CN113163839A - Agglomerated solid reconstituted plant composition for a device for heating tobacco without burning it - Google Patents

Agglomerated solid reconstituted plant composition for a device for heating tobacco without burning it Download PDF

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Publication number
CN113163839A
CN113163839A CN201980080141.XA CN201980080141A CN113163839A CN 113163839 A CN113163839 A CN 113163839A CN 201980080141 A CN201980080141 A CN 201980080141A CN 113163839 A CN113163839 A CN 113163839A
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CN
China
Prior art keywords
plant
solid composition
composition
tobacco
plants
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Pending
Application number
CN201980080141.XA
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Chinese (zh)
Inventor
D·比戈
J·比利翁
C·雅尔丹
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Swamont Luxemburg
SWM Luxembourg SARL
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Swamont Luxemburg
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Publication of CN113163839A publication Critical patent/CN113163839A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • A24B13/02—Flakes or shreds of tobacco
    • 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
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants
    • A24B15/303—Plant extracts other than tobacco
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B9/00—Control of the moisture content of tobacco products, e.g. cigars, cigarettes, pipe tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Botany (AREA)
  • Manufacture Of Tobacco Products (AREA)

Abstract

The present invention relates to a solid reconstituted botanical composition in the form of a mass suitable for use in a device for heating tobacco without burning the tobacco, said solid composition comprising botanical extract, refined botanical fibre and aerosol generating means.

Description

Agglomerated solid reconstituted plant composition for a device for heating tobacco without burning it
Technical Field
The invention belongs to the field of devices for heating tobacco without burning it, and the subject of the invention is a bulk solid reconstituted plant composition (bulk solid reconstituted plant composition) whose volume is adapted to the heating device.
Background
To avoid the formation of harmful constituents during the combustion of tobacco, a number of devices have been developed to heat tobacco without burning it. Mention may be made, for example, of the application published under number WO 2013/178769. In such devices, hot air is passed through a tobacco rod (tobaco sticks) containing an aerosol generating agent (aerosol generating agent) to generate an aerosol. The aerosol generated replaces cigarette smoke and contains tobacco aroma. This therefore allows the smoker to inhale the tobacco aroma while very significantly reducing its contact with harmful ingredients.
Reconstituted tobacco (Reconstituted tobaccos) is more suitable for use in these heating devices than natural tobacco, because Reconstituted tobacco, unlike natural tobacco, can readily absorb and release aerosol-generating agents, and therefore readily generate aerosols having sensory characteristics that are satisfactory to the customer.
The tobacco rod of the device for heating tobacco without burning it comprises a wrapping (envelope) (paper, tobacco, aluminium, etc.) surrounding the shredded reconstituted tobacco lamina. The production of these rods is tedious and limited because it requires many steps.
In addition, these rods can be difficult to introduce into and remove from devices that heat the tobacco without burning it. This is because the rods may break up or even disintegrate as the user manipulates them and heats them in the device. Such difficulty of use may cause a certain frustration to the user of the device.
There is therefore a need for a tobacco rod which is simple to produce and simple to use.
It may also be advantageous to deliver a fragrance to the user of these heating devices that is different from the fragrance of tobacco.
Summary of The Invention
The inventors have developed a agglomerated solid reconstituted plant composition comprising:
-a plant extract, which is selected from the group consisting of,
-refining the plant fibres, and
-an aerosol-generating agent,
and the density of the composition is 200mg-3To 550mg.cm-3。
Advantageously, the agglomerated solid composition of the invention is cohesive and allows heated air to pass through its volume.
Since the agglomerated solid composition of the present invention is cohesive, it does not disintegrate and disintegrate, and can be used as it is. It can therefore be used very simply by the user of the device that heats the tobacco without burning it.
Without wishing to be bound by any theory, the inventors believe that the refined plant fibres form a coherent network of channels in the agglomerated solid composition, allowing heated air to pass through the volume of the agglomerated solid composition of the invention.
Upon contact with heated air passing through the volume of agglomerated solid matter, an aerosol comprising plant aroma is advantageously generated by means of the plant extract and the aerosol generating agent of the agglomerated solid composition. By varying the agglomerated solid composition, the user can simply vary the aroma of the aerosol generated by the agglomerated solid composition.
