Reactions of polyphenols in pomegranate peel with nitrite under simulated stomach conditions

Punicalagin and ellagic acid are the major polyphenols present in pomegranate peels. The contents of α‐punicalagin, β‐punicalagin, and ellagic acid in the pomegranate peels were approximately 75, 72, and 20 µM, respectively. The reactions of polyphenols in pomegranate peels with sodium nitrite under...

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Autores principales: Xie, Zhenjian, Li, Xiaohong, Tang, Renyong, Wang, Guoze, Lu, Yurong, Li, Xuemei, Cheng, Kun, Li, Linzhi, He, Qiang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2019
Materias:
Original Research
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6766573/
https://www.ncbi.nlm.nih.gov/pubmed/31572603
http://dx.doi.org/10.1002/fsn3.1173
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author Xie, Zhenjian
Li, Xiaohong
Tang, Renyong
Wang, Guoze
Lu, Yurong
Li, Xuemei
Cheng, Kun
Li, Linzhi
He, Qiang
author_facet Xie, Zhenjian
Li, Xiaohong
Tang, Renyong
Wang, Guoze
Lu, Yurong
Li, Xuemei
Cheng, Kun
Li, Linzhi
He, Qiang
author_sort Xie, Zhenjian
collection PubMed
description Punicalagin and ellagic acid are the major polyphenols present in pomegranate peels. The contents of α‐punicalagin, β‐punicalagin, and ellagic acid in the pomegranate peels were approximately 75, 72, and 20 µM, respectively. The reactions of polyphenols in pomegranate peels with sodium nitrite under simulated stomach conditions were studied. The reactions decreased the polyphenolic contents of the pomegranate peels and accompanied the formation of nitroso compounds. The oxidation rates followed the order ellagic acid ＜α‐punicalagin ≈ β‐punicalagin. The results suggested that the reactions can occur in the stomach after a meal, while the pH changes from 2 to 4.5.
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spelling pubmed-67665732019-09-30 Reactions of polyphenols in pomegranate peel with nitrite under simulated stomach conditions Xie, Zhenjian Li, Xiaohong Tang, Renyong Wang, Guoze Lu, Yurong Li, Xuemei Cheng, Kun Li, Linzhi He, Qiang Food Sci Nutr Original Research Punicalagin and ellagic acid are the major polyphenols present in pomegranate peels. The contents of α‐punicalagin, β‐punicalagin, and ellagic acid in the pomegranate peels were approximately 75, 72, and 20 µM, respectively. The reactions of polyphenols in pomegranate peels with sodium nitrite under simulated stomach conditions were studied. The reactions decreased the polyphenolic contents of the pomegranate peels and accompanied the formation of nitroso compounds. The oxidation rates followed the order ellagic acid ＜α‐punicalagin ≈ β‐punicalagin. The results suggested that the reactions can occur in the stomach after a meal, while the pH changes from 2 to 4.5. John Wiley and Sons Inc. 2019-08-21 /pmc/articles/PMC6766573/ /pubmed/31572603 http://dx.doi.org/10.1002/fsn3.1173 Text en © 2019 The Authors. Food Science & Nutrition published by Wiley Periodicals, Inc. This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Research
Xie, Zhenjian
Li, Xiaohong
Tang, Renyong
Wang, Guoze
Lu, Yurong
Li, Xuemei
Cheng, Kun
Li, Linzhi
He, Qiang
Reactions of polyphenols in pomegranate peel with nitrite under simulated stomach conditions
title Reactions of polyphenols in pomegranate peel with nitrite under simulated stomach conditions
title_full Reactions of polyphenols in pomegranate peel with nitrite under simulated stomach conditions
title_fullStr Reactions of polyphenols in pomegranate peel with nitrite under simulated stomach conditions
title_full_unstemmed Reactions of polyphenols in pomegranate peel with nitrite under simulated stomach conditions
title_short Reactions of polyphenols in pomegranate peel with nitrite under simulated stomach conditions
title_sort reactions of polyphenols in pomegranate peel with nitrite under simulated stomach conditions
topic Original Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6766573/
https://www.ncbi.nlm.nih.gov/pubmed/31572603
http://dx.doi.org/10.1002/fsn3.1173
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