CN106307604A - Tobacco extract, extracting method and application - Google Patents
Tobacco extract, extracting method and application Download PDFInfo
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- CN106307604A CN106307604A CN201611044807.0A CN201611044807A CN106307604A CN 106307604 A CN106307604 A CN 106307604A CN 201611044807 A CN201611044807 A CN 201611044807A CN 106307604 A CN106307604 A CN 106307604A
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- 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
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Abstract
The invention discloses a tobacco extract, an extracting method and application and belongs to the field of tobacco additives. The tobacco extract is extracted with the method including the following steps that firstly, propylene glycol is added into tobacco raw materials, and then baking is carried out after standing; secondly, smashing is carried out, and a solvent is added into powder materials for extraction; thirdly, extract liquid passes through an ultrafiltrtion membrane, penetrating liquid is obtained and subjected to reduced pressure distillation, and concentrate is obtained; fourthly, the concentrate is subjected to secondary separation with a molecule distillation method, light components are collected, and the tobacco extract is obtained. The extract contains rich megastigmatrienone, Damascone, neophytadiene, phenylcarbinol, phenethyl alcohol, farnesylacetone and pyrone and furanone aroma components, and the tobacco extract is thick in baking aroma and tobacco aroma, good in penetration, small in irritation and miscellaneous gas, high in satisfaction, capable of improving the smoking quality of cigarettes and providing a certain amount of nicotine to meet the physiological needs of consumers when used.
Description
Technical field
The present invention relates to a kind of tobacco extract, also relate to extracting method and application, belong to tobacco additive agent field.
Background technology
The main lobe arteries and veins of cabo, i.e. Nicotiana tabacum L., accounts for the 25%～30% of tobacco leaf weight.China is tobacco leaf production big country, every year
About produce few hundred thousand tonnes of cabo.Wherein, part cabo uses expansion technique to be manufactured into expanded cut stem and add in tobacco leaf formulation, separately
There is part cabo to make raw material plus wood pulp etc. together with waste tobacco leaf (fragment, offal), be manufactured into reconstituted tobacco.In cigarette leaf group
Formula uses a certain proportion of expanded cut stem and reconstituted tobacco can reduce releasing content of coke tar, increase Medicated cigarette Filling power.But,
Stem and the reconstituted tobacco miscellaneous QI when burning and sucking is heavier, and perfume quantity is few, and strength is not enough, and pleasant impression is poor, has a strong impact on the suction taste product of Medicated cigarette
Matter, therefore the adding proportion in cigarette composition is relatively low, is often used without stem in high-grade cigarette, in low and middle-grade Medicated cigarette one
As additional 5%～15% stem, and reconstituted tobacco is usually no more than 10% in the ratio of Ye Zuzhong.For improving stem and reproducing
The aesthetic quality of Nicotiana tabacum L. suction, increases its application percentage in cigarette composition, and current cigarette enterprise is mainly by applying essence
The method of spice promotes stem and the perfume quantity of reconstituted tobacco, covers miscellaneous QI, improves mouthfeel.Wherein tobacco extract is as Nicotiana tabacum L.
A kind of natural perfume material of origin, it is possible to promote this perfume of Nicotiana tabacum L., increase gratification, more preferable with the harmony of Medicated cigarette.
Meanwhile, along with the propelling of reducing tar and reducing harm engineering, the research and development of low-coke tar cigarette product become to become more and more important.But it is same with this
Time cigarette flavor and the phenomenon of jealous decline the most inevitably occur, and perfuming cigarette is the important side of one improving flavor and taste
Method.Filter tip perfuming can avoid escaping and being pyrolyzed of spice in Medicated cigarette storing process, reduces tobacco shred and filter tip etc. and cuts spice
Stay, increase transfer efficiency, thus filter tip perfuming has become the perfuming mode of a kind of novelty and has been used widely.Publication No.
The patent of invention of CN104323423A, CN104256892A and CN104256893A is respectively by Pu ' er Tea Polysaccharide, green puerh tea essential
Oil and Folium camelliae assamicae propylhomoserin add in cigarette filter rod, are used for promoting cigarette flavor, reduce zest, filter in main flume simultaneously
Harmful components.Patent is separately had to add in cigarette filter by Red wine extract, in order to improve the sour-sweet sense of flue gas.And Nicotiana tabacum L. carries
Taking thing is to extract, containing Nicotiana tabacum L. origin flavor matter, compared with other natural perfume materials, tobacco extract and volume from Nicotiana tabacum L.
The hamony of cigarette is more preferable, it is possible to promote cigarette fragrant.Tobacco extract is added to filter tip can make little molecule flavor matter prototype
Transfer, reduces perfume loss, keeps the distinctive flavor and taste of Nicotiana tabacum L. to greatest extent.
