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1.
Ecol Food Nutr ; 58(2): 104-119, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-30700153

RESUMO

Ecuador is the country that receives and integrates the largest amount of refugees and migrants of Latin America into its population and it has to have valid instruments for measuring and monitoring its food insecurity situation. A food security scale was applied to a sample of households in one rural area (n = 36), and another peri-urban one (n = 153). The validation was made following FAO recommendations. On applying the Raschse model it was observed that the theoretical severity of the questions was reflected similarly in the experiences of the households. The infit statistics for each item are placed in acceptable values (0.7-1.3). The results of the validated scale indicate that the study population finds itself in a serious food insecurity situation.


Assuntos
Emigrantes e Imigrantes , Abastecimento de Alimentos , Refugiados , População Rural , Inquéritos e Questionários , Migrantes , População Urbana , Adolescente , Adulto , Criança , Equador , Características da Família , Feminino , Humanos , América Latina , Masculino , Pobreza , Reprodutibilidade dos Testes
2.
Aten Primaria ; 50(2): 88-95, 2018 Feb.
Artigo em Espanhol | MEDLINE | ID: mdl-28595900

RESUMO

OBJECTIVE: To analyse the nutritional status of patients older than 65 years included in the home care program (PAD). DESIGN: Croos-sectional study. EMPLACEMENT: 3 urban health centers. PARTICIPANTS: 218 patients in the PAD. METHOD: Mini Nutritional Assessment questionnaire (MNA) was applied. Sociodemographic, anthropometric, dependency, emotional and cognitive status and analytical parameters: 57 variables were collected. Possible associations were analysed by applying the chi square and variance analysis. The level of significance was considered to be P<.05 was considered. RESULTS: The mean age was 83.9 years (SD=7.4); 34.9% were institutionalized and 80.7% were women; 21.2% of patients were malnourished and 40.1% were at risk of it. A significant association was established between poorer nutritional status and older age, lower BMI, greater dependence on basic and instrumental activities of daily living and greater cognitive impairment. The lowest mean hemoglobin, albumin, and iron levels were also associated with malnutrition and risk of malnutrition. CONCLUSIONS: More than half of PAD patients are malnourished or at risk for it, and a high proportion of them some laboratory abnormality susceptible to be corrected. Most cognitive impairment and functional dependence are closely related to malnutrition; so patients with these characteristics should receive more attention from the nutritional point of view.


Assuntos
Avaliação Geriátrica , Estado Nutricional , Idoso , Idoso de 80 Anos ou mais , Estudos Transversais , Feminino , Serviços de Assistência Domiciliar , Humanos , Masculino , Espanha , População Urbana
3.
Int J Environ Health Res ; 27(6): 476-486, 2017 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-29022359

RESUMO

The aim of this study was to determine the hazard ratio (HQ), the risk index (HI), and the cancer risk index (CRI) for populations of adults and children exposed to ingestion, dermal contact and inhalation of heavy metals in agricultural soil. For these, the contents of Cd, Pb, Ni, Cu, Co, Cr, Zn, and the metalloid As were determined in soils of four zones of the sub-basin of Alto Balsas, during two different periods of the year. The average content of metals in the soil was 1.24, 14.77, 14.80, 13.06, 5.50, 17.65, 22.89, and 5.32 mg kg-1 for Cd, Pb, Ni, Cu, Co, Cr, Zn, and As, respectively. The highest risk in terms of HQ and HI was for adults, especially for men who are affected through the skin, with Cd and Cr being the most dangerous. CRI values were within the allowable range, without posing problems for adult and child populations.


Assuntos
Irrigação Agrícola , Metais Pesados/toxicidade , População Rural , Poluentes do Solo/toxicidade , Águas Residuárias/química , Adulto , Criança , Feminino , Humanos , Masculino , Metais Pesados/química , México , Fatores de Risco , Poluentes do Solo/química , Poluentes Químicos da Água/química
4.
Int J Food Sci Nutr ; 65(6): 678-85, 2014 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-24725145

RESUMO

Twenty samples of fish and seafood products were selected for determination of total and bioaccessible Se (i.e. soluble and dialyzable). The Se contents ranged between 0.638-0.052 µg/g. The samples of fatty fish such as mackerel and tuna showed higher contents than the species of lean fish, and mainly the fresh water fish, such as salmon, trout and panga showed the lowest contents. The fraction of soluble Se ranged between 43-84% while that the fraction of dialyzable Se did not exceed 14%. No statistically significant correlation was observed between protein content and total and bioaccessible Se content. In contrast, a negative interaction was observed between bioaccessible Se and fat content, and between bioaccessible Se and presence of heavy metals like Cd.


