CONCENTRATION OF WET TOBACCO EXTRACTS

A method of manufacturing a concentrated tobacco extract for an aerosol-generating article is provided, including: providing a natural tobacco material; heating the material to a temperature and for a time such that volatile species including nicotine are released from the material, the heating incl...

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Bibliographische Detailangaben
Hauptverfasser:	LANASPÈZE, Sébastien, LAUENSTEIN, Stefan, RAPHOZ, Christel, FRAUENDORFER, Felix, SILVESTRINI, Patrick Charles, FARINE, Marie, TZIMOULIS, Steve
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CIGARETTES CIGARS FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING ORCHEWING PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL SMOKERS' REQUISITES SNUFF THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TOBACCO
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Beschreibung
Zusammenfassung:	A method of manufacturing a concentrated tobacco extract for an aerosol-generating article is provided, including: providing a natural tobacco material; heating the material to a temperature and for a time such that volatile species including nicotine are released from the material, the heating includes heating the material in a flow of inert gas or in a flow of a combination of an inert gas with water or steam or heating the material under vacuum; collecting the released volatile species and forming a liquid, naturally derived tobacco extract including the collected species, a polyhydric alcohol, and at least about 40 percent by weight of water; and heating the liquid extract to evaporate at least some of the water and obtain concentrated tobacco extract, by heating to a temperature and for a time such that a water content in the naturally derived tobacco extract is reduced by at least about 60 percent.