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KMID : 1134820140430060836
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Journal of the Korean Society of Food Science and Nutrition
2014 Volume.43 No. 6 p.836 ~ p.841
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Antioxidant Activities of Pleurotus cornucopiae Extracts by Extraction Conditions
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Lee Hye-Jin
DO Jung-Ryong
Chung Min-Yu
Kim Hyun-Ku
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Abstract
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Physiological activities of extracts form Pleurotus cornucopiae were examined. DPPH radical scavenging activity of water extract was 70.22 percent at 4 mg/mL, which was the highest among all extracts. Total polyphenol content of water extract was 26.34 mg/g, which was the highest value for all extraction conditions. Superoxide anion radical scavenging activities ranged from 50.17 to 80.56 percent at 1, 2, and 4 mg/mL, which were higher than the ascorbic acid activity (56.19% at 10 mg/mL) (P<0.05). ACE inhibitory activities were higher in ethanolic extracts than in water extracts. Nitrite-scavenging abilities under acidic conditions (pH 1.2 and pH 3.0) were the most effective among all the extracts. These results will be useful for understanding the physiological activities of Pleurotus cornucopiae.
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KEYWORD
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Pleurotus cornucopiae, antioxidant activity, extraction condition
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