A method of reducing the amount of matrix-bound NNK in cured tobacco plant material is provided comprising reducing the amount of lignin in the cured tobacco plant material. A further method of reducing the formation of matrix-bound NNK during the curing of tobacco plant material is described comprising reducing the amount of lignin therein prior to curing.

A method of reducing the amount of matrix-bound NNK in cured tobacco plant material is provided comprising reducing the amount of lignin in the cured tobacco plant material. A further method of reducing the formation of matrix-bound NNK during the curing of tobacco plant material is described comprising reducing the amount of lignin therein prior to curing.

In general, this invention belongs to the tobacco production and processing sector and more specifically it refers to the method of producing cut rag tobacco for cigarettes and other products from green tobacco leaves by the innovative integration of the GLT and Primary processes, with lower investment and operational production costs, while generating cut rag tobacco with high filling power while maintaining a flavor approximately equal to that of the original tobacco.

In general, this invention belongs to the tobacco production and processing sector and more specifically it refers to the method of producing cut rag tobacco for cigarettes and other products from green tobacco leaves by the innovative integration of the GLT and Primary processes, with lower investment and operational production costs, while generating cut rag tobacco with high filling power while maintaining a flavor approximately equal to that of the original tobacco.

A tobacco preparation method, where a tobacco material is prepared through at least one extrusion process including compressing the material with an increase in pressure and temperature and mechanically processing and abruptly flash drying the material at an extruder outlet, where the tobacco material includes a tobacco lamina material, where a tobacco preparation device includes a dosing conveyor and an extruder which compresses a tobacco material with an increase in pressure and temperature and mechanically process and abruptly flash dries the material at the extruder outlet, where the components are designated as a unit which can be modularly delimited for processing a tobacco material including a tobacco lamina material, where an arrangement of several tobacco preparation devices and a smoking article or cigarette manufacturing device includes such a device or such a device arrangement which is connected upstream of a cigarette maker or a secondary unit as a tobacco preparation module.

A tobacco preparation method, where a tobacco material is prepared through at least one extrusion process including compressing the material with an increase in pressure and temperature and mechanically processing and abruptly flash drying the material at an extruder outlet, where the tobacco material includes a tobacco lamina material, where a tobacco preparation device includes a dosing conveyor and an extruder which compresses a tobacco material with an increase in pressure and temperature and mechanically process and abruptly flash dries the material at the extruder outlet, where the components are designated as a unit which can be modularly delimited for processing a tobacco material including a tobacco lamina material, where an arrangement of several tobacco preparation devices and a smoking article or cigarette manufacturing device includes such a device or such a device arrangement which is connected upstream of a cigarette maker or a secondary unit as a tobacco preparation module.

The present invention relates to a method to produce a homogenized tobacco material for use in a heat-not-burn aerosol-generating article, comprising the steps of: —selecting a first target value for a first tobacco characteristic, said first tobacco characteristic being reducing sugars and the first target value being comprised between about (8) percent and about (18) percent in dry weight basis of a total amount of tobacco present within the homogenized tobacco material; —selecting a second target value of a second tobacco characteristic, wherein the second tobacco characteristic is one of total ammonia and total alkaloids; —blending graded tobacco types so as to form the tobacco blend, each graded tobacco type comprising a predetermined amount of the first and second tobacco characteristics, so that the first and second target values of said first and second tobacco characteristics are obtained in said blend within a predetermined tolerance range; —grinding said tobacco blend into a blended tobacco powder; —forming a slurry comprising the blended tobacco powder; and forming a web of homogenous tobacco web from the slurry.

The present invention relates to a method to produce a homogenized tobacco material for use in a heat-not-burn aerosol-generating article, comprising the steps of: —selecting a first target value for a first tobacco characteristic, said first tobacco characteristic being reducing sugars and the first target value being comprised between about (8) percent and about (18) percent in dry weight basis of a total amount of tobacco present within the homogenized tobacco material; —selecting a second target value of a second tobacco characteristic, wherein the second tobacco characteristic is one of total ammonia and total alkaloids; —blending graded tobacco types so as to form the tobacco blend, each graded tobacco type comprising a predetermined amount of the first and second tobacco characteristics, so that the first and second target values of said first and second tobacco characteristics are obtained in said blend within a predetermined tolerance range; —grinding said tobacco blend into a blended tobacco powder; —forming a slurry comprising the blended tobacco powder; and forming a web of homogenous tobacco web from the slurry.

The present invention relates to method for production of a slurry for homogenized tobacco material, said method comprising: —Selecting tobacco of one or more tobacco types; —Coarse grinding said tobacco; —Blending said tobacco of one or more tobacco types; and —Fine grinding said tobacco of one or more tobacco types.

The present invention relates to method for production of a slurry for homogenized tobacco material, said method comprising: —Selecting tobacco of one or more tobacco types; —Coarse grinding said tobacco; —Blending said tobacco of one or more tobacco types; and —Fine grinding said tobacco of one or more tobacco types.