壳聚糖的改性及其应用

Modification and Application of Chitosan

壳聚糖是由甲壳素衍生而来的重要衍生物,甲壳素是仅次于纤维素的第二大天然有机物,广泛存在于虾、蟹、昆虫的外壳以及真菌和一些藻类的细胞壁中。壳聚糖和改性壳聚糖有很大的用途,它们可以用于医用,食物以及一些生活用品上。例如壳聚糖具有一定的生理活性,可以用于细菌的活性的控制,以及控制人体的胆固醇和血压等。本文将要对壳聚糖的一些改性进行介绍以及改性后的物质的一些应用。

Chitosan is an important derivative of chitin,chitin is the second largest natural organics only next to cellulose,widely exists in shell of shrimp,crab and insects and in the cell walls of fungi and some algae . chitosan and modified chitosan has a lot of use,they can be used for medical,food and some daily necessities ; such as the chitosan has certain physiological activity,so it can be used to control bacterial activity and the human‘s cholesterol and blood pressure. in this paper,some modification of chitosan and applications of modified chitosan will be introduced.