| 3种茶抗氧化性的研究 |
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| 引用本文： | 杨莉莉,侯冬岩,回瑞华.3种茶抗氧化性的研究[J].鞍山师范学院学报,2015(2):48-51. |
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| 作者姓名： | 杨莉莉 侯冬岩 回瑞华 |
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| 作者单位： | 辽宁师范大学化学化工学院;鞍山师范学院化学与生命科学学院 |
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| 摘 要： | 采用钴离子和过氧化氢反应产生羟基自由基，羟基自由基和苯甲酸反应后用荧光分光光度法测定加入茶叶时荧光强度改变量，从而建立了一种用荧光法测定茶叶对羟基自由基的清除率的方法。且通过改善荧光强度的条件试验，采用荧光分光光度法测定茶叶对羟基自由基的清除率，对比分析得出3种茶的抗氧化性大小。
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| 关 键 词： | 自由基 清除率 荧光分光光度法 抗氧化性 |
Research of three kinds of tea oxidation resistance |
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| YANG Lili;HOU Dongyan;HUI Ruihua.Research of three kinds of tea oxidation resistance[J].Journal of Anshan Teachers College,2015(2):48-51. |
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| Authors: | YANG Lili;HOU Dongyan;HUI Ruihua |
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| Institution: | YANG Lili;HOU Dongyan;HUI Ruihua;College of Chemistry and Chemical Engineering,Liaoning Normal University;College of chemistry and life science,Anshan Normal University; |
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| Abstract: | In this paper ,cobalt ions and hydrogen peroxide hydroxyl radicals were generated in the reaction , hydroxyl radicals and benzoic acid by fluorescence spectrophotometry were reacted with tea fluorescence inten -sity change ,which created a tea to hydroxyl free radical clearance rate measured by fluorescence method .And the condition of the fluorescence intensity test were improved , the use of fluorescence spectrophotometry tea clearance rate of hydroxyl radicals ,it is concluded that the oxidation resistance of three kinds of tea with com-parison and analysis . |
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| Keywords: | free radicals clearance fluorescence spectrophotometry the oxidation resistance |
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