Abstract In this study, we determined the nutritional and functional characteristics of cookies supplemented with chichá almond, gurguéia nut, and soursop residue using two developed cookie formulations and one standard formulation. Acceptance and purchase intention were evaluated. As the chichá almond 6 and gurguéia nut 2 formulations were sensorially viable, descriptive quantitative analysis, centesimal composition and caloric value, mineral levels, microbiological quality, bioactive compound levels, and antioxidant capacity were evaluated. In the hedonic scale test of the standard cookie, the chichá almond-6 and gurguéia nut-2 cookies obtained scores above 7 (“I liked it”) from 86.18%, 96.35%, and 93% of the evaluators, and 70.79%, 94.36%, and 83.2% of them said they would purchase the product, showing a statistically significant difference between formulations. The chichá almond 6 cookie presented higher ash, protein, lipid, copper, phosphorus, magnesium, potassium, selenium, and zinc levels, and lower carbohydrate levels and total energy values, as well as a higher total phenolic compound, total flavonoid, and condensed tannin levels. The gurguéia nut 2 cookie showed higher vitamin C and antioxidant activity. The use of residue and Cerrado fruit flour proved to be viable in cookie production, conveying sensorially desirable, nutritional, and functional characteristics.

ABSTRACT The objective of this study was to analyze the chemical composition and bioaccessibility of phenolic compounds as well as their antioxidant capabilities of organic peppermint leaves after each phase of simulated digestion. Moisture was determined until a constant weight was obtained in an oven at 105 °C; ash was determined after sample calcination in a muffle furnace at 550 °C. The protein concentration was determined by the Macro-Kjeldahl method and lipid content by hot-extraction in a Soxhlet apparatus. Carbohydrates were calculated from differences and energy values based on the Atwater conversion factors. Total phenolic, flavonoid content, and antioxidant activity were determined by spectrophotometry. A four-step procedure was used for in vitro digestion. Organic peppermint was found to contain the following: 78% moisture, 1.7% ash, 1.5% lipids, 0.3% proteins, 17.7% carbohydrates, and a total of 85.5 kcal/100 g. Values of 705 mg GAE/100 g of phenolic, 918 mg QE/100 g of flavonoids, and 58.8 mg/g of vitamin C were also measured. It was discovered that total phenolics had the highest bioaccessible fraction relative to flavonoids; the salivary phase was identified as that with the highest release of these compounds and thus the phase in which peppermint showed significant antioxidant activity (1509 μmol TEAC/100g). This study demonstrated that organic peppermint has a high content of phenolic compounds that can be extracted from the alimentary matrix in the salivary and intestinal phases of the digestive system. Because of the antioxidant activity of these compounds, the use of this aromatic plant as seasonings and spices is relevant.

RESUMEN El objetivo de este estudio fue analizar la composición química de hojas de menta orgánica y la bioaccesibilidad de los compuestos fenólicos así como su capacidad antioxidante. Se determinó la humedad hasta obtener un peso constante en el horno a 105 °C, la ceniza se determinó en un horno de mufla a 550 °C. La concentración de proteína se determinó mediante el método Macro-Kjeldahl y los lípidos mediante extracción en un aparato Soxhlet. Los carbohidratos se calcularon por diferencia y energía basadas en los factores de conversión de Atwater. El contenido fenólico y la actividad antioxidante se determinaron por espectrofotometría. Se usó un procedimiento de cuatro pasos para la digestión in vitro. La menta orgánica contiene 78% de humedad, 1,7% de cenizas, 1,5% de lípidos, 0,3% de proteínas, 17,7% de carbohidratos y 85,5 kcal/100 g. También se midieron valores de 705 mg GAE/100g de fenólico, 918 mg QE/100 g de flavonoides y 58,8 mg/g de vitamina C. Se descubrió que los fenólicos tenían la fracción bioaccesible más alta en relación con los flavonoides; la fase salival se identificó como aquella con la mayor liberación de estos compuestos y, por lo tanto, la menta mostró una actividad antioxidante significativa (1509 μmol de TEAC/100 g). La menta orgánica tiene un alto contenido de fenólicos que se pueden extraer en las fases salival e intestinal. Debido a la actividad antioxidante de estos compuestos, el uso de esta planta como condimentos y especias es relevante.

