FIELD: pharmaceutical and food industry. SUBSTANCE: invention relates to method of isolation of bioactive substances from vegetable raw. Method involves extraction of vegetable raw with ethyl alcohol an aqueous solution resulting to isolation of the end products. The source of vegetable raw is the pine (Pinus sibirica L.) seeds waste reprocessed waste. Extraction of raw is carried out with 50-94 wt.-% ethyl alcohol an aqueous solution at alcohol boiling point for 10-12 h in the ratio of raw and extracting agent = 1:(5-7) by mass. Isolation of the end products is carried out by evaporation of ethanol extract followed by extraction with diethyl ether and butyl alcohol. EFFECT: increased yield of quantitative and qualitative composition of products to be obtained, utilization of vegetable raw processing waste. _
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Authors
Dates
2001-09-27—Published
1999-07-12—Filed