FIELD: medicine.
SUBSTANCE: invention refers to chemical-pharmaceutical and medical industry. Common valerian roots and rhizomes are extracted in 70% ethyl alcohol with following filtration of the extract from herbal raw material. Extraction is aided with ultrasonic waves of frequency 30 kHz and intensity 365-370 Wt/cm2 during 18-20 minutes at temperature 25-27°C at the relation of herbal raw material to 70% ethyl alcohol as 1:10.
EFFECT: invention allows improving yield and reducing preparation time of the product.
2 cl, 1 dwg, 1 tbl, 1 ex
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