期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 14, 期 8, 页码 1943-1946出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2004.01.091
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The methanolic extract from the leaves of Salvia officinalis L. (sage) showed significant inhibitory effect on serum triglyceride elevation in olive oil-loaded mice (500 and 1000 mg/kg, p.o.) and inhibitory activity (IC50: 94 mug/mL) against pancreatic lipase, which is participated in digestion of lipids. Through bioassay-guided separation using the inhibitory activity against pancreatic lipase activity, 4 abietan-type diterpenes (carnosic acid, carnosol, royleanonic acid, 7-methoxyrosmanol) and a triterpene (oleanolic acid) were isolated from the active fraction. Among these compounds, carnosic acid and carnosol substantially inhibited pancreatic lipase activity with IC50 values of 12 mug/mL (36 muM) and 4.4 mug/mL (13 muM), respectively. Carnosic acid significantly inhibited triglyceride elevation in olive oil-loaded mice at doses of 5-20 mg/kg (p.o.). However, other constituents (carnosol, royleanonic acid, oleanolic acid) did not show any effects at a dose of 200 mg/kg (p.o.). Furthermore, carnosic acid (20 mg/kg/day, p.o.) reduced the gain of body weight and the accumulation of epididymal fat weight in high fat diet-fed mice after 14 days. (C) 2004 Elsevier Ltd. All rights reserved.
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