分光光度法测定壳寡糖平均聚合度的研究  

Research of the spectrophotometry for the average polymerization rate of Chito-oligosaccharide

作　　者：刘琳[1] 张杰[1] 李鹏[1] 曾凡骏[1] 

机构地区：[1]四川大学食品科学与工程系,成都610065

出　　处：《食品科技》2010年第9期318-321,共4页Food Science and Technology

摘　　要：研究了壳寡糖的定性检测和其平均聚合度的分光光度法测定。壳寡糖的最佳水解条件为:水解时间2.5 h,料酸比为1∶4,盐酸浓度为6 mol/L。研究的壳寡糖平均聚合度的分光光度法测定,经凝胶渗透色谱验证,能较为准确地判断壳寡糖的平均聚合度。Research on the qualitative detection of chitosan and the spectrophotometry for the average polymerization rate of chitosan.The best condition to hydrolyze the chitosan is： the reaction time is 2.5 h,acid-material ratio is 1∶4,the concentration of HCl is 6 mol/L.Established the spectrophotometry for the average polymerization rate of chitosan,use GPC to check the result,receive a satisfactory outcome.

关 键 词：壳寡糖 定性检测 分光光度法 平均聚合度 

分 类 号：O657.31[理学—分析化学]