Furthermore, the plant extract and the aerosol generating agent are homogeneously distributed in the agglomerated solid reconstituted plant composition according to the invention.
For the purposes of the present application, the term "bulk solid composition" means a solid composition which is in the form of a volume, i.e. which is three-dimensional. For the purposes of this application, sheeting is a non-volumetric form because it is a two-dimensional form.
Generally, the agglomerated solid composition may be in the form of a cone, prism, pyramid, cylinder, or sphere. Generally, the agglomerated solid composition may be in the form of a cylinder or a prism selected from a cube, a cuboid, a right angle prism with a triangular base, or a regular triangular prism.
The agglomerated solid composition according to the invention may have a density with a minimum value DminSelected from the following values: 200mg.cm-3、210mg.cm-3、215mg.cm-3、220mg.cm-3、225mg.cm-3、230mg.cm-3、235mg.cm-3、240mg.cm-3、245mg.cm-3Maximum value D ofmaxSelected from the following values: 250mg.cm-3、275mg.cm-3、300mg.cm-3、325mg.cm-3、350mg.cm-3、375mg.cm-3、400mg.cm-3、425mg.cm-3、475mg.cm-3、500mg.cm-3、525mg.cm-3、550mg.cm-3。
According to one embodiment, the agglomerated solid composition of the present invention may have a mass of 200mg-3To 250mg.cm-3In particular 220mg.cm-3To 240mg.cm-3Most particularly 230mg.cm-3To 235mg.cm-3The density of (c).
The density of the agglomerated solid composition of the present invention depends, in part, on the dry matter weight content of the refined plant fibers that the agglomerated solid composition comprises.
Order SpfIs the weight percentage of the refined plant fiber dry matter in the solid composition of the block, Spfmin≤Spf≤Spfmax，Spfmin and SpfThe max percentages are selected independently of one another, Spfmin is selected from the following values: 15%, 20%, 25%, 30%, 35%, 40%, 45% and 50%, and Spfmax is selected from the following values: 50%, 55%, 60%, 65%, 70%, 75%, 80% and 85%.
Typically, the dry matter weight percentage of refined plant fibre in the agglomerated solid composition is from 15% to 85%, particularly from 25% to 75%, more particularly from 50% to 60%.
The vegetable fibres of the agglomerated solid composition according to the invention are refined. Thus, they have a Shore beating (SR) degree (Schopper-Riegler (SR) degree) as followsIts minimum value SRminSelected from the following values: 20 DEG, 30 DEG, 35 DEG, 40 DEG, 45 DEG, 50 DEG, 55 DEG, the maximum value SRmaxSelected from the following values: 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 °.
According to one embodiment, the refined plant fiber may have a shore beating (SR) degree of 20 ° to 90 °, particularly 40 ° to 70 °, more particularly 55 ° to 65 °.
Advantageously, the volume of aerosol generated by heating the agglomerated solid composition of refined plant fibers having SR degrees that exhibit within these values is satisfactory and may have organoleptic properties that are pleasant to the user. In addition, the form of the agglomerated solid composition can be retained, so that the agglomerated solid composition can be easily handled. The agglomerated solid composition of refined vegetable fibres having an SR degree that shows values within these ranges does not cause frustration for the user of the heating device.
For the purposes of the present invention, "plant extract" means all water-soluble products of the plant. Advantageously, the botanical extract comprises a compound that imparts sensory and/or therapeutic properties to the aerosol formed by heating the agglomerated solid composition.
The strength of the organoleptic properties and/or the efficacy of the therapeutic properties of the aerosol formed by heating the agglomerated solid composition may depend on the dry matter content by weight of the plant extract contained in the agglomerated solid composition of the invention.
Order SPIs the dry matter weight percentage of the plant extract in the solid composition of the block, SPmin≤SP≤SPmax，SPmin and SPThe max percentages are selected independently of one another, SPmin is selected from the following values: 5%, 10%, 15%, 20%, 25%, 30%, and SPmax is selected from the following values: 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70% and 75%.
