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1.
Polymers (Basel) ; 15(17)2023 Aug 31.
Artículo en Inglés | MEDLINE | ID: mdl-37688239

RESUMEN

Steady growth in beer production is increasing the number of by-products named brewers' spent grain. Such by-products are a source of several components, where cellulose is usually present in high amounts. The aim of this study was to develop a protocol to obtain a mix of cellulose microfibers with an average diameter of 8-12 µm and cellulose nanoplatelets with an average thickness of 100 nm, which has several applications in the food industry. The process comprised one alkaline treatment followed by acid hydrolysis, giving a new mix of micro and nanocellulose. This mix was characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, and laser scanning microscopy corroborating the presence and measurements of the cellulose nanostructure, showing an aspect ratio of up to 500. Finally, we demonstrated that the administration of this new type of nanocellulose allowed us to control the weight of mice (feed intake), showing a significant percentage of weight reduction (4.96%) after 15 days compared with their initial weight, indicating the possibility of using this material as a dietary fiber.

2.
Public Health ; 221: 66-72, 2023 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-37421755

RESUMEN

OBJECTIVE: To describe trends in the prevalence of diabetes mellitus (DM) in Brazil and to analyze its association with the consumption of artificially sweetened beverages among individuals aged 18 years or older. STUDY DESIGN: This was a repeated cross-sectional study. METHODS: Annual data from VIGITEL surveys (2006-2020) were used, which included adults from all Brazilian state capitals. The outcome was the prevalence of DM (type 1 and type 2). The main exposure variable was consuming beverages like soft drinks and artificial juices, either in its 'diet, light, or zero' form. Covariates included sex, age, sociodemographic characteristics, smoking, alcohol consumption, physical activity, fruit consumption, and obesity. The temporal trend in the indicators and the etiological fraction (population attributable risk [PAR]) were calculated. Analyses were performed using Poisson regression. The association between DM and consumption of beverages was tested, excluding the year 2020 due to the pandemic; restricting the analysis to the final three years (2018-2020). RESULTS: Overall, 757,386 subjects were included. The prevalence of DM increased from 5.5% to 8.2%, with an annual growth of 0.17 percentage points (95% CI 0.11-0.24). Among those who consumed diet/light/zero beverages, the annual percentage change of DM was four times greater. The PAR corresponding to the consumption of diet/light/zero beverages on the occurrence of DM was 17%. CONCLUSIONS: An increasing prevalence of DM was observed, while diet/light/zero beverages consumption remains stable. A substantial reduction in the annual percentage change of DM could be observed if people stopped consuming diet/light soda/juice.


Asunto(s)
Diabetes Mellitus , Edulcorantes , Adulto , Humanos , Brasil/epidemiología , Bebidas Endulzadas Artificialmente , Estudios Transversales , Bebidas/efectos adversos , Diabetes Mellitus/epidemiología , Diabetes Mellitus/etiología
3.
BMC Health Serv Res ; 23(1): 407, 2023 Apr 26.
Artículo en Inglés | MEDLINE | ID: mdl-37101179

RESUMEN

BACKGROUND: Currently, many public health issues are directly related to malnutrition, and are made worse by social inequities. Nutrition professionals must be a key player in improving epidemiological aspects of nutrition-related diseases and must be part of clinical teams to control nutritional concerns. OBJECTIVE: To identify and analyze the nutritionists´ employment situation in Ecuador and areas of work covered and determine if type of university has an impact over work situation. METHODOLOGY: A cross-sectional study was conducted, approved by the ethics committee of Universidad San Francisco de Quito. It included 442 nutritionists in Ecuador who graduated in 13 universities (5 private (PR) and 8 public (PU)) between 2008 and 2019. It implied an online survey that questioned their satisfaction with their education and current work situation. All the statistical analyses were performed using R version 4.0.3, two-sided weighted chi-square test was performed to estimate the difference between public and private university graduates, IC 95%, p between 0.01 and 0.05. RESULTS: 38,6% of participants are unemployed, 68,28% private university graduates (PR) are currently employed and 58.87% work as nutritionists, compared to 56,86% from a public university (PU) currently working and 44.69% working in the field. 76% have reported being unemployed at some point in their careers, being difficulty finding jobs the main reason. Regarding the professional field, most professionals have their own business, and the less common area of work was public and community nutrition. One third of the participants had another paid activity. The main salary is 800USD per month and graduated from PR perceived better salaries than from PU. CONCLUSION: There is a lack of job opportunities for Ecuadorian nutritionists despite the high demand in every level of the health system. Most have been unemployed at some point in their careers due to difficulties finding jobs. There is a minimum nutrition staff working in community and public health nutrition.


Asunto(s)
Nutricionistas , Humanos , Ecuador/epidemiología , Estudios Transversales , Estado Nutricional , Programas de Gobierno
4.
Rev. chil. nutr ; 49(3)jun. 2022.
Artículo en Español | LILACS-Express | LILACS | ID: biblio-1388619

RESUMEN

RESUMEN La educación alimentaria nutricional es la combinación de estrategias educativas, acompañadas de apoyos ambientales, diseñadas para facilitar la adopción voluntaria de elecciones alimentarias que conducen a un estado óptimo de salud y bienestar. La educación alimentaria nutricional tiene tres componentes: 1) motivación, 2) acción y 3) ambiente. Para elegir la técnica de educación adecuada para cada persona, se deben considerar las características psicoemocionales individuales, especialmente las motivaciones para el cambio y el tipo de personalidad, ya que ambos han mostrado ser buenos predictores de la conducta alimentaria. Dentro de los recursos educativos posibles de utilizar para realizar la educación en alimentación nutricional se encuentran indicaciones verbales, material escrito, uso de internet, dispositivos portátiles, aplicaciones de teléfonos inteligentes, e incluso la clase de cocina. La evidencia demuestra que la educación alimentaria nutricional impacta favorablemente la adherencia a las intervenciones nutricionales, lo cual a la vez se ve reflejado en efectos positivos en la salud.


