METHOD OF SEPARATING .alpha.-L-ASPARTYL-L-PHENYLALANINE METHYL ESTER THROUGH CRYSTALLIZATION

摘要

A method of separating .alpha.-L-aspartyl-L-phenylalanine methyl ester comprises crystallizing the ester from a solution in a solvent based on water and a lower alcohol; as compared with prior methods significantly less solvent is required; the ester is useful as a low-calory sweetener.