Typically, the dry matter weight percentage of the plant extract in the agglomerated solid composition is between 5% and 75%, in particular between 15% and 60%, more in particular between 25% and 30%.
To determine SPThe following methods may be used:
the agglomerated solid composition to be analyzed is ground so as to have a particle size of less than or equal to 1 mm. The ground agglomerated solid composition was then mixed with boiling water for 45 minutes to extract all the plant extracts. Calculating S by the difference between the weight of dry matter of the sample of the agglomerated solid composition to be analyzed and the weight of dry matter of the fibrous residue after extractionP。
For the purposes of this application, the term "aerosol generating agent" refers to a compound that allows the formation of an aerosol when heated, for example, in contact with hot air.
Typically, the aerosol generating agent may be a polyol, a non-polyol or a mixture thereof. Typically, the polyol generator may be sorbitol, glycerol, propylene glycol, triethylene glycol, or mixtures thereof. Typically, the non-polyol generator may be lactic acid, diacetin, triacetin, triethyl citrate or isopropyl myristate or mixtures thereof.
According to one embodiment, the aerosol generating agent is glycerol, propylene glycol or a mixture of glycerol and propylene glycol, preferably glycerol.
Order SAGIs the dry matter weight percentage of the aerosol former in the agglomerated solid composition, SAGmin≤SAG≤SAGmax，SAGmin and SAGThe max percentages are selected independently of one another, SAGmin is selected from the following values: 5%, 10%, 15%, 20%, 25% and 30%, SAGmax is selected from the following values: 30%, 35%, 40%, 45% and 50%.
Typically, the aerosol-former is present in the agglomerated solid composition at a dry matter weight percentage of from 5% to 50%, particularly from 10% to 40%, more particularly from 12% to 30%.
Advantageously, by heating with S in these value rangesAGThe volume of aerosol generated from the agglomerated solid composition of (a) is satisfactory. Thus, the agglomerated solid composition does not cause any frustration to the user of the heating device.
According to a particular embodiment, Spf25% to 75%, SP15% to 60%, and SAG12% to 30%, Spf、SPAnd SAGThe sum is greater than 75%, in particular greater than 90%, more in particular greater than 99%.
In general, the agglomerated solid composition of the invention may have a residual water content of from 5% to 30%, in particular from 7.5% to 25%, generally from 10% to 20%.
Advantageously, such a residual water content makes it possible to avoid the mouth and/or throat burning phenomenon (known as hot puffs) due to the inhalation of water-laden hot aerosol.
The refined plant fiber and plant extract can be obtained from plants selected from spore-forming plants, seed-forming plants or mixtures thereof. In particular, the plant may be a plant selected from the group consisting of tobacco plants, food plants, spice plants, aromatic plants, medicinal plants, and mixtures thereof, and most particularly, the plant may be a tobacco plant.
Advantageously, the plant extracts obtained from the plant mixture make it possible to provide a wide range of organoleptic properties. The phytoblend also makes it possible to counteract the unpleasant organoleptic properties of another plant, for example a medicinal plant, with the pleasant organoleptic properties of the plant, for example a tobacco plant, a spice plant or an aromatic plant.
Advantageously, mixing the plants to obtain refined plant fibers makes it possible to modify certain characteristics of the agglomerated solid composition of the invention, such as density or volume.
When the plant is a tobacco plant, the refined tobacco fibre and tobacco extract may be obtained from any tobacco plant or type of tobacco, for example Virginia tobacco (Virginia tobacao), Burley tobacco (Burley tobacao), air cured tobacco (air-cured tobacao), dark air cured tobacco (dark air-cured tobacao), aromatic tobacco (origin tobacao), flue-cured tobacco (fire-cured tobacao) or mixtures thereof.
Typically, the edible plant is garlic, coffee, ginger, licorice, lewis bauhinia (rooibos), Stevia (Stevia rebaudiana), tea, cacao, chamomile, mate.
Typically, the spice plant is basil (basil), turmeric, clove, bay, oregano, peppermint, rosemary, sage, thyme.
Typically, the aromatic plant is lavender, rose, eucalyptus.
