Garcinia cambogia water extract alleviates insulin resistance and hepatic lipid accumulation in mice fed a high-fat diet

  • Jinya Dong Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China; and College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, China
  • Wen Li Yunnan Rural Science and Technology Service Center, Kunming, Yunnan, China
  • Xiaocui Du Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China; College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, China
  • Xiaofang He Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China
  • Bin Deng Yunnan Rural Science and Technology Service Center, Kunming, Yunnan, China
  • Hongmei Zheng Yunnan Rural Science and Technology Service Center, Kunming, Yunnan, China
  • Yang Tian College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
  • Chongye Fang Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China; and College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
  • Jun Sheng Yunnan Research Center for Advanced Tea Processing, Yunnan Agricultural University, Kunming, China; and College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
Keywords: Garcinia cambogia, insulin resistance, non-alcoholic fatty liver disease, obesity, hepatic, lipid accumulation, hydroxycitric acid


Background: Garcinia cambogia is widely used as a weight-loss supplement, and it is reported to be negatively associated with metabolic diseases including insulin resistance (IR), type 2 diabetes mellitus (T2DM), non-alcoholic fatty liver disease (NAFLD), and dyslipidemia.

Objective: This study aimed to investigate the effect of G. cambogia water extract (GE) on high-fat diet (HFD)-induced obesity, IR, and hepatic lipid accumulation.

Design: C57BL/6 male mice were fed HFD with or without GE, GED and GEP for 16 weeks, and the mice were subjected to insulin tolerance tests and liver histological analysis. The hydroxycitric acid (HCA) levels of GE, GED, and GEP were measured by high-performance liquid chromatography.

Results: The results showed that GE significantly reduced HFD-induced body weight gain (P < 0.001), alleviated IR (P < 0.01), reduced serum total cholesterol (TC) (P < 0.001), and attenuated HFD-induced hepatic lipid accumulation. To investigate the constituent that was responsible for these effects, we separated GE into the component that dissolved in ethanol (GED) and the component that was precipitated by ethanol (GEP). Further mouse experiments showed that both GED and GEP were effective, but GED (which was used at a dose of 4 g/L) was more effective than GEP (which was used at a lower dose of 1 g/L). The HCA levels in GED and GEP were similar, although less than in GE. HCA may be the effective component in GE.

Conclusion: This study provides evidence that G. cambogia can be used as a natural supplement to alleviate IR and hepatic lipid accumulation.


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How to Cite
Dong J., Li W., Du X., He X., Deng B., Zheng H., Tian Y., Fang C., & Sheng J. (2023). <em>Garcinia cambogia</em&gt; water extract alleviates insulin resistance and hepatic lipid accumulation in mice fed a high-fat diet. Food & Nutrition Research, 67.
Original Articles