Characterization by MALDI-TOF MS and 16S rRNA Gene Sequencing of Aerobic Endospore-Forming Bacteria Isolated from Pharmaceutical Facility in Rio de Janeiro, Brazil.

Bacillus and related genera are among the most important contaminants in the pharmaceutical production environment, and the identification of these microorganisms at the species level assists in the investigation of sources of contamination and in preventive and corrective decision making. The aim of this study was to evaluate three methodologies for the characterization of endospore-forming aerobic bacterial strains isolated from a pharmaceutical unit in Rio de Janeiro, Brazil. MALDI-TOF MS was performed using MALDI Biotyper® and VITEK® MS RUO systems, and complete 16S rRNA gene sequencing was performed using the Sanger methodology. The results showed the prevalence of the genera Bacillus (n = 9; 36.0%), Priestia (n = 5; 20.0%), and Paenibacillus (n = 4; 16.0%). Three (20.0%) strains showed <98.7% of DNA sequencing similarity on the EzBioCloud Database, indicating possible new species. In addition, the reclassification of Bacillus pseudoflexus to the genus Priestia as Priestia pseudoflexus sp. nov. is proposed. In conclusion, 16S rRNA and MALDI TOF/MS were not sufficient to identify all strains at the species level, and complementary analyses were necessary.

Shedding light on the impacts of Spirulina platensis on gut microbiota and related health benefits.

Spirulina (S.) platensis is a blue-green algae with reported nutritional and health-promoting properties, such as immunomodulating, antioxidant, cholesterol-lowering properties, and beneficial effects on inflammatory diseases. Spirulina platensis can improve the function and composition of the gut microbiota and exert systemic beneficial effects. Gut dysbiosis is characterized by an imbalance in the composition and function of gut microbiota and is associated with several diseases. Some dietary bioactive compounds can restore the composition, diversity, and function of the gut microbiota and improve health-related parameters. This review proposes to gather relevant information on the effects of S. platensis supplementation on the modulation of the function and composition of gut microbiota and local and systemic measures related to gut health, such as inflammation, oxidative stress, and glucose and lipid metabolism. The body of evidence conducted with animals and clinical studies shows that S. platensis supplementation increased gut microbiota diversity and improved gut microbiota composition, as reported by a decrease in the Firmicutes/Bacteroides ratio, increase in the relative abundance of Prevotella and Lactobacillaceae, increase in short-chain fatty acid production and decrease of gut permeability. Improvements in gut microbiota have been associated with host health benefits such as anti-obesity, anti-diabetic, anti-hypertensive, anti-lipemic, anti-inflammatory, and antioxidant effects.

Use of Nile tilapia (Oreocromis niloticus) processing residues in the production of pâtés with the addition of oregano (Origanum vulgare) essential oil.

The effect of the use of Nilo tilapia filleting residues in the production of pâtés with the addition of oregano essential oil stored for 90 days at 4 °C was evaluated. For that, 5 treatments were performed as follows: TSA-control treatment; TES with the addition of sodium erythorbate; and formulation TOE1 with 600 ppm oregano essential oil; TOE2 with 1000 ppm essential oil; and TOE3 with 1400 ppm essential oil. The pâtés showed adequate technological and physicochemical characteristics and microbiological counts within the legislation standards. No significant differences were observed in the luminosity of the pâté formulations during storage, and the addition of oil contributed to the increase in a* values and stability of b* values. Regarding the lipid and protein oxidation, TOE3 showed lower values at the end of the shelf-life. The addition of essential oil did not affect the hardness and cohesiveness of the products. The fatty acids in greater amounts in the samples were linoleic, oleic, palmitic, and stearic acids. The analysis of biogenic amines indicated that only the treatments with the highest amounts of sodium erythorbate (TES and TOE1) showed losses of spermidine. It was observed that decreasing the inclusion of sodium erythorbate and increasing the inclusion of oregano essential oil resulted in a drop in cadaverine values. A total of 46 volatile compounds were detected in the samples with the highest amount of free fatty acids and all the formulations were well accepted sensorially.

CPW partially attenuates DSS-induced ulcerative colitis in mice.

Ulcerative colitis (UC) is a chronic inflammatory bowel disease (IBD) of the gastrointestinal tract. The etiology is not fully understood, but environmental, microbial, and immunologic factors, as well as a genetic predisposition, play a role. UC is characterized by episodes of abdominal pain, diarrhea, bloody stools, weight loss, severe colonic inflammation, and ulceration. Despite the increase in the frequency of UC and the deterioration of the quality of life, there are still patients who do not respond well to available treatment options. Against this background, natural products such as polysaccharides are becoming increasingly important as they protect the intestinal mucosa, promote wound healing, relieve inflammation and pain, and restore intestinal motility. In this study, we investigated the effect of a polysaccharide isolated from the biomass of Campomanesia adamantium and Campomanesia pubescens (here referred to as CPW) in an experimental model of acute and chronic ulcerative colitis induced by dextran sulfate sodium (DSS). CPW reversed weight loss, increased disease activity index (DAI), bloody diarrhea, and colon shortening. In addition, CPW reduced visceral mechanical hypersensitivity, controlled oxidative stress and inflammation, and protected the mucosal barrier. CPW is not absorbed in the intestine, does not inhibit cytochrome P450 proteins, and does not exhibit AMES toxicity. These results suggest that CPW attenuates DSS-induced acute and chronic colitis in mice and may be a potential alternative treatment for UC.

