FIELD: analytical biochemistry, amino acids. SUBSTANCE: invention relates to methods of isolation of individual amino acids (tyrosine and tryptophan) from their mixtures and can be used in chemical, food, microbiological industry and agriculture. The aim of invention is separation of mixture components without accessory reagents using. Method involves passing analyzed amino acids hydrochloric solution at pH = 1.0 through strong-base anionite AV-17-2P in Cl-form followed by elution with water. EFFECT: improved method of amino acids separation. 1 ex
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