| 摘要 |
NEW MATERIAL:An antitumor substance BE-7585A expressed by the formula or salvation product thereof. Furthermore, 1 hydrate thereof has the following physicochemical properties. Appearance, red powder; molecular formula, C37H46 O20S.H2O; elemental analysis%, C 51.63, H 5.60, S 3.30; solubility, soluble in water, methanol and acetone and slightly soluble in ethyl acetate and insoluble in chloroform and n-hexane; color reaction, positive to magnesium acetate reaction and potassium permanganate reaction; weakly acidic substance, etc. USE:Antitumor agent. PREPARATION:A microorganism belonging to the genus Amycolatopsis such as Amycolatopsis orientalis subsp.vinearia BA-07585 strain (FERM P-10415) is inoculated into a nutritive source and aerobically cultured. |
