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自头发七中提取多糖并予以纯化，经气相色谱鉴定头发七多糖是由鼠李糖、阿拉伯糖、木糖、甘露糖、葡萄糖和半乳糖组成的均一杂多糖，克分子比数为3．43：2．86：1．00：8．57：85．71：5．71。
Seven polysaccharides were extracted from hair and purified. The hair polysaccharide was identified as a homopolysaccharide consisting of rhamnose, arabinose, xylose, mannose, glucose and galactose. The molar ratio was 3. 43:2.86:1.00:8.57:85.71:5.71.