Caracterização e geoespacialização da sífilis gestacional e congênita no Paraná, Brasil, 2012-2020 / Characterization and geospacialization of gestational and congenital syphilis in Paraná, Brazil, 2012-2020 / Caracterización y geoespacialización de sífilis gestacional y congénita en Paraná, Brasil, 2012-2020

A sífilis persiste como um problema de saúde pública, sobretudo pelos entraves existentes no enfrentamento da sífilis gestacional e congênita. Considerando que a ocorrência dessas infecções se relaciona a fatores maternos e programáticos, este estudo buscou analisar as características epidemiológicas do binômio mãe-filho exposto à sífilis e sua distribuição espacial no Paraná entre 2012 e 2020. Trata-se de estudo descritivo e ecológico, com dados dos sistemas nacionais de informação do Brasil. Foram considerados os casos de gestantes e de crianças registrados entre 2012 e 2020 no estado do Paraná. Foram apresentadas as frequências absolutas e relativas para a caracterização, calculando-se a variação percentual entre o primeiro e o último triênio. Ainda, foi empregado o índice de Moran para a geoespacialização segundo regiões de saúde. Houve predomínio em mulheres de 20 a 39 anos (71,24%), brancas (67,22%) e com até oito anos de estudo (80,76%), com diagnóstico nas fases primária e latente (76,42%). Os casos concentraram-se em crianças do sexo masculino (48,72%), diagnosticadas na fase recente (96,42%), e naquelas cujas mães aderiram ao pré-natal (88,88%), mas os parceiros, por sua vez, não foram tratados (69,46%). Houve aumento do diagnóstico materno durante o pré-natal (16,61%) e redução dos óbitos infantis por sífilis (31,25%). Observou-se concentração das notificações nas regiões Metropolitana e de Pato Branco. Em suma, as gestantes apresentaram idade reprodutiva e baixa escolaridade e foram tratadas durante o pré-natal, contudo, sem a inclusão dos parceiros. Ademais, evidenciou-se comportamento espacial aleatório nas regiões de saúde, com disparidade entre a sífilis gestacional e a congênita.

Syphilis remains as serious public health issue due to existing obstacles in combating gestational and congenital syphilis. Since the onset of these infections is related to maternal and programmatic factors, this study analyzed the epidemiological profile of the mother-child binomial exposed to syphilis and its spatial distribution in Paraná from 2012 to 2020. This is a descriptive, ecological study with data from Brazilian national information systems. Cases of pregnant women and children recorded between 2012 and 2020 in the state of Paraná were considered. Absolute and relative frequencies were estimated for characterization, calculating the percentage variation between the first and last three years. The Moran index was also used for geospacialization according to health regions. Most women were aged 20 to 39 years (71.24%), white (67.22%), and had up to 8 years of schooling (80.76%), with diagnosis in the primary and latent stages (76.42%). Most cases concerned male children (48.72%), diagnosed in the recent phase (96.42%), and from mothers who adhered to prenatal care (88.88%), but the partners were untreated (69.46%). Maternal diagnosis increased during prenatal care (16.61%) and infant deaths by syphilis decreased (31.25%). Most cases were notified in the Metropolitan and Pato Branco regions. In short, the pregnant women were of reproductive age, had low education, and were treated during prenatal care, but their partners were not included. The health regions showed random spatial behavior, with disparity between gestational and congenital syphilis.

La sífilis persiste como un problema de salud pública, principalmente por los obstáculos en hacer frente la sífilis gestacional y congénita. Teniendo en cuenta que la ocurrencia de estas infecciones está relacionada con los factores maternos y programáticos, este estudio tuvo como objetivo analizar las características epidemiológicas del binomio madre-hijo expuestos a la sífilis y la distribución espacial en Paraná (Brasil) entre 2012 y 2020. Se trata de un estudio descriptivo y ecológico, con datos de los sistemas de información nacionales de Brasil. Se consideraron los casos de mujeres embarazadas y niños registrados entre 2012 y 2020 en Paraná. Se presentaron las frecuencias absolutas y relativas, calculando la variación porcentual entre el primer y el último trienio. Asimismo, se utilizó el índice de Moran, según regiones de salud. Predominaron las mujeres de entre 20 y 39 años de edad (71,24%), blancas (67,22%), con hasta ocho años de estudio (80,76%), con diagnóstico en estadio primario y latente (76,42%). Los casos se concentraron en hijos varones (48,72%), diagnosticados en fase reciente (96,42%), y en aquellos cuyas madres tuvieron acceso a los cuidados prenatales (88,88%), pero su pareja no recibió el tratamiento (69,46%). Hubo un aumento en el diagnóstico materno durante la atención prenatal (16,61%) y una reducción en las muertes de niños por sífilis (31,25%). Se observó una concentración de casos en las regiones Metropolitana y de Pato Branco. En resumen, las mujeres embarazadas se encontraban en edad reproductiva, tenían bajo nivel de estudios y eran atendidas durante el prenatal, sin incluir su pareja. Además, se evidenció un comportamiento espacial aleatorio en las regiones de salud, con disparidad entre sífilis gestacional y congénita.

