WO2009004487A2 - Produits en sachet destinés à la voie orale, comprenant des grains de tabac - Google Patents

Produits en sachet destinés à la voie orale, comprenant des grains de tabac Download PDF

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Publication number
WO2009004487A2
WO2009004487A2 PCT/IB2008/002566 IB2008002566W WO2009004487A2 WO 2009004487 A2 WO2009004487 A2 WO 2009004487A2 IB 2008002566 W IB2008002566 W IB 2008002566W WO 2009004487 A2 WO2009004487 A2 WO 2009004487A2
Authority
WO
WIPO (PCT)
Prior art keywords
tobacco
beads
percent
pouched
fines
Prior art date
Application number
PCT/IB2008/002566
Other languages
English (en)
Other versions
WO2009004487A3 (fr
Inventor
Stephen G. Zimmermann
Original Assignee
Philip Morris Products S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philip Morris Products S.A. filed Critical Philip Morris Products S.A.
Publication of WO2009004487A2 publication Critical patent/WO2009004487A2/fr
Publication of WO2009004487A3 publication Critical patent/WO2009004487A3/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco

Definitions

  • Tobacco used for making oral products is often ground using standard grinding techniques or finely cut.
  • the tobacco is ground to a usable size, typically anywhere from 20 mesh to 400 mesh and incorporated into an oral tobacco product. Particles of the desired size are separated during the grinding process from those particles that are too large or too small. Particles, such as dust or fines, that are too small are often discarded resulting in a great deal of waste.
  • an oral pouched tobacco product including a portion of loose tobacco material and extruded tobacco material in the form of beads.
  • the loose tobacco material is preferably ground, and includes particles ranging in size from between about 20 mesh and about 400 mesh.
  • the solid, extruded tobacco beads are formed from tobacco dust and fines, water, optionally a binder, and optionally flavorants, and can be formed in any appropriate size.
  • the tobacco bead (tobacco fines in a rounded, spheroid, or sphere shape which hereinafter are collectively referenced as a bead) is a flavor-releasing component that is dispersed throughout the loose tobacco material of the oral pouched tobacco product.
  • the solid, extruded tobacco beads are preferably substantially spherical or oval.
  • each tobacco bead preferably, about 5 weight percent to about 90 weight percent of each tobacco bead is tobacco fines, and more preferably from about 30 weight percent to about 65 weight percent of each tobacco bead is tobacco fines.
  • tobacco beads which do not include a binder additive preferably about 50 weight percent to about 100 weight percent of the tobacco beads is tobacco fines, more preferably , about 90 weight percent to about 100 weight percent of the tobacco beads is tobacco fines.
  • MCC microcrystalline cellulose
  • the MCC can be derived from bacterial, yeast, or plant sources or obtained from any commercial or pharmaceutical source.
  • a preferred binder is sugar beet fiber such as Fibrex® obtainable from Danisco A/S of Copenhagen, Denmark.
  • Other cellulosic material may also be incorporated into the beads. Combinations of MCC grades and of different cellulosic materials are also contemplated in the formation of tobacco beads.
  • the tobacco beads can be dispersed throughout a tobacco material to create an inner material that may be included in a pouch to create a snus. In another embodiment, the tobacco beads and tobacco material may be combined to create a loose, oral tobacco product.
  • Also provided is a method of making an oral pouched tobacco product comprising the steps of: grinding tobacco, said grinding step establishing a size distribution of particles, said distribution including tobacco fines and larger tobacco particles; utilizing said tobacco fines to form an agglomeration of tobacco fines by: separating said tobacco fines from said larger particles; and forming agglomerated tobacco fines; and placing said agglomerated tobacco fines, together with said larger tobacco particles in a pouch comprising a porous membrane.
  • the agglomerated tobacco fines are placed in the porous membrane during high-speed pouch filling operations.
  • the agglomerated tobacco fines are dried to a moisture content of about 0.5 weight percent to about 25 weight percent.
  • the tobacco fines are finer than 60 mesh or finer than 40 mesh.
  • the agglomerated tobacco fines are extruded and spheronized to form tobacco beads, the beads are combined with loose tobacco material to form a mixture, and the mixture is filled in the pouch by high-speed pouch filling operations.
  • the forming step may comprise mixing said tobacco fines with water to form a wet mass, extruding said wet mass into strands of extrudate, spheronizing said strands to form wet spheres and drying said wet spheres.
  • the method may further comprise at least partially coating tobacco beads made from the agglomeration of tobacco fines with at least one polymeric coating.
  • Figure 1 is an illustration of a pouched, oral tobacco product including tobacco beads
  • Figure 2 is an illustration of a cross-sectional view of a tobacco bead including a coating.
  • the oral tobacco product including tobacco beads.
  • the oral tobacco product may be a loose tobacco product or a pouched tobacco product.
  • the pouched tobacco product is sized and configured to fit comfortably in a user's mouth.
  • the pouched tobacco product has dimensions of less than about 5 cm (about 2 inches).
  • a pouched, oral tobacco product 50 includes an inner material.
