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KMID : 1134820090380111516
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Journal of the Korean Society of Food Science and Nutrition
2009 Volume.38 No. 11 p.1516 ~ p.1521
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Effects of Oenanthe javanica, Coicis lachryma-jobi L. var., and Plantaginis asiatica L. Water Extracts on Activities of Key Enzymes on Lipid Metabolism
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Lee Hyun-Joo
Chung Mi-Ja
Kim Dae-Jung
Choe Myeon
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Abstract
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This study was carried out to estimate beneficial effects of medicinal plant [Oenanthe javanica (MNR), Coicis lachryma-jobi L. var. (YM), Plantaginis asiatica L. (CJJ)] water extracts on activities of key enzymes such as lipoprotein lipase (LPL), acyl-CoA synthetase (ACS) and carnitine acetyltransferase (CAT) on lipid metabolism. LPL and ACS were extracted from the epididymal adipose tissue and liver of Zucker lean rats (lean) and Zucker fatty rats (fa/fa). MNR or YM water extract treatment significantly reduced the activity of lean and fa/fa LPL. When 10000 ppm of MNR, YM, and CJJ water extracts were tested, they decreased fa/fa LPL activity by 32.5%, 30.1% and 22.8%, respectively. The lean ACS activity was significantly higher in YM water extract treatment compared to the control and the MNR water extract treatment significantly increased the activity of fa/fa ACS, compared to the activity in the control (p＜0.05). MNR water extract activated fa/fa ACS activity by 12-fold compared with control at 10000 ppm concentration. CAT activity was significantly higher in 10000 ppm and 20000 ppm CJJ water extract treatment than in the control. Thus, the MNR, YM and CJJ water extracts may have beneficial effects due to activities of enzymes related with fat metabolism in obese humans.
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KEYWORD
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obesity, acyl-CoA synthetase, lipoprotein lipase, carnitine acetyl transferase, medicinal plant
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