L- PRODUCTION METHOD FOR PURIFIED MATERIAL CONTAINING CRYSTALLINE L-CARNOSINE ZINC COMPLEX

摘要

Wherein the content of the alkali metal salt is reduced, and the step (A) comprises bringing a liquid containing a crystalline L-carnosine complex and an alkali metal salt into contact with a liquid containing an alcohol having 1 to 3 carbon atoms, A process for producing a purified product containing a neodymium complex.