RESUMO Este trabalho objetivou elaborar barra de cereal adicionada de farinha integral de feijão-caupi, castanha de caju e banana passa e avaliar sua aceitação e composição química. Foram desenvolvidas três formulações, B1 com 5,25% de feijão-caupi, B2 7,5% e B3 com 15%. Os atributos sensoriais foram avaliados por 10 provadores treinados utilizando escala hedônica. Após este teste, duas formulações foram analisadas por 100 provadores não treinados utilizando os testes de comparação múltipla, comparação pareada e intenção de compra. A umidade foi determinada por secagem em estufa e as cinzas após calcinação das amostras em forno mufla. O teor de proteínas foi obtido pelo método de Macro-Kjeldahl e o de lipídeos por extração a quente em aparelho de Soxhlet. Os carboidratos foram determinados por diferença e os minerais pela técnica de espectrometria de emissão atômica com fonte de plasma indutivamente acoplado. Após teste com a equipe treinada, observou-se que a barra B3 recebeu a menor média em relação ao sabor. Com os provadores não treinados, verificou-se que as barras B1 e B2 são viáveis comercialmente e não apresentaram diferença na comparação pareada. O aumento de feijão-caupi promoveu um incremento nos teores de cinzas, lipídeos e proteínas. A barra B2 apresentou maior teor de cinzas, lipídeos e proteínas e a menor quantidade de carboidratos e umidade. As barras se apresentaram como fontes de ferro, fósforo, magnésio e zinco e com alto conteúdo de cobre e manganês. Concluiu-se que a barra de cereal elaborada contém alto teor de nutrientes e apresenta viabilidade sensorial.

ABSTRACT This work aimed to elaborate a cereal bar with whole cowpea flour, cashew nuts and bananas raisin and evaluate their acceptance and chemical composition. Three formulations were developed, B1 with 5.25% cowpea, B2 7.5% and B3 with 15%. Sensory attributes were assessed by 10 trained tasters using a hedonic scale. Two formulations were analyzed by 100 untrained tasters using the multiple comparison, paired comparison and purchase intention tests. The humidity was determined by drying in an oven and the ashes after calcination of the samples in a muffle furnace. The protein content was obtained by the Macro-Kjeldahl method and the lipid content by hot extraction in a Soxhlet apparatus. Carbohydrates were determined by difference and minerals by the technique of atomic emission spectrometry with inductively coupled plasma source. After testing with the trained team, it was observed that the B3 bar received the lowest average in relation to flavor. With untrained tasters, it was found that bars B1 and B2 are commercially viable and showed no difference in the paired comparison. The increase in cowpea promoted an increase in the levels of ash, lipids and proteins. Bar B2 showed the highest content of ash, lipids and proteins and the lowest amount of carbohydrates and moisture. The bars presented themselves as sources of iron, phosphorus, magnesium and zinc and with a high content of copper and manganese. It is concluded that the elaborated cereal bar contains high nutrients content and has sensory viability.

Abstract Lettuce is a vegetable most consumed and produced on a large scale in the world, it deserves special attention for its nutritional and functional value. Cultivated in the conventional, hydroponic and organic method, it presents different characteristics in production, which may influence the composition of this vegetable. It is indisputable that regular consumption of vegetables is beneficial due to the presence of bioactive compounds with antioxidant properties that protect and promote human health. In this study, the total phenolic compound, flavonoid, and tannin contents, as well as the antioxidant activities of lettuce samples from conventional, hydroponic, and conventional cultivars were analyzed. An extract was prepared using 80% acetone. The contents of total phenolic compounds, flavonoids, and tannins were determined. The antioxidant activity was determined by the radical capture method using DPPH. It was observed that the organic cultivation system had the highest values of ash, protein, total phenolic compounds, flavonoids and antioxidant activity, followed by the hydroponic system. The organic system presented greater protein content and higher content of bioactive compounds, justifying the high antioxidant activity. Therefore, the organic farming system favors the highest concentration in the content of bioactive compounds and antioxidant activity.

RESUMO O presente trabalho objetivou avaliar os teores de compostos fenólicos totais, flavonoides totais e atividade antioxidante, bem como identificar e quantificar os ácidos fenólicos antes e após a digestão gastrointestinal simulada in vitro, em grãos crus e cozidos de feijão-caupi, das cultivares biofortificadas BRS Aracê e BRS Tumucumaque. Os grãos crus foram analisados na forma de farinha e os grãos cozidos foram analisados após maceração, antes e após a cocção e nas fases do processo digestivo. Analisou-se os conteúdos de compostos fenólicos totais pelo método espectrofotométrico, utilizando o reagente Folin-Ciocalteu, e flavonoides totais utilizando método espectrofotométrico com a quercetina como padrão. Avaliou-se a atividade antioxidante pelo método de captura dos radicais livres ABTS (ácido 2,2'-azino-bis (3-etilbenzotiazolino-6-sulfônico) e FRAP (Ferric Reducing Antioxidant Power). Pesquisaram-se oito ácidos fenólicos, e a identificação e quantificação foi realizada por cromatografia líquida de alta eficiência (CLAE). O conteúdo de compostos fenólicos totais e a atividade antioxidante foram reduzidos durante a cocção, mas aumentaram com a digestão simulada in vitro, devido à liberação de formas ligadas. Após a ação das enzimas digestivas, houve diferença no comportamento das cultivares cruas e cozidas. Os ácidos fenólicos sofreram degradação sob condições gastrointestinais, mas as cultivares analisadas mantiveram compostos com relevante bioatividade (grão cru - ácidos gálico, cafeico e p-cumárico; grão cozido - ácidos gálico e cafeico) e atividade antioxidante, que podem auxiliar na proteção contra doenças crônicas não transmissíveis, demonstrando que feijão-caupi é um alimento fonte de antioxidantes naturais bioacessíveis.

