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何首乌提取物对大豆油抗氧化作用研究 被引量:2

Antioxidant effect of solvent extracts of Polygonum multiflorum Thunb on soybean oil
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摘要 以过氧化值(POV)和酸价为指标研究何首乌不同溶剂提取物[甲醇(MP)、乙醇(EP)、乙醚(AP)和正己烷(HP)]对大豆油抗氧化作用。结果表明,何首乌不同提取物均具有一定抗氧化活性,其中乙醇提取物抗氧化活性最强,且高于0.15 mg/mL维生素C溶液;另外,对各提取物中总酚与总黄酮含量进行测定,分析发现,各提取物多酚含量与其抗氧化活性具有良好正向线性相关性。 the antioxidant activity of different solvent extracts (methanol (MP), ethanol (EP), aether (AP) and n-hexane (HP) ) of Polygonum multiflorum Thunb on soybean oil were researched using peroxide value (POV) and acid value test. Results showed that all samples had the antioxidant activity and the EP showed the strongest antioxidant activity and better than 0.15mg/mL ascorbic acid. Furthermore, the contents of total phenols and total flavonoids were also investigated, and the correlations between total phenols, total flavonoids and antioxidant activity were analyzed. Statistical analysis showed a positive linear relationship between total phenols and the antioxidant activity.
出处 《粮食与油脂》 2008年第9期31-32,共2页 Cereals & Oils
关键词 何首乌 抗氧化 过氧化值 大豆油 Polygonum multiflorum thunb antioxidant peroxidation value soybean oil
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