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Xenobiotica
the fate of foreign compounds in biological systems
Volume 49, 2019 - Issue 9
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General Xenobiochemistry

Biotransformation of anthocyanins from Vitis amurensis Rupr of “Beibinghong” extract by human intestinal microbiota

, , , , , & ORCID Icon show all
Pages 1025-1032 | Received 30 Sep 2018, Accepted 02 Oct 2018, Published online: 04 Jan 2019
 

Abstract

1. Anthocyanins (ACNs) are a subclass of polyphenolic pigments belonging to the flavonoids and constitute an important group of human diets. There is accumulated evidence that consumption of ACN-rich diets such as Vitis amurensis Rupr of “Beibinghong” exerts protective activities against some human diseases. These beneficial properties may be due to the biotransformation by intestinal microbiota and its related bacterial dependent metabolism of ACNs. However, despite the compositional characterization of ACNs in extracts from V. amurensis Rupr, the biotransformation pathways of these compounds in the human intestinal tract have not been investigated so far.

2. In this study, the biotransformation of ACNs by the human intestinal microbiota and the derived metabolites were analyzed and characterized by RRLC-Q-TOF-MS and MS/MS methods. Eight kinds of ACNs were identified and could be bio-transformed under the action of human intestinal microbiota. The biotransformation pathway analysis showed that the microbiota acted by removing all glucosides to produce the corresponding aglycones, which were subsequently converted to phenolic acid and aldehydes.

3. These findings shed light on the mechanisms of ACNs degradation by the human intestinal microbiota and will lay a foundation for the industrial and pharmacological applications of the ACNs.

Acknowledgements

We thank the National Engineering Laboratory for Wheat and Corn Deep Processing of China for support.

Ethical approval

This study was approved by the Institutional Review Boards of Jilin Agricultural University (Changchun, China). All procedures performed in studies involving human participants and animals were in accordance with the ethical standards of the Institutional Review Boards of Jilin Agricultural University (Changchun, China) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Written informed consent was obtained from all individual participants included in the study.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This study was supported by the Jilin Provincial Science and Technology Department of China [20180201054NY] and the “13th Five-Year” Science and Technology Development Plan Project of Jilin Province [JJKH20181270KJ].

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