  • the inner material includes a portion of a tobacco material 12 and at least one tobacco bead 14 enclosed in a pouch 55.
  • Preferably multiple tobacco beads 14 are dispersed throughout the tobacco material 12 to form the inner material that is enclosed within the porous membrane that forms the pouch.
  • the pouch 55 is formed from a porous, polymeric, organic, or food grade material.
  • the pouch material may be a web of cellulose fiber of the sort used to form tea-bags.
  • the porous membrane maintains sufficient structural integrity during the time period that the pouch 55 is used so that the inner material is retained therein.
  • the porous membrane may be dissolvable or disintegrable and composed of soluble polymers.
  • flavorants may be added to the porous membrane to provide additional flavor to the user.
  • the pouch 55 may be sized and configured for comfortable placement in a user's mouth between the cheek and gum.
  • the pouch 55 may have a square, rectangle, circular, moon, crescent, or oblong shape. Preferably, sharp corners are avoided as sharp corners may lead to oral discomfort.
  • the pouch 55 is sealed around one or more edges to contain the inner material within the pouch material.
  • the pores in the pouch material allow flavors to diffuse through the material and into the user's mouth.
  • the tobacco beads 14 are solid tobacco beads made of an agglomeration of tobacco fines and water.
  • the tobacco beads 14 may also include one or more flavorants 16.
  • the solid, extruded tobacco beads further include at least one non-tobacco flavorant.
  • the tobacco beads 14 include a binder 18. In another embodiment, the tobacco beads 14 do not include a binder.
  • the tobacco fines preferably have an average particle diameter suitable for forming a wet tobacco mixture which can be formed into tobacco beads.
  • the tobacco fines are preferably sieved with mesh size less than about 60 mesh to provide tobacco fines with a maximum particle size of about 0.5 mm. More preferably, the tobacco fines may be chosen within the range of about 60 mesh to about 400 mesh or higher mesh values.
  • Ground tobacco for inclusion in snus typically ranges from about 20 mesh to about 60 mesh. Particles of less than about 60 mesh tend to go airborne during pouching operations, thereby wasting tobacco and creating cleanliness issues during pouching operations. Thus, tobacco particles below 60 mesh are preferably separated out prior to pouching. These particles, which would otherwise be waste, can be formed into tobacco beads using the processes described herein.
  • mesh values are reported herein as United States standard sieve and those values reflect the ability of more than 95 percent of the particles of a given size to pass through a screen of a given mesh value. In that connection, mesh values reflect the number of mesh holes for each inch of screen.
  • the tobacco beads 14 can be prepared using known extrusion and spheronization processes for producing pharmaceutical pellets and flavored beads such as the techniques described in commonly owned U.S. Patent Application Publication No. 2007/0000505, filed on February 22, 2006, the entire content of which is incorporated herein by reference.
  • one method of making the beads 14 includes mixing tobacco fines with water to form a uniform wet mass and adding optional flavorants. The wet mass is then forced through an extruder to form strands of extrudate. The extrudate is broken into short strands and spheronized to form wet spheres.
  • the tobacco beads can be spheronized from the extrudate by using an LCI QJ-230T Marumerizer at a suitable rotation speed (e.g., 1200 RPM) for a suitable time (e.g., 10 minutes).
  • a suitable rotation speed e.g. 1200 RPM
  • a suitable time e.g. 10 minutes
  • the beads are then dried to remove a portion of the liquid. Additionally flavorants and/or coatings can be added after drying.
  • the tobacco beads contain binder ingredients.
  • the mixing step includes mixing the tobacco particles with a dry and/or liquid binder, water and optional flavorants to form a wet mass.
  • the wet mass is then extruded and the extrudate spheronized.
  • the resulting tobacco beads are preferably in the form of spheroids that are substantially round or oval in shape.
  • each spheroidal tobacco bead can have a diameter of about 0.1 mm to about 2.5 mm, preferably about 0.2 mm to about 1.2 mm, and more preferably about 0.3 mm to about 0.7 mm.
  • the ratio of the amount of the tobacco particles and water can be about 1:4 to about 4:1 , preferably about 2:1.
  • a first moisture content of the spheronized beads is preferably about
  • a moisture content of the dried tobacco beads is about 0.5 percent to about 25 percent of * a total weight of the tobacco beads, and more preferably about 8 percent to about 25 percent (e.g., about 8 percent to about 10 percent, about 10 percent to about 15 percent, about 15 percent to about 20 percent, or about 20 percent to about 25 percent) of a total weight of the tobacco beads.
  • the binder 18 is a cellulosic material and/or a fiber based material.
  • a preferred cellulosic material is microcrystalline cellulose (MCC).
  • MMC microcrystalline cellulose
  • a preferred fiber based material is sugar beet fibers such as Fibrex®.
  • Additional dry and liquid binders 18 may be present in the beads 14 as well as additional flavorants16 and fillers.
  • the binder may be a suitable dry binder, an extrusion and spheronization aiding composition and reagent, a water swellable polymer, polymer binders, or mixtures of these reagents.
