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恰麻古多糖的体外抗氧化作用研究 被引量:5

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摘要 目的初步探讨恰麻古多糖的体外抗氧化作用。方法采用普鲁士兰法测定恰麻古多糖的还原能力,采用二苯代苦味酰基自由基(DPPH·)分光光度法测定恰麻古多糖的抗氧化活性,采用水杨酸钠法测定恰麻古多糖清除羟自由基(·OH)的能力,采用邻苯三酚自氧化法测定恰麻古多糖对超氧阴离子自由基(O-·2)的清除作用。结果恰麻古粗多糖(BRP)、精制多糖(BRP-1)均具有还原能力,对·OH、O-·2和DPPH·有清除能力,且清除率随浓度的增加均增强。BRP-1的还原能力、对DPPH·的清除作用较好,BSP对·OH、O-·2的清除效果较好。结论 BSP、BSP-1均有不同程度的体外抗氧化活性,具有还原性,可有效清除O-·2、·OH和DPPH·。
出处 《华西药学杂志》 CAS CSCD 北大核心 2014年第5期606-607,共2页 West China Journal of Pharmaceutical Sciences
基金 国家自然科学基金资助项目(批准号:31160322)
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