茯苓多糖的提取及其羧甲基化研究_大学生本科毕业论文格式范文网 关键词 ：超声波；茯苓多糖；羧甲基化；胆酸结合试验 [gap=555]Keywords：ultrasound；pachymaran；carboxymethylation；binding capacity to bile acid
基于142个网页-相关网页
Methods: Made carboxymethylation in 6-OH of chitosan and studied temperature of Saponification, time of Saponification and time of etherification by orthogonal design.
方法:在壳聚糖6位羟基上进行羧甲基化,通过正交试验,对皂化温度、皂化时间以及醚化时间进行优化。
参考来源 - 壳聚糖的改性及保湿性研究—《中国医药导报》—2010年第2期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明，乙醇是作为羧甲基化反应的合适介质。
Results are showed as follows. Ethanol is the best medium for the reaction of carboxyl methylation.
在碱性条件下，以C1CH2COOH为羧甲基化试剂，对瓜胶粉进行化学改性。
Under alkaline condition, guar gum powder is modified by C1CH2COOH used as carboxymethyl agent.
研究了以荸荠渣（C6H9O4OH）为原料，采用甲醇溶剂法，在碱性条件下制备出荸荠渣羧甲基化产品（WCDCMCS）。
Water chestnut drege carboxymethylated product (WCDCMCS) is prepared and studied by methanol solvent method, using water chestnut drege (C6H9O4OH) as raw material under alkaline condition.
应用推荐