  • the materials of extrusion and spheronization aiding reagents are those which are capable of holding liquid like a sponge.
  • the extrusion and spheronization aiding reagents include but are not limited to microcrystalline cellulose (MCC) 1 pectinic acid, lactose, and glyceryl monostearate, and combinations thereof.
  • MCC microcrystalline cellulose
  • Suitable water-swellable polymers include, without limitation, hydroxypropyl methylcellulose (HPMC), low substituted hydroxypropyl cellulose (L-HPC), and hydroxypropyl cellulose (HPC).
  • Suitable polymer binders include, without limitation, polyvinyl pyrolidone (PVP),
  • EUDRAG IT® EUDRAG IT®
  • cellulose ethers EUDRAG IT®
  • the tobacco beads 14 include one or more coatings 120 over the agglomerated fines 100.
  • flavorants 16 can also be added to the coatings 120 of the beads 14. Such coatings are not necessary to hold the tobacco beads together, but can be added to provide additional textures and/or flavorants.
  • the flavorants are added to the tobacco beads 14 during manufacture.
  • the flavorants may be added to the beads after formation.
  • the optional flavorant includes flavor materials that are practically unlimited, although water-soluble, alcohol-soluble and oil-soluble flavors are preferable. Suitable flavorants include, without limitation, lavender, cinnamon, cardamom, apium graveolens, fenugreek, cascarilla, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, mint oils, cassia, caraway, cognac, jasmine, chamomile, menthol, cassia, ylang-ylang, sage, spearmint, ginger, coriander, and coffee.
  • diluent agents can be added to the tobacco beads.
  • Diluent agents which can be used for this purpose include powdered starch, such as but not limited to corn starch and potato starch, rice powder, calcium carbonate, diatomaceous earth, talc, acetate powder, and pulp flock.
  • the optional flavorant can also be in the form of a solid matrix (liquid flavorants spray dried with a starch).
  • the optional flavorant can also be in the form of solids, liquids or gels.
  • the optional flavorant can be present in the tobacco beads in an amount of up to 50 percent by weight (e.g., 0.1 percent to 5 percent, 5 percent to 10 percent, 10 percent to 15 percent, 15 percent to 20 percent, 20 percent to 25 percent, 25 percent to 30 percent, 30 percent to 35 percent, 35 percent to 40 percent, 40 percent to 45 percent or 45 percent to 50 percent).
  • the tobacco beads can be tailored to have controlled-delivery release of active compounds.
  • diffusion of the flavors from the beads can be adjusted by bead porosity and density as well as by any controlled-release coating added to the beads.
  • the beads can also be coated with polymeric coatings of different functionalities and or compositions (e.g., single or multiple overcoats depending on the application) to control the delivery and release of the active compounds.
  • Preferred active compounds include, without limitation, vitamins, minerals, nutraceuticals, energizing agents, soothing agents, sweeteners, coloring agents, amino acids, antioxidants, preservatives and/or combinations thereof.
  • the tobacco beads can act as a delivery system for delivering flavors naturally occurring in the components of the bead formulation.
  • the tobacco beads can act as a medium for creating and/or enhancing naturally occurring flavors through Maillard, enzymatic, or other types of reactions.
  • the beads 14 can be altered or enhanced by thermal treatment of the beads 14 after formation, which can cause reactions that alter the flavors of the beads 14.
  • the beads can be treated by heating at a temperature from about 40 0 C to about 300 0 C for a period of about 5 minutes to several hours.
  • the tobacco fines can be gathered from dust and fines that are too small for inclusion in a tobacco pouch product.
  • the tobacco dust and fines can be formed by taking parts of the tobacco plant (leaf, stem, and the like) and grinding the dried portions into a fine powder or dust.
  • the tobacco parts used to make the tobacco fines, which form the beads can be from any type of tobacco used to prepare oral tobacco products such as but not limited to Burley, Bright, Oriental, or blends thereof, as well as genetically altered, chemically altered, or mechanically altered tobacco plants and blends thereof.
  • the type of tobacco is preferably selected from the group consisting of Burley, Bright, and Oriental.
  • the blend of ground tobacco fines can include up to 5 percent, 10 percent, 15 percent, 20 percent, 25 percent, 30 percent, 35 percent, 40 percent, 45 percent, 50 percent, 55 percent, 60 percent, 65 percent, 70 percent, 75 percent, 80 percent, 85 percent, 90 percent, 95 percent, or 100 percent by weight of Burley; up to 5 percent, 10 percent, 15 percent, 20 percent, 25 percent, 30 percent, 35 percent, 40 percent, 45 percent, 50 percent, 55 percent, 60 percent, 65 percent, 70 percent, 75 percent, 80 percent, 85 percent, 90 percent, 95 percent, or 100 percent by weight of Bright; and/or up to 5 percent, 10 percent, 15 percent, 20 percent, 25 percent, 30 percent, 35 percent, 40 percent, 45 percent, 50 percent, 55 percent, 60 percent, 65 percent, 70 percent, 75 percent, 80 percent, 85 percent, 90 percent, 95 percent, or 100 percent by weight of Oriental.
  • the blend of the tobacco fines used, the formulation of the optional dry or liquid binder, the concentration of liquid in the tobacco beads, and the size of the tobacco beads are all elements which can be altered alone or in combination with each other to achieve a desired taste.
