METHOD FOR PRODUCING OF EXPANDED TOBACCO STEM Russian patent published in 2007 - IPC A24B3/00 A24B3/18 

FIELD: process for increasing volume and aromatizing of tobacco stem.

SUBSTANCE: method involves extracting mixture of brandy mint and grape pomace using liquid carbon dioxide; separating mycelium; wetting tobacco stem; impregnating it with separated mycelium and simultaneously increasing pressure; thereafter, relieving pressure to atmospheric pressure value at the rate ensuring freezing of carbon dioxide absorbed by mycelium, and heating at heating rate ensuring carbon dioxide sublimation for obtaining of base product.

EFFECT: provision for producing of aromatized tobacco stem with increased volume.