ABSTRACT Food and nutrition education is the combination of educational strategies, accompanied by environmental supports designed to facilitate voluntary adoption of food choices conducive of health and well-being. It has a motivational phase, an action phase, and an environmental component. To choose the right educational technique for each patient, their individual psychoemotional characteristics must be considered; especially what their motivations for change are, as well as their personality type, because both are good predictors of food behavior. Among the resources that can be used to perform nutrition education are verbal indications, written material, the internet, mobile devices, smartphone applications, and even the kitchen as a place for education. Evidence shows that nutrition education has a favorable impact on diet adherence in different conditions that have an important nutritional component, such as celiac disease, inflammatory bowel disease, diabetes and obesity, which at the same time produces positive health outcomes.

5.
BMC Vet Res ; 17(1): 344, 2021 Nov 03.
Artículo en Inglés | MEDLINE | ID: mdl-34732186

RESUMEN

BACKGROUND: The ewe lamb nutritional and physiological state interfere with the ovarian environment and fertility. The lack or excess of circulating nutrients reaching the ovary can change its gene expression. A protein deficiency in the blood caused by an Haemonchus contortus abomasal infection is detrimental to the organism's development during puberty. The peripubertal period is a time of intensive growth that requires a high level of nutrients. An essential feature controlling pubertal arousal and female reproductive potential is ovarian follicle growth activation. Protein supplementation improves the sheep's immune response to helminthic infections. We aimed to determine if supplementing protein in infected ewe lambs' diet would impact the ovarian environment leading to earlier ovarian follicle activation than in infected not supplemented animals. METHODS: We fed 18 Santa Ines ewe lambs (Ovis aries) - bred by the same ram - with either 12% protein (Control groups) or 19% protein (Supplemented groups) in their diets. After 35 days of the diet, they were each artificially infected or not with 10,000 Haemonchus contortus L3 larvae. Following 77 days of the diet and 42 days of infection, we surgically collected their left ovaries and examined their genes expression through RNA sequencing. RESULTS: We found that protein supplementation in infected animals led to an up-regulation of genes (FDR p-values < 0.05) and biological processes (p-value cut-off = 0.01) linked to meiotic activation in pre-ovulatory follicles and primordial follicle activation, among others. The supplemented not infected animals also up-regulated genes and processes linked to meiosis and others, such as circadian behaviour. The not supplemented animals had these same processes down-regulated while up-regulated processes related to tissue morphogenesis, inflammation and immune response. CONCLUSION: Diet's protein supplementation of peripubertal infected animals allowed them to express genes related to a more mature ovarian follicle stage than their half-sisters that were not supplemented. These results could be modelling potential effects of the interaction between environmental factors, nutrition and infection on reproductive health. When ovarian activation is achieved in a timely fashion, the ewe may generate more lambs during its reproductive life, increasing sheep breeders' productivity.


Asunto(s)
Dieta/veterinaria , Hemoncosis/veterinaria , Ovario/crecimiento & desarrollo , Enfermedades de las Ovejas/parasitología , Animales , Proteínas en la Dieta , Femenino , Expresión Génica , Haemonchus , Ovario/metabolismo , Ovinos , Oveja Doméstica
6.
Rev. cuba. salud pública ; Rev. cuba. salud pública;46(3): e2039, jul.-set. 2020. tab, graf
Artículo en Español | CUMED, LILACS | ID: biblio-1144553

RESUMEN

Introducción: Los hábitos alimentarios no saludables potencian las enfermedades crónicas que constituyen las primeras causas de muerte en Cuba. Objetivos: Evaluar los efectos de una intervención nutricional sobre los cambios en los conocimientos de alimentación-nutrición y hábitos alimentarios en adolescentes. Métodos: Se realizó una intervención nutricional participativa con adolescentes de 12-15 años del municipio Habana Vieja, durante sus tres años curriculares. De los 604 adolescentes que comenzaron el estudio 155 formaron los grupos promotores que lideraron las actividades realizadas. Se aplicaron encuestas de conocimientos, consumo y hábitos alimentarios antes y después de la intervención. Para comparar la puntuación alcanzada se utilizó la prueba t de Student para muestras pareadas. Para la comparación entre escuelas se utilizó análisis de la varianza simple y para comparar los porcentajes de respuestas correctas de las preguntas de conocimientos, consumo de hortalizas y azúcar antes y después de la prueba de estimación de diferencias entre proporciones. Se definió como umbral de significación estadística p < 0,05. Resultados: Los grupos promotores mostraron aumentos significativos de los conocimientos (p < 0,001). Se encontraron diferencias entre escuelas para los grupos promotores (p < 0,001) y para el resto de los estudiantes (p = 0,024). Decreció el azúcar añadido a los refrescos para los grupos promotores (p < 0,001) y a la leche para todos los adolescentes (p = 0,002). No hubo cambios en el hábito de desayunar, en el gusto por alimentos fritos, ni en el consumo de refrescos, frituras, dulces y pizzas. Conclusiones: Las intervenciones de educación nutricional son necesarias para alcanzar patrones dietéticos más saludables y de esta manera contribuir a detener la epidemia de enfermedades no transmisibles, además permiten que los adolescentes tengan un acercamiento al tema alimentación-nutrición(AU)


Introduction: Non-healthy food habits boost chronic diseases that represent the main death causes in Cuba. Objectives: To assess the effects of a nutritional intervention on the changes in the knowledge of diet-nutrition and food habits of adolescents. Methods: It was carried out a participative nutritional intervention with adolescents from 12 to 15 years from Habana Vieja municipality during their 3 middle school years. From 604 adolescents that started the study, 155 formed the promoter groups which leadered the activities implemented. There were applied knowledge surveys on food consumption and habits before and after the intervention. For comparing the scores, it was used t-Student test for paired samples. It was used the analysis of simple variance for comparing among schools and the percentages of right answers in the knowledge questions, intake of vegetables and sugar before and after of the test for the estimation of differences among proportions. It was defined p<0,05 as the threshold of statistical signification. Results: The promoter groups showed significative increase of knowledge (p<0,001). There were found differences among schools for promoter groups (p<0,001) and for the rest of the students (p<0,024). In the promoter groups decreased the intake of sugar added to soft drinks (p<0,001) and to milk for all the adolescents studied (p<0,002). There were no changes in breakfast habits, liking fried food, or the consumption of soft drinks, fritters, sweets and pizzas. Conclusions: Nutritional education interventions are needed to reach healthier diet patterns and in this way contributing to stop the epidemic of non-communicable diseases; in addition, they allow adolescents to have an approach to food-nutrition topic(AU)