  • the quantity and the blend of the optional powdered binder used can be selected so as to achieve the desired mechanical strength and roundness of the resulting tobacco beads.
  • the strength and roundness of the beads depends in part on the starting materials.
  • the tobacco beads can optionally comprise a cellulosic and/or fiber based binder material as well as the tobacco fines.
  • the drying of the tobacco beads consisting essentially of tobacco particles but without added binder ingredients can be carried out under vacuum to the second moisture content of about 8 percent to about 25 percent of a total weight of the tobacco beads.
  • the second moisture content is about 8 percent to about 20 percent, and most preferably about 8 percent to about 12 percent of a total weight of the tobacco beads.
  • the drying of the tobacco beads can be carried out in other drying equipment such as a conventional fluidized bed dryer, in a conventional oven dryer, or in a vacuum oven.
  • a preferred tobacco bead comprises a bead of tobacco fines in a condition of having been vacuum dried to a predetermined moisture content of about 0.5 percent to about 25 percent of a total weight of the tobacco beads, and more preferably about 8 percent to about 25 percent.
  • microcrystalline cellulose is the preferred cellulosic material in combination with tobacco particles.
  • the additive binder is a fiber-based material such as sugar beet fibers.
  • the optional flavor additives for the tobacco beads can be incorporated for example using a solvent mixture.
  • a solvent mixture it is possible to incorporate the optional flavor constituents into the cellulosic or fiber-based binder containing tobacco beads in minute amounts, on the order of parts per million.
  • binder materials which can be used include carboxymethyl cellulose (CMC), and more amorphous forms of cellulose (e.g., powdered cellulose) as well as combinations of crystalline, and modified cellulose (e.g., hydroxypropyl cellulose and hydroxypropyl methylcellulose), and amorphous cellulose.
  • CMC carboxymethyl cellulose
  • amorphous forms of cellulose e.g., powdered cellulose
  • modified cellulose e.g., hydroxypropyl cellulose and hydroxypropyl methylcellulose
  • Other natural polysaccharides and their derivatives are also contemplated for use in the tobacco beads.
  • the wet mass can be prepared in a mixer such as a planetary mixer.
  • the extrusion can be carried out using extruders such as the screw, sieve and basket, roll and ram type extruders.
  • Spheronization can be carried out using a spinning friction plate that effects rounding of extrudate particles.
  • Water is preferably used to provide the wet mass with desired rheological characteristics.
  • the water content can be adjusted to achieve the desired plasticity, e.g., the water content may range from 20 percent to 150 percent (preferably 40 percent to 60 percent) by weight or at least about in a proportion of one-to-four to four-to-one of liquid to dry material.
  • the liquid content of the wet mass is preferably adjusted to account for the effect of the liquid flavorant on the rheological characteristics of the wet mass.
  • the wet mass is extruded through suitably sized pierced screens and spheronized using a rotating disk having a grooved surface.
  • the spheres are then dried in a fluidized bed or conventional convection oven or vacuum oven to a moisture level of about 0.5 percent to about 25 percent.
  • a dry binder additive it should be noted that the weight percent of dry binder and weight percent of tobacco fines appear to have conflicting effects: an increase in tobacco content increases the impact on the taste but decreases the mechanical properties (i.e., hardness, attrition resistance) of the tobacco beads.
  • an increase in the dry binder e.g., MCC or sugar beet fibers
  • the mechanical strength and uniformity in size distribution are also affected by the liquid content in the wet mass, size of the opening on the extrusion die, and processing parameters such as extrusion speed, rotation speed, and duration of spheronization.
  • processing parameters such as extrusion speed, rotation speed, and duration of spheronization.
  • the optimal formulation and processing conditions are empirically determined.
  • the beaded form of the tobacco fines facilitates high-speed pouch filling operations during the manufacture of pouched products. Beads tend to more consistently and cleanly flow into and out of metering feed machinery, with less scatter and dusting than loose, irregular tobacco particles.
  • a method of improving utilization of tobacco feed stock in a process of making an oral pouched tobacco product or the like that requires grinding the tobacco feedstock to a desired range of tobacco particle size for the product, for example, to a desired range of approximately 20 mesh to approximately 60 mesh (more preferably 20 mesh to 40 mesh).
  • Tobacco utilization is improved by separating the tobacco particles of finer size (finer than 60 mesh or finer than 40 mesh) from those of the desired range of particle size (i.e., larger than 60 mesh or larger than 40 mesh), forming the finer- sized tobacco into agglomerated tobacco fines as taught hereinabove, and recombining the agglomerates and the tobacco particles in the oral pouched tobacco products.
  • the tobacco fines may be utilized instead of being discarded, and the difficulties associated with tobacco fines, such as their tendency to escape from pouches during feeding operations or otherwise causing dusting, impact on product appearance and/or impact on cleanliness during manufacturing operations, are abated.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)

