Studies on sulfated modification of Cordyceps polysaccharide
To improve the biological activity of Cordyceps polysaccharide, and in-depth develop Cordyceps resources, the experiment obtained Cordyceps polysaccharide from the Cordyceps mycelium powder through extraction, filtration, protein and freezedried using the method of water extraction and alcohol precipitation; modified its sulfation using the method of chlorosulfonic acid - pyridine, then obtained sulfated product; identified sulfate of the reshaping polyoses using the conventional methods of the potassium bromide mixing tablet and barium sulfate nephelometry, sulfur content was 19.18%, and sulfur degree of substitution was 2.43.
Cordyceps Cordyceps polysaccharide sulfated modification chlorosulfonic acid - pyridine
ZHAO Jun WU Shu-qing LIU Bing-xu
Bio-Scientific and Technical College, Chang Chun University Changchun, China Zhengzhou zoo Zhengzhou, China
国际会议
山东淄博
英文
824-826
2011-05-27(万方平台首次上网日期,不代表论文的发表时间)