Antioxidants and free radical scavenging activity of Phellinus baumii (Phellinus of Hymenochaetaceae) extracts

被引：459

作者：

Shon, MY ^{[1
]}

Kim, TH ^{[1
]}

Sung, NJ ^{[1
]}

机构：

[1] Inst Agr & Life Sci, Dept Food & Nutr, Chinju, South Korea

来源：

FOOD CHEMISTRY | 2003年 / 82卷 / 04期

关键词：

antioxidants; free radicals; Phellinus baumii; phenolics; scavenging effect;

D O I：

10.1016/S0308-8146(03)00015-3

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

This study was carried out to expand the utilization (for the pharmaceutical and food industries) of extracts of Phellinus baumii. Fractions rich in phenolics were extracted from P. baumii using various solvents. Antioxidant and free radical scavenging activity were studied using a beta-carotene-linoleate model system and reactive oxygen species generation system. Total phenolic compounds in methanol and hot water extracts were 33.3 and 20.7 mg/100 ml, respectively; these values are higher than other solvent extracts. Therefore, methanol and hot water extracts exhibited good inhibition rates, of about 80-90%, by hydroxyl radical scavenging activity, hydrogen peroxide scavenging activity, effect of reducing power on metallic compound formation and antioxidant activity. (C) 2003 Published by Elsevier Ltd.

引用

页码：593 / 597

页数：5

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