ABSTRACT The present work aimed to evaluate the contents of total phenolic compounds, total flavonoids and antioxidant activity, as well as to identify and quantify phenolic acids before and after simulated gastrointestinal digestion in vitro, in raw and cooked cowpea grains, of biofortified cultivars BRS Aracê and BRS Tumucumaque. The raw grains were analyzed as flour and the cooked grains were analyzed after maceration, before and after cooking and in the stages of the digestive process. The contents of total phenolic compounds were analyzed by the spectrophotometric method, using the reagent Folin-Ciocalteu, and total flavonoids using a spectrophotometric method with quercetin as standard. The antioxidant activity was evaluated using the free radical capture method ABTS (2,2'-azino-bis (3-ethylbenzothiazolino-6-sulfonic acid) and FRAP (Ferric Reducing Antioxidant Power). Eight phenolic acids were investigated, and the identification and quantification was performed by high performance liquid chromatography (HPLC), the content of total phenolic compounds and the antioxidant activity were reduced during cooking, but increased with simulated digestion in vitro, due to the release of bound forms. action of digestive enzymes, there was a difference in the behavior of the raw and cooked cultivars.The phenolic acids suffered degradation under gastrointestinal conditions, but the cultivars analyzed maintained compounds with relevant bioactivity (raw grain - gallic, caffeic and p-cumáric acids; cooked grain - acids and caffeine) and antioxidant activity, which can help protect against chronic non-communicable diseases, demonstrating that cowpea is a common food bioaccessible natural antioxidants.

RESUMO: Objetivo: Analisar fatores escolares, sociodemográficos, nutricionais e de percepção corporal e comportamental associados à vitimização por bullying entre estudantes brasileiros com idade de 13 a 17 anos. Métodos: Trata-se de um estudo transversal com base nos dados da amostra 2 da Pesquisa Nacional de Saúde do Escolar 2015. A amostra do presente estudo é composta de 10.699 adolescentes de escolas de cada grande região do país. Resultados: A prevalência de vitimização por bullying foi de 6,2%, com maiores chances de vitimização em adolescentes que praticam bullying (razão de chances - OR = 1,91, intervalo de confiança de 95% - IC95% 1,48 - 2,45), com idade de 13 anos (OR = 1,76, IC95% 1,04 - 2,97), que se consideram gordos (OR = 1,45, IC95% 1,06 - 1,98) e não são bem tratados na escola pelos colegas (OR = 2,78, IC95% 2,17 - 3,45). Conclusão: Esforços preventivos que incluam programas de incentivo ao maior suporte social entre os estudantes e a implementação de práticas que reforcem o respeito às diferenças e peculiaridades dos alunos podem contribuir para a redução da vitimização por bullying.

ABSTRACT: Objective: To analyze sociodemographic, school, nutritional, and behavioral factors and body perception associated with being bullied in Brazilian students aged 13 to 17 years old. Methods: This was a cross-sectional study based on data from sample 2 of the 2015 Brazilian School Health Survey. The sample for this study was composed of 10,699 teenagers from schools in each of the largest regions of Brazil. Results: The prevalence of being bullied was 6.2%, with the highest chance of in teens who bully others (OR = 1.91 95%CI 1.48 - 2.45), who are 13 years old (OR = 1.76, 95%CI 1.04 - 2.97), who consider themselves fat (OR = 1.45, 95%CI 1.06 - 1.98) and who are not treated well by their schoolmates (OR = 2.78, 95%CI 2.17 - 3.45). Conclusion: Preventive efforts that include programs to encourage greater social support among students, as well as the implementation of practices that encourage respect for students’ differences and singularities can contribute to reducing bullying practices.

RESUMO: Objetivo: Analisar fatores escolares, sociodemográficos, nutricionais e de percepção corporal e comportamental associados à vitimização por bullying entre estudantes brasileiros com idade de 13 a 17 anos. Métodos: Trata-se de um estudo transversal com base nos dados da amostra 2 da Pesquisa Nacional de Saúde do Escolar 2015. A amostra do presente estudo é composta de 10.699 adolescentes de escolas de cada grande região do país. Resultados: A prevalência de vitimização por bullying foi de 6,2%, com maiores chances de vitimização em adolescentes que praticam bullying (razão de chances - OR = 1,91, intervalo de confiança de 95% - IC95% 1,48 - 2,45), com idade de 13 anos (OR = 1,76, IC95% 1,04 - 2,97), que se consideram gordos (OR = 1,45, IC95% 1,06 - 1,98) e não são bem tratados na escola pelos colegas (OR = 2,78, IC95% 2,17 - 3,45). Conclusão: Esforços preventivos que incluam programas de incentivo ao maior suporte social entre os estudantes e a implementação de práticas que reforcem o respeito às diferenças e peculiaridades dos alunos podem contribuir para a redução da vitimização por bullying.

