METHOD FOR PRODUCING OF AROMATIZED EXPANDED TOBACCO VEIN Russian patent published in 2006 - IPC A24B5/00 A24B5/16 A24B15/24 

FIELD: production of aromatized expanded tobacco vein, in particular, manufacture of smoking articles.

SUBSTANCE: method involves extracting violet flowers using liquid carbon dioxide and separating miscella; moistening tobacco veins with the use of separated miscella and simultaneously increasing pressure; thereafter, relieving pressure to atmospheric pressure value at rate providing freezing of carbon dioxide as part of miscella; heating at heating rate providing dry distillation of carbon dioxide for obtaining of base product.

EFFECT: increased volume of aromatized tobacco vein.

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