Asunto(s)
Humanos , Masculino , Adolescente , Educación Alimentaria y Nutricional , Encuestas Nutricionales/métodos , Conducta Alimentaria , Cuba
7.
Lifestyle Genom ; 11(3-6): 136-146, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-31067544

RESUMEN

BACKGROUND/AIMS: The completion of sequencing of the human genome and a better understanding of epigenomic regulation of gene expression have opened the possibility of personalized nutrition in the near future. This has also created an immediate need for trained personnel qualified to administer personalized nutrition education. Of all the allied healthcare personnel, dietitians are the most likely to undertake this role. However, dietitians and dietetic students are still deficient in their knowledge of nutrigenomics and other "omics" technologies. Therefore, with the eventual goal of dietetic curriculum reorganization, the International Society of Nutrigenetics/Nutrigenomics (ISNN) has set out to evaluate nutrigenomic knowledge among dietetic students from different countries. In this study, we compared nutrition and dietetic students from Texas Woman's University (TWU) and the Universidad Autónoma de Nuevo León (UANL) for their perceived need for, interest in, and knowledge of different topics within nutritional genomics. METHODS: Students from both universities were sent an e-mail link to the survey which was located at psychdata.com. One hundred twenty-seven students completed the survey. The survey assessed the students' knowledge of, perceived need for, and interest in different omics technologies, as well as their basic knowledge of basic nutrition and genetic topics. Differences were assessed using the χ2 test for homogeneity and Fisher's exact test. RESULTS: Students from TWU and UANL exhibited differences in their knowledge, desire to learn more, and perceived need for omics science in some but not all categories. CONCLUSIONS: Undergraduate nutrition students from both the USA and Mexico lack a high level of knowledge in different omics topics but recognize the role that omics will play in their future as dietitians. There were differences between the 2 universities in terms of the desire to learn more about different omics technologies and to take more classes covering different topics with nutritional genomic components. In order to make personalized nutrition a reality, future dietitians will need to become fluent in different omics technologies.

8.
Nutrients ; 9(10)2017 Sep 21.
Artículo en Inglés | MEDLINE | ID: mdl-28934137

RESUMEN

Although allergic inflammation is characterized by a T helper (Th) 2-dominant immune response, the discovery of a role for new T cell subsets in inflammatory diseases has added an additional layer of complexity to the understanding of the pathogeneses of allergic diseases. We evaluated plasma cytokine profiles in infants with cows' milk allergy (CMA), who were being treated with an elimination diet. In a prospective, randomized and controlled study, infants (aged 8.4 ± 3.9 months) with CMA were treated with an elimination diet for 120 days, which replaced cows' milk with a hydrolysed soy protein formula (n = 26) or a free amino acid formula (n = 20). Blood samples were collected before treatment during active disease (T0) and after 120 days, when symptoms were absent (T1). Plasma cytokine concentrations were measured. Infants with CMA had higher plasma concentrations of interleukin (IL)-4 and IL-13 and lower concentrations of IL-9, IL-17A and interferon-γ, compared with healthy breast-fed infants. At T0, there was a positive correlation between blood eosinophil numbers and plasma concentrations of IL-4, IL-9, IL-17A and IL-22. Treatment with a cows' milk elimination diet resulted in a decrease in plasma IL-4, IL-9, IL-13 and IL-22 and an increase in plasma IL-17A. We conclude that IL-4 and IL-13 are elevated in active CMA. The association of IL-9 and IL-22 with eosinophilia, and the decrease in these two cytokines with cows' milk elimination, suggests that they both play a role in the symptoms observed in CMA and may be important targets for future interventions.


Asunto(s)
Fórmulas Infantiles , Interleucina-9/sangre , Interleucinas/sangre , Hipersensibilidad a la Leche/dietoterapia , Hidrolisados de Proteína/administración & dosificación , Proteínas de Soja/administración & dosificación , Brasil , Eosinofilia/sangre , Eosinofilia/dietoterapia , Eosinofilia/inmunología , Femenino , Humanos , Lactante , Fórmulas Infantiles/efectos adversos , Interleucina-13/sangre , Interleucina-4/sangre , Masculino , Hipersensibilidad a la Leche/sangre , Hipersensibilidad a la Leche/diagnóstico , Hipersensibilidad a la Leche/inmunología , Estudios Prospectivos , Hidrolisados de Proteína/efectos adversos , Proteínas de Soja/efectos adversos , Factores de Tiempo , Resultado del Tratamiento , Interleucina-22
9.
Arch. endocrinol. metab. (Online) ; 61(5): 484-489, Sept.-Oct. 2017. tab
Artículo en Inglés | LILACS | ID: biblio-887597

RESUMEN

Objective Butyrylcholinesterase (BChE) activity has been associated with obesity, lipid concentrations, and CHE2 locus phenotypes. This, the aim of this study was to evaluate the effects of an energetic restriction diet intervention on anthropometrical and biochemical variables and on absolute and relative BChE activity in CHE2 C5+ and CHE2 C5- individuals. Subjects and methods One hundred eleven premenopausal obese women from Southern Brazil participated in an energetic restriction diet intervention (deficit of 2500 kJ/day) for 8 weeks. Their anthropometric and biochemical parameters were evaluated before and after the intervention. Plasma BChE activity was measured, and BChE bands in plasma and CHE2 locus phenotypes were detected by electrophoresis. Results The dietetic intervention decreased anthropometric and biochemical parameters as well as absolute BChE activity and relative activity of the G4 band. The CHE2 C5+ phenotype presented a different effect when compared with the CHE2 C5- phenotype. The CHE2 C5+ phenotype showed an effect in absolute BChE activity and in the relative activity of the G4 form, maintaining higher BChE activity regardless of the metabolic changes. Conclusion In our study, 8 weeks was not sufficient time to lower the body mass index to normal, but it was enough to significantly reduce the absolute BChE activity, which became similar to the levels in nonobese individuals. CHE2 C5+ individuals were resistant to the decrease in BChE activity compared to CHE2 C5- individuals. This shows that the diet did not affect the CHE2 and G4 fraction complex and that the products of the CHE2 locus in association with BChE have a role in energy metabolism, maintaining high levels of enzymatic activity even after dietary intervention.