Assuntos
Dieta , Peixes/metabolismo , Alimentos Marinhos/análise , Selênio/metabolismo , Frutos do Mar , Animais , Disponibilidade Biológica , Gorduras na Dieta , Proteínas Alimentares , Humanos , Região do Mediterrâneo , Metais Pesados , Diálise Renal
5.
Ecol Food Nutr ; 52(3): 251-65, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23621489

RESUMO

A probabilistic model was developed to estimate the intake level for Fe, Zn, Ca, P, Mg, Mn, Cu, Na, and K derived from consumption of weaning foods in Spain. They were pooled into 10 different categories based on the main ingredient used in its formulation (chicken, chicken-veal, hake, ham, varied vegetables, chicken-ham, lamb, veal, sole, and beef-ham). The results reported that trace elements contents were especially low and inadequate according to the Dietary Reference Intake especially to Fe, Zn, and Ca and in less extent for Cu and P. Instead, Na contents were moderately high and near to upper limit of this element.


Assuntos
Deficiências Nutricionais/etiologia , Dieta , Análise de Alimentos , Oligoelementos/administração & dosagem , Desmame , Cálcio/administração & dosagem , Cálcio/deficiência , Humanos , Lactente , Ferro/administração & dosagem , Deficiências de Ferro , Modelos Estatísticos , Valores de Referência , Espanha , Oligoelementos/deficiência , Zinco/administração & dosagem , Zinco/deficiência
6.
J Sci Food Agric ; 92(7): 1331-40, 2012 May.
Artigo em Inglês | MEDLINE | ID: mdl-22052744

RESUMO

BACKGROUND: Minerals are essential for human nutrition and must be obtained from our diet. Crucifer vegetables are a good source of these nutrients. Our objectives were to determine the genetic variability for mineral content and to evaluate the use of near-infrared reflectance spectroscopy (NIRS) for prediction of ashes and minerals among and within the rocket species Eruca vesicaria subsp. sativa and vesicaria. The minerals studied were iron (Fe), copper (Cu), sodium (Na), potassium (K), calcium (Ca), magnesium (Mg), manganese (Mn) and zinc (Zn). RESULTS: The maximum mean values obtained for all the accessions (mean ± SE) were 235.5 ± 1.5 mg ashes kg(-1), 273.3 ± 4.2 mg Fe kg(-1), 18.1 ± 0.4 mg Cu kg(-1), 2.8 ± 0.1 g Na kg(-1), 71.6 ± 1.0 g K kg(-1), 64.6 ± 1.2 g Ca kg(-1), 6.8 ± 0.1 g mg kg(-1), 101.6 ± 1.2 mg Mn kg(-1), and 67.1 ± 0.4 mg Zn kg(-1) of dry weight. CONCLUSION: The statistical analysis showed significant differences for all the minerals, except Ca, for each accession studied individually and for accessions grouped within countries. The results indicate that NIRS can be used as a rapid screening method for determining total mineral, Fe, Na, K, and Zn in rocket.


Assuntos
Brassicaceae/química , Dieta , Minerais/análise , Espectroscopia de Luz Próxima ao Infravermelho/métodos , Oligoelementos/análise , Humanos
7.
Foods ; 10(2)2021 Feb 04.
Artigo em Inglês | MEDLINE | ID: mdl-33557347

RESUMO

This study aims to determine the changes in, and bioaccessibility of, polyphenols and organosulfur compounds (OSCs) during the simulated gastrointestinal digestion of black onion, a novel product derived from fresh onion by a combination of heat and humidity treatment, and to compare it with its fresh counterpart. Fresh and black onions were subjected to in-vitro gastrointestinal digestion, and their polyphenol and OSC profiles were determined by ultra-high-performance liquid chromatography coupled with high-resolution mass spectrometry (UHPLC-HRMS). Although to a lesser extent than in the fresh onion, the phenolic compounds in the black variety remained stable during the digestion process, presenting a higher bioaccessibility index (BI) with recovery corresponding to 41.1%, compared with that of fresh onion (23.5%). As for OSCs, apart from being more stable after the digestion process, with a BI of 83%, significantly higher quantities (21 times higher) were found in black onion than in fresh onion, suggesting that the black onion production process has a positive effect on the OSC content. Gallic acid, quercetin, isorhamnetin, and ɣ-glutamyl-S-(1-propenyl)-L-cysteine sulfoxide were the most bioaccessible compounds in fresh onion, while isorhamnetin, quercetin-diglucoside, ɣ-glutamyl-S-methyl-L-cysteine sulfoxide and methionine sulfoxide were found in black onion. These results indicate that OSCs and polyphenols are more bioaccessible in black onion than in fresh onion, indicating a positive effect of the processing treatment.