ABSTRACT: Objective: To analyze sociodemographic, school, nutritional, and behavioral factors and body perception associated with being bullied in Brazilian students aged 13 to 17 years old. Methods: This was a cross-sectional study based on data from sample 2 of the 2015 Brazilian School Health Survey. The sample for this study was composed of 10,699 teenagers from schools in each of the largest regions of Brazil. Results: The prevalence of being bullied was 6.2%, with the highest chance of in teens who bully others (OR = 1.91 95%CI 1.48 - 2.45), who are 13 years old (OR = 1.76, 95%CI 1.04 - 2.97), who consider themselves fat (OR = 1.45, 95%CI 1.06 - 1.98) and who are not treated well by their schoolmates (OR = 2.78, 95%CI 2.17 - 3.45). Conclusion: Preventive efforts that include programs to encourage greater social support among students, as well as the implementation of practices that encourage respect for students’ differences and singularities can contribute to reducing bullying practices.

Resumo Introdução A síndrome metabólica é uma desordem multifatorial relacionada, principalmente, com a deposição de gordura abdominal e as alterações da homeostase da glicose e/ou resistência à insulina. Estudos demonstram associações entre o excesso de peso na infância e as taxas de morbimortalidade elevadas na vida adulta; portanto, a presença de alterações metabólicas na infância e/ou na adolescência pode contribuir para um perfil de saúde desfavorável ao futuro dos indivíduos. Objetivo Determinar a prevalência de síndrome metabólica e verificar sua associação com estado nutricional em adolescentes. Método Estudo transversal com adolescentes entre 14 e 19 anos de escolas públicas e particulares. Realizou-se avaliação antropométrica, incluindo o índice de massa corporal e o perímetro da cintura, e foram determinados os parâmetros bioquímicos e a pressão arterial. Para o diagnóstico da síndrome metabólica, utilizou-se de critérios da National Cholesterol Education Program’s Adult Treatment Panel III (NCEP/ATP III). As características antropométricas e bioquímicas foram expressas como média e desvios-padrão e comparadas entre os sexos pelo teste t de Student, enquanto, para análise de risco, utilizou-se da regressão logística binária. Resultados Dos 327 adolescentes investigados, 59,9% eram meninas e 65,7% estudavam em escola pública. A prevalência de síndrome metabólica foi de 7%, enquanto a presença de pelo menos um critério diagnóstico da síndrome esteve presente em 90,8% da amostra. Ainda, observou-se associação significativa entre a obesidade e a síndrome metabólica, apontando um maior risco. Conclusão Os adolescentes tiveram uma importante prevalência de síndrome metabólica, apresentando precocemente componentes dessa patologia. Além disso, foi observada associação com a obesidade, evidenciando um maior risco para aqueles que possuem essa condição; portanto, intervenções nutricionais direcionadas à população jovem devem ser promovidas no intuito de melhorar os hábitos alimentares e o estilo de vida.

Abstract Background Metabolic syndrome is a multifactorial disorder mainly related to abdominal fat deposition and changes in glucose homeostasis and / or insulin resistance. Studies show associations between childhood overweight and high morbidity and mortality rates in adulthood, so the presence of metabolic changes in childhood and / or adolescence may contribute to an unfavorable health profile to the future health of individuals. Objective To determine the prevalence of metabolic syndrome and to check its association with nutritional status in adolescents. Method Cross-sectional study with adolescents from public and private schools with ages ranging from 14 to 19 years was carried out. It was performed an anthropometric assessment, including the determination of Body Mass Index and Waist Circumference, besides that the determination of biochemical parameters and blood pressure was also collected. In order to diagnose Metabolic Syndrome, it was used the National Cholesterol Education Program’s Adult Treatment Panel III (NCEP/ATP III) criteria. The anthropometric and biochemical characteristics were expressed as average and standard deviations, and compared between the genders by the Student’s t-test, while for the analysis of risk was used binary logistic regression. Results Of total 327 interviewed adolescents, 59.9% of them were female, 65.7% were studying in public schools. The prevalence of metabolic syndrome was 7%, while the presence of at least one diagnostic criterion of this syndrome was present in 90.8% of the sample. Moreover, obesity was significantly associated with metabolic syndrome, indicating a greater risk. Conclusion Adolescents have a high prevalence of metabolic syndrome, showing early components of this pathology, which is still associated with obesity, highlighting a greater risk for those who present this condition. Therefore, nutritional interventions directed at the young population should be promoted, with the purpose of improving eating habits and lifestyle.

ABSTRACT Cheese bread presents great acceptance and market expansion. Due to the lack of standardization in its manufacturing, various ingredients can be added. It was aimed to determine the content of minerals, bioactive compounds and antioxidant activity in cheese bread enriched with biofortified cowpea. Two formulations were prepared, standard cheese bread (without cowpea) and enriched cheese bread. The minerals were analyzed using the plasma emission spectrometry technique with inductive coupling, phenolic compounds and antioxidant activity were determined by spectrophotometry and the amines by High Performance Liquid Chromatography. All analyzes were performed in triplicate and for the comparison of the means between two variables, Student's t-test was applied and for multiple comparisons, the Tukey test. It was observed that the enriched cheese bread is source of copper, zinc and sodium and presents high content of calcium, phosphorus and magnesium, considering the recommendations for the children's audience. The concentrations of total phenolics, flavonoids and condensed tannins increased significantly with the introduction of cowpea. It was also observed an significant increase of spermidine, cadaverine and agmatine. The antioxidant activity was statistically higher in enriched cheese bread. It is concluded, therefore, that cheese bread with cowpea contributes to the supply of minerals and bioactive compounds.

