摘要
目的:研究石莼硫酸多糖的分离纯化条件并对其结构进行解析。方法:对石莼水溶性硫酸多糖的分离、纯化条件进行优化,用苯酚-硫酸法测定粗多糖中多糖的含量;高效凝胶色谱测定多糖分子量;红外光谱和碳谱分析多糖结构。结果:石莼硫酸多糖最佳提取条件为材料粉碎20目,用20倍量水85℃煎煮3次,每次2h。多糖含量为22.64%,分子量为1156112。所得可溶性多糖结构中主要含有β-葡糖醛酸和鼠李糖2种单糖,且多糖中含有大量的硫酸根。结论:本方法操作简便、结果稳定,可为工业生产提供理论依据。
OBJECTIVE:To study the separation and purification of polysaccharides sulfate from Ulva lactuca,and to analyze its structure.METHODS:The separation and purification method of polysaccharides sulfate from U.lactuca was optimized.The content of polysaccharides in polysaccharides sulfate was determined by phenyl-sulfuric acid method.The molecular amount of polysaccharides was determined by HPGC.The structure of polysaccharides was analyzed by IR and ^13C-NMR.RESULTS:The optimal extraction condition of polysaccharides sulfate from U.lactuca were crashed materials 20 mesh sieve,20-fold water,decocting 3 times at 85 ℃,2 hours each time.The content of polysaccharides was 22.64% and molecular amount was 1 156 112.Soluble polysaccharides mainly contained β-glucuronic acid,rhamnose and plenty of sulfate radical.CONCLUSION:The method is simple and stable,which provides theoretic basis for production of polysaccharides sulfate from U.lactuca.
出处
《中国药房》
CAS
CSCD
北大核心
2010年第27期2524-2526,共3页
China Pharmacy