METHOD FOR PRODUCING OF EXPANDED TOBACCO STEM Russian patent published in 2007 - IPC A24B5/00 A24B3/12 A24B3/18 A24B15/00 A24B15/24 

FIELD: production of expanded tobacco stem which may be used as part of mix for tobacco smoking articles.

SUBSTANCE: method involves extracting mixture of brandy mint and lime flowers using liquid carbon dioxide; separating miscella to be further used for impregnation of moistened tobacco stems; simultaneously increasing pressure; reducing pressure to atmospheric pressure value at rate providing freezing of carbon dioxide sucked into miscella; heating at rate providing subliming of carbon dioxide for obtaining of base product.

EFFECT: provision for obtaining of light smoking articles which, when smoked through, do not create cellulose taste.

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