Abstract

L'invention porte sur un produit de tabac en sachet (50) à destiné à la voie orale qui comprend une membrane poreuse (55), du tabac en vrac(12) et des grains de tabac (14). Les grains de tabac (14) sont formés à partir de fines et de poussières de tabac agglomérées. Les fines et les poussières de tabac sont mélangées à de l'eau, facultativement à un liant (18) et/ou à des aromatisants pour produire une masse humide qui est extrudée et rendue sphérique pour former des grains de tabac (14). Les grains de tabac (14) d'une dimension désirée sont dispersés à travers le tabac en vrac (12) où ils forment une matière qui est enrobée dans une membrane poreuse (55).
PCT/IB2008/002566 2007-06-08 2008-06-09 Produits en sachet destinés à la voie orale, comprenant des grains de tabac WO2009004487A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92901607P 2007-06-08 2007-06-08
US60/929,016 2007-06-08

Publications (2)

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WO2009004487A2 true WO2009004487A2 (fr) 2009-01-08
WO2009004487A3 WO2009004487A3 (fr) 2009-04-30

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US (1) US20080308115A1 (fr)
WO (1) WO2009004487A2 (fr)

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EP3116330B1 (fr) 2014-03-14 2021-08-11 Altria Client Services LLC Produits de tabac sans fumée gainés de polymères
EP3116331B1 (fr) 2014-03-14 2019-05-22 Altria Client Services LLC Procédé et appareil d'enrobage de partie de produit
CN110432535A (zh) * 2019-08-22 2019-11-12 河南中烟工业有限责任公司 一种烟草提取液发酵制备的口含烟
US20220400735A1 (en) * 2019-11-20 2022-12-22 Swedish Match North Europe Ab An oral pouched nicotine product including a filling material comprising nicotine particles
US11872231B2 (en) 2019-12-09 2024-01-16 Nicoventures Trading Limited Moist oral product comprising an active ingredient
US11826462B2 (en) 2019-12-09 2023-11-28 Nicoventures Trading Limited Oral product with sustained flavor release
WO2021116916A1 (fr) * 2019-12-09 2021-06-17 Nicoventures Trading Limited Produit oral avec de multiples arômes ayant différents profils de libération
US11793230B2 (en) 2019-12-09 2023-10-24 Nicoventures Trading Limited Oral products with improved binding of active ingredients
US11969502B2 (en) 2019-12-09 2024-04-30 Nicoventures Trading Limited Oral products
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EP4018847A1 (fr) * 2020-12-22 2022-06-29 Swedish Match North Europe AB Produit à usage oral en sachet
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