Tendência temporal dos homicídios de mulheres nos estados da região Sudeste do Brasil, de 2007 a 2019 / Timeline trend of homicides of women in the states of the Southeast region of Brazil between 2007 and 2019

Resumo O objetivo deste artigo é analisar a tendência temporal de homicídios de mulheres no período de 2007 a 2019, na região Sudeste do Brasil. Trata-se de um estudo ecológico misto dos homicídios em mulheres, de 2007 a 2019, considerando-se como unidade de análise os anos do estudo e os estados que compõem a região Sudeste. Os dados foram obtidos via Sistema de Informação sobre Mortalidade (SIM) e tabulados pelo TABNET. Empregou-se o modelo de regressão de Prais-Winsten para verificação de tendência de homicídios. Foram registrados 18.415 homicídios de mulheres entre 2007 e 2019 na região Sudeste. Cerca de 9.691 (53,64%) eram mulheres pretas, 5.118 (27,80%) com escolaridade de 4 a 7 anos e 10.841 (58,87%) solteiras. As variações percentuais anuais foram: São Paulo -3,73; IC95% [-6,09; -1,32], Espírito Santo -5,67; IC95% [-7,11; -4,21], Rio de Janeiro -3,86; IC95% [-9,54; 2,17] e Minas Gerais -2,11; IC95% [-4,87; 0,73]. São Paulo e Espírito Santo apresentaram taxas de homicídios de mulheres decrescentes, enquanto Minas Gerais e Rio de Janeiro taxas estacionárias. As maiores taxas de homicídio no período ocorreram em mulheres solteiras, pretas e com escolaridade de quatro a sete anos. Faz-se necessária a construção de redes sociais que viabilizem a proteção integral das mulheres.

Abstract The scope of this article is to analyze the timeline trend of homicides of women between 2007 and 2019, in the Southeast region of Brazil. It is a mixed ecological study of homicides in women, from 2007 to 2019, considering the years of the study and the states that that make up the Southeast region as the unit of analysis. The data were obtained via the Mortality Information System (SIM) and tabulated by TABNET. The Prais-Winten regression model was used to verify the homicide trend. There were 18,415 homicides of women between 2007 and 2019 in the Southeast region. A total of 9,691 (53.64%) were black women, 5,118 (27.8%) had 4 to 7 years of schooling and 10,841 (58.87%) were single. The annual percentage variations were: São Paulo -3.73 ; 95%CI [-6.09; -1.32], Espírito Santo -5.67 ; 95%CI [-7.11;-4.21], Rio de Janeiro -3.86; 95%CI [-9.54; 2.17] and Minas Gerais -2.11 ; 95%CI [-4.87; 0.73]. São Paulo and Espírito Santo presented decreasing homicide rates for women, while Minas Gerais and Rio de Janeiro showed stationary rates. The highest homicide rates in the period were single women, black women and women with 4 to 7 years of schooling. It is necessary to build social networks that ensure the full protection of women.

[Timeline trend of homicides of women in the states of the Southeast region of Brazil between 2007 and 2019]. / Tendência temporal dos homicídios de mulheres nos estados da região Sudeste do Brasil, de 2007 a 2019.

The scope of this article is to analyze the timeline trend of homicides of women between 2007 and 2019, in the Southeast region of Brazil. It is a mixed ecological study of homicides in women, from 2007 to 2019, considering the years of the study and the states that that make up the Southeast region as the unit of analysis. The data were obtained via the Mortality Information System (SIM) and tabulated by TABNET. The Prais-Winten regression model was used to verify the homicide trend. There were 18,415 homicides of women between 2007 and 2019 in the Southeast region. A total of 9,691 (53.64%) were black women, 5,118 (27.8%) had 4 to 7 years of schooling and 10,841 (58.87%) were single. The annual percentage variations were: São Paulo -3.73 ; 95%CI [-6.09; -1.32], Espírito Santo -5.67 ; 95%CI [-7.11;-4.21], Rio de Janeiro -3.86; 95%CI [-9.54; 2.17] and Minas Gerais -2.11 ; 95%CI [-4.87; 0.73]. São Paulo and Espírito Santo presented decreasing homicide rates for women, while Minas Gerais and Rio de Janeiro showed stationary rates. The highest homicide rates in the period were single women, black women and women with 4 to 7 years of schooling. It is necessary to build social networks that ensure the full protection of women.

O objetivo deste artigo é analisar a tendência temporal de homicídios de mulheres no período de 2007 a 2019, na região Sudeste do Brasil. Trata-se de um estudo ecológico misto dos homicídios em mulheres, de 2007 a 2019, considerando-se como unidade de análise os anos do estudo e os estados que compõem a região Sudeste. Os dados foram obtidos via Sistema de Informação sobre Mortalidade (SIM) e tabulados pelo TABNET. Empregou-se o modelo de regressão de Prais-Winsten para verificação de tendência de homicídios. Foram registrados 18.415 homicídios de mulheres entre 2007 e 2019 na região Sudeste. Cerca de 9.691 (53,64%) eram mulheres pretas, 5.118 (27,80%) com escolaridade de 4 a 7 anos e 10.841 (58,87%) solteiras. As variações percentuais anuais foram: São Paulo -3,73; IC95% [-6,09; -1,32], Espírito Santo -5,67; IC95% [-7,11; -4,21], Rio de Janeiro -3,86; IC95% [-9,54; 2,17] e Minas Gerais -2,11; IC95% [-4,87; 0,73]. São Paulo e Espírito Santo apresentaram taxas de homicídios de mulheres decrescentes, enquanto Minas Gerais e Rio de Janeiro taxas estacionárias. As maiores taxas de homicídio no período ocorreram em mulheres solteiras, pretas e com escolaridade de quatro a sete anos. Faz-se necessária a construção de redes sociais que viabilizem a proteção integral das mulheres.

Quality of Oreochromis niloticus and Cynoscion virescens fillets and their by-products in flours make for inclusion in instant food products.