Tobacco extract is prepared frequently with solvent extraction, subcritical abstraction method and ultrasonic assistant extraction method etc..At present,
Commercially available tobacco extract uses ethanol sequential extractions to prepare mostly, and this method exists two big shortcomings: during 1. extracting
Part natural scents loses, and product fragrance is more weak；2. in product in addition to fragrance component, also pectin, protein, hemicellulose class
Material, these materials can crack some harmful components of generation during Medicated cigarette burns and sucks, increase the zest of suction and miscellaneous simultaneously
Gas, affect organoleptic quality (Song Peng. fermentable reduce harmful constituents in cigarette flue gas and improve cigarette quality research [D].
Xi'an: Northwest University, 2008.；Chi Jingji, etc. the correlation analysis [J] between Nicotiana tabacum L. primary chemical index and judging parameter thereof.
Yanbian University's agricultural journal, 2006,28 (3): 208-210.).Also some researchs are had to improve gratification, increasing cigarette perfume, improvement
Mouthfeel aspect is carried out, as the patent of invention of publication No. CN105754722A uses extraction-molecular distillation multiple techniques isolated and purified
Tobacco material, it is thus achieved that high gratification cigarette perfumery is also applied in reconstituted tobacco, specifically selects enzymolysis or fermenting tobacco leaf, adds
Entering 10%～70% alcohol heating reflux once to extract, add water backflow second extraction, twice extracting solution merges concentration, precipitate with ethanol,
Add propylene glycol carry out molecular distillation and collect light component.But second alcohol and water is big polar solvent, extract obtained in big pole
Property, difficult volatile ingredient be main, high-temperature heating extracts and easily causes part thermal sensitivity, the loss of volatile fragrance component in addition, even if
The follow-up employing light component of molecular distillation technique separation and concentration, but the medium and small polarity flavor component of front wall losses is the most irretrievable.
The patent of invention of publication No. CN101570717A is with offal as raw material, through acid condition enzymolysis, ultrasonic extraction, mistake
Filter, chromatographic column separate, concentrating under reduced pressure step prepares tobacco extract.Compared with traditional extraction process, the method utilizes cellulose
Enzymatic degradation portion of cellulose, reduces the cellulose impact on cigarette taste, uses ultrasonic extraction, and temperature is relatively low, the used time is short,
Again by chromatographic column separation and concentration flavor component.But doing Extraction solvent with water, the aroma component of medium and small polarity can not be the most molten
Going out, though the compositions disadvantageous to cigarette smoking effect such as pectin, protein, polysaccharide are extracted, and enzymolysis is in acid
Carry out under the conditions of property, the loss of partially acidic and neutral aroma constituents can be caused afterwards with water extraction in acid condition, even if
Use column chromatography technology separation and concentration flavor component afterwards, but damage because early stage extraction step has resulted in medium and small polarity flavor component
Lose, tobacco extract prepared by the method or Shortcomings, and the complex process of column chromatography for separation, operate relatively complicated.
Additionally, the patent of invention of publication No. CN104687241A is with stem, low-grade tobacco shred or other natural products as raw material, use successively
Basic, normal, high polar solvent extracts, and extracts extractum and dissolves with ethanol and/or mixed with propylene glycol, obtains improving stem and burn and suck product
The tobacco sauce of matter, wherein low polar solvent such as petroleum ether, hexamethylene or normal hexane, middle polar solvent ether, acetone, dichloromethane
Alkane or ethyl acetate, highly polar solvent methanol or acetic acid, these solvents mostly are volatile, inflammable, toxic solvent, to commercial production
Equipment, personnel etc. require higher, be difficult to operation and extraction cost is high.
Summary of the invention
It is an object of the invention to provide a kind of tobacco extract, in this extract, pectin, protein, hemicellulose etc. divide greatly
The content of the high boiling substances such as sub-material and long-chain fat hydrocarbon, saccharide is extremely low, adds and can increase in stem or reconstituted tobacco
Flue gas concentration, improves suction gratification, and pleasant impression and hamony are good, and the fragrance property sent out thoroughly is good.
Meanwhile, the present invention also provides for one and grows tobacco extracting method, and it is fragrant that the method utilizes Maillard reaction to improve cigarette, and uses
Membrance separation and the dual separation method of molecular distillation, effectively remove in extract the macromolecular substances such as pectin, protein, hemicellulose
And the high boiling substance such as long-chain fat hydrocarbon, saccharide.
Finally, the present invention reoffers the application of a kind of tobacco extract.
