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13 天
中科院团队研究揭示:这种中药的多糖成分有显著的抗衰老活性
研究团队采用氢氧化钠-亚硫酸氢钠法提取何首乌粗多糖(PRP),经脱蛋白处理后,利用过氧化氢-抗坏血酸法对其进行降解,并通过离子交换和凝胶过滤色谱分离出两种低分子量多糖——PRP1(13.43 kDa)和 PRP2(5.97 ...
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