The production of fish flour is an alternative for better use of the raw material, although it is rarely used in instant food. Thus, the aimed of this study was to evaluate Oreochromis niloticus (Nile tilapia) and Cynoscion virescens (croaker) fillets and the elaboration of flour with filleting by-products for inclusion in food products. Carcasses and heads of the two fish species were cooked, pressed, ground, subjected to drying and re-grinding to obtain standardized flours. These carcass flours were seasoned (sweet and salted). This study was organized into two experimental tests: Test 1: Yield, physicochemical and microbiological analyzes of fillets and flours made from carcass and head of Nile tilapia and croaker; Test 2: Seasoned flours made from Nile tilapia carcasses. There was a difference in fillets yield, where the croaker demonstrated 46.56% and the Nile tilapia 32.60%. Nile tilapia fillets had higher protein content (17.08%) and lower lipid content (0.89%) compared to croaker fillets (14.21 and 4.45%). Nile tilapia backbone flour had the highest protein content (55.41%) and the croaker the highest ash (45.55%) and the lowest Nile tilapia (28.38%). The head flours had lower protein contents (39.86%). Flours produced with croaker backbone had higher levels of calcium and phosphorus (9.34 and 9.27%). However, Nile tilapia backbone flour showed higher contents of essential amino acids. These flours demonstrated a fine granulometry (0.23 to 0.56 mm). Seasoned flours demonstrated interaction between fish species and flavors for moisture, ash, carbohydrates, calcium and phosphorus. The highest protein content (29.70%) was for Nile tilapia flour sweet flours (31.28%) had higher protein content, while salted lipids (8.06%). Nile tilapia has a lower fillet yield, although with a high protein content and low lipid content. Comparing the flours made from filleting by-products, the backbone flour has better nutritional quality, with Nile tilapia being superior to that of croaker, especially in terms of protein and amino acids.

The effect of light regime and time of slaughter in broiler on broiler performance, liver antioxidant status, and expression of genes related to peptide absorption in the jejunum and melatonin synthesis in the brain.

This study aimed to assess the effects of light regime and time of slaughter on primal cut and organ weights, peptide transporter 1 (PEPT1) gene expression in the jejunum, arylalkylamine N-acetyltransferase (AANAT) gene expression in the brain, and liver oxidant/antioxidant status in broilers aged 37 days. The experiment was conducted in a factorial completely randomized design, with two light regimes (intermittent light varying according to bird age and continuous light under an 18 h light/6 h dark photoperiod) and four times of slaughter (2:00, 8:00, 14:00 and 20:00 h). There was an interaction effect on PEPT1 and AANAT expression, lipid and protein oxidation and superoxide dismutase (SOD) activity. In both light regimes, PEPT1 expression responded cubically to slaughter time. In the continuous light group, PEPT1 expression was highest in birds slaughtered at 2:00 and 14:00 h, whereas, in the intermittent light treatment, expression was highest at 8:00 h. In the continuous light regime, AANAT expression had a cubic relationship with time of slaughter, with the greatest values recorded at 20:00 h. In the intermittent light regime, slaughter time showed a cubic effect on lipid oxidation, which was highest at 8:00 h. In the continuous light group, there was a cubic effect on nitrite concentration, lipid oxidation, protein oxidation, and SOD activity; nitrite levels, lipid oxidation, and protein oxidation were highest and SOD activity was lowest in birds slaughtered at 14:00 h. Time of slaughter influenced catalase activity, which responded cubically; catalase activity was lowest at 8:00 and 14:00 h. This study is the first to demonstrate that PEPT1 expression in the jejunum of broilers follows a diurnal rhythm and varies according to light regime. The results also suggest that mainly continuous lighting and slaughter at 14:00 h when the animals are possibly more active may be more stressful to broilers.

Characterization and Strength Quality of the Oryctolagus cuniculus Leather Compared to Oreochromis niloticus Leather.

This study aimed to compare the resistance of the Oryctolagus cuniculus L. (rabbit) and Oreochromis niloticus L. (Nile tilapia) skins, as well as to observe the design of the flower of these skins and the morphology of the dermis. Tilapia and rabbit skins were placed inside the same equipment (tannery machine) for the chromium salt tanning process. The flower design of the fish leather distinguishes it from the rabbit leather, the latter being constituted by the opening of the hair follicles and pores, while the fish leather is constituted by the presence of protective lamellae and insertion of the scales. The dermis of rabbit skin consists of thick bundles of collagen fibers arranged in all directions, which differs from the morphology observed in the dermis of fish skin. However, in the Nile tilapia skin dermis, overlapping and parallel layers of longitudinal collagen fiber bundles are observed, these layers are interspersed with fiber bundles crossing the sking surface (transversely), tying the fibers together and providing greater strength, which can be proven by the strength test. The fish leathers, despite having less thickness (1.0 mm), demonstrated significantly greater tensile strength (13.52 ± 1.86 N mm-2) and tear strength (53.85 ± 6.66 N mm-2) than rabbit leathers, that is, (8.98 ± 2.67 N mm-2) and (24.25 ± 4.34 N mm-2). However, rabbit leather demonstrated higher elasticity (109.97 ± 13.52%) compared to Nile tilapia leather (78.97 ± 8.40%). It can be concluded that although the rabbit leather is thicker due to the histological architecture of the dermis (thick bundles of collagen fibers arranged in all directions with no pattern of organization of collagen fibers), it shows less resistance than Nile tilapia leather, which demonstrates an organization of overlapping and parallel layers and intercalating collagen fiber bundles transversally to the surface, functioning as tendons for the swimming process. It is recommended to use a piece of fabric (lining) together with the fleshy side of the rabbit leather, to increase resistance when used in clothing and footwear, as these products require greater tensile strength. Thus, it minimizes this restriction for the use of rabbit leather in the aforementioned purposes.

