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KMID : 1161420100130051216
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Journal of Medicinal Food
2010 Volume.13 No. 5 p.1216 ~ p.1223
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Butterbur (Petasites japonicus Max.) Extract Improves Lipid Profiles and Antioxidant Activities in Monosodium l-Glutamate-Challenged Mice
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Park Cheon-Ho
Kim Mi-Yeon
Sok Dai-Eun
Kim Jin-Hee
Lee Jeung-Hee
Kim Mee-Ree
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Abstract
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We investigated the effect of the butanol fraction from the methanol extract of butterbur (Petasites japonicus Max.) (BMP) on the plasma lipid profiles and oxidative damage of liver in mice challenged with monosodium l-glutamate (MSG). ICR mice (6?8 weeks old, male) were fed BMP (0.1% or 0.3%) for 1 week, and on day 7, MSG (4?mg/g) was administered intraperitoneally to the mice. Administration of MSG resulted in a significant decrease of antioxidant biomarkers such as total glutathione level and antioxidant enzyme activities such as glutathione reductase (GR), glutathione peroxidase (GPx), glutathione S-transferase (GST), and quinone reductase (NQO1), whereas the thiobarbituric acid-reactive substances (TBARS) value was increased in liver tissue. However, BMP supplementation markedly enhanced the hepatic antioxidant enzyme activities, including GPx, GR, GST, and NQO1, whereas it lowered TBARS, compared to the MSG-treated group. Moreover, BMP supplementation decreased total cholesterol, atherogenic index, and low-density lipoprotein-cholesterol, compared to the MSG-treated group. Based on these results, it was proposed that BMP improve the plasma lipid profiles and decrease the oxidative stress by up-regulating the hepatic antioxidant enzymes in mice challenged with MSG.
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KEYWORD
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butterbur (Petasites japonicus Max.), glutathione, lipid peroxidation, monosodium l-glutamate
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