Model 655 Hitachi amino acid autoanalyzer was applied in the study. 利用氨基酸自动分析仪进行氨基酸及其酯化物的分析研究。
Spcctrophotometry is used to determine contents of multicomponent aminoacid.The principle is a good addition of absorbance of color reaction of amino acid and 3-dioxohydrindene. 采用分光光度法来测量氨基酸组分的含量，其原理是利用氨基酸组分与茚三酮的显色反应具有很好的加合性这一特点。