8.
Biol Trace Elem Res ; 199(5): 1843-1854, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-32734532

RESUMO

The objective was to assess that potential health risk from Cd, Cu, and Pb, through the consumption of hunted red-legged partridge and wild rabbit meat, with special focus on the population of hunters and their relatives. Mineral content was analyzed by atomic absorption methods (F-AAS for Cu and GF-AAS for Cd and Pb) after microwave digestion of lyophilized samples. The average concentrations of these elements were 0.008 and 0.01 mg/kg for Cd; 1.41 and 1.63 mg/kg for Cu and 0.98 and 1.28 mg/kg for Pb in wild rabbit and red-legged partridge meat respectively. The dietary, risk assessment was performed by assuming two intake scenarios based on the obtained results of the survey on game meat consumption and the current maximum recommended intakes of Cd, Cu, and Pb, and then, the hazard quotients (THQ and TTHQ) were calculated. The data show that exposure to these metals from eating red-legged partridge and wild rabbit meat from a hunting provenance is relatively low and generally greater in the hunter population. The risk assessment revealed that moderate or low consumption of meat of these species does not offer a significant public health risk. Moreover, hazard quotients values for these metals of red-legged partridge and rabbit meat consumption in hunters and nonhunters are below 1. However, a high Pb content in the meat of these species and a high consumption may pose a greater health risk to hunters.


Assuntos
Galliformes , Metais Pesados , Animais , Cádmio , Monitoramento Ambiental , Contaminação de Alimentos/análise , Chumbo , Carne/análise , Metais Pesados/análise , Coelhos , Medição de Risco
9.
Front Psychol ; 11: 397, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32210897

RESUMO

OBJECTIVE: To examine the effectiveness of self-weighing for weight loss in men for 6 months. METHODS: In the present study, 54 men, mean age of 40.1 ± 11.1 years, with overweight or obesity, were recruited and randomly assigned into two groups: control group (CG), without weight self-monitoring and intervention group (IG), with weight self-monitoring. Both groups received the same nutritional and educational advice and the establishment of a weight target to reach in the weight loss program. Subjects of IG also had individualized motivating content to improve self-management for 24 weeks. Anthropometric indices were measured at baseline and weekly for 24 weeks. RESULTS: When the group assigned after randomization was introduced in the analysis, its influence was significant in weight loss (F1.52 = 19.465, ± 2 = 0.272, p < 0.001) and in the decrease in body fat percentage (F1.52 = 8,306, ± 2 = 0.132, p < 0.01). CONCLUSION: Study results indicate that self-weighing can help patients to lose additional weight. Our findings have implications in the emerging area of the behavioral approach of patients undergoing weight-loss treatment, as well as clinical care processes. CLINICAL TRIAL REGISTRATION: www.ClinicalTrials.gov, identifier NCT04032249.

10.
JMIR Mhealth Uhealth ; 8(5): e16999, 2020 05 27.
Artigo em Inglês | MEDLINE | ID: mdl-32348263

RESUMO

BACKGROUND: In clinical practice, it is difficult to convey the benefits of sustained physical activity to adult patients with excess weight or obesity. For this purpose, a goal-setting walking prescription may be an effective strategy. OBJECTIVE: This study aimed to determine the efficacy of the intervention of a pedometer app in setting a goal to reach 10,000 steps per day in adults. METHODS: Overweight adults (n=98; mean body mass index 32.53 [SD 4.92] kg/m2) were randomized to one of two conditions (control or intervention). Both groups downloaded a pedometer app that recorded their daily step counts and were given a daily walking goal of 10,000 steps. Subjects participated in a 24-week in-person behavioral weight control program and were asked to monitor their daily levels using the pedometer app. Baseline data were recorded and followed up weekly. Only the intervention group had structured information delivery, a personalized physical activity prescription, and follow-up on number of steps per day. RESULTS: The results show that regardless of sex or age, prescribing walking increased the number of steps per day by 4806 step on average (standardized ß coefficient=-0.813, SE=427.586, t=-11.242, P<.001). CONCLUSIONS: These results could have implications for improving self-monitoring in overweight adults during periods of weight loss. Health professionals should analyze the implementation of tools that permit them to prescribe, follow up, and encourage the achievement of a goal of physical activity in overweight or obese patients. TRIAL REGISTRATION: ClinicalTrials.gov NCT03845478; https://clinicaltrials.gov/ct2/show/NCT03845478.


