FIELD: cardiology. SUBSTANCE: preparation is obtained via extracting, with 45 wt % ethanol at 60 C, leaves with flowers Crataegus followed by ultrafiltration of extract through membrane filter with cutting threshold 3000 D. Preparation can also be obtained by extraction and subsequent separation of low-molecular components, which is accomplished involving liquid-liquid distribution technique in butanol-water system. Extraction may as well be followed by absorption of flavonoids and procyanidines on sorbent. Pharmaceutical composition contains one of preparations. EFFECT: increased efficiency against cardiovascular afflictions in both preparations and compositions. 6 cl, 1 dwg, 3 tbl, 13 ex
