| 摘要 |
FIELD: medicine. ^ SUBSTANCE: berry waste - pressed skins of black chokeberry Aronia Melanocarpa - are extracted with isopropyl alcohol at room temperature followed with release of end product by concentration to 1/8-1/10 volumes and cooling of isopropanol extract, separation of deposited paste, processed by caustic potash solution in isopropyl alcohol, with following acidation of filtered solution with diluted hydrochloric acid to pH 6-7. ^ EFFECT: method is producible, fire-safe and cost-effective. ^ 1 tbl, 5 ex |