Asunto(s)
Humanos , Femenino , Adulto , Persona de Mediana Edad , Butirilcolinesterasa/metabolismo , Restricción Calórica , Obesidad/dietoterapia , Obesidad/enzimología , Fenotipo , Brasil , Análisis de Regresión , Estudios Longitudinales , Metabolismo Energético
10.
Rev. habanera cienc. méd ; 15(5): 0-0, set.-oct. 2016. tab
Artículo en Español | CUMED | ID: cum-68810

RESUMEN

Introducción: En la antigüedad, los sordos eran considerados seres defectuosos que debían sacrificarse por el bien de la humanidad; si vivían se consideraban idiotas por no poseer lenguaje articulado. Actualmente se estudia la temática del sordo desde las distintas áreas de la salud y educación. Objetivo: Identificar el comportamiento de los hábitos bucales en los pacientes sordos e hipoacúsicos.Material y Método: Se realizó un estudio descriptivo de corte transversal, con una población de 20 personas sordas o hipoacúsicas, en edades comprendidas entre 15 y 60 o más años de edad, de ambos sexos, pertenecientes a la Asociación Nacional de Sordos de Cuba del Municipio Playa en La Habana, en el período 2011-2014. Se realizó encuesta, examen bucal y búsqueda de información sobre el tema. Los datos obtenidos se procesaron, se confeccionaron tablas para facilitar la interpretación de los mismos y los resultados se dieron en porcientos. Resultados: El sexo femenino fue el de mayor predominio con 45.0 por ciento entre los 20-59 años de edad. La ingestión de alimentos azucarados sólidos entre las comidas, la práctica de la onicofagia y el consumo de café representaron 35.0 por ciento en igual grupo de edades. El 45.0 por ciento de los pacientes estudiados realizan el cepillado dental de forma mixta, dos veces al día y con poco uso del hilo dental. Conclusiones: Más de la mitad de la población estudiada ingiere alimentos azucarados sólidos entre las comidas, consumen café, practican la onicofagia y realizan el cepillado dental de forma incorrecta(AU)


Introduction:In the ancient times the deaf were consider beings with defects that should be sacrificed for the humanity's welfare; if they lived they were considered idiots by not possessing articulate language. Nowadays deaf people issues are studied from the different areas of health and education.Objective: To identify the behavior of the buccal habits in deaf and hypoacusis patients. Material and Method: It was carried out a descriptive study of traverse court, with a population of 20 people deaf and hypoacusis, with ages between 15 and 60 or more years old, of both sexes, belonging to the Cuban Deaf National Association of the Beach Municipality in Havana, in the period 2011-2014. It was carried out survey, buccal exams and search of information on the topic. The obtained data were processed, Tables were made to facilitate the interpretation of them and the results were given by percent. Results: The feminine sex was the one of more prevalence with a 45.0 percent between 20-59 years old. The ingestion of solid sugary foods among the foods, the onychophag practice and the consumption of coffee represented a 35.0 percent in same group of ages. 45.0 percent of studied patients carry out the dental brushing in a mixed way, twice a day and with little use of the dental thread. Conclusions: More than a half of the studied population it ingests solids sugary foods among the foods, they consume coffee, they practice the onychophagia and carry out the dental brushing in an incorrect way(AU)


Asunto(s)
Humanos , Pérdida Auditiva , Conducta Alimentaria , Cepillado Dental/métodos , Higiene Bucal/educación , Educación en Salud Dental/métodos , Personas con Deficiencia Auditiva , Sordera , Epidemiología Descriptiva , Estudios Transversales
12.
Nutrire Rev. Soc. Bras. Aliment. Nutr ; 40(2): 153-161, 2015. tab
Artículo en Portugués | LILACS | ID: biblio-881940

RESUMEN

OBJECTIVE: This study aimed to evaluate the effects of using different types of isolated sweeteners in nutritional and biochemical parameters of rats. METHODS: We used 36 adult male rats, maintained on diet for 42 days and divided into six groups: Group C - Control, Group AS - Aspartame; Group ES - Stevia; Group SU - Sucralose; Group CI - Cyclamate; group SA - Saccharin. The animals were fed a standard AIN 93M with replacement of sucrose by its sweetener and water ad libitum. The animals were kept in metabolic cages in a controlled environment and were recorded body weight, food and water consumption, urinary and fecal excretion. At the end of the study the animals were anaesthetized intraperitoneally with a combination of ketamine, hydrochloride xylazine and acepromazine and euthanized by cardiac puncture. Theserum was used to determine glucose, lipid, liver and kidney profiles. RESULTS: Animals receiving sweeteners had lower food intake compared to Group C, highlighting the SA Group. The results indicated that the sweeteners used in this study and the maximum proportion suggested by ANVISA, particularly saccharin, stevia, sucralose and cyclamate, decreased the animals food intake. Sweeteners did not influence the other study variables. CONCLUSIONS: The sweeteners reduced food intake, but no change was noticed in the animal's final weight gain and other variables. We suggest additional long term research


