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米糠多糖的提取纯化及其成分结构和活性分析

LIFE SCIENCE RESEARCH(2000)

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Abstract
研究米糠多糖(rice bran polysaccharide,RBS)的提取纯化方法,并对其进行组成成分、化学结构和物理性质分析以及活性测定。热水抽提法从稻糠中制取粗制RBS多糖。层析分离纯化得到精制多糖。对精制多糖进行元素分析、糖和蛋白含量测定、红外特征吸收光谱测定和碳谱核磁共振测定,以及对Balb/c小鼠同源Meth-A纤维肉瘤抑瘤活性测定等。测定结果显示RBS多糖为一种以α-1,4和α-1,6糖苷键为主要化学结构的葡聚糖,并对Meth-A纤维肉瘤有抑制作用。
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Key words
rice bran polysaccharide(RBS),extraction,purification,α-glucan,anti-tumor activity
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