In order to realize object above, the technical solution adopted in the present invention is:
Tobacco extract, is extracted by the method comprised the following steps and obtains:
1) in tobacco material, add propylene glycol, at 80～140 DEG C, after standing, toast 0.5～1.5h；
2) pulverize, powder adds extraction solvent, at temperature-20～40 DEG C, extract 4～12h；
3) isolate lixiviating solution, cross ultrafilter membrane, collect permeate and remove solvent, obtaining concentrate；
4) concentrate molecularly distilled secondary separation, vapo(u)rizing temperature be room temperature to 40 DEG C, distillation pressure 0.01～
0.1mbar, collects light component, to obtain final product.
Step 1) in propylene glycol consumption is tobacco material quality 5%～20%.
Step 1) in stand as sealing and standing, time of repose 6～12h, so that Nicotiana tabacum L. fully absorbs propylene glycol.
Step 2) in extraction solvent be concentration 95% (V/V, lower with) above ethanol.Powder with the mass ratio of extraction solvent is
1:6～10.
Step 3) in lixiviating solution cross the micro-filtration membrane that can first cross aperture 50～200nm before ultrafilter membrane.
Step 3) in the aperture of ultrafilter membrane be molecular cut off 5～10kD.
Step 3) in remove solvent can use distillation under vacuum.
The extracting method of tobacco extract, comprises the following steps:
1) in tobacco material, add propylene glycol, at 80～140 DEG C, after standing, toast 0.5～1.5h；
2) pulverize, powder adds extraction solvent, at temperature-20～40 DEG C, extract 4～12h；
3) isolate lixiviating solution, pass sequentially through micro-filtration membrane and ultrafilter membrane, collect permeate and remove solvent, being concentrated
Thing；
4) concentrate molecularly distilled secondary separation, vapo(u)rizing temperature be room temperature to 40 DEG C, distillation pressure 0.01～
0.1mbar, collects light component fraction, to obtain final product.
Step 1) in propylene glycol consumption is tobacco material quality 5%～20%.
Step 1) in stand as sealing and standing, time of repose 6～12h.
Step 2) in extraction solvent be concentration more than 95% ethanol.Powder is 1:6～10 with the mass ratio of extraction solvent.
Step 3) in the aperture of micro-filtration membrane be 50～200nm, the aperture of ultrafilter membrane is molecular cut off 5～10kD.
Step 3) in remove solvent can use distillation under vacuum.
Tobacco extract application in stem, reconstituted tobacco or cigarette filter rod.
Concrete, tobacco extract addition in stem or reconstituted tobacco is 0.002wt%～0.01wt%.Nicotiana tabacum L.
Extract application in filter stick, including: with concentration more than 95% ethanol as solvent, tobacco extract is diluted to mass concentration
1%～5%, the ratio according still further to 5wt%～20wt% is added in triacetyl glycerine, makes filter stick according to common process；
Or, with concentration more than 95% ethanol as solvent, tobacco extract is diluted to mass concentration 20%～40%, after dilution
Solution dip-coating filter stick center line, is dried, makes perfuming line filter stick according to common process；Or, with concentration more than 95% ethanol it is
Solvent, is diluted to mass concentration 20%～40% by tobacco extract, is coated with filter stick formation paper with the solution after dilution, after drying
Make minor diameter filter stick according to common process, centered by this filter stick, roll into the concentric circular composite filter of stock size.
Described tobacco extract can be used alone and also can use after being deployed into essence with other spice.
Beneficial effects of the present invention:
In the present invention, tobacco extract is rich in Megastigmatrienone, damascone, neophytadiene, benzyl alcohol, phenethanol, method
Thessaloniki acetone and the aroma component such as pyranone, Furanones, and macromolecular substances and the sugar such as pectin, protein, hemicellulose
The content of the high boiling point volatile-resistant substances such as class, long-chain fat hydrocarbon derivative is extremely low, is added to energy in stem or reconstituted tobacco
Enough enrichment flue gases, cover miscellaneous QI, improve strength, increase stem and/or reconstituted tobacco rate of mixing in tobacco leaf formulation, reduce volume
Tar content.For cigarette filter rod perfuming, during suction, baking is fragrant and Nicotiana tabacum L. is aromatic the most strongly fragrant, and the property sent out is good thoroughly, and zest is little, miscellaneous QI
Few, gratification is strong, can improve the suction quality of Medicated cigarette, the most also be provided that a certain amount of nicotine is to meet the physiology need of consumer
Ask.
The present invention uses baking process that tobacco material is carried out pretreatment, it is possible to promote the reducing sugar of Nicotiana tabacum L. self with nitrogenous
There is Maillard reaction in compound, produces the material such as pyranone, furanone, improves baking perfume, and reduces content of reducing sugar.?
