FIELD: food industry. SUBSTANCE: invention relates to technology of juices production. Method for preparing vegetable raw before extraction of juice involves treatment of raw with preparation obtained from sequential extraction of biomass of micromycetes Mortierella pulchella with nonpolar extractant in supercritical state, water, alkali, water, acid, water, alkali and water followed by combination of the first extract with solid residue in the amount (0.5-1) x 104 mg/t and keeping for 2-5 h. After grinding vegetable raw is passed between pair electrodes. EFFECT: improved preparing method. 2 ex
