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Antioxidant and activated oxygen free radical scavenging activities of different extract from Siraitia grosvenorii
Author(s): 
Pages: 698-702
Year: Issue:  5
Journal: Guihaia

Keyword:  罗汉果总抗氧化性超氧阴离子自由基羟基自由基脂质过氧化;
Abstract: 以水、甲醇、乙醇和乙酸乙酯为溶剂,对罗汉果干果进行提取,分别采用磷钼酸铵体系、邻苯三酚自氧化体系、Fenton反应体系和卵黄脂质过氧化体系测定各种提取物的总抗氧化性能、超氧阴离子自由基和羟基自由基清除性能及其抗脂质过氧化作用.结果表明,四种溶剂提取物均具较强的抗氧化性和活性氧自由基清除性能,其能力的大小顺序为:乙酸乙酯提取物>水提物>甲醇提取物>乙醇提取物.
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