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投稿时间：2016-12-13
投稿时间：2016-12-13
中文摘要: 探究黑枸杞不同溶剂提取物体外抗氧化活性。分别以水、50 % 乙醇、75 % 乙醇、乙醇、正丁醇、乙酸乙酯，制备 不同溶剂提取物，测定各提取物中总酚、黄酮含量，比较不同溶剂提取物体外抗氧化活性，并分析活性物质含量及抗氧 化能力的相关性。结果表明，50 %乙醇提取物总酚、黄酮含量均最高，对 DPPH、ABTS+自由基的清除能力及铁离子还原 能力最强，总酚含量与抗氧化活性具有较高的相关性。黑枸杞 50 %~75 % 乙醇提取物抗氧化活性相对较高。
Abstract:The antioxidant activity of different solvent extracts of black wolfberry was explored. Preparation of water， 50 % ethanol， 75 % ethanol， ethanol， n-butyl alcohol， ethyl acetate solvent extract， determination of total phenol and flavonoids content in the extract， comparison of antioxidant activity of different solvent extracts in vitroand the correlation between the content of active substances and antioxidant capacitywereanalyzed. The resultsshowed that， 50 % ethanol extract of the total phenol， flavonoids were the highest， 50 % ethanol extract had the strongest scavenging ability to DPPH and ABTS free radical and the ability of iron ion reduction， The content of total phenol had a high correlation with the antioxidant activity. The antioxidant activity of ethanol ex－ tract from black wolfberry 50 %-75 % was relatively high.
文章编号：201709009 中图分类号： 文献标志码：A
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