Resumo Objetivou-se com o presente estudo determinar o teor de compostos bioativos e atividade antioxidante presentes nos frutos de três espécies vegetais do Cerrado Brasileiro: carnaúba (Copernicia prunifera (Mill.) H.E. Moore), murici (Byrsonima crassifolia L. Rich) e oiti (Licania tomentosa (Benth.) Fritsch). Entre os frutos analisados, o fruto oitiapresentou maior conteúdo de fenólicos totais (1236,42 ± 34,06 mg EAG 100 g-1), seguido do murici (468,90 ± 27,30 mg EAG 100 g-1) e do côco da carnaúba (314,44 ± 9,50 mg EAG 100 g-1). Quanto à atividade antioxidante, o murici apresentou 4350,31 ± 1,85 µmol TEAC.100 g-1 e o oiti que apresentou 14721,69 ± 0,85 µmol TEAC.100 g-1. Foi verificado também um elevado conteúdo de antocianinas no côco da carnaúba (9,35 ± 0,00 mg-cy-3-glu.100 g-1) e elevado conteúdo de carotenoides (20,0 ± 1,23 mg-ß-carot.100 g-1) e vitamina C (58,60 ± 1,32 mg.100 g-1) no murici. Os dados obtidos somam informações ao conhecimento atual sobre as características nutricionais e funcionais de frutos do Cerrado Brasileiro ainda pouco explorados, como os analisados, que apresentaram elevado conteúdo de compostos bioativos e atividade antioxidante.

Abstract The aim of this study was to determine the content of bioactive compounds and antioxidant activity present in three fruit species from the Brazilian Cerrado: carnauba (Copernicia prunifera (Mill.) H.E. Moore), murici (Byrsonima crassifolia L. Rich)and oiti (Licania tomentosa (Benth) Fritsch). Among analyzed fruits, oiti showed the highest total phenolic content (1236.42 ± 34.06 mg GAE 100 g-1) followed by murici (468.90 ± 27.30 mg GAE 100 g-1) and carnauba (314.44 ± 9.50 mg GAE 100 g-1). Regarding the antioxidant activity, murici showed 4350.31 ± 1.85 µmol TEAC.100 g-1 and oiti showed 14721.69 ± 0.85 µmol TEAC.100 g-1. In addition, high content of anthocyanins was verified in carnauba (9.35 ± 0.00 mg-cy-3-glu.100 g-1), as well as carotenoids (20.0 ± 1.23 mg-ß-carot.100 g-1) and vitamin C (58.60 ± 1.32 mg.100 g-1) in murici. In conclusion, data obtained add valuable information to the current knowledge on the nutritional and functional features of fruits from the Brazilian Cerrado that have been scarcely explored, such as those analyzed, which showed high content of bioactive compounds and antioxidant activity.

RESUMO A produção de farinha por meio da moagem é uma alternativa para o processamento do feijão-caupi, na busca de um produto com maior valor agregado. Objetivou-se determinar a composição química, a granulometria e avaliar microbiologicamente farinhas integrais de cinco cultivares (BRS Cauamé, BRS Guariba, BRS Xiquexique, BRS Novaera e BRS Itaim) comerciais de feijão-caupi. Para a obtenção das farinhas procedeu-se a secagem dos grãos em estufa (marca Fanem, modelo 320-SE) a 50 °C, por 6 horas; com posterior moagem, primeiramente em moinho de facas tipo ciclone (marca Tecnal, modelo TE-651/2) e posteriormente, em moinho semi-industrial tipo pulverizador (marca Fritsch, modelo Pulverisette 14). Analisaram-se a composição centesimal, o valor energético total, o conteúdo mineral, a granulometria, as características microbiológicas, e as tecnológicas quanto a absorção e solubilidade em água das farinhas. As análises foram realizadas em triplicata e os resultados expressos em média ± desvio padrão. As médias foram comparadas pelo teste de Scott-Knott (p≤0,05). Os valores encontrados para composição centesimal foram: umidade entre 7,13 a 10,33 g/100g; cinzas de 2,06 a 3,65 g/100g; lipídios variaram de 1,53 g a 2,90 g/100g; proteínas entre 21,73 a 25,77 g/100g e o conteúdo de carboidratos variou de 58,08 a 64,02 g/100g. As farinhas ofertaram em média 359,04 Kcal/100g e apresentaram elevado teor de ferro, zinco, cobre, manganês, fósforo e magnésio, sendo as das cultivares BRS Cauamé e BRS Xiquexique fontes de cálcio. Sob o aspecto microbiológico as farinhas apresentaram-se inócuas. Os valores de IAA variaram de 1,77 a 2,20 g/g e ISA de 17 a 23%. Concluiu-se que todas as farinhas apresentaram bom perfil nutritivo, tecnológico e microbiológico, apresentando, portanto potencial para utilização no desenvolvimento de produtos de panificação.

