FIELD: chemical- -pharmaceutical industry, pharmacy technology. SUBSTANCE: method involves raw milling by rolling to particles size 1 mm, not above, raw extraction with 60-80% ethyl alcohol at the room temperature and in the ratio raw : extractant = 1:(5-7). Concentration of extract is carried out by evaporation under vacuum up to complete alcohol removal and preparing an aqueous concentrate up to the ratio raw : concentrate = 1:(0.8-0.3) and drying is carried out by spraying. EFFECT: simplified process, decreased labor intensity, decreased time of process carrying out, increased yield of product. 4 tbl, 3 ex
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