| 黄瓜多糖抗氧化活性研究 |
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| 引用本文： | 许平.黄瓜多糖抗氧化活性研究[J].渝州大学学报(自然科学版),2009(1):54-56. |
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| 作者姓名： | 许平 |
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| 作者单位： | 重庆师范大学生命科学学院,重庆400047 |
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| 摘 要： | 建立了热水提取、乙醇沉淀、Sevage法除蛋白、有机溶剂分离精制提取黄瓜多糖的方法，并用蒽酮-硫酸比色法测定其含量；采用超氧阴离子自由基、羟基自由基、二苯代苦味肼基自由基（DPPH·）体系，对黄瓜多糖的抗氧化活性进行了研究，结果表明：黄瓜多糖对DPPH·、·OH and O2^-·具有较强的清除能力，与其浓度呈线性关系。
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| 关 键 词： | 黄瓜 多糖 自由基 清除 抗氧化性 |
Study on the antioxidative activites of polysaccharides from cucumis saticus L. |
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| XU Ping.Study on the antioxidative activites of polysaccharides from cucumis saticus L.[J].Journal of Yuzhou University(Natural Sciences Edition),2009(1):54-56. |
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| Authors: | XU Ping |
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| Institution: | XU Ping ( College of Life Science, Chongqing Normal University , Chongqing 400047 , China) |
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| Abstract: | Cucumber polysaccharides （CP） were obtained by hot water extraction, ethanol precipitation, sevage method removing proteins and organic solvent purification. Polysaecharides content was determined by anthronc -H2SO4 colorimeter. Using the superoxide radical system ,hydroxyl radical system , and system of 2,2 -Diphenyl- 1 -pieryhydrazyl （DPPH · ） ,the antioxidation activities of cucumber polysaccharides is studied . The results showed that CP had strong radical scavenging activity towards DPPH · , · OH and O^2- ·. The capacity of scavenging free radicals of cucumber polysaccharides showed linear connections with the concentration. |
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| Keywords: | cucumber polysaecharide free radicals scaveng antioxidant activity |
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