ABSTRACT Flour production through milling is an alternative for the cowpea processing, when the aim is to obtain a product with higher added value. The objective of this work was to determine the chemical composition, the granulometry, and evaluate the microbiological characteristics of whole-bean flours from five cowpea cultivars (BRS Cauamé, BRS Guariba, BRS Xiquexique, BRS Novaera and BRS Itaim). Cowpea beans were dried in a oven (Fanem, 320-SE) at 50 °C for 6 hours, milled in a cyclone-type rotor mill (Tecnal, TE-651/2) and, subsequently, in a pulverizer-type semi-industrial mill (Fritsch, Pulverisette 14) to obtain the flour. The flour centesimal composition, total energetic value, mineral content, granulometry, microbiological characteristics, and technological properties-flour water absorption and solubility in water-were analyzed. All analyzes were performed in triplicate and the results expressed in mean ± standard deviation. The means were compared by the Scott-Knott test (p ≤ 0.05). The flour centesimal composition presented (g per 100 g of flour): 7.13 to 10.33 of moisture, 2.06 to 3.65 of ashes, 1.53 g to 2.90 of lipids, 21.73 to 25.77 of proteins, and 58.08 to 64.02 of carbohydrate. The flours had on average 359.04 Kcal (100 g) and presented high iron, zinc, copper, manganese, phosphorus and magnesium contents. The whole-bean flours from the cultivars BRS Cauamé and BRS Xiquexique are sources of calcium. Regarding the microbiological characteristics, all flours are innocuous. The water absorption index were within 1.77 and 2.20 g g-1 and the water solubility index within 17 and 23%. All whole-bean flours had good nutritional, technological and microbiological characteristics, and thus potential for use in bakery products.

RESUMO O feijão-caupi (Vigna unguiculata [L.] Walp.) é uma das mais importantes leguminosas produzidas em regiões tropicais e subtropicais do mundo, principalmente nos países em desenvolvimento da África, América Latina e Ásia. Para um grande segmento da população mundial é a principal fonte de proteínas, calorias, fibras alimentares, minerais e vitaminas. Possui ainda compostos bioativos, destacando-se os compostos fenólicos. É produzido no Norte e Nordeste, consumido também em outras regiões do país e apresenta grande importância para os agricultores que sobrevivem desta cultura. O objetivo do presente estudo foi identificar e quantificar os compostos fenólicos no feijão-caupi, cultivar BRS Xiquexique. Tal determinação permitirá conhecer características funcionais do feijão-caupi, como fonte de antioxidantes, o que será de primordial importância para agregar valor funcional e nutricional a este alimento e ampliar as formas de consumo. Os extratos foram analisados por CLAE em equipamento modelo LC-20AT, com injetor manual. Para as análises foram preparadas soluções padrões com os ácidos fenólicos puros, tais como: ácido gálico, quercetina, ácido cafeico, ácido clorogênico, ácido ferúlico, ácido p-cumárico, catequina e epicatequina. Foram identificados catequina (2,07 ± 0,329 mg 100 g-1), epicatequina (0,48 ± 0,130 mg 100 g-1), ácido gálico (67,19 ± 6,200 mg 100 g-1), ácido ferúlico (32,07 ± 0,753 mg 100 g-1) e ácido clorogênico (3,08 ± 0,489 mg 100 g-1) em concentrações importantes. Concluiu-se que a cultivar BRS Xiquexique contêm compostos funcionais, destacando-se o ácido gálico e o ácido ferúlico com maiores teores, comprovando o potencial antioxidante do feijão-caupi.

ABSTRACT Cowpea (Vigna unguiculata [L.] Walp.) is one of the most important legumes produced in tropical and subtropical regions throughout the world, especially in the developing countries in Africa, Latin America, and Asia. It is the main source of protein, calories, dietary fiber, minerals, and vitamins for a large segment of the world population. Cowpea is also a potential functional food with a range of bioactive compounds, including phenolic compounds. This legume is grown mainly in the North and Northeast regions of Brazil, but is also consumed in other regions, and is thus important for the farmers who depend on this crop for income. This study identified and quantified phenolic compounds in the cowpea cultivar BRS Xiquexique. Such quantification reveals the functional characteristics of cowpeas, mainly as a source of antioxidants, which will be essential to add value to this food and to expand its forms of consumption. The extracts were analyzed using an HPLC model LC-20AT, equipped with a manual injector. For the HPLC analysis, standard solutions were prepared with pure phenolic acids such as gallic acid, quercetin, caffeic acid, chlorogenic acid, ferulic acid, p-coumaric acid, catechin, and epicatechin. The major phenolic compounds identified were catechin (2.07± 0.329 mg 100 g-1), epicatechin (0.48 ± 0.130 mg 100 g-1), gallic acid (67.19 ± 6.200 mg 100 g-1), ferulic acid (32.07 ± 0.753 mg 100 g-1), and chlorogenic acid (3.08 ± 0.489 mg 100 g-1). We observed that the BRS Xiquexique cultivar contains functional phenolic compounds, especially gallic acid and ferulic acid, demonstrating the antioxidant potential of cowpea.

