期刊
MOLECULES
卷 26, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/molecules26061638
关键词
antiobesity; antidyslipidemia; Amomum tsao-ko; liver tissue; high-carbohydrate diet
资金
- Cooperative Research Program for Agriculture Science and Technology Development [PJ01323301]
- Rural Development Administration, Republic of Korea
The ethanol extract of Amomum tsao-ko (EAT) was found to have a significant improvement in obesity and hyperlipidemia induced by a high-carbohydrate diet in C57BL/6 mice, inhibiting weight gain and fat accumulation, reducing blood lipid levels, decreasing the size of fat tissues, and suppressing hepatic accumulation of lipids. EAT shows potential as a therapeutic agent for these conditions.
Amomum tsao-ko Crevost et Lemaire (Zingiberaceae) is a medicinal herb found in Southeast Asia that is used for the treatment of malaria, abdominal pain, dyspepsia, etc. The aim of this study was to investigate the effect of an ethanol extract of Amomum tsao-ko (EAT) on obesity and hyperlipidemia in C57BL/6 mice fed a high-carbohydrate diet (HCD). First, the mice were divided into five groups (n = 6/group) as follows: normal diet, HCD, and HCD+EAT (100, 200, and 400 mg/kg/day), which were orally administered with EAT daily for 84 days. Using microcomputed tomography (micro-CT) analysis, we found that EAT inhibited not only body-weight gain, but also visceral fat and subcutaneous fat accumulation. Histological analysis confirmed that EAT decreased the size of fat tissues. EAT consistently improved various indices, including plasma levels of total cholesterol (TC), triglyceride (TG), low-density lipoprotein, high-density lipoprotein, atherogenic index, and cardiac risk factors, which are related to dyslipidemia-a major risk factor for heart disease. The contents of TC and TG, as well as the lipid droplets of HCD-induced hepatic accumulation in the liver tissue, were suppressed by EAT. Taken together, these findings suggest the possibility of developing EAT as a therapeutic agent for improving HCD-induced obesity and hyperlipidemia.
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