Assuntos
Aplicativos Móveis , Telemedicina , Actigrafia , Adulto , Composição Corporal , Aconselhamento , Humanos , Sobrepeso/terapia , Redução de Peso
11.
Diagnostics (Basel) ; 10(12)2020 Dec 02.
Artigo em Inglês | MEDLINE | ID: mdl-33276653

RESUMO

Although the correlation coefficient between body mass index (BMI) and poor lipid profile has been reported, representing a cardiovascular risk, the need to find new early detection markers is real. Waist circumference and markers of atherogenic dyslipidemia are not usually measured in medical review appointments. The present study aimed to investigate the relationship between central adiposity and cardiovascular risk. This was a cross-sectional pilot study of 57 young males (age: 35.9 ± 10.85, BMI: 32.4 ± 6.08) recruited from community settings and allocated to non-obese or obese attending to their waist circumference. Total cholesterol (TC), high-density lipoproteins (HDL-C), and low-density lipoproteins (LDL-C) cholesterol and triglycerides (TG) were measured from plasma samples. Patients with at least 100 cm of waist circumference had significantly increased TC, LDL-C, non-HDL-C, and triglycerides and lower levels of HDL-C. The three atherogenic ratios TC/HDL-C, LDL-C/HDL-C, and TG/HDL-C were all optimal in non-obese patients. LDL-C/HDL-C and TG/HDL-C were significantly higher and over the limit when assessing for atherogenic dyslipidemia. The number of patients at risk for cardiovascular events increases 2.5 folds in obese compared to non-obese. Measurement of waist circumference could be adopted as a simpler valid alternative to BMI for health promotion, to alert those at risk of atherogenic dyslipidemia.

12.
Foods ; 9(11)2020 Oct 31.
Artigo em Inglês | MEDLINE | ID: mdl-33142731

RESUMO

Numerous studies have reported health benefits associated with the consumption of fresh and black garlic, which are characterized by the presence of polyphenols and organosulfur compounds (OS). This study aims to analyze the bioaccessibility of the bioactive compounds in fresh and black garlic after in vitro gastrointestinal digestion by monitoring the individual profile of these compounds by ultra-high-performance liquid chromatography coupled to high-resolution mass spectrometry (UHPLC-HRMS). Polyphenols decreased from the beginning of the digestive process, is mainly affected during intestinal digestion. Regarding the OS, the S-alk(en)yl-L-cysteine (SACs) derivatives were more influenced by the acidic conditions of the gastric digestion, while the γ-glutamyl-S-alk(en)yl-L-cysteine (GSAk) derivatives were more susceptible to intestinal digestion conditions in both the fresh and black garlic samples. In conclusion, after in vitro gastrointestinal digestion, the compounds with the highest bioaccessibility were vanillic acid (69%), caffeic acid (52%), γ-glutamyl-S-methyl-L-cysteine sulfoxide (GSMCS) (77%), and S-allylmercapto-L-cysteine (SAMC) (329%) in fresh garlic. Meanwhile, in black garlic, the main bioaccessible compounds were caffeic acid (65%), GSMCS (89%), methionine sulfoxide (262%), trans-S-(1-propenyl)-L-cysteine (151%), and SAMC (106%). The treatment (heating + humidity) to obtain black garlic exerted a positive effect on the bioaccessibility of OS compounds, 55.3% of them remaining available in black garlic, but only 15% in fresh garlic. Polyphenols showed different behavior regarding bioaccessibility.

