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Forsythia suspensa, belonging to the deciduous shrubs of the Luteaceae family, a traditional Chinese medicine, has effects of alleviating swelling, clearing heat, detoxification and promoting blood circulation. The leaves of F. suspensa contain multiple chemical components and have a long history of use in folk medicines and health foods. The purpose of this study was to explore the effects of forsythin extract from F. suspensa leaves on intestinal microbiota and short-chain fatty acid (SCFA) content in rats with obesity induced by a high-fat diet. Forsythin extract in F. suspensa leaves increased the abundance of the intestinal microbiota, ameliorated intestinal microbiota disorders and inhibited the increase in total SCFA content in the intestinal tract in rats with obesity induced by a high-fat diet. These results suggested that forsythin extract in F. suspensa leaves may slow the development of obesity induced by a high-fat diet; thus, its active components and efficacy are worthy of further study.


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Effects of forsythin extract in Forsythia leaves on intestinal microbiota and short-chain fatty acids in rats fed a high-fat diet

Show Author's information Lanlan Guia,Shaokang Wanga( )Jing WangbWang LiaoaZitong ChenbDa PanaHui XiaaGuiju SunaSu Tianc
Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing 210009, China
Nanjing Municipal Center for Disease Control and Prevention, Nanjing 210003, China
Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Shijiazhuang 050017, China

Peer review under responsibility of Tsinghua University Press.

Abstract

Forsythia suspensa, belonging to the deciduous shrubs of the Luteaceae family, a traditional Chinese medicine, has effects of alleviating swelling, clearing heat, detoxification and promoting blood circulation. The leaves of F. suspensa contain multiple chemical components and have a long history of use in folk medicines and health foods. The purpose of this study was to explore the effects of forsythin extract from F. suspensa leaves on intestinal microbiota and short-chain fatty acid (SCFA) content in rats with obesity induced by a high-fat diet. Forsythin extract in F. suspensa leaves increased the abundance of the intestinal microbiota, ameliorated intestinal microbiota disorders and inhibited the increase in total SCFA content in the intestinal tract in rats with obesity induced by a high-fat diet. These results suggested that forsythin extract in F. suspensa leaves may slow the development of obesity induced by a high-fat diet; thus, its active components and efficacy are worthy of further study.

Keywords: Intestinal microbiota, High-fat diet, Forsythin, Short-chain fatty acid (SCFA)

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Received: 05 August 2022
Revised: 29 August 2022
Accepted: 02 September 2022
Published: 25 September 2023
Issue date: March 2024

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© 2024 Beijing Academy of Food Sciences. Publishing services by Tsinghua University Press.

Acknowledgements

This study was funded by grants from the National Key R&D Program of China (2016YFD0500604).

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This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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