A preliminary exploration has been made on the process of extracting chitin from the pupa skin, and the properties of the chitin extracted from pupa skin and that from shrimp and crab were compared.

• 对提取甲壳质的工艺进行了初步研究，并对柞蚕蛹皮制甲壳质和虾蟹制甲壳质的性能作了比较分析。