METHOD OF EXTRACTING ESSENTIAL OIL FROM DILL Russian patent published in 2019 - IPC C11B9/00 

FIELD: essential oils industry.

SUBSTANCE: invention relates to the essential oil industry. Method involves dill fruits grinding, extraction of ground raw material with an organic solvent in Soxhlet apparatus, evaporation of the solvent. Organic solvent used is an easily boiling liquid – methyl ether of perfluorobutane at a raw material/solvent ratio of 1:4.5–9.0 wt/wt, extraction of raw material is carried out for 1–4 hours, obtained extract is evaporated to obtain an oil extract, which is treated with ethanol 96 % vol/vol, at an oil extract/ethanol ratio of 1:2 vol/vol, then the mixture of oil extract and ethanol is centrifuged to separate a solution of essential oil in ethanol, which is evaporated under vacuum at 40 °C to obtain purified essential oil of dill.

EFFECT: invention enables to develop an effective environmentally safe method of extracting common dill essential oil which does not require specialized and complex equipment.

1 cl, 1 dwg, 3 tbl, 3 ex