Nicotiana tabacum L. adds propylene glycol it can be avoided that baking temperature is too high causes Nicotiana tabacum L. to be charred bringing bad breath.Use simultaneously membrance separation-
The dual separating technology of molecular distillation can effectively be removed in macromolecular substances and high boiling point volatile-resistant substance, and separation and concentration Nicotiana tabacum L.
Aroma component.Whole extract operation and carry out at a lower temperature, it is possible to the low boiling that is prevented effectively from Nicotiana tabacum L., thermal sensitivity feature
The loss of aroma component, keeps this perfume of Nicotiana tabacum L..
In the present invention, the preparation technology of tobacco extract is simple, easy and simple to handle, is suitable to industrialized production and application.
Detailed description of the invention
The present invention is only described in further detail by following embodiment, but does not constitute any limitation of the invention.
Embodiment 1
In the present embodiment, tobacco extract is prepared by following steps:
1) weighing 1kg flue-cured tobacco raw material, be placed in by raw material in SY-III-A type experiment machine of preparing tobacco, uniformly spray adds raw material
The propylene glycol of quality 5%, seals placement 12h and makes Nicotiana tabacum L. fully absorb, and is then heated to 80 DEG C of baking 1.5h；
2) by the raw material pulverizing after baking to 200 mesh, and concentration 95% alcohol steep is added, feed liquid mass ratio 1:10, leaching
Temperature raising degree 40 DEG C, time 4h；After extraction terminates, leaching lixiviating solution with 400 mesh filter clothes, filtering residue solubilizer extracts once again；
3) merging twice lixiviating solution, first cross the micro-filtration membrane of aperture 200nm, permeate is after the ultrafiltration of molecular cut off 10kD
Film, collects ultrafiltration permeate, and decompression distillation, to without low boiling point solvent, obtains concentrate；
4) use molecularly distilled that above-mentioned concentrate carries out secondary separation, vapo(u)rizing temperature 40 DEG C, pressure 0.05mbar, receive
Collect light component, to obtain final product.
Embodiment 2
In the present embodiment, tobacco extract is prepared by following steps:
1) weighing 1kg flue-cured tobacco raw material, be placed in by raw material in SY-III-A type experiment machine of preparing tobacco, uniformly spray adds raw material
The propylene glycol of quality 15%, seals placement 6h and makes Nicotiana tabacum L. fully absorb, and is then heated to 120 DEG C of baking 0.5h；
2) by the raw material pulverizing after baking to 20 mesh, and dehydrated alcohol extraction, feed liquid mass ratio 1:10, extraction temperature are added
20 DEG C, time 8h；After extraction terminates, leaching lixiviating solution with 400 mesh filter clothes, filtering residue solubilizer extracts once again；
3) merging twice lixiviating solution, first cross the micro-filtration membrane of aperture 50nm, permeate is after the ultrafiltration of molecular cut off 5kD
Film, collects ultrafiltration permeate, and decompression distillation, to without low boiling point solvent, obtains concentrate；
4) use molecularly distilled that above-mentioned concentrate is carried out secondary separation, distill under room temperature, distill pressure 0.01mbar,
Collect light component, to obtain final product.
Embodiment 3
In the present embodiment, tobacco extract is prepared by following steps:
1) weighing 1kg flue-cured tobacco raw material, be placed in by raw material in SY-III-A type experiment machine of preparing tobacco, uniformly spray adds raw material
The propylene glycol of quality 7%, seals placement 10h and makes Nicotiana tabacum L. fully absorb, and is then heated to 100 DEG C of baking 1h；
2) by the raw material pulverizing after baking to 40 mesh, and concentration 95% alcohol steep is added, feed liquid mass ratio 1:8, extraction
Temperature 10 DEG C, time 10h；After extraction terminates, leaching lixiviating solution with 400 mesh filter clothes, filtering residue solubilizer extracts once again；
3) merging twice lixiviating solution, first cross the micro-filtration membrane of aperture 100nm, permeate is after the ultrafiltration of molecular cut off 8kD
Film, collects ultrafiltration permeate, and decompression distillation, to without low boiling point solvent, obtains concentrate；
4) use molecularly distilled that above-mentioned concentrate carries out secondary separation, vapo(u)rizing temperature 30 DEG C, pressure 0.02mbar, receive
Collect light component, to obtain final product.
