METHOD FOR PRODUCING OF SWELLED TOBACCO VEIN Russian patent published in 2007 - IPC A24B5/16 A24B3/12 A24B3/18 A24B15/24 

FIELD: production and processing of tobacco.

SUBSTANCE: method involves extracting mixture of estragon and cacao bean shell using liquid carbon dioxide; separating miscella; moistening tobacco vein; impregnating with separated miscella and simultaneously increasing pressure; reducing pressure to atmospheric pressure value at rate providing freezing of carbon dioxide sucked in miscella; heating at rate providing subliming of carbon dioxide to obtain base product. Base product may be utilized as part of mix for smoking tobacco articles in an amount exceeding 30% because upon smoking-through, it does not produce cellulose taste.

EFFECT: increased efficiency in producing of aromatized tobacco vein with increased volume.