食品工业科技2012，Vol.33Issue(10)：250-252,256,4.
臭氧降解制备低聚壳聚糖的研究
Preparation of chito-oligosaccharide by ozone degradation
摘要
Abstract
In order to prepare water-soluble chito-oligosaccharide,the process of degradation macromolecular chitosan by ozone in acetic acid homogeneous phase was investigated.The molecular weight and the distribution of chitosan in oxidative degradation process with ozone as oxidant was tracked by gel permeation chromatorgraph（GPC）.Conditions for preparing different molecular weight chitosans were optimized.The result showed that the best chitosan degradation conditions were the flow rate of oxygen 1.2L/min,the reaction time 20min,the concentration of chitosan 2g/L,the yield of water-soluble chito-oligosaccharide was 66.7%,the average molecular weight was 9500u.关键词
壳聚糖/低聚壳聚糖/降解/凝胶渗透色谱/臭氧Key words
chitosan/chito-oligosaccharide/degradation/gel permeation chromatorgraph/ozone分类
轻工纺织引用本文复制引用
唐超,罗文波,曾新安..臭氧降解制备低聚壳聚糖的研究[J].食品工业科技,2012,33(10):250-252,256,4.基金项目
国家自然科学基金 （）
广州市科技攻关项目 （）
