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KMID : 1098420070150030183
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Korean Journal of Medicinal Crop Science
2007 Volume.15 No. 3 p.183 ~ p.188
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Antioxidative Activity and Nitrite Scavenging Ability of Methanol Extract from Salvia plebeia R. Br.
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Lim Jin-A
Yun Bo-Won
Baek Seung-Hwa
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Abstract
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Efficacy of antioxidative activity and nitrite scavenging ability of methanol extract from Salvia plebeia was investigated. Electron-donating ability of extract at RC_{50} was 51.10{mu}g/ml. After addition of 0.92 mg/ml extract, autooxidation of pyrogallol decreased to 62.11% by superoxide dismutase-like activity. In antioxidative activity of extract against linoleic acid during incubation times of 1,2, and 4 days at 40^{circ}, lipid peroxidation values significantly decreased by 72.86%, 77.18%, and 78.32% with addition of 0.2 mg/ml, respectively. Total phenolic content was determined as gallic acid equivalents (GAE) and values revealed as 202.35{pm} 1.26 GAE {mu}g/ml of extract. Nitrite scavenging ability showed the most remark-able effect at pH 1.2, exhibited to 44.29% by addition of 0.2 mg/ml. These results suggest that methanol extract from Salvia plebeia can be used as bioactive and functional materials.
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KEYWORD
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Salvia plebeia, Antioxidative activity, Nitrite scavenging ability
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