In this paper, a new technics of preparing nonderived, low degree of deacetylation, water-soluble chitin and an assay to define the molecular weight and degree of deacetylation have been investigated.

• 本论文研究了制备非衍生化、低脱乙酰度、水溶性甲壳素的新工艺，并探讨了水溶性甲壳素脱乙酰度及分子量的测定方法。