METHOD FOR PREPARING AMINO ACID MIXTURE FROM PROTEIN HYDROLYZATE Russian patent published in 2008 - IPC C12P13/04 C12P13/08 C12P13/10 C12P13/24 C07C227/28 C07C227/40 

FIELD: food industry, medicine.

SUBSTANCE: invention relates to a method for production of highly purified amino acid mixtures. Method involves separation of suspended particles and clearing protein hydrolyzate on clearing sorbent. Ammonia is removed from hydrolyzate by its passing through desalting system at the rate from 2 to 3 volumes per volume of desalting system/h followed by carrying out sorption of amino acids on cation-exchange resin in H⁺-form. Amino acids are eluted from cation-exchange resin with alkali solution and eluate is subjected for microfiltration and drying. Desalting system represents a system of succession connected ion-exchange column with alternating cation-exchange resin - anion-exchange resin wherein volume of anion-exchange resin provides exceed of its full ion-exchange capacity by 20-25% as compared with that in cation-exchange resin. Method provides enhancing effectiveness of ion-exchange purification of amino acids.

EFFECT: improved preparing method.

6 cl, 2 dwg, 1 tbl, 3 ex