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Retention of Zn, Fe and phytic acid in parboiled biofortified and non-biofortified rice

Biofortified rice with high Zn concentration could reduce Zn deficiency in South Asia. This population frequently parboils rice. True retention (TR) of Zn, Fe and phytic acid after parboiling and milling was evaluated in biofortified and non-biofortified rice. TR in milled non-parboiled rice was 63....

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Autores principales: Taleon, Víctor, Gallego, Sonia, Orozco, Juan Camilo, Grenier, Cecile
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7548297/
https://www.ncbi.nlm.nih.gov/pubmed/33073230
http://dx.doi.org/10.1016/j.fochx.2020.100105
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author Taleon, Víctor
Gallego, Sonia
Orozco, Juan Camilo
Grenier, Cecile
author_facet Taleon, Víctor
Gallego, Sonia
Orozco, Juan Camilo
Grenier, Cecile
author_sort Taleon, Víctor
collection PubMed
description Biofortified rice with high Zn concentration could reduce Zn deficiency in South Asia. This population frequently parboils rice. True retention (TR) of Zn, Fe and phytic acid after parboiling and milling was evaluated in biofortified and non-biofortified rice. TR in milled non-parboiled rice was 63.8–89.6% for Zn, 21.1–44.5% for Fe and 16.4–40.3% for phytic acid, whereas in milled parboiled rice TR was 49.8–72.2% for Zn, 23.4–36.7% for Fe and 22.0–33.3% for phytic acid. Milled parboiled rice resulted in lower Zn TR compared to milled non-parboiled. These results suggest that Zn moves from the inner endosperm towards the outer layers during parboiling, regardless of initial Zn concentration, consequently, once milled, the potential impact of Zn intake on Zn deficiency from parboiled rice is less than non-parboiled rice. Despite Zn losses during processing, biofortified rice could provide over 50% of the Zn EAR for children.
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spelling pubmed-75482972020-10-16 Retention of Zn, Fe and phytic acid in parboiled biofortified and non-biofortified rice Taleon, Víctor Gallego, Sonia Orozco, Juan Camilo Grenier, Cecile Food Chem X Article Biofortified rice with high Zn concentration could reduce Zn deficiency in South Asia. This population frequently parboils rice. True retention (TR) of Zn, Fe and phytic acid after parboiling and milling was evaluated in biofortified and non-biofortified rice. TR in milled non-parboiled rice was 63.8–89.6% for Zn, 21.1–44.5% for Fe and 16.4–40.3% for phytic acid, whereas in milled parboiled rice TR was 49.8–72.2% for Zn, 23.4–36.7% for Fe and 22.0–33.3% for phytic acid. Milled parboiled rice resulted in lower Zn TR compared to milled non-parboiled. These results suggest that Zn moves from the inner endosperm towards the outer layers during parboiling, regardless of initial Zn concentration, consequently, once milled, the potential impact of Zn intake on Zn deficiency from parboiled rice is less than non-parboiled rice. Despite Zn losses during processing, biofortified rice could provide over 50% of the Zn EAR for children. Elsevier 2020-09-29 /pmc/articles/PMC7548297/ /pubmed/33073230 http://dx.doi.org/10.1016/j.fochx.2020.100105 Text en © 2020 The Authors http://creativecommons.org/licenses/by/4.0/ This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Taleon, Víctor
Gallego, Sonia
Orozco, Juan Camilo
Grenier, Cecile
Retention of Zn, Fe and phytic acid in parboiled biofortified and non-biofortified rice
title Retention of Zn, Fe and phytic acid in parboiled biofortified and non-biofortified rice
title_full Retention of Zn, Fe and phytic acid in parboiled biofortified and non-biofortified rice
title_fullStr Retention of Zn, Fe and phytic acid in parboiled biofortified and non-biofortified rice
title_full_unstemmed Retention of Zn, Fe and phytic acid in parboiled biofortified and non-biofortified rice
title_short Retention of Zn, Fe and phytic acid in parboiled biofortified and non-biofortified rice
title_sort retention of zn, fe and phytic acid in parboiled biofortified and non-biofortified rice
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7548297/
https://www.ncbi.nlm.nih.gov/pubmed/33073230
http://dx.doi.org/10.1016/j.fochx.2020.100105
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