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引用本文:石学连,张晶晶,宋厚芳,王 晶,张忠山,张全斌.浒苔多糖的分级纯化及保湿活性研究[J].海洋科学,2010,34(7):81-85.
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浒苔多糖的分级纯化及保湿活性研究
石学连1,2, 张晶晶1,2, 宋厚芳1,2, 王 晶1,2, 张忠山1,2, 张全斌1
1.中国科学院海洋研究所;2.中国科学院研究生院
摘要:
用DEAE-Sepharose FF 离子交换凝胶层析柱对浒苔(Enteromorpha)多糖进行分级纯化, 利用HPLC 色谱分析了单糖组成, 并以甘油和透明质酸为对照, 研究其吸湿和保湿活性。结果表明, 浒苔多糖主要为葡萄糖醛酸-鼠李糖-木糖-甘露糖聚合物; 浒苔多糖主要由两种组分组成, 其一组分木糖和鼠李糖含量摩尔比为1.11 : 1, 另一组分木糖和鼠李糖含量比为1:3.28; 浒苔多糖具有与透明质酸相似的吸湿和保湿能力。
关键词:  浒苔(Enteromorpha)  多糖  保湿
DOI:
分类号:
基金项目:国家科技支撑计划项目(2008BAC49B04)
Polysaccharides from Enteromorpha linza: Purification and moisture-preserving activity
SHI Xue-lian,ZHANG Jing-jing,SONG Hou-fang,WANG Jing,ZHANGZhong-shan,ZHANG Quan-bin
Abstract:
To study the properties of moisture absorption and retention by polysaccharides from Enteromorpha linza. The polysaccharides were purified by anion-exchange chromatography (a DEAE-Sepharose FF column). The monosaccharide residues were analyzed by HPLC (SHIMADZU-20A). The properties of moisture absorption and retention of polysaccharides from Enteromorpha linza were investigated by controlling the relative humidity, and compared with glycerol and hyaluronic acid. The main composition of the polysaccharides was glucurono-xylomannorhamnan. The polysaccharides had two sub-fractions; the ratio of xylose/rhamnose for one fraction was 1.1:11, and 1:3.28. for the other. The polysaccharides and hyaluronic acid had similar properties of moisture absorption and retention. The Polysaccharides from Enteromorpha linza had distinct moisture-preserving activity, and can be further studied as a type of natural moisturizer.
Key words:  Enteromorpha linza  polysaccharides  moisture-preserving
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