In general, medicinal plants are taken to mean those plants which are indicated in the document, i.e. the list of medicinal plants traditionally used a (French Pharmacopoeia, 1 month 2016) (published by the National institute of medicine and Health (ansm)) [ French National Agency of medicine and Health Safety for drugs and Health products (French National Agency of medicine and Health Safety) ], or plants which are known to contain compounds with therapeutic properties. Generally, the listed medicinal plants are ginkgo biloba, ginseng, tart cherry, peppermint (peppermint), willow and sargentgloryvine. Plants comprising compounds with therapeutic properties are known, for example, from eucalyptus, cannabiaceae (canabaceae) plants.
If the plant is a medicinal plant, the agglomerated solid composition of the present invention has therapeutic properties. The aerosol generated by heating the agglomerated solid composition may also have therapeutic properties, such that the agglomerated solid composition may be used for therapeutic treatment.
In general, the refined plant fiber and plant extract of the agglomerated solid composition of the present invention may be derived from various plant parts that are the result of processing of the plant parts themselves or various plant parts. Generally, the plant parts may be whole parts of the plant, or pieces produced by threshing (threshing) or mixing and chopping the plant parts.
In general, refined plant fibers may be obtained from one plant and plant extracts may be obtained from another plant. Indeed, the fibers of a plant may not exhibit the mechanical properties that allow the formation of a agglomerated solid composition, and nevertheless, such plant extracts may impart desirable sensory characteristics and/or desirable therapeutic characteristics to the aerosol. Conversely, the fibers of a plant may have mechanical properties that allow the formation of a mass solid composition, but such plant extracts may not impart desirable sensory characteristics and/or desirable therapeutic characteristics to the aerosol.
Generally, the plant parts may be selected from the plant parts that are most enriched in aromatic compounds responsible for the organoleptic properties. Typically, these parts may be whole plants, aerial plant parts, such as flower buds, shoot barks, leaves, flowers, fruits and their inflorescence stalks, seeds, petals, capitals, or underground parts, such as bulbs, roots, root barks, rhizomes, or mixtures thereof. The plant parts may also be the result of mechanical, chemical or mechanochemical processing of one or more plant parts, for example the cocoa bean husk protection resulting from the cocoa bean dehulling process.
Generally, the tobacco plant part may be the part most rich in aromatic compounds responsible for the sensory properties of the aerosol. Typically, the tobacco plant part may be parenchyma (leaf), optionally supplemented with the stem of the tobacco plant. Generally, the tobacco plant part may be a leaf of a tobacco plant or a shred produced by threshing or mixing the leaf and the tobacco stem of the tobacco plant and cutting the mixture into cut tobacco (scfalati).
In the edible plants, for example, garlic bulbs, coffee beans, ginger rhizomes, licorice roots and leaves of lewy, stevia or tea can be selected as the part.
Among the spice plants, for example, the roots of clove buds (cloves), basil, bay and sage leaves, mint, oregano, rosemary and thyme leaves and capitulum, or turmeric may be selected as part.
Typically, in aromatic plants, lavender flowers and capitula or rose buds and petals may be selected.
Among the medicinal plants listed in the French pharmacopoeia, ginkgo biloba leaves, the underground parts of ginseng, the inflorescence stems (cherry stems) of sour cherry fruits, the leaves and capitulum of peppermint, the bark and leaves of willow or the leaves of sargentgloryvine can be selected.
Typically, the bulk solid composition may also comprise refined cellulose-based plant fibers.
Cellulose-based plant fibers are fibers obtained by chemical or mechanical or thermomechanical cooking methods, for example wood pulp, hemp or annual plants such as flax. Mixtures of these cellulose-based plant fibers may also be used.
Advantageously, these refined cellulose-based plant fibers may improve the cohesion of the agglomerated solid composition, in particular when the agglomerated solid composition has a dry matter weight percentage S of refined plant fiberspfLow time.
Generally, the agglomerated solid composition according to the invention may also comprise an essential oil. Advantageously, essential oils can provide a wide range of organoleptic properties. Essential oils can also counteract the unpleasant organoleptic properties of plants, such as medicinal plants, by virtue of their pleasant organoleptic properties.
According to one embodiment, the agglomerated solid composition may include at least one open pore. The open pores may facilitate the passage of heated air through the agglomerated solid composition.