Flavored Amazonic pirarucu (Arapaima giga) waste flour (salted and sweet) for inclusion in food products.

This study aimed to develop flavored flours (salty and sweet) from Amazonic pirarucu waste (Arapaima gigas), include them in extruded snacks, and evaluate the nutritional, physicochemical, microbiological, and acceptance characteristics of these products. A standard flour was elaborated with pirarucu carcass, which presented 54.42% of protein and 7.24% of lipids, and from this, flavored flours were elaborated (salty and sweet). The standard flour had higher levels of protein, calcium, and phosphorus; and the salted one had higher levels of lipids. The fatty acids present in greater quantities were oleic (average of 32.21%), linolenic (average of 20.74%), and palmitic (average of 17.81%). The flavored flours were better accepted than the standard flour, for all sensory attributes and purchase intention. The snacks with sweet flour, despite better results in the sensory attributes of color, aroma, and flavor, were the ones that presented the lowest content of protein and ash, when compared to those with inclusion of standard flour. It is concluded that the pirarucu waste can be used for producing flavored flours and extruded snacks, with the purpose of improved food products.

Effect of the addition of the probiotic Bifidobacterium animalis subsp. Lactis (BB-12) in free and microencapsulated form and the prebiotic inulin to synbiotic dry coppa.

The effect of the addition of the prebiotic inulin and free and microencapsulated Bifidobacterium animalis subsp. Lactis (BB-12) strains to synbiotic dry coppa formulations was evaluated during 45 days of ripening. The following formulations were made: control C without probiotic and prebiotic; PROB with free probiotic; SYNB with free probiotic and inulin; ENPROB with microencapsulated probiotic, and ENSYNB with microencapsulated probiotic and inulin. The incorporation of BB-12 with inulin provided adequate physicochemical characteristics (proximate composition, weight loss, pH, water activity (aw), and instrumental color). The treatments PRO and SYNB showed lower lipid and protein oxidation levels. The treatments PROB, SYNB, ENPROB, and ENSYNB had viable cell counts above 109 CFU/g and can be considered probiotic. In the in vitro gastrointestinal simulation, the BB-12 strain showed survival and growth capacity in saline solution and at low pH values for all treatments. The sample SYNB was the most accepted by the assessors in the sensory evaluation. Therefore, dry coppa can be used as a vehicle for the development of a synbiotic fermented meat product.

Pantanal yacare (Caiman yacare) tail fillets subjected to traditional hot smoking and liquid smoke.

BACKGROUND: The present study aimed to evaluate the effects of hot smoking and liquid smoke on process yield, physicochemical properties, microbiological parameters, fatty acid profile, benzo(a)pyrene levels, and sensory profile of Pantanal yacare tail fillets. The fillets were subjected to two types of smoking processes: hot smoking and liquid smoke flavoring. RESULTS: The process yield of liquid-smoked fillets was higher (69.8%) compared to hot-smoked fillets (58.0%). All fillets were with good microbiological quality and low benzo(a)pyrene levels and were well accepted by consumers. The hot-smoked fillets and the liquid-smoked fillets presented 456.2 and 589.7 g kg-1 moisture, 262.3 and 263.7 g kg-1 crude protein, 218 and 85 g kg-1 total lipids, and 26.0 and 20.9 g kg-1 ash, respectively. The major fatty acids identified in the smoked tail fillets were palmitic, stearic, oleic, and linoleic acids. CONCLUSION: The liquid-smoked fillets had lower lipid content, and higher process yield because of lower losses; thus, they proved to be more advantageous and practical to obtain than the hot-smoked fillets. © 2022 Society of Chemical Industry.

Calidad del sueño y experiencias afectivas durante la pandemia de COVID-19 en adultos residentes en el estado de Minas Gerais / Qualidade do sono e vivências afetivas de adultos residentes no estado de minas gerais durante a pandemia de covid-19 / Sleep quality and affective experiences of adults living in the state of minas gerais during the covid-19 pandemic

RESUMO Objetivos: verificar se a adesão à medida de distanciamento social e características sociodemográficas se associam com as alterações percebidas, durante a pandemia de COVID-19, na qualidade do sono e nas vivências afetivas de brasileiros residentes em Minas Gerais. Método: estudo transversal que analisou dados de questionário on-line aplicado a adultos e idosos residentes no estado de Minas Gerais. Foram estimadas prevalências e razões de prevalências, brutas e ajustadas, para as variáveis investigadas. Resultados: entre 35% e 55% dos respondentes referiram alterações nas vivências afetivas, como solidão, tristeza e ansiedade, e alterações do sono durante o período de isolamento social. Em geral, essas alterações foram mais frequentes entre aqueles que realizaram o isolamento de forma intensa ou total, indivíduos do sexo feminino e pessoas mais jovens. Conclusão: no presente estudo, foram observadas alterações importantes na qualidade de sono e nas vivências afetivas da população mineira, atingindo mais as pessoas do sexo feminino, pessoas mais jovens e que fizeram isolamento social intenso. É importante ofertar cuidados em saúde mental a fim de evitar os impactos negativos do distanciamento social em situações de pandemia.

