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

FIELD: tobacco production and processing.

SUBSTANCE: method involves extracting mixture of lemon balm and jasmine flowers with the use of liquid carbon dioxide; separating miscella; moistening tobacco stem; impregnating with separated miscella and simultaneously increasing pressure; reducing pressure to atmospheric pressure value at rate providing freezing of carbon dioxide sucked by miscella; heating at rate providing subliming of carbon dioxide for obtaining of base product. Base product may be used as mesh part of tobacco smoking articles in an amount exceeding 30% since on smoking it does not impart cellulose taste.

EFFECT: increased efficiency in producing of aromatized tobacco stem having increased volume.