OBJETIVO: Avaliar os efeitos do uso de diferentes tipos de adoçantes isolados nos parâmetros nutricionais e bioquímicos de ratos. MÉTODOS: Foram utilizados 36 ratos machos, Wistar, adultos, mantidos sob dieta durante 42 dias e distribuídos em seis Grupos: Grupo C ­ Controle; Grupo AS ­ Aspartame; Grupo ES ­ Estévia; Grupo SU ­ Sucralose; Grupo CI ­ Ciclamato; Grupo SA ­ Sacarina. Os animais receberam dieta padrão AIN 93M com substituição da sacarose pelo respectivo adoçante e amido, com água ad libitum. Os animais foram mantidos em ambiente controlado e foram registrados peso corporal, consumo alimentar e hídrico, excreção urinária e fecal. Os animais foram anestesiados via intraperitoneal, com Cloridrato de Cetamina, Cloridrato de Xilazina e Acepromazina. A eutanásia foi realizada por punção cardíaca. O soro foi utilizado para determinar perfil glicídico, lipídico, hepático e renal. RESULTADOS: Os animais que receberam adoçante apresentara menor consumo alimentar em relação ao Grupo C, destacando-se o Grupo SA. Os resultados indicaram que os adoçantes utilizados no presente estudo e na proporção máxima sugerida pela ANVISA, principalmente sacarina, estévia, sucralose e ciclamato, diminuíram o consumo alimentar dos animais. Os adoçantes não influenciaram as demais variáveis do estudo. CONCLUSÕES: Os adoçantes reduziram o consumo alimentar, porém sem alteração no ganho de peso final dos animais e nas demais variáveis estudadas. Sugere-se a realização de pesquisas adicionais em longo prazo


Asunto(s)
Animales , Ratas , Biomarcadores/análisis , Edulcorantes/administración & dosificación , Edulcorantes/análisis , Edulcorantes/toxicidad
13.
Arch. latinoam. nutr ; Arch. latinoam. nutr;63(2): 134-141, June 2013. ilus, tab
Artículo en Español | LILACS | ID: lil-740233

RESUMEN

El objetivo de la presente investigación fue formular una barra de cereales y leguminosa (Phaseolus vulgaris) y evaluar su impacto sobre la respuesta glicémica de individuos sanos, a fin de contribuir con la oferta de alimentos beneficiosos para la salud del consumidor. Para esto se formuló una barra con una mezcla de cereales (maíz y avena) y dos porcentajes (20% y 30%) de Phaseolus vulgaris. Adicionalmente, se preparó una barra de cereales sin leguminosa (barra control). Mediante evaluación sensorial, se seleccionó la barra con 30% de Phaseolus vulgaris, por ser evaluada con mejor sabor y textura, además esa combinación de cereales y leguminosas favorece la complementación aminoacídica y los criterios de formulación previamente establecidos. La caracterización química indicó un contenido de proteínas mayor en la barra con 30% de Phaseolus vulgaris (13,55%), en relación a la barra control (8,5%). Los contenidos de grasa, cenizas y fibra dietética no presentaron diferencias (p>0,05) entre ambas barras evaluadas. Sin embargo, el contenido de fibra soluble y de almidón resistente de la barra seleccionada resultó un 32,05% y 18,67% mayor, respectivamente, que en la barra control, con lo cual se podría contribuir con la disminución de la velocidad de absorción de la glucosa. La barra seleccionada presentó un índice glicémico bajo (49) y carga glicémica intermedia (12,0) en voluntarios sanos, lo que podría traducirse en una posible reducción de la tasa de absorción de glucosa al torrente sanguíneo, asociada a un contenido de carbohidratos de absorción lenta. La barra formulada representa una propuesta de merienda saludable para el consumidor.


The objective of this work was to formulate a cereals and legume (Phaseolus vulgaris) bar and assess its impact on the glycemic response of healthy individuals, in order to contribute to the healthy food supply beneficial to consumers. A mixture of cereals (corn and oats) and different percentages (20 and 30%) of Phaseolus vulgaris was used to formulate the bar. Additionally, a legume cereal bar without legumes (bar control) was prepared. The bar with 30% of Phaseolus vulgaris was selected through sensory evaluation, being scored with better flavor and texture. This combination of cereals and legumes aminoacid improves complementation and reaches the formulation criteria previously established. Chemical characterization indicated a higher protein content in the bar with 30% of Phaseolus vulgaris (13,55%) relative to the bar control (8,5%). The contents of fat, ash and dietary fiber did not differ between the two bars evaluated. However, the soluble fiber and resistant starch of the selected bar was a 32,05% and 18,67%, respectively, than in the control bar; this may contribute to decreasing the rate of glucose uptake. The selected bar presented a low glycemic index (49) and intermediate glycemic load (12,0) in healthy volunteers, which could lead to a possible reduction in the rate of absorption of glucose into the bloodstream, associated with a carbohydrate content of slow absorption. This bar represents a proposal of a healthy snack for the consumer.


Asunto(s)
Adulto , Femenino , Humanos , Masculino , Avena/metabolismo , Glucemia/metabolismo , Índice Glucémico , Phaseolus/metabolismo , Zea mays/metabolismo , Avena/química , Digestión/fisiología , Manipulación de Alimentos , Valor Nutritivo , Phaseolus/química , Factores de Tiempo , Zea mays/química
14.
Hig. aliment ; 26(206/207): 141-144, mar.-abr. 2012. tab
Artículo en Portugués | VETINDEX | ID: vti-12714

RESUMEN

As carnes e seus derivados são alimentos importantes por serem fontes de proteína de boa qualidade, ferro, zinco, selênio e vitaminas do complexo B, Entretanto, o consumo de derivados cárneos tem sido evitado em razão dos elevados teores de gordura e sódio, substâncias cujo consumo tem sido associado à incidência de doenças cardiovasculares. Este trabalho teve por objetivo estudar a elaboração da lingüiça suína usando goma xantana e sal light (kCl) em substituição à gordura e ao sal comum e, avaliar o impacto destas modificações nas características químicas do produto. A utilização da goma xantana resultou na diminuição do teor da gordura em 27,27%, do valor energético em 19,54% e aumento na porcentagem de umidade, proporcionando assim um maior rendimento industrial. Com o uso do sal light, houve redução de 71,77% do teor de sódio e aumento do 124,73% do teor de potássio.(AU)