RESUMEN Objetivos: verificar si la adherencia a la medida de distanciamiento social y las características sociodemográficas están asociadas a los cambios percibidos en la calidad del sueño y las experiencias afectivas de los brasileños residentes en Minas Gerais durante la pandemia de COVID-19. Método: estudio transversal que analizó datos de un cuestionario online aplicado a adultos y ancianos residentes en el estado de Minas Gerais. Se estimaron las prevalencias y las razones de prevalencia, brutas y ajustadas, de las variables investigadas. Resultados: entre el 35% y el 55% de los encuestados refieren alteraciones en las vivencias afectivas como soledad, tristeza, ansiedad, y alteraciones del sueño durante el período de aislamiento social. En general, estos cambios fueron más frecuentes entre los que estaban intensa o totalmente aislados, las mujeres y los individuos más jóvenes. Conclusión: en el presente estudio observamos alteraciones importantes en la calidad del sueño y en las vivencias afectivas de la población de Minas Gerais, afectando más al sexo femenino, a las personas más jóvenes y a las que habían estado en intenso aislamiento social. Es importante prestar atención a la salud mental para evitar los efectos negativos del distanciamiento social en situaciones de pandemia.

ABSTRACT Objectives: to verify whether adherence to the social distancing measure and sociodemographic characteristics are associated with perceived changes, during the COVID-19 pandemic, in sleep quality and affective experiences of Brazilians living in Minas Gerais. Method: a cross-sectional study that analyzed data from an online questionnaire applied to adults and older adults living in the state of Minas Gerais. Prevalence values and prevalence ratios, both adjusted and adjusted, were estimated for the variables investigated. Results: between 35% and 55% of the respondents reported changes in affective experiences, such as loneliness, sadness and anxiety, as well as changes in sleep during the social isolation period. In general, those alterations were more frequent among those who adhered to intense or total isolation, female individuals and younger people. Conclusion: in this study, important changes were observed in sleep quality and in the affective experiences of the population of Minas Gerais, affecting more females, younger people and individuals who adhered to intense social isolation. It is important to offer mental health care in order to avoid the negative impacts of social distancing in pandemic situations.

Tanned leather of the paiche Arapaima gigas Schinz, 1822 (Arapaimidae) with extracts of vegetable origin to replace chromium salts.

With the intensification of fish farming, the amount of residues also increased. One of the by-products generated is leather. However, several factors influence its quality, among them, the types of tanning used. Paiche (Arapaima gigas) is the largest freshwater fish in the world, and therefore has great potential in the use of leather, in addition to being one of the most cultivated fish in the Rondônia state. The aimed was to evaluate the physicomechanical resistance, histological and morphological aspects in different directions of the fibers of the paiche to evaluate the tanning with chromium oxide and vegetable tannin. Paiches with an average weight of 12.0 kg were used, skins were made and tanned using chromium and vegetable tannin as techniques. After tanning, 20 specimens were removed in longitudinal, transverse and diagonal directions to the fish body, to determine resistance in dynamometer and leather for histological analysis, scanning electron microscopy and physical-chemical analysis. The average thickness of the specimens of the leathers ranged 1.79mm to 2.82mm, in addition, there was no interaction between the type of tanning agent and the directions obtained for strength, traction and elongation. Regarding the progressive tearing test, there was also no interaction effect. However, the defined factors had relevant differences for the maximum and average amount applied, and the leathers tanned with vegetable tannin expanded to larger dimensions 110.19 and 85.52 N. According to the images obtained by histology and scanning microscopy, they presented that in the longitudinal and transverse direction the collagen fibers are presented in layers parallel to the leather surface and in the diagonal direction the interlacing is more intense, that is, in addition to the overlapping layers intercalated thinner, close to the surface, fiber bundles can also be seen crossing each other. It is concluded that leathers tanned with vegetable tannin have less resistance than leathers tanned with chromium salts for traction to rupture and greater resistance to tear.

Computer-aided design and computer-aided manufacturer indirect versus direct composite restorations: A randomized clinical trial.

OBJECTIVE: This study compared the clinical performance of large indirect restorations (IRs) versus direct restorations (DRs) in posterior teeth. METHODS: Thirty subjects received two class II restorations (n = 60), one fabricated from a precured composite block (Grandio Blocs, VOCO) for the indirect technique (IT) and the other with light-cured composite (GrandioSO, VOCO) for the direct technique (DT). For IT, the restoration was created using the computer-aided design and computer-aided manufacturer (CAD/CAM) system. For DT, the material was applied light-cured by using a layering technique. All restorations were evaluated by using the World Dental Federation criteria. RESULTS: Twenty-three subjects attended the 2-year recall, and 46 restorations were evaluated. No significant differences were detected between the techniques for most parameters analyzed (p > 0.05). For "color match" at 7 days and 6 months, better results were observed for the DT. In relation to the overall scores, all restorations were esthetically acceptable after 2 years, while 93.3% of DT and 90% of IT showed acceptable function. For biological scores, 96.67% of DRs and 100% of IRs was acceptable after 24 months. Considering all properties, the success rates were 93.3% for DRs and 90% for IRs. CONCLUSIONS: After 2 years, both restorations presented similar and good clinical behavior for all the properties analyzed. CLINICAL SIGNIFICANCE: Light-cured direct posterior composite restorations may perform similarly to indirect composite restorations made with precured CAD/CAM composite blocks up to 2 years.

