FIELD: biotechnology.
SUBSTANCE: chopped raw material is kept with a solvent to equilibrium and the extract is separated from the solid phase by filtration. The solvent is used as a mixture of cosmetic emollient with cyclopentasiloxane in the ratio 1:1. Extraction is carried out in two stages at a temperature of not more than 45°C and the mass ratio of the solvent and the raw material of from 1:1 to 2:1. At the second stage the oil meal is treated with pure cyclopentasiloxane. The extract of the second stage is mixed with the emollient and the resulting mixture is returned to the first stage as the solvent.
EFFECT: invention enables to obtain native plant extracts of increased concentration and to reduce the loss of extractive substances and solvents.
3 cl, 2 ex
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