This paper reviews the progress on chitin deacetylase(CDA)at home and abroad,such as the microbial source,property,substrate specificity,biological function,molecular biology and so on.

• 本文综述了国内外研究甲壳质脱乙酰酶(CDA)的概况,包括酶的微生物来源、性质、底物特性、生物学功能及分子生物学等,以及CDA潜在的应用价值。