Physicochemical and sensory evaluation of mortadella based on Nile tilapia filleting residues / Avaliação físico-química e sensorial de mortadelas a base de resíduos da filetagem de tilápia do Nilo

ABSTRACT: The objective of this research was to elaborate and characterize mortadella using fillet residues ('V'-cut fillet trim) of Nile tilapia, in order to add value to this by-product of the filleting process. Three mortadellas were made, one with 100% tilapia fillet trimmings, another containing 100% chicken meat and the third with 100% pork meat. Mortadellae were characterized in terms of microbiology, chemical composition, calcium, collagen, pH, Aw, colour, texture and formulation cost. Mortadella was within the recommended microbiological standards. Tilapia mortadella had higher levels of moisture, ash, calcium and collagen, higher pH and lower water activity when compared to other species. The tilapia mortadella had lower brightness, higher chroma a * and intermediate chroma b *, compared with the others. The texture of tilapia mortadella was better in terms of hardness, gumminess and chewability, the values ​​of which were lower. The chicken mortadella had a higher acceptance rate; however, that of tilapia was also high, while all evaluated attributes of pork received the worst grades. Nile tilapia mortadella is a technological innovation that can be introduced into the food sector with good nutritional value and a good acceptance index.

RESUMO: O objetivo deste trabalho foi elaborar e caracterizar mortadelas a partir de aparas da filetagem (corte em "V" do filé) de tilápia do Nilo, de forma a possibilitar a agregação de valor a este subproduto do processo de filetagem. Foram elaboradas três mortadelas, sendo uma com 100% de aparas da filetagem de tilápia, outra contendo 100% de carne de frango e a terceira com 100% de carne suína. As mortadelas foram caracterizadas quanto à microbiologia, composição química, cálcio, colágeno, pH, Aw, cor, textura e custo de formulação. As mortadelas estavam dentro dos padrões microbiológicos recomendados. A mortadela de tilápia apresentou maiores teores de umidade, cinzas, cálcio e colágeno, maior pH e menor atividade de água quando comparada às demais espécies. A mortadela de tilápia apresentou menor luminosidade, maior croma a* e croma b* intermediário às demais. A textura foi melhor para as mortadelas de tilápia, quanto a dureza, gomosidade e mastigabilidade, cujos valores foram menores. A mortadela de frango teve maior índice de aceitação, porém, a de tilápia também foi elevado, enquanto de suíno todos os atributos avaliados receberam as piores notas. A mortadela de tilápia do Nilo é uma inovação tecnológica que pode ser introduzida no setor alimentício com bom valor nutricional e bom índice de aceitação.

Avaliação das propriedades físicas e biológicas de materiais restauradores bioativos / Bioactive restorative materials: physical and biological evaluation

Materiais restauradores denominados bioativos se propõem a auxiliar no equilíbrio biodinâmico entre os dentes e a saliva. O objetivo deste estudo, portanto, foi avaliar quatro desses materiais quanto à: adesão bacteriana e microdureza do esmalte adjacente a restaurações realizadas com esses materiais quando submetidos ao desafio cariogênico. Para a adesão bacteriana foram confeccionados 10 espécimes padronizados de cada material restaurador que foram expostos em uma cepa padrão de Streptococcus mutans (UA 159). Depois da incubação foi determinado o número de unidades formadoras de colônia (UFC/mL). Para a avaliação da microdureza foram utilizados 91 incisivos bovinos distribuídos em 7 grupos (n=13): 2 grupos controle; ES, esmalte hígido sem ciclagem de pH e EC, esmalte com ciclagem de pH e 5 grupos com preparos padronizados de classe V na superfície do esmalte vestibular, restaurados com dos materiais selecionados: AB, ActivaBioactive (Pulpdent); BB, Beautifil Bulk (Shofu); CN, Cention N (Ivoclar Vivadent); EF, Equia Forte (GC) e FB, Filtek Bulk Fill (3M ESPE). A microdureza das superfícies do esmalte foi medida em um microdurômetro acoplado a um software para análise de imagem. Os resultados foram submetidos aos testes ANOVA e Tukey (5%). Para a adesão bacteriana os resultados demonstraram que não houve diferença estatística entre a resina composta convencional Filtek Bulk (10,58 ± 0,04) e os materiais bioativos Activa Bioactive (10,19 ± 0,08) e Cention N (10,16 ± 0,12). No entanto, pôde ser observado que esses materiais apresentaram diferença significativa com relação aos materiais Beautifil Bulk (9,66 ± 0,09) e Equia Forte (7,75 ± 1,27); que apresentou a menor adesão bacteriana. A análise dos dados de microdureza mostrou diferença entre tratamento e tempo (p<0,001) e na interação entre esses dois fatores. Os grupos: esmalte ciclado (77,89 ± 45,19) e resina composta Filtek Bulk (121,32 ± 43,53) apresentaram os menores valores de microdureza, seguido do grupo Beautifil Bulk (155,33 ± 57,35), diferindo significativamente dos demais grupos. Os resultados permitiram concluir que os materiais bioativos apresentaram interferência na adesão bacteriana, com a menor adesão proporcionada pelo cimento de ionômero de vidro; e também que, materiais que apresentam em sua composição íons que interagem com a estrutura dental melhoram a microdureza do esmalte adjacente às restaurações(AU)

