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Multivariate approach to assess in vitro Fe bioaccessibility in chicken meat Ciênc. Tecnol. Aliment.
CAMPOS,Náira da Silva; LOURDES,Ângela Maria Ferreira de Oliveira; ALVARENGA,Flávia Barbosa Magalhães; SABARENSE,Céphora Maria; OLIVEIRA,Marcone Augusto Leal de; SOUSA,Rafael Arromba de.
Abstract A 32 factorial design was employed to develop an in vitro digestion method for estimation of Fe bioaccessible fractions in cooked chicken meat. The effects of sample size and the in vitro bioaccessible fractions of this essential element were evaluated. A sample preparation method employing a microwave assisted digestion with dilute nitric acid was used prior to total Fe determination. For the bioacessibility studies, the optimized procedure employed 7.5 g of sample and 6% w/v of an acid pepsin solution. This procedure was applied to two kinds of chicken meat samples: breast and liver. Flame Atomic Absorption Spectrometry was used to determine total and bioaccessible (chyme or soluble portion) levels of iron in the samples. With respect to total...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Iron bioaccessibility; Factorial design; Chicken meat; Microwave assisted digestion; Flame Atomic Absorption Spectrometry.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612018000100157
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Calcium partition in Minas Padrão cheese and its bioaccessibility during ripening time Ciênc. Tecnol. Aliment.
PEREIRA,João Pablo Fortes; MAGESTE,Ana Carolina; CAMPOS,Náira da Silva; SOUSA,Rafael Arromba de; FRANCISQUINI,Júlia d’Almeida; PERRONE,Ítalo Tuler; CARVALHO,Antônio Fernandes de; NUNES,Renato Moreira; MARTINS,Marta Fonseca; SILVA,Paulo Henrique da Fonseca da.
Abstract Nutritionally, cheese and other dairy products have been highlighted especially as a calcium source. Access to minerals is dependent on variables related to diet, lifestyle, and also the health status. This study aimed to evaluate the bioaccessibility and calcium partition in Minas Padrão cheese over its ripening period for experimentally obtained samples. The cheese of the study has been manufactured using two different technologies (A and B). Also to evaluate the evolution of pH over cheese ripening and the influence of calcium partitions in its bioaccessibility along the cheese ripening period. The mean values found for total calcium content were (549 mg⋅100 g-1 – A and 644 mg⋅100 g-1 – B). For calcium in the aqueous phase on average 460 mg⋅100...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Minerals; Cheese; Calcium.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019000400859
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