The agglomerated solid composition of the present invention may be produced according to a process comprising the steps of:
a) mixing the refined plant fiber with a plant extract and an aerosol generating agent to obtain a solid composition,
b) molding the composition to obtain a molded solid composition, and
c) drying the molded solid composition to produce a agglomerated solid reconstituted plant composition.
In contrast to the method of producing a tobacco rod for a device intended for heating tobacco without burning it, this method does not require the following steps: produce wrapping paper, shred reconstituted tobacco leaves, and fill wrapping paper. Thus, the method is simple to perform. The method is also fast.
In general, step a) can be carried out by: placing the refined plant fiber in a mixer, adding the plant extract and the aerosol-generating agent, and then mixing the resultant preparation by the mixer to obtain a solid composition. Advantageously, this allows for a uniform distribution of the plant extract and aerosol generating agent in the solid composition.
Step a) can also be carried out by: the refined plant fibers are placed in a mixer and then the fibers are mixed to obtain a solid pre-composition. The plant extract and the aerosol generating agent are then incorporated into the solid pre-composition by injection or spraying to obtain a solid composition.
Typically, the molding step b) uses a mold to mold the solid composition into the shape and volume of a housing (lodging) of a device that heats the tobacco without burning it, so as to place and contain the agglomerated solid composition during use of the device that heats the tobacco without burning it.
One skilled in the art would know how to adjust the die of the mold to obtain a mass solid composition whose shape and volume are adjusted to the device that heats without burning tobacco, while taking into account the steps of the process that produces the mass solid composition, in particular the drying step c) that can affect the shape and volume of the mass solid reconstituted plant composition.
The agglomerated solid composition of the present invention can be obtained by a process comprising a molding step.
In general, the drying step c) can be carried out by hot air drying, by freeze drying, by deep freezing, by freezing, in particular by hot air drying or by freeze drying.
Hot air drying is a simple technique to implement and is well known to those skilled in the art.
In general, hot air drying can be carried out in tunnel dryers, vertical dryers, fluidized bed dryers, pneumatic dryers, in particular in tunnel dryers.
Typically, hot air drying may be carried out for 10 minutes to 120 minutes, particularly 20 minutes to 60 minutes, most particularly 25 minutes to 35 minutes, the temperature of the hot air being 50 ℃ to 200 ℃, particularly 75 ℃ to 150 ℃, most particularly 90 ℃ to 100 ℃.
Advantageously, drying by freeze-drying makes it possible to easily maintain the shape of the moulded solid composition and does not degrade aromatic compounds or compounds having phytotherapeutic properties.
According to one embodiment, the refined plant fiber and plant extract are obtained according to the following steps:
a1) mixing one or more plant parts with a solvent to extract a plant extract from the plant fiber,
a2) separating the plant fiber from the plant extract, and
a3) and (5) refining the plant fiber.
Thus, plant extracts and plant fibers are usually obtained by a dissociation process. During step a1) of the method, one or more plant parts are mixed with a solvent, for example in an extractor, to extract the plant extract.
Thus, the plant extract corresponds to all plant products soluble in the solvent and obtained by the dissociation method.
Generally, the solvent may be an apolar solvent, an aprotic polar solvent, a protic polar solvent or a mixture thereof, in particular, the solvent may be methanol, dichloromethane, ethanol, acetone, butanol, water or a mixture thereof, more particularly, the solvent is ethanol, acetone, water or a mixture thereof.
According to a particular embodiment, the solvent is an aqueous solvent, most particularly, the solvent is water.
The person skilled in the art will know how to adapt the temperature of the solvent during step a1) to the plant, the plant part and the plant part to be treated. Generally, the temperature of the solvent during the treatment of the roots or the peels should be higher than the temperature of the solvent during the treatment of the leaves or the petals.
In general, the temperature of the solvent during step a1) may be from 10 ℃ to 100 ℃, in particular from 30 ℃ to 90 ℃, more in particular from 50 ℃ to 80 ℃.
