FIELD: extraction of valuable components from solids. SUBSTANCE: the method consists in preliminary grinding of vegetable raw material with a subsequent action by ultrasound at a frequency of 22 kHz and intensity of ultrasound action within 1 to 70 W/sq.cm for 60 to 420 s in a solution of ethanol. EFFECT: facilitated procedure. 2 cl, 1 dwg, 2 tbl
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Authors
Dates
1998-02-20—Published
1996-11-06—Filed