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The gut microbiota takes part in many in vivo important physiological activities of host, such as the substance metabolism and energy exchange, etc. The interaction between the host and the intestinal microorganisms has attracted scholars' attention. Flavonoids are a group of polyphenol compounds widely found in natural plants, with the bioactive effect of regulation of glucose and lipid metabolism, anti-inflammation. However, their low bioavailability cause difficulty to clarify the effective substances and the mechanism of flavonoids. Apart from the metabolic effects of liver on flavonoids, recent studies have shown that the gut microbiota can interact with flavonoids. On the one hand, flavonoids can be metabolized by gut microbiota and subsequent metabolites can produce pharmacological activities different from the parent components. On the other hand, flavonoids and their metabolites can in turn regulate the composition and physiological activities of the intestinal flora, which seems to provide a new insight for the research on the effective substances of flavonoids. In this review, we introduced the metabolic characteristics of flavonoids under the actions of intestinal bacteria, and the regulation effects of flavonoids on gut microbiota was also summarized. Meanwhile, the therapeutic effect of flavonoids under the action of intestinal bacteria was discussed.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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