Bioaccessibility of some minerals in infant formulas.
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2022
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Resumo
To guarantee the adequate intake of nutrients a
variety of food supplementation (including infant formu-
las) has been used to ensure the nutrition of infants. Con-
sidering that the total concentration of nutrients is not
enough to determine whether the food provides all the
nutritional needs, the objective of this study was to eval-
uate the total concentration and bioaccessibility of some
elements in thirty commercial infant formulas consumed in
Brazil. A standardized in vitro gastrointestinal digestion
method was used to obtain the soluble fraction of each
mineral, which was analyzed by ICP OES after microwave
oxidative digestion to obtain the bioaccessibility values.
The total concentration and the bioaccessibility of the
elements varied considerably according to the sample type
(traditional infant formulas, formulas for infants with
gastrointestinal problems, formulas for premature and soy-
based). The bioaccessibility values are 3–43% (Ca),
53–97% (Cu), 35–100% (Fe), 70–114% (K), 47–90%
(Mg), 52–95% (P), 31–92% (Zn). In general, the total
concentration values for the elements were higher than that
declared by the manufacturers, also than the current leg-
islation as well, regarding the DRI. Although these results,
it is important to emphasize that the consumption of infant
formulas can provide an adequate intake of minerals for the
infants.
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Palavras-chave
In vitro digestion, Inorganic elements
Citação
MORAES, M. R. de et al. Bioaccessibility of some minerals in infant formulas. Journal of Food Science and Technology, v. 59, n. 5, p. 2004-2012, maio 2022. Disponível em: <https://link.springer.com/article/10.1007/s13197-021-05215-0>. Acesso em: 11 out. 2022.