The meat and its derivativesare important foods because theyare sources of good quality protein, iron, zinc, selenium and Bvitamins, especially. However,the consumption of meat productshas been avoided because of highlevels of fat and sodium, substanceswhose consumption hasbeen associated with incidence ofcardiovascular disease. This studyaimed ta prepare pork sausageusing xantana gum and light salt(KCl) to replace the fat and salt,respectively, and assess the impactof changes in the chemicalcharacteristics of the product. Theuse of xantana gum resulted in adecrease in fat content of 27.27%of the energy value of 19.54%and an increase in the percentageof moisture, thus giving more industrial yield. With the use ofsalt light, there was a reduction of71.77% of sodium and increased124.73% of potassium. (AU)


Asunto(s)
Humanos , Animales , Productos de la Carne , Tecnología de Alimentos , Composición de Alimentos , Grasas de la Dieta/administración & dosificación , Cloruro de Sodio Dietético/administración & dosificación , Valor Nutritivo , Porcinos
15.
Braz. j. vet. res. anim. sci ; 48(3): 200-206, 2011. ilus, graf
Artículo en Inglés | VETINDEX | ID: vti-5698

RESUMEN

This study was carried out to evaluate leukocyte infiltration and anti-myeloperoxidase immunoreactivity in granulocytesof the mucosa and submucosa of the large intestine of horses submitted to dietetic starch overload. Eight adult horseswere allocated randomly in three treatments: Treatment I (Control) (n = 2), animals euthanized without starch overload;and Treatments II (n = 3) and III (n = 3), animals undergoing starch overload, with gastric infusion of 17.6 g starch perkg of body weight, euthanized after 24 and 36 hours, respectively. Only afflux of neutrophils in the intestinal mucosa andsubmucosa blood vessels (leukocyte stasis) was observed. Eosinophils were the predominant cells in the mucosa andsubmucosa in all horses, independent of dietetic overload, with infiltration grade from mild to moderate. Lymphocyteinfiltration was also observed in all horses, but with lower intensity when compared to eosinophils. Congestion, edemaand dilatation of lymphatic vessels were the main circulatory alterations observed, with more intensity in the submucosa.Higher immunoreactivity to the anti-myeloperoxidase antibodies was observed in the mucosa and submucosa of horses36 hours after overload. Horses submitted to dietetic starch overload showed intestinal inflammatory response withprevalence of eosinophils, leukocyte stasis and circulatory alterations, varying from discreet to moderate.(AU)


Este estudo teve como objetivo avaliar a infiltração de leucócitos e a imunorreatividade antimieloperoxidase emgranulócitos da mucosa e submucosa do intestino grosso de equinos submetidos à sobrecarga dietética com amido.Oito equinos adultos foram distribuídos aleatoriamente em três tratamentos: Tratamento I (Controle) (n = 2), equinoseutanasiados sem sobrecarga com amido; Tratamento II (n = 3) e III (n = 3), equinos submetidos à sobrecarga comamido, com infusão gástrica de 17,6 g de amido/kg de peso vivo e eutanasiados após 24 e 36 horas, respectivamente.Observou-se apenas afluxo de neutrófilos (leucocitoestase) nos vasos sanguíneos da mucosa e submucosa intestinal.Eosinófilos foram as células predominantes na mucosa e submucosa em todos os equinos, independente da sobrecargadietética, com grau de infiltração de leve a moderada. Infiltração por linfócitos também foi observado em todos osequinos, porém com menor intensidade quando comparado aos eosinófilos. Congestão, edema e dilatação de vasoslinfáticos foram as principais alterações circulatórias observadas, com maior intensidade na submucosa. Maiorimunorreatividade para anticorpos antimieloperoxidase foi observado na mucosa e submucosa dos equinos 36 horasapós a sobrecarga. Equinos submetidos à sobrecarga dietética com amido apresentam resposta inflamatória intestinalcom predominância de eosinófilos, leucocitoestase e alterações circulatórias variando de discreta a moderada.(AU)


Asunto(s)
Animales , Carbohidratos de la Dieta/administración & dosificación , Alimentación Animal/análisis , Mucosa Intestinal , Inflamación , Leucocitos/patología , Caballos , Inmunohistoquímica
16.
Braz. j. vet. res. anim. sci ; 48(3): 200-206, jun. 2011. ilus, graf
Artículo en Inglés | LILACS | ID: lil-642209

RESUMEN

This study was carried out to evaluate leukocyte infiltration and anti-myeloperoxidase immunoreactivity in granulocytesof the mucosa and submucosa of the large intestine of horses submitted to dietetic starch overload. Eight adult horseswere allocated randomly in three treatments: Treatment I (Control) (n = 2), animals euthanized without starch overload;and Treatments II (n = 3) and III (n = 3), animals undergoing starch overload, with gastric infusion of 17.6 g starch perkg of body weight, euthanized after 24 and 36 hours, respectively. Only afflux of neutrophils in the intestinal mucosa andsubmucosa blood vessels (leukocyte stasis) was observed. Eosinophils were the predominant cells in the mucosa andsubmucosa in all horses, independent of dietetic overload, with infiltration grade from mild to moderate. Lymphocyteinfiltration was also observed in all horses, but with lower intensity when compared to eosinophils. Congestion, edemaand dilatation of lymphatic vessels were the main circulatory alterations observed, with more intensity in the submucosa.Higher immunoreactivity to the anti-myeloperoxidase antibodies was observed in the mucosa and submucosa of horses36 hours after overload. Horses submitted to dietetic starch overload showed intestinal inflammatory response withprevalence of eosinophils, leukocyte stasis and circulatory alterations, varying from discreet to moderate