13.
Foods ; 9(6)2020 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-32492837

RESUMO

The effect of consuming breads made with wheat flour and Amaranth (Amaranthus dubius Mart. ex Thell.) wholemeal flour on Sprague Dawley rats with hyperlipidaemia and hyperglycaemia induced through feeding was studied. Four diets were provided: control (CD: Ratarina®), commercial bread (CBD), bread with 100 g·kg-1 (ABD10) and 200 g·kg-1 (ABD20) amaranth flour. Zoometric and blood chemistry parameters were measured before and after consuming the diets. A completely random factorial design of 2 × 4 × 2 was used. The factors were blood lipids and glucose level (normal, N and elevated, E), diet (CD, CBD, ABD10 and ABD20) and sex (female, F and male, M). The rats consuming ABD10 and ABD20 diets presented the lowest glucose values, although with no differences (p > 0.05) between the groups of elevated blood lipids and glucose rats (E). Triglyceride concentrations decreased in ABD10 and ABD20 treatments in comparison with CD, elevated blood lipids and glucose (E) rats, while ABD10 rats showed lower total cholesterol level than normal (N) rats. The high-density lipoprotein cholesterol values increased in the ABD10 and ABD20 groups (p < 0.05), while it did lower for very low-density lipoprotein cholesterol and cardiac risk index (p < 0.05). In ABD10 and ABD20 treatments, the abdominal circumference decreased in both sexes (p < 0.05) between weeks 23 and 31. In conclusion, consumption of bread with amaranth improved lipid profiles of rats and could help to prevent metabolic and cardiovascular diseases.

14.
Food Chem ; 311: 125958, 2020 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-31855775

RESUMO

This study aims to investigate whether the heat treatment applied during the production of black onion, a novel derived product made from fresh onion, produces changes in the content of flavonoids, organosulfur compounds, organic acids, water soluble sugars and amino acids in three onion varieties ('Shallot', 'Chata' and 'Echalion'). The total flavonoid content decreased up to 12-fold in black onions compared with fresh onions while the quantities of isoalliin, the main organosulfur compound in black onions, drastically increased during the process. Moreover, the levels of fructose and glucose significantly increased during the elaboration process, contributing to the sweetness of black onions. The influence of heating on their antioxidant capacity showed a decreasing trend of the ORAC antioxidant activity of onion, while ABTS and DPPH did not show a clear tendency. These results present a comprehensive phytochemical characterization of black onions, highlighting the significant influence of the heating process on their phytochemical composition.


Assuntos
Antioxidantes/química , Cebolas/química , Extratos Vegetais/química , Antioxidantes/metabolismo , Flavonoides/química , Flavonoides/metabolismo , Cebolas/metabolismo , Extratos Vegetais/metabolismo , Compostos de Enxofre/química , Compostos de Enxofre/metabolismo
15.
JMIR Mhealth Uhealth ; 8(2): e13747, 2020 02 12.
Artigo em Inglês | MEDLINE | ID: mdl-32049065

RESUMO

BACKGROUND: Technology-in particular, access to the Internet from a mobile device-has forever changed the way we relate to others and how we behave in our daily life settings. In recent years, studies have been carried out to analyze the effectiveness of different actions via mobile phone in the field of health: telephone calls, short message service (SMS), telemedicine, and, more recently, the use of push notifications. We have continued to explore ways to increase user interaction with mobile apps, one of the pending subjects in the area of mHealth. By analyzing the data produced by subjects during a clinical trial, we were able to extract behavior patterns and, according to them, design effective protocols in weight loss programs. OBJECTIVE: A clinical trial was proposed to (1) evaluate the efficacy of push notifications in an intervention aimed at improving the body composition of adult women who are overweight or obese, through a dietary procedure, and (2) analyze the evolution of body composition based on push notifications and prescribed physical activity (PA). METHODS: A two-arm randomized controlled trial was carried out. A sample size of 117 adult obese women attended a face-to-face, 30-minute consultation once a week for 6 months. All patients were supplied with an app designed for this study and a pedometer. The control group did not have access to functionalities related to the self-monitoring of weight at home, gamification, or prescription of PA. The intervention group members were assigned objectives to achieve a degree of compliance with diet and PA through exclusive access to specific functionalities of the app and push notifications. The same diet was prescribed for all patients. Three possible PA scenarios were studied for both the control and intervention groups: light physical activity (LPA), moderate physical activity (MPA), and intense physical activity (IPA). For the analysis of three or more means, the analysis of variance (ANOVA) of repeated means was performed to evaluate the effects of the intervention at baseline and at 3 and 6 months. RESULTS: Receiving notifications during the intervention increased body fat loss (mean -12.9% [SD 6.7] in the intervention group vs mean -7.0% [SD 5.7] in the control group; P<.001) and helped to maintain muscle mass (mean -0.8% [SD 4.5] in the intervention group vs mean -3.2% [SD 2.8] in the control group; P<.018). These variations between groups led to a nonsignificant difference in weight loss (mean -7.9 kg [SD 3.9] in the intervention group vs mean -7.1 kg [SD 3.4] in the control group; P>.05). CONCLUSIONS: Push notifications have proven effective in the proposed weight loss program, leading women who received them to achieve greater loss of fat mass and a maintenance or increase of muscle mass, specifically among those who followed a program of IPA. Future interventions should include a longer evaluation period; the impact of different message contents, as well as message delivery times and frequency, should also be researched. TRIAL REGISTRATION: ClinicalTrials.gov NCT03911583; https://www.clinicaltrials.gov/ct2/show/NCT03911583.


