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本文比较详细地研究了鲨鱼鳍软骨在醋酸和氢氧化钠溶液中的降解特性，并对１００℃热水、木瓜蛋白酶、醋酸和氢氧化钠处理后的鲨鱼鳍软骨残留物进行了差示扫描量热分析．相对于醋酸溶液，鲨鱼鳍软骨更容易被氢氧化钠溶液降解；经过０．５ＭＰａ蒸气处理后的鲨鱼鳍软骨，在ｗ＝４０％的氢氧化钠溶液中降解率比未处理的软骨提高３４．２％．差示扫描量热分析结果表明，鲨鱼鳍软骨存在一个吸热峰，两个放热峰；峰高在７６～８３℃处的吸热峰可能是鲨鱼鳍软骨中的胶原蛋白造成的，而峰高在３６０℃处的最大放热峰是鲨鱼鳍软骨结构的破坏，且主要是蛋白多糖的断裂产生的
In this paper, the degradation characteristics of shark fin cartilage in acetic acid and sodium hydroxide solution were studied in detail, and the differential scanning of shark cartilage residue after treatment with 100 ℃ hot water, papain, acetic acid and sodium hydroxide Thermal analysis. Compared with acetic acid solution, shark fin cartilage was more easily degraded by sodium hydroxide solution; after 0.5MPa steam treatment shark fin cartilage, the degradation rate in w = 40% sodium hydroxide solution was 34% higher than untreated cartilage. 2%. Differential scanning calorimetry analysis showed that there was one endothermic peak and two exothermic peaks in shark cartilage. The endothermic peak at 76-83 ℃ may be caused by collagen in shark cartilage, while the peak The maximum exothermic peak at 360 ° C is the destruction of the shark’s cartilage structure and is mainly caused by the rupture of proteoglycans