According to embodiments where the solvent is water and the plant is tobacco, the temperature of the water may typically be from 30 ℃ to 80 ℃. Typically, for treating the stem of a tobacco plant, the temperature of the water may be from 50 ℃ to 80 ℃. Typically, for treating parenchyma tissue of tobacco plants, the temperature of the water may be from 30 ℃ to 70 ℃.
During step a2), the plant extract is then separated from the plant fibres, for example by passing through a screw press or by a centrifuge, in order to separate and obtain on the one hand the plant fibres and on the other hand the plant extract.
Typically, the refining step a3) is carried out as a refining step commonly used in the tobacco industry. The person skilled in the art will know how to modify the conditions of step a3) in order to obtain a refined plant fiber having a degree of SR as described above.
The plant extract may be concentrated, typically during step a), and then mixed with the refined plant fiber and the aerosol generating agent. Devices such as vacuum evaporation devices can be used to concentrate the plant extract.
Typically, the refined plant fiber may be wet. To facilitate mixing of the refined plant fibres with the plant extract and aerosol-generating agent during step a) of the production method of the invention, the refined fibres may be drained (dry off) and then mixed during step a). The desiccation can be carried out, for example, by pressing or by phase separation.
Advantageously, the method of the present invention allows the production of a agglomerated solid reconstituted plant composition, shaped and volumetrically suitable for a device for heating tobacco without burning it, without the need for subsequent shaping steps, such as cutting steps, commonly used in the tobacco industry. It is therefore simple and faster to implement.
The agglomerated solid reconstituted botanical compositions of the invention can be used in a device for heating tobacco without burning it.
For the purposes of the present invention, the term "device for heating tobacco without burning" means any device which allows the formation of an aerosol intended to be inhaled by the consumer. The aerosol replaces the smoke, so that the smoker can inhale the plant aroma, and the contact of the smoker with harmful ingredients is greatly reduced.
Generally, the device for heating tobacco without burning it comprises, in the direction of the air flow, an air inlet, a heating part, a housing intended to be properly placed and contain the agglomerated solid reconstituted plant composition of the invention and an air outlet intended to be introduced into the mouth of the user. The air inlet, the heating part, the accommodating part and the air outlet are in fluid connection with each other.
Typically, the user places the agglomerated solid composition in a receptacle prior to using a device that heats the tobacco without burning it. When using a device that heats tobacco without burning it, the user draws air into the device that heats tobacco without burning it via the air intake. The sucked air is then passed through a heating section to obtain heated air. The heated air forms an aerosol upon contact with the agglomerated solid composition contained in the host, and the user then inhales the aerosol.
Typically, the means for heating the tobacco without burning it also comprise a filter between the housing intended to house and contain the agglomerated solid composition and the air outlet. The filter makes it possible to prevent the user from inhaling particles of the agglomerated solid composition.
Since the plant extract is contained in the formed aerosol, the aerosol has organoleptic properties of the plant. If the plant is a medicinal plant, the agglomerated solid composition of the invention, and thus the aerosol formed, may have therapeutic properties.
Further, when a device that heats tobacco without burning is used with the agglomerated solid composition, the agglomerated solid composition does not burn. Thus, the user can benefit from the organoleptic properties of the plant while very significantly reducing contact with harmful ingredients.
Examples
Exemplary agglomerated solid compositions according to the present invention
Three agglomerated solid compositions were produced according to the following procedure, except that the refined fiber varied in ° SR.
In the laboratory, the lamina mixture of virginia, burley, and oriental tobacco was contacted with water in a water bath at 40 ℃ for 30 minutes with manual agitation. The tobacco extract was separated from the fiber by mechanical pressing and then concentrated in vacuo to a solids concentration of 51.5%. Glycerin is added to the soluble aqueous fraction of tobacco.
The fibers were refined using a beater-refiner (beater-refiner). Since the agglomerated solid composition differs depending on the ° SR of the refined fiber, the refinement was adjusted to the desired ° SR.
The refined fibres, tobacco extract and glycerin were mixed manually to obtain a paste. The paste is then shaped in a mould.
Finally, a lumpy solid composition was obtained by drying the paste at 95 ℃ for 30 minutes.
Comparative solid composition
Following the same procedure as above, a density of 620.7mg.cm was produced-3The comparative agglomerated solid composition of (4).
