| 摘要 |
FIELD: medicine, pharmaceutics.SUBSTANCE: invention refers to cosmetic and pharmaceutical industry, particularly a method for preparing an aqueous extract of crude drugs. The method for preparing an aqueous extract of crude drugs rich in active extractants consisting in the fact that ground, dried or fresh crude drugs are placed in a vapour vessel provided in a thermostat oven; crud drugs are heated with temperature gradually increased, and the vapour vessel cooled in certain environment.EFFECT: aqueous extracts prepared by the method described above are rich in active substances and have a long shelf life without loss of desired biological activity.6 ex |
