Lu FR, Yang SL, Shen L, Qin Y, Cai YL, Xiong PC. Therapeutic effect of
trigonella foenum-graecum L. total saponins on diet-induced obesity in rats.
Shijie Huaren Xiaohua Zazhi 2012;
20:2902-2906. [DOI:
10.11569/wcjd.v20.i30.2902]
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Abstract
AIM: To observe the therapeutic effect of trigonella foenum-graecum L. total saponins (TFGs) on high-sugar and high-fat-sucrose (HFS) diet-induced nutritional obesity in rats.
METHODS: A rat model of nutritional obesity was established by feeding rats a high-sugar and HFS diet. Obese rats were treated with TFGs for 8 weeks. During treatment, the weight of rats was recorded. At the end of treatment, the weight of epididymal fat pads was also measured and fat tissue was taken for HE staining. Meanwhile, the levels of blood lipids, including serum triglyceride (TG), total cholesterol (TC), high density lipoprotein cholesterol (HDL-C), and low density lipoprotein cholesterol (LDL-C), as well as fasting blood glucose (FBG) and fasting insulin (FINS), were determined. Homeostasis model assessment-insulin resistance (HOMA-IR) was calculated.
RESULTS: Compared to rats fed a normal diet, rats fed a HFS diet had heavier body weight (495.5 g ± 69.2 g vs 388.7 g ± 60.2 g, P < 0.01) and epididymal fat pads (8.6 g ± 0.6 g vs 5.3 g ± 0.5 g, P < 0.01), larger adipocytes, increased levels of TG (0.9 mmol/L ± 0.3 mmol/L vs 0.3 mmol/L ± 0.2 mmol/L, P < 0.01), TC (2.7 mmol/L ± 0.4 mmol/L vs 1.5 mmol/L ± 0.1 mmol/L, P < 0.01), LDL-C (1.2 mmol/L ± 0.2 mmol/L vs 0.5 ± 0.2 mmol/L, P < 0.01), FINS (27.8 ± 4.8 vs 13.6 ± 3.6 mIU/L, P < 0.01), and HOMA-IR (8.0 ± 1.1 vs 3.5 ± 1.1, P < 0.01), and decreased HDL-C level (0.5 mmol/L ± 0.1 mmol/L vs 0.7 mmol/L ± 0.2 mmol/L, P < 0.01). Treatment with TFGs caused a significant reduction in weight gain (462.5 g ± 55.2 g vs 495.5 g ± 69.2 g, P < 0.01), fat tissue accumulation (6.9 g ± 0.3 g vs 8.6 g ± 0.6 g, P < 0.01), TG (0.7 mmol/L ± 0.2 mmol/L vs 0.9 mmol/L ± 0.3 mmol/L, P < 0.01), TC (2.1 mmol/L ± 0.3 mmol/L vs 2.7 mmol/L ± 0.4 mmol/L, P < 0.05), LDL-C (0.9 mmol/L ± 0.1 mmol/L vs 1.2 mmol/L ± 0.2 mmol/L, P < 0.01), and HOMA-IR (4.9 ± 1.4 vs 8.0 ± 1.1, P < 0.01).
CONCLUSION: TFGs have a favorable therapeutic effect on nutritional obesity in rats and might be an effective treatment for obesity.
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