FIELD: medicine, pharmaceutics.
SUBSTANCE: invention refers to pharmaceutical and food industries, specifically to a method for preparing gamma-glycine which is widely used as a biologically active additive. The presented method for preparing gamma-glycine from the solution consists in re-crystallisation of glycine in an aqueous solution with citric acid 1-30 mol % added to the solution. The process may be carried out more than once by adding fresh portions of glycine to the mother liquor after removal of the deposit.
EFFECT: method enables simplifying the process of gamma-glycine from the aqueous solutions.
2 cl, 1 tbl, 1 ex
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