MANUFACTURING METHOD OF RESTORED TOBACCO Russian patent published in 2009 - IPC A24B3/14 

FIELD: tobacco goods.

SUBSTANCE: method provides extraction of East Indies basil by liquid carbon dioxide with separation of corresponding miscella, blending of tobacco material with nonpolar liquefied gas, its extraction and grinding at intermittent pressure release in extraction mixture lower the pressure of saturated steams of extractant at extraction temperature, separation of miscella and extraction cake, slurrying of extraction cake in water solution of food acid, introduction into suspension of food polyhydric alcohol, its forming, drying up to residual moisture 13-15%, cutting, impregnation by gas-liquid extract of tobacco and separated CO₂-miscella with simultaneous pressure boost, pressure release up to atmospheric with simultaneous freezing of absorbed carbon dioxide and its sublimation with receiving in the rest of desired product.

EFFECT: reduction of process duration and receiving of restored tobacco with improved organoleptic properties.