METHOD OF PRODUCTION RECONSTITUTED TOBACCO Russian patent published in 2009 - IPC A24B3/14 

FIELD: tobacco industry.

SUBSTANCE: invention refers to the technology of tobacco refuse processing. The method includes lemon-balm extraction by nonpolar liquefied gas to obtain the specified extract. Also the processes of mixing of the tobacco materials with liquid carbon dioxide, its extraction and blending together with periodical depressurising in the extraction mixture to lower the pressure of the moist steam of carbon dioxide at the extraction temperature, separation of miscella and oil meal are carried out. The oil meal is slurred in the water solution of edible acid and the edible alcohol is introduced into liquor. Then liquor is formed, dried till residual humidity of 13-15%, cut and steeped in gas-liquid lemon-balm extract and separated CO₂ miscella with simultaneous pressure increase, depressurising to atmospheric pressure with simultaneous freezing of soaked carbon dioxide and its distillation is carried out to obtain in the remnant the target product.

EFFECT: improvement of reconstituted tobacco organoleptical properties, decrease of the duration of technological process.