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描述

An overview of polyphenol classifications and their biological functions in gastrointestinal health is presented, noting the low bioavailability that limits their clinical efficacy.

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![Figure 1: An overview of polyphenol classifications and their biological functions in gastrointestinal health is presented, noting the low bioavailability that limits their clinical efficacy.]()

> Source: Hui-Fang Chiu et al. "Gastroprotective Effects of Polyphenols against Various Gastro-Intestinal Disord." *Molecules (Basel, Switzerland)*, 2021. PMID: [33917379](https://pubmed.ncbi.nlm.nih.gov/33917379/)
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  <img src="" alt="An overview of polyphenol classifications and their biological functions in gastrointestinal health is presented, noting the low bioavailability that limits their clinical efficacy." />
  <figcaption>Figure 1. An overview of polyphenol classifications and their biological functions in gastrointestinal health is presented, noting the low bioavailability that limits their clinical efficacy.<br>  Source: Hui-Fang Chiu et al. "Gastroprotective Effects of Polyphenols against Various Gastro-Intestinal Disord." <em>Molecules (Basel, Switzerland)</em>, 2021. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/33917379/">33917379</a></figcaption>
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