等电点沉淀法分离毛发水解物L-酪氨酸

ISOLATING L-TYROSINE FROM HUMAN HAIR HYDROLYSATES BY THE METHOD OF ISOELECTRIC PRECIPITATION

本文叙述了以毛发水解液为起始原料,利用等电点沉淀法,在不影响提取L-胱氨酸的同时,提取了L-酪氨酸的工艺过程。得率为0.45％,产品质量达到日本药典标准。

L-Tyrosine is isolated in 0.45% yield from human hair hydrolysates by the method of isoelectric precipitation. The isolation process is simple and easy-to-handle and has no influence on the separation of L-Cystine. quality of the product L-Tyrosine reaches the standards of Japanese medical dictionary.