用甲醇对油样中l -抗坏血酸棕榈酸酯进行提取，对提取物在酸性条件下水解，用水解产物对2,6 -二氯酚靛酚钠溶液进行滴定。
L-ascorbyl palmitate in the methanol extract is hydrolyzed under acid condition, and 2, 6-dichlorophenol indophenol sodium solution is titrated with the hydrolysate.
水解产物的红外光谱分析表明，水解产物是含有羧基、酰胺基、环亚胺基等多种结构单元的共聚物。
The infrared spectral analysis of the hydrolyzation product shows that the hydrolyzation product contains carboxyl, acetamide group, and a small amount of cyanogen group.
谷蛋白水解产物通过水解动物皮、制革工艺各阶段的废物、制革工业中的废剪取物和皮下脚料制取。
The hydrolyzate of glutelin is made by hydrolyzing animal's skin, the waste of each step of tanning process, shearing wastes and skin leftover bits and pieces in leather industry.
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