RESUMO Este trabalho objetivou verificar o efeito da cocção na composição centesimal, no conteúdo de compostos bioativos e na atividade antioxidante em grãos de cultivares de feijão-caupi. Estes foram cozidos sem maceração (1:5 p/v) em panela de pressão por 780 segundos. Na análise estatística utilizou-se o teste t de Student para verificar diferença entre a média dos grãos crus e cozidos. Por meio do método de one-way ANOVA: post-hoc, aplicou-se o teste de médias de Tukey ao nível de 5% para as demais variáveis. Em relação à composição centesimal, houve diferença significativa (p<0,05) apenas para o teor de umidade, com valores de 10,69 a 11,37% nos grãos crus e 63,32 a 75,43% nos cozidos. Apenas a cultivar BRS Marataoã apresentou discreta redução (1,24%) no valor energético. Quanto aos polifenóis totais, observou-se uma diminuição do conteúdo nos grãos cozidos, com retenção no caldo. A cultivar BRS Marataoã destacou-se com os maiores teores de polifenóis totais e flavonóides totais nos grãos crus, cozidos e caldo. Observou-se, nos grãos crus da cultivar BRS Itaim os maiores teores de taninos condensados e antocianinas totais. Os grãos crus, cozidos e caldo apresentaram diferença estatisticamente significativa na atividade antioxidante, sendo os melhores resultados nas amostras sem tratamento térmico, com destaque para a BRS Marataoã. Concluiu-se que o cozimento influenciou a concentração dos compostos bioativos e a atividade antioxidante dos grãos, recomendando-se o consumo do feijão-caupi com o caldo de cocção para aproveitamento dos compostos antioxidantes.

ABSTRACT This study aimed to determine the effect of cooking on the centesimal compositions, the content of bioactive compounds, and antioxidant activities in beans of the cowpea cultivars. The beans were cooked without soaking (1:5 w/v) in a pressure cooker for 780 seconds. Statistical analysis was performed using Student’s t-test to determine the difference between means of raw and cooked beans. One-way ANOVA: post-hoc Tukey’s test was applied at 5% to compare the data of the cultivars. Significant difference (p 0.05) was noted between the moisture contents of samples, with values ranging from 10.69 to 11.37% in the raw beans and 63.32 to 75.43% in the cooked ones. Only BRS Marataoã showed a slight reduction (1.24%) in the energy value. The total polyphenol content in cooked beans decreased on discarding the broth. BRS Marataoã showed the highest levels of total polyphenols and flavonoids in raw beans, cooked beans, and broth. The raw beans of the cultivar BRS Itaim had greater content of condensed tannins and total anthocyanins. The raw beans, cooked beans, and broth showed statistically significant differences between their antioxidant activities, and the best results were found in the samples not subjected to thermal processing, particularly in BRS Marataoã. In conclusion, cooking influenced the concentration of bioactive compounds and antioxidant activities of the beans. Therefore, it is recommended that cooked cowpea beans should be consumed with the cooking broth for optimization of antioxidants.

Resumo Objetivo: Determinar a prevalência de excesso de peso e obesidade em pré-escolares de instituições públicas de ensino e sua relação com consumo alimentar. Método: Estudo transversal com crianças de 2 a 5 anos, de ambos os sexos, atendidas em creches municipais. Coletaram-se dados socioeconômicos, demográficos e antropométricos, para cálculo do índice de massa corpórea (IMC) por idade. Os dados sobre consumo alimentar foram avaliados por meio de Questionário de Frequência Alimentar. Utilizaram-se os testes do χ2, Kruskal-Wallis, t de Student e correlação de Pearson, com nível de significância de 5%. Resultados: Das 548 crianças, 52% eram do sexo masculino, com média de idade de 4,2 anos. A maioria das famílias apresentou renda entre 1 e 2 salários mínimos (59,7%) e escolaridade materna de 10 anos. Os parâmetros antropométricos não apresentaram diferença significativa entre os sexos. Segundo o IMC/I, verificou-se que a maioria das crianças estava eutrófica (85,2%); 8,2%, com risco de excesso de peso; 4,2%, com excesso de peso. Os alimentos mais consumidos foram: arroz (100%), feijão (99,4%), pães (98,5%), frutas (98,5%), carne vermelha (97,1%), manteiga e margarina (95,4%), bolachas, bolos, tortas doces (94,1%), leite e derivados (94,1%), achocolatado (91,7%) e refrigerantes (90,2%). Os alimentos consumidos que apresentaram forte correlação (r > 0,7) com o risco/excesso de peso foram: pães; bolachas, bolos, tortas doces; leite e derivados; achocolatados e embutidos. Conclusão: Observaram-se baixa prevalência de excesso de peso e ausência de obesidade entre o público pesquisado. O risco de excesso de peso foi maior entre as meninas. O estudo mostrou desvios no consumo alimentar.