Assuntos
Composição Corporal , Exercício Físico/fisiologia , Aplicativos Móveis , Adulto , Feminino , Humanos , Obesidade/terapia , Sobrepeso/terapia
16.
J Immigr Minor Health ; 21(5): 1035-1042, 2019 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-30109533

RESUMO

The goal of this paper is to assess food and nutritional security status of an indigenous population who migrated from Colombia to Ecuador. We collected data about the perception of food insecurity, anthropometric and food intake (n = 104). An analysis multivariate (Generalized Linear Model) we used to know the adequacy to the Dietary Reference Intake (DRI). All the households were food insecure, stunting affected 45.1% of children and adolescents and the 60% were overweight or obese women. Significant differences were observed by gender for energy, lipid, carbohydrate, fiber, and iron (p < 0.001). No age group meets the DRI for fiber, calcium and potassium (except in children 24-59 months) and iron. There was a deficiency in vitamins A, D, folic acid and thiamine. The Epera Siapidara people in Ecuador experience acute food insecurity and a double burden of malnutrition, which may seriously affect their health and general progress.


Assuntos
Abastecimento de Alimentos , Desnutrição , Estado Nutricional , Refugiados , Adolescente , Adulto , Idoso , Antropometria , Criança , Pré-Escolar , Colômbia , Equador , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Grupos Populacionais , Adulto Jovem
17.
Foods ; 8(8)2019 Aug 03.
Artigo em Inglês | MEDLINE | ID: mdl-31382578

RESUMO

Black garlic is made from the fresh kind, submitting it to a controlled temperature (~65 °C) and humidity (>85 °C) for a prolonged period of time. The aim of this study was to assess the differences in the process and in the final product as a result of employing three garlic varieties (Spanish Roja, Chinese Spring and California White), and to check the influence of the storage time on fresh garlic in the quality of the final product by using garlic obtained in two different agricultural seasons, that of the current year (2014) and of the previous one (2013). The results revealed some differences in the parameters analysed during the manufacturing of the black garlic from the three varieties used, and even according to the harvest in question. However, when comparing initial and final values of the samples, a very similar evolution in their acidity, reducing sugars, °Brix, pH, polyphenol content, and antioxidant capacity was noted.

18.
Foods ; 8(9)2019 Aug 26.
Artigo em Inglês | MEDLINE | ID: mdl-31454970

RESUMO

Standard wet chemistry analytical techniques currently used to determine plant fibre constituents are costly, time-consuming and destructive. In this paper the potential of near-infrared reflectance spectroscopy (NIRS) to analyse the contents of acid detergent fibre (ADF) in turnip greens and turnip tops has been assessed. Three calibration equations were developed: in the equation without mathematical treatment the coefficient of determination (R2) was 0.91, in the first-derivative treatment equation R2 = 0.95 and in the second-derivative treatment R2 = 0.96. The estimation accuracy was based on RPD (the ratio between the standard deviation and the standard error of validation) and RER (the ratio between the range of ADF of the validation as a whole and the standard error of prediction) of the external validation. RPD and RER values were of 2.75 and 9.00 for the treatment without derivative, 3.41 and 11.79 with first-derivative, and 3.10 and 11.03 with second-derivative. With the acid detergent residue spectrum the wavelengths were identified and associated with the ADF contained in the sample. The results showed a great potential of NIRS for predicting ADF content in turnip greens and turnip tops.