Embodiment 4
In the present embodiment, tobacco extract is prepared by following steps:
1) weighing 1kg flue-cured tobacco raw material, be placed in by raw material in SY-III-A type experiment machine of preparing tobacco, uniformly spray adds raw material
The propylene glycol of quality 6%, seals placement 11h and makes Nicotiana tabacum L. fully absorb, and is then heated to 90 DEG C of baking 1.5h；
2) by the raw material pulverizing after baking to 100 mesh, and concentration 95% alcohol steep is added, feed liquid mass ratio 1:9, extraction
Temperature-20 DEG C, time 12h；After extraction terminates, leaching lixiviating solution with 400 mesh filter clothes, filtering residue solubilizer extracts once again, merges
Twice lixiviating solution；
3) lixiviating solution 5kD ultrafilter membrane separates, collect permeate and reduce pressure distillation to without low boiling point solvent, must
To concentrate；
4) use molecularly distilled that above-mentioned concentrate carries out secondary separation, vapo(u)rizing temperature 40 DEG C, pressure 0.1mbar, receive
Collect light component, to obtain final product.
Embodiment 5
In the present embodiment, tobacco extract is prepared by following steps:
1) weighing flue-cured tobacco raw material, on flue-cured tobacco raw material, uniformly spray adds the propylene glycol of raw materials quality 18%, seals placement 9h and makes
Nicotiana tabacum L. fully absorbs, and is then heated to 130 DEG C of baking 0.5h；
2) by the raw material pulverizing after baking to 80 mesh, and dehydrated alcohol extraction, feed liquid mass ratio 1:6, extraction temperature 0 are added
DEG C, time 10h；After extraction terminates, leaching lixiviating solution with 400 mesh filter clothes, filtering residue solubilizer extracts once again, merges twice extraction
Liquid；
3) lixiviating solution 10kD ultrafilter membrane separates, collect permeate and reduce pressure distillation to without low boiling point solvent,
Obtain concentrate；
4) use molecularly distilled that above-mentioned concentrate is carried out secondary separation, distill under room temperature, distill pressure 0.01mbar,
Collect light component, to obtain final product.
Embodiment 6
In the present embodiment, tobacco extract is prepared by following steps:
1) weighing 1kg flue-cured tobacco raw material, be placed in by raw material in SY-III-A type experiment machine of preparing tobacco, uniformly spray adds raw material
The propylene glycol of quality 20%, seals placement 7h and makes Nicotiana tabacum L. fully absorb, and is then heated to 140 DEG C of baking 0.5h；
2) by the raw material pulverizing after baking to 80 mesh, and dehydrated alcohol extraction, feed liquid mass ratio 1:8, extraction temperature are added
30 DEG C, time 6h；After extraction terminates, leaching lixiviating solution with 400 mesh filter clothes, filtering residue solubilizer extracts once again, merges twice leaching
Extract；
3) lixiviating solution 8kD ultrafilter membrane separates, collect permeate and reduce pressure distillation to without low boiling point solvent, must
To concentrate；
4) use molecularly distilled that above-mentioned concentrate carries out secondary separation, vapo(u)rizing temperature 30 DEG C, pressure 0.05mbar, receive
Collect light component, to obtain final product.
Embodiment 7
In the present embodiment, tobacco extract is prepared by following steps:
1) weighing flue-cured tobacco raw material, on flue-cured tobacco raw material, uniformly spray adds the propylene glycol of raw materials quality 12%, seals placement 8h and makes
Nicotiana tabacum L. fully absorbs, and is then heated to 110 DEG C of baking 1h；
2) by the raw material pulverizing after baking to 40 mesh, and concentration 95% alcohol steep is added, feed liquid mass ratio 1:8, room temperature
Lower extraction 12h；After extraction terminates, leaching lixiviating solution with 400 mesh filter clothes, filtering residue solubilizer extracts once again, merges twice extraction
Liquid；
3) lixiviating solution 8kD ultrafilter membrane separates, collect permeate and reduce pressure distillation to without low boiling point solvent, must
To concentrate；
4) use molecularly distilled that above-mentioned concentrate carries out secondary separation, vapo(u)rizing temperature 30 DEG C, pressure 0.03mbar, receive
Collect light component, to obtain final product.
Comparative example (conventional heating extraction)
In this comparative example, tobacco extract is prepared by following steps:
1) weighing the flue-cured tobacco raw material of 1kg, use solvent extraction method to extract, solvent is concentration 95% ethanol, feed liquid matter
Amount ratio 1:10, heating and refluxing extraction 2h, extract after terminating, leach lixiviating solution with 400 mesh filter clothes, filtering residue solubilizer extracts one again
Secondary；
2) merging twice lixiviating solution, decompression distillation, to solvent-free, obtains tobacco extract；
3) in tobacco extract, 10 times of quality, concentration 95