Bioactive restorative materials are intended to aid the biodynamic balance between teeth and saliva. The objective of this study was to evaluate four of these materials for bacterial adhesion and microhardness of the enamel adjacent to restorations with them, when submitted to cariogenic challenge. For bacterial adhesion, 10 standardized specimens of each restorative material were prepared and exposed in a standard strain of Streptococcus mutans (UA 159). After incubation, the number of colony forming units (CFU / mL) was determined. To evaluate the microhardness, 91 bovine incisors were distributed in 7 groups (n = 13): 2 control groups; ES, enamel without pH cycling and EC, enamel with pH cycling and 5 groups that received standardized class V preparations on the buccal enamel surface restored with one of the selected materials: AB, ActivaBioactive (Pulpdent); BB, Beautifil Bulk (Shofu); CN, Cention N (Ivoclar Vivadent); EF, Equia Forte (GC) and, FB, Filtek Bulk Fill (3M ESPE). Enamel surfaces microhardness was measured in a microdurometer coupled to software for image analysis. The results were submitted to ANOVA and Tukey tests (5%). For bacterial adhesion the results showed that there was no statistical difference between the composite resin Filtek Bulk (10,58 ± 0,04) and the bioactive materials, Activa Bioactive (10,19 ± 0,08) and Cention N (10,16 ± 0,12). However, it was observed that these materials presented significant difference in relation to Beautifil Bulk (9,66 ± 0,09) and Equia Forte (7,75 ± 1,27); which presented the lowest bacterial adhesion. The analysis of microhardness data showed a difference between treatment and time (p <0.001) and in the interaction of these two factors. The groups: pH cycled enamel (77,89 ± 45,19) and Filtek Bulk resin (121,32 ± 43,53) presented the lowest microhardness values, followed by the Beautifil Bulk group (155,33 ± 57,35), differing significantly from the other groups. The results allowed to conclude that the bioactive materials interfered in the bacterial adhesion, with the lower adhesion provided by the glass ionomer cement; and also that, materials with ions that interact with the dental structure in their composition improve the microhardness of the enamel adjacent to the restorations(AU)

Long-term effects of competition and environmental drivers on the growth of the endangered coral Mussismilia braziliensis (Verril, 1867).

Most coral reefs have recently experienced acute changes in benthic community structure, generally involving dominance shifts from slow-growing hard corals to fast-growing benthic invertebrates and fleshy photosynthesizers. Besides overfishing, increased nutrification and sedimentation are important drivers of this process, which is well documented at landscape scales in the Caribbean and in the Indo-Pacific. However, small-scale processes that occur at the level of individual organisms remain poorly explored. In addition, the generality of coral reef decline models still needs to be verified on the vast realm of turbid-zone reefs. Here, we documented the outcome of interactions between an endangered Brazilian-endemic coral (Mussismilia braziliensis) and its most abundant contacting organisms (turf, cyanobacteria, corals, crustose coralline algae and foliose macroalgae). Our study was based on a long (2006-2016) series of high resolution data (fixed photoquadrats) acquired along a cross-shelf gradient that includes coastal unprotected reefs and offshore protected sites. The study region (Abrolhos Bank) comprises the largest and richest coralline complex in the South Atlantic, and a foremost example of a turbid-zone reef system with low diversity and expressive coral cover. Coral growth was significantly different between reefs. Coral-algae contacts predominated inshore, while cyanobacteria and turf contacts dominated offshore. An overall trend in positive coral growth was detected from 2009 onward in the inshore reef, whereas retraction in live coral tissue was observed offshore during this period. Turbidity (+) and cyanobacteria (-) were the best predictors of coral growth. Complimentary incubation experiments, in which treatments of Symbiodinium spp. from M. braziliensis colonies were subjected to cyanobacterial exudates, showed a negative effect of the exudate on the symbionts, demonstrating that cyanobacteria play an important role in coral tissue necrosis. Negative effects of cyanobacteria on living coral tissue may remain undetected from percent cover estimates gathered at larger spatial scales, as these ephemeral organisms tend to be rapidly replaced by longer-living macroalgae, or complex turf-like consortia. The cross-shelf trend of decreasing turbidity and macroalgae abundance suggests either a direct positive effect of turbidity on coral growth, or an indirect effect related to the higher inshore cover of foliose macroalgae, constraining cyanobacterial abundance. It is unclear whether the higher inshore macroalgal abundance (10-20% of reef cover) is a stable phase related to a long-standing high turbidity background, or a contemporary response to anthropogenic stress. Our results challenge the idea that high macroalgal cover is always associated with compromised coral health, as the baselines for turbid zone reefs may derive sharply from those of coral-dominated reefs that dwell under oligotrophic conditions.

Effect of different periods of pre-slaughter stress on the quality of the Nile tilapia meat

Abstract The study was carried out with the objective of evaluating the influence of pre-slaughter stress on meat quality of Nile tilapia (O. niloticus) for 10 days of storage in ice. 75 whole fish were used eviscerated, with average weight and length of 825.75 ± 101.59 g and 28.25 ± 0.81 cm, respectively. The treatments consisted of time in which the animals underwent pre-slaughter hypoxia, being 0, 3 and 6 minutes. Rigor mortis and muscle pH were assessed besides the application of the Quality Index Method and analysis of total protein and blood glucose. Rigor mortis did not differ among treatments during the storage period, and after three hours all animals were in rigor stage. The muscle pH values varied widely during the study period, observing higher values on the third day of storage. Sensory analysis showed that after 10 days the tilapia from the different treatments did not differ in the evaluated quality parameters similarly, there was no difference regarding the evaluated blood biochemical parameters Thus, hypoxia of 6 minutes pre-slaughter does not influence the rigor mortis, muscle pH, qualitative perception of the meat quality, total protein and blood glucose of Nile tilapia.