Summary Objective: To determine overweight and obesity prevalence in preschool children from public education, and to determine their relation to food consumption. Method: Cross-sectional study with children aged between 2 and 5 years, of both sexes, enrolled at municipal day care centers. Socioeconomic, demographic and anthropometric data were collected, in order to calculate the body mass index (BMI) for age. Data on food consumption were assessed using a Food Frequency Questionnaire. χ2 test, Kruskal-Wallis test, Student's t-test and Pearson's correlation were used at a significance level of 5%. Results: Of 548 children, 52% were male, with mean age of 4.2 years old. Most families had incomes between 1 and 2 minimum wages (59.7%), in addition to 10 years (mothers) of education. Anthropometric parameters did not differ significantly between sexes. According to the BMI-for-age, it was found that most of children were well-nourished (85.2%), 8.2% had the risk of becoming overweight, and 4.2% were overweight. The most consumed foods were: rice (100%), beans (99.4%), bread (98.5%), fruit (98.5%), red meat (97.1%), butter and margarine (95.4%), biscuits, cakes and sweet pies (94.1%), dairy products (94.1%), chocolate milk (91.7%), and soft drinks (90.2%). Consumed foods that were strongly correlated (r > 0.7) to the risk of/excess weight were, as follows: bread; biscuits, cakes, sweet pies; dairy products; chocolate milk; sausages. Conclusion: There was low prevalence of overweight and absence of obesity among the population assessed. The risk of overweight was greater among girls. Data from the study showed deviations in food consumption.

RESUMO O feijão-caupi (Vigna unguiculata (L.) Walp.) é uma das leguminosas mais consumidas no Norte e Nordeste do Brasil, representando importante fonte de proteínas, energia, fibras e minerais, além de gerar emprego e renda. O objetivo deste trabalho foi determinar a composição química e o efeito do processamento térmico em grãos verdes de cultivares de feijão-caupi biofortificadas. Foram analisadas amostras de grãos verdes de quatro cultivares de feijão-caupi, sendo apenas uma não biofortificada (padrão). Determinou-se a composição centesimal e o valor energético total (VET), antes e após o processamento térmico. As médias das características avaliadas foram comparadas pelos testes . de Student e Tukey (. <0,05). Os teores de umidade e VET dos grãos verdes crus variaram, respectivamente, de 58,32 a 60,66% e 159 a 170 Kcal/100 g (base úmida). Os teores de cinzas, proteínas, lipídeos e carboidratos (base seca) dos grãos verdes crus variaram, respectivamente, de 1,58 a 1,68%; 11,03 a 13,25%; 1,31 a 2,23%; 36,11 a 38,13%. Após o tratamento térmico houve aumento no conteúdo de lipídios (1,57 - 2,36%) e redução nos conteúdos de cinzas (0,83 - 1,09%), proteínas (10,25 - 13,13%) e carboidratos (25,22 - 28,50%), exceto na cultivar BRS Tumucumaque que teve redução no conteúdo de lipídios (2,04%) e aumento no conteúdo de proteínas (12,94%). Concluiu-se que os grãos das cultivares de feijão-caupi foram afetados pelo processamento térmico, reduzindo os teores de cinzas, proteínas, carboidratos; e aumentando o conteúdo de lipídeos em três das quatro cultivares de feijão-caupi estudadas. A única cultivar que não se comportou de maneira similar às demais foi a BRS Tumucumaque, que teve um aumento no conteúdo de proteínas e redução de lipídeos, após o tratamento térmico.

ABSTRACT The cowpea (Vigna unguiculata (L.) Walp.) is one of the most widely consumed legumes in the North and Northeast of Brazil, representing an important source of protein, energy, fibre and minerals, in addition to generating employment and income. The aim of this study was to determine the chemical composition, and the effect of thermal processing on the green grain from biofortified cowpea cultivars. Samples of green grain from four cowpea cultivars were analysed, only one not being biofortified (standard). Centesimal composition and total energy value (TEV) were determined before and after thermal processing. The mean values of the characteristics under evaluation were compared by Student's t-test and Tukey's test (. <0.05). Moisture and TEV content in the raw green grain ranged from 58.32 to 60.66% and from 159 to 170 Kcal/100 g (wet basis) respectively. The ash, protein, lipid and carbohydrate (dry basis) content of the raw green grain varied from 1.58 to 1.68%, 11.03 to 13.25%, 1.31 to 2.23%, and 36.11 to 38.13% respectively. After heat treatment, there was an increase in lipid content (1.57 to 2.36%) and a reduction in the levels of ash (0.83 to 1.09%), protein (10.25 to 13.13%) and carbohydrates (25.22 to 28.50%), except for the BRS Tumucumaque cultivar, which had a reduction in lipid content (2.04%) and an increase in protein content (12.94%). It was concluded that the grain from the cowpea cultivars was affected by thermal processing, reducing the levels of ash, protein and carbohydrates, and increasing the lipid content in three of the four cowpea cultivars under study. BRS Tumucumaque was the only cultivar that did not behave in a similar way to the others, with an increase in protein content and a reduction in lipids after heat treatment.