食品科学 ›› 2006, Vol. 27 ›› Issue (4): 67-70.

• 基础研究 • 上一篇    下一篇

硫酸软骨素肽的分离纯化和鉴定

 熊双丽, 金征宇   

  1. 江南大学食品科学技术学院
  • 出版日期:2006-04-15 发布日期:2011-09-13

Study on Isolation, Purification and Identification of Chondroitin Sulfate-peptide

 XIONG  Shuang-Li, JIN  Zheng-Yu   

  1. School of Food Science and Technology, Southern Yangtze University, Wuxi 214036, China
  • Online:2006-04-15 Published:2011-09-13

摘要: 本文直接用木瓜蛋白酶提取软骨硫酸软骨素肽,采用表面活性剂和三氯乙酸除蛋白质,乙醇沉淀多糖,透析,DEAE-SepharoseFastFlow离子交换层析,从软骨中分离得到多糖肽,经红外光谱和琼脂糖电泳证明主要成分为硫酸软骨素肽,高效液相色谱和琼脂糖电泳证明该产品均一,纯度达到99.09%,相对分子量为75174Da,氨基酸平衡,呈味氨基酸较多。

关键词: 硫酸软骨素肽, 分离纯化, 鉴定

Abstract: The crude chondroitin sulfate-peptide was extracted by papain hydrolysis, isolated and purified by detergent such as tricloroacetic acid, alcohol precipitation, dialysis and DEAE-Sepharose Fast Flow ion exchange column chromatography. Being identified by UV spectrum, IR spectrum, agarose gel electrophoresis and HPGPC, the results showed that chondroitin sulfate- peptide was predominant over the whole cartilage polysaccharide, with relevant molecular weight as 75174Da, and balanced amino acid components.

Key words: chondroitin sulfate-peptide, isolation and purification, identification