FIELD: chemistry of peptides. SUBSTANCE: invention relates to the new physiologically active hexapeptide of the formula: Glu-His-Phe-Pro-Gly-Pro showing the memory stimulating activity. Stimulating activity of the claimed preparation is detected in experiments of animal training in different tests. Activity of hexapeptide exceeds that of the known memory stimulating preparation "Semax" significantly. Hexapeptide accelerates animal training in different tests. Hexapeptide can be used in medicine, namely in pharmacology branch. EFFECT: increased activity of the hexapeptide. 3 tbl
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