19.
Artigo em Inglês | MEDLINE | ID: mdl-30650035

RESUMO

A survey has been made of 300 habitual consumers of the eight species of wild mushrooms most often consumed in the south of Spain. The eight species selected constitute over 95% of the intake of this food in the samples studied. The mean consumption per capita of mushrooms in Spain is of 10.4 kg/year, 8.6 kg of which are consumed during the season, which lasts from between 1 and 3 months. Male pickers from the Huelva province were those who presented the largest intake, their age group being highly influenced by the species. The consumption of each mushroom studied and the total intake were adjusted/fitted to exponential distributions. These distributions could be an effective tool for toxicological or nutritional studies since they permit the evaluation of exposure that makes it possible to calculate the probabilistic risk analysis and the contribution to the reference dietary intake, respectively, for this population group.


Assuntos
Agaricales/química , Análise de Alimentos , Contaminação de Alimentos/análise , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Software , Espanha , Especificidade da Espécie
20.
Nutr Hosp ; 36(Spec No1): 121-129, 2019 Jul 02.
Artigo em Espanhol | MEDLINE | ID: mdl-31232582

RESUMO

INTRODUCTION: As is known, the type and amount of food consumption determine the nutritional composition of the diet. A healthy nutritional composition plays an essential role in the prevention of diseases such as cardiovascular, diabetes mellitus type 2 and obesity. Regarding overweight and obesity, its prevalence has increased in recent years in our country and more markedly in Andalusia, reaching quite worrying figures, due to unfavorable changes in lifestyle and nutrition. In Andalusia, food consumption figures are lower than national ones and this contrasts with the higher prevalence of overweight and obesity in this Community. In addition, the sale of soft drinks in Andalusia are higher than the national average and sedentary lifestyle is higher. Among the strengths of the food model in western Andalusia, it is worth mentioning the follow-up of a model more adjusted to the Mediterranean diet by women and the elderly. There is a tendency to abandon the Mediterranean diet among the youngest and low socio-economic levels. On the nutritional profile, the lipids (39.1%) exceed the recommendations at the expense of carbohydrates, the consumption of saturated fatty acids (11.3%) exceeds the recommendations and the intakes of zinc and folic acid do not reach the values recommended. In general terms, there is an abandonment, fundamentally on the part of the youngest people of the typical foods of the Mediterranean diet.


INTRODUCCIÓN: Como es sabido, el tipo y la cantidad de consumo de alimentos determinan la composición nutricional de la dieta. A su vez, una saludable composición nutricional desempeña un papel esencial en la prevención de enfermedades como las cardiovasculares, la diabetes mellitus tipo 2 y la obesidad. En cuanto al sobrepeso y a la obesidad, su prevalencia ha ido aumentando en los últimos años en nuestro país, y de forma más marcada en Andalucía, hasta alcanzar cifras bastante preocupantes debido a los cambios desfavorables en el estilo de vida y en la alimentación. En Andalucía se observan cifras de consumo de alimentos inferiores a las nacionales, lo que contrasta con la mayor prevalencia de sobrepeso y obesidad en esta comunidad. Además, las cifras de venta de bebidas refrescantes y de gaseosas en Andalucía son superiores a la media nacional, y el sedentarismo es elevado. Entre las fortalezas del modelo alimentario en Andalucía occidental cabe destacar el seguimiento de un modelo más ajustado a la dieta mediterránea por parte de las mujeres y las personas mayores. Se tiende al abandono de la dieta mediterránea entre los más jóvenes y en los niveles socioeconómicos más desfavorecidos. Sobre el perfil nutricional, los lípidos (39,1 %) superan las recomendaciones a expensas de los hidratos de carbono, el consumo de ácidos grasos saturados (11,3%) también supera las recomendaciones y las ingestas de zinc y ácido fólico no alcanzan los valores recomendados. En términos generales se observa un abandono, fundamentalmente por parte de las personas más jóvenes, de los alimentos típicos de la dieta mediterránea.


Assuntos
Dieta/tendências , Preferências Alimentares , Estado Nutricional , Fatores Etários , Bebidas Gaseificadas/provisão & distribuição , Diabetes Mellitus Tipo 2/epidemiologia , Dieta Mediterrânea , Carboidratos da Dieta/administração & dosagem , Gorduras na Dieta/administração & dosagem , Feminino , Ácido Fólico/administração & dosagem , Humanos , Masculino , Valor Nutritivo , Obesidade/epidemiologia , Sobrepeso/epidemiologia , Prevalência , Comportamento Sedentário , Fatores Sexuais , Fatores Socioeconômicos , Espanha/epidemiologia , Zinco/administração & dosagem
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