发明授权
US4835301A Process for producing stable .alpha.-L-aspartyl-L-phenylalanine methyl ester 失效
生产稳定的α-L-天冬氨酰-L-苯丙氨酸甲酯的方法

Process for producing stable .alpha.-L-aspartyl-L-phenylalanine methyl
ester
摘要:
A process for producing stable .alpha.-L-aspartyl-L-phenylalanine methyl ester, which comprises heat-treating crystals of .alpha.-L-aspartyl-L-phenylalanine methyl ester having a water content of from 5 to 15% by weight based on wet crystals, at a temperature of higher than 50.degree. C. and lower than 80.degree. for at least 30 minutes.
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