Este estudo teve como objetivo avaliar a infiltração de leucócitos e a imunorreatividade antimieloperoxidase emgranulócitos da mucosa e submucosa do intestino grosso de equinos submetidos à sobrecarga dietética com amido.Oito equinos adultos foram distribuídos aleatoriamente em três tratamentos: Tratamento I (Controle) (n = 2), equinoseutanasiados sem sobrecarga com amido; Tratamento II (n = 3) e III (n = 3), equinos submetidos à sobrecarga comamido, com infusão gástrica de 17,6 g de amido/kg de peso vivo e eutanasiados após 24 e 36 horas, respectivamente.Observou-se apenas afluxo de neutrófilos (leucocitoestase) nos vasos sanguíneos da mucosa e submucosa intestinal.Eosinófilos foram as células predominantes na mucosa e submucosa em todos os equinos, independente da sobrecargadietética, com grau de infiltração de leve a moderada. Infiltração por linfócitos também foi observado em todos osequinos, porém com menor intensidade quando comparado aos eosinófilos. Congestão, edema e dilatação de vasoslinfáticos foram as principais alterações circulatórias observadas, com maior intensidade na submucosa. Maiorimunorreatividade para anticorpos antimieloperoxidase foi observado na mucosa e submucosa dos equinos 36 horasapós a sobrecarga. Equinos submetidos à sobrecarga dietética com amido apresentam resposta inflamatória intestinalcom predominância de eosinófilos, leucocitoestase e alterações circulatórias variando de discreta a moderada


Asunto(s)
Animales , Carbohidratos de la Dieta/administración & dosificación , Inflamación , Mucosa Intestinal , Leucocitos/patología , Alimentación Animal/análisis , Caballos , Inmunohistoquímica
17.
Cad. saúde pública ; Cad. Saúde Pública (Online);27(5): 924-934, maio 2011. graf, tab
Artículo en Portugués | LILACS | ID: lil-588978

RESUMEN

Estudo de base populacional avaliou o uso de adoçantes dietéticos na população com idade ≥ 20 anos, residente na zona urbana do Município de Pelotas, Rio Grande do Sul, Brasil. A coleta de dados ocorreu entre janeiro e julho de 2010, e 2.732 indivíduos foram entrevistados. Além das questões específicas quanto ao uso de adoçante dietético, foram coletadas informações sobre características demográficas, socioeconômicas e de saúde. Para as análises estatísticas, foram utilizados testes qui-quadrado de heterogeneidade e de tendência linear. A prevalência de uso de adoçante dietético foi 19 por cento (IC95 por cento: 17,1; 20,9), sendo 3,7 vezes maior entre idosos do que entre aqueles com 20-29 anos de idade. Nível econômico e estado nutricional apresentaram associação direta e significativa com o desfecho. Quase 98 por cento da amostra utilizou adoçantes na forma líquida, sendo os mais consumidos (89,2 por cento) aqueles constituídos por sacarina e ciclamato de sódio. A mediana de ingestão diária foi 10 gotas (P25; P75 = 6; 18), entre usuários de adoçante líquido, ou 1,5 sachet (P25; P75 = 1; 4), para adoçante em pó. O uso de adoçante dietético foi maior entre mulheres e idosos.


This population-based study evaluated the use of diet sweeteners by adults (> 20 years) in Pelotas, Rio Grande do Sul State, Brazil. Data were collected from January to July 2010 (n = 2,732). Besides specific questions on diet sweeteners, demographic, socioeconomic, and health characteristics were recorded. Heterogeneity and linear trend chi-square tests were used for the statistical analysis. Prevalence of sweetener use was 19 percent (95 percentCI: 1.1-20.9), and was 3.7 times higher in elderly individuals as compared to 20-29-year-olds. Economic level and nutritional status were significantly associated with sweetener use. Nearly 98 percent of the sample used liquid sweeteners; the most frequently consumed (89.2 percent) were those containing saccharin or sodium cyclamate. Average intake was 10 drops of liquid sweetener or 1.5 sachets of powdered sweetener. Use of diet sweeteners was higher among women and the elderly.


Asunto(s)
Adulto , Anciano , Anciano de 80 o más Años , Femenino , Humanos , Masculino , Persona de Mediana Edad , Edulcorantes , Brasil , Estudios Transversales , Escolaridad , Prevalencia , Factores Socioeconómicos , Población Urbana
18.
Rev. Inst. Nac. Hig ; 41(2): 37-45, dic. 2010. tab
Artículo en Español | LILACS, LIVECS | ID: lil-631781

RESUMEN

El objetivo es demostrar la importancia que tiene la aplicación de la Fórmula Dietética Institucional (FDI), mediante resultados obtenidos a partir de una muestra, los cuales son confiables y permiten inferir la FDI para la población de trabajadores y trabajadoras, beneficiarios de la Ley de Alimentación para los Trabajadores, aprobada según Gaceta Oficial N° 38.094 de la República Bolivariana de Venezuela, de fe-cha 27 de diciembre de 2004; y su Reglamento, aprobado según Gaceta Oficial Nº 38.426 de fecha 28-04-06, Decreto Nº 4.448 del 25-04-06, la cual obliga a las empresas a suministrar a los beneficiarios, al menos una comida diaria, según los Requerimientos de Energía y Nutrientes para la población venezolana. Se consideraron las variables: Edad, Género, Actividad y Requerimiento Energético; se estudió una población de 1.644 trabajadores y trabajadoras de una empresa A, clasificados según el tipo de trabajo realizado, así como 1038 trabajadores y trabajadoras de una empresa B, con cuatro sedes. Se seleccionó una muestra probabilística de 150 de la primera empresa con el fin de comprobar la contabilidad de los resultados basados en dicha muestra, se comparó el resultado obtenido para la población y para la muestra, mediante la prueba z, y se encontró que no hay diferencias estadísticamente significativas (p > 0,05). Se compararon los requerimientos promedios por género y por actividad, mediante la aplicación de la prueba t y las diferencias fueron estadísticamente significativas (p < 0,05). Se concluye que la FDI es válida y los resultados obtenidos a partir de una muestra probabilística son confiables.