Characteristics of the agglomerated solid composition
The characteristics of the four agglomerated solid compositions are set forth in table 1 below.
[ Table 1]
Figure BDA0003099021480000121
Smoking test for an exemplary four-briquette solid composition
The agglomerated solid compositions 1-3 and the comparative agglomerated solid compositions, because of their form, can be easily introduced into the heating housing of the Pax heating system of Ploom Inc/Pax Labs Inc. After testing, the four agglomerated solid compositions were easily removed from the heated holding.
The volume of aerosol generated from the agglomerated solid compositions 1-3 was judged to be satisfactory during 9 puffs. Furthermore, the sensory properties of the aerosol generated from composition 3 are most satisfactory to the user.
The volume of aerosol generated from the comparative agglomerated solid composition was judged to be unsatisfactory because it was too small. After testing, it was opened into two pieces, noting that the center was not heated. This indicates that the heated air cannot pass through the comparative bulk solid composition.

Claims (13)

1. A agglomerated solid reconstituted plant composition comprising:
-a plant extract, which is selected from the group consisting of,
-refining the plant fibres, and
-an aerosol-generating agent,
and the density of the composition is 200mg-3To 550mg.cm-3。
2. The agglomerated solid composition of claim 1, wherein the vegetable fibres are refined and have a SR degree of 20 ° to 90 °, in particular 40 ° to 70 °, more in particular 55 ° to 65 °.
3. The briquette solid composition of claim 1 or claim 2, wherein the aerosol generating agent is sorbitol, glycerol, propylene glycol, triethylene glycol, lactic acid, diacetin, triacetin, triethyl citrate or isopropyl myristate or mixtures thereof.
4. 4 the briquette solid composition according to any one of claims 1-3, wherein the aerosol generating agent represents from 5% to 50%, in particular from 10% to 40%, more in particular from 12% to 30% by weight of the dry matter of the briquette solid composition.
5. The briquette solid composition according to any one of claims 1-4, wherein the plant is selected from the group consisting of spore-forming plants, seed-forming plants and mixtures thereof, in particular the plant is a plant selected from the group consisting of: tobacco plants, food plants, spice plants, aromatic plants, medicinal plants, and mixtures thereof, most particularly, the plants are tobacco plants.
6. The briquette solid composition according to any one of claims 1-5, wherein the plant extract represents from 5% to 75%, in particular from 15% to 60%, more in particular from 25% to 30% by weight of the briquette solid composition dry matter.
7. The briquette solid composition according to any one of claims 1-6, wherein the refined plant fibres represent from 15% to 85%, in particular from 25% to 75%, more in particular from 50% to 60% by weight of the dry matter of the briquette solid composition.
8. A method for producing a agglomerated solid reconstituted plant composition as defined in claims 1-7, comprising the steps of:
a) mixing the refined plant fiber with the plant extract and the aerosol generating agent to obtain a solid composition,
b) molding said composition to obtain a molded solid composition, and
c) drying the molded solid composition to produce the agglomerated solid reconstituted plant composition.
9. The method according to claim 8, wherein the drying step c) is performed by hot air drying, by freeze drying, by deep freezing, by freezing, in particular by hot air drying or by freeze drying.
10. The method according to claim 8 or claim 9, wherein the refined plant fiber and plant extract are obtained according to the following steps:
a1) mixing one or more plant parts with a solvent to extract a plant extract from the plant fiber,
a2) separating said plant extract from said plant fiber, and
a3) refining the plant fiber.
11. The method according to claim 10, wherein the solvent is an aqueous solvent, most particularly the solvent is water.
12. The process according to claim 10 or claim 11, wherein the temperature of the solvent during step a1) is from 10 ℃ to 100 ℃, in particular from 30 ℃ to 90 ℃, more in particular from 50 ℃ to 80 ℃.
13. Use of a agglomerated solid reconstituted plant composition as defined in claims 1-7 in a device for heating tobacco without burning it.
CN201980080141.XA 2018-12-05 2019-12-04 Agglomerated solid reconstituted plant composition for a device for heating tobacco without burning it Pending CN113163839A (en)

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