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

FIELD: tobacco goods.

SUBSTANCE: method provides extraction of rose flowers by nonpolar liquefied gas with receiving of corresponding extract, blending of tobacco material with liquid carbon dioxide, its extraction and grinding at intermittent pressure release in extraction mixture lower the pressure of saturated steams of carbon dioxide 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 rose flowers 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.