The objective is to demonstrate the importance has the application the diet formula Institutional (IDF), using results obtained in a sample, which are reliable and allow you to infer the IDF for the population of workers, beneficiaries of food law for workers, adopted according to Gazette official Nº 38.094 of the Bolivarian Republic of Venezuela, dated 27 December 2004; and its regulations, approved accor-ding to official Gazette Nº 38.426 dated 28-04-06, Decree Nº 4.448 of the 25-04-06, which requires companies to pro-vide the beneficiaries to the least a daily meal according to energy and nutrient requirements for the Venezuelan popu-lation. The variables were considered: Age, Sort, Activity and Energetic Requirement; a population of 1644 workers and workers of a company studied, classified according to the type of made work, as well as 1038 workers and workers of a B company, with four seats. A probabilistic sample of 150 of the first company with the aim was selected to verify the trustworthiness of the results based on this sample, com-pared the result obtained for the population and the sam ple, by means of test t of Student, and one was that p are statisti-cally no significant differences (p > 0,05). Ave rages by sort were compared the requirements and by activity, by means of the application of the test t and the dif ef rences they were statistically significant (p < 0,05). One concludes that the IDF is valid and the results obtained from a probabilistic sample are reliable.


Asunto(s)
Humanos , Masculino , Femenino , Alimentos Formulados , Dietética/métodos , Actividad Motora/fisiología , Necesidades Nutricionales , Salud Pública
19.
Arq. bras. endocrinol. metab ; Arq. bras. endocrinol. metab;54(5): 455-462, 2010. tab
Artículo en Portugués | LILACS | ID: lil-554206

RESUMEN

OBJETIVO: Analisar o consumo de adoçantes e produtos dietéticos por indivíduos com diabetes melito tipo 2, atendidos pelo Sistema Único de Saúde (SUS) em Ribeirão Preto, SP. SUJEITOS E MÉTODOS: Por meio de questionário, foram entrevistados 120 pacientes, estratificados por sexo, faixa etária e nível de atendimento. RESULTADOS: Os resultados mostram que o uso de adoçantes é frequente na população em estudo, com predomínio do tipo líquido, e o uso de produtos dietéticos é menor, com predomínio dos refrigerantes. O diagnóstico do DM foi determinante para o uso dos produtos e o critério de seleção mais utilizado foi o sabor. É pequena a porcentagem da amostra que sabe a diferença entre diet e light, que tem o hábito de ler o rótulo dos alimentos e que se preocupa com a quantidade utilizada de adoçante. CONCLUSÃO: É uma necessidade a inclusão de informações sobre o uso adequado desses produtos nas atividades assistenciais aos pacientes com DM nos diversos níveis do SUS.


OBJECTIVE: To analyze the consumption of sweeteners and dietetic foods by individuals with type 2 diabetes, assisted by the Brazilian National Health System, in the city of Ribeirão Preto, SP. SUBJECTS AND METHODS: Through a questionnaire were interviewed 120 patients were interviewed, stratified by sex, age and level of health care. RESULTS: The use of sweeteners is very frequent by the population in study, with predominance of the liquid type, and the use of dietetic foods is less common, with predominance of soft drinks. The diagnosis of diabetes was determinant for starting the use of both and the used criterion for selection of the sweetener is its flavor. The percentage of the population that knows the difference between diet and light products, that has the habit to read labels, and that is worried with the amount used of sweetener, is small. CONCLUSION: There is a need to include information about the adequate use of these products in the health care activities for patients with diabetes in the different levels of the Brazilian National Health System.


Asunto(s)
Adulto , Anciano , Anciano de 80 o más Años , Femenino , Humanos , Masculino , Persona de Mediana Edad , Dieta para Diabéticos/estadística & datos numéricos , Conducta Alimentaria , Conocimientos, Actitudes y Práctica en Salud , Edulcorantes/administración & dosificación , Brasil , Estudios Transversales , Escolaridad , Encuestas y Cuestionarios
20.
Arq. bras. endocrinol. metab ; Arq. bras. endocrinol. metab;53(5): 657-666, jul. 2009. tab
Artículo en Portugués | LILACS | ID: lil-525427

RESUMEN

A doença cardiovascular (DCV) é a principal causa de mortalidade em pacientes com diabetes melito (DM), sendo essencial a intervenção dietética no manejo dessa complicação. O objetivo deste manuscrito foi revisar as evidências científicas que fundamentam as recomendações dietéticas da American Diabetes Association (ADA) para prevenção e tratamento da DCV nos pacientes com DM. As diretrizes da ADA baseiam-se, em sua maioria, em estudos com pacientes com DCV, porém sem DM. Nos pacientes com DM, um aumento na ingestão de peixe e de fibras solúveis são as recomendações dietéticas com benefício comprovado. Embora o DM possa ser considerado um equivalente de DCV estabelecida, a adoção das recomendações dietéticas de pacientes sem DM e com DCV para todos pacientes com DM é questionável - em especial quando são consideradas as peculiaridades da DCV no DM. Ensaios clínicos aleatorizados em pacientes com DM deverão fundamentar melhor os benefícios das intervenções dietéticas sobre a DCV.


Cardiovascular disease (CVD) is the main cause of mortality among patients with diabetes mellitus (DM), and dietary intervention is an essential measure to prevent and treat this complication. The aim of this manuscript was to review scientific evidence that underlies the dietetic recommendations of the American Diabetes Association (ADA) for prevention and treatment of CVD in patients with DM. The ADA guidelines are mostly based on studies performed on patients with CVD and without DM. The evidence-based dietary recommendations for patients with DM are to increase the intake of fish and soluble fibers. Although DM has been considered as an equivalent of established CVD, the adoption of the same dietary recommendations for patients without DM and with CVD for all patients with DM is still questionable - especially considering the peculiarities of CVD in DM. Randomized clinical trials including patients with DM should provide further information regarding the benefits of these dietary interventions for CVD.


Asunto(s)
Humanos , Enfermedades Cardiovasculares/prevención & control , Dieta para Diabéticos , Angiopatías Diabéticas/prevención & control , Necesidades Nutricionales , Sociedades Médicas , Enfermedades Cardiovasculares/dietoterapia , Diabetes Mellitus/dietoterapia , Angiopatías Diabéticas/dietoterapia , Dieta para Diabéticos/normas , Medicina Basada en la Evidencia , Factores de Riesgo , Estados Unidos
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