PMID: 20112723Feb 2, 2010Paper

Effects and mechanisms of total flavonoids of Litsea coreana on insulin resistance in rats with hyperlipidemia

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials
Xiongwen LvJianqing Wang

Abstract

To study the effects and its mechanisms of total flavonoids of Litsea coreana (TFLC) on insulin resistance (IR) in rats with hyperlipidemia. The rats were fed with high fat emulsion to make IR models. The effects of TFLC on the state of impaired glucose tolerance (IGT), fasting serum glucose (FSG), fasting serum insulin (FINS), fasting serum lipids (TC, TG, LDL-C, HDL-C), free fatty acid (FFA) and Leptin were observed,and the index of insulin sensitivity (ISI) was calculated. TFLC could significantly improve the state of IGT and depress the level of FSG, FINS, TC, TG, LDL-C, FFA and leptin of model rats, which could also increase the content of HDL-C and ISI significantly and enhance the sensitivity of insulin. TFLC has obvious effects on increasing insulin sensitivity and improving the insulin resistance in rats with hyperlipidemia,which may contribute to the regulating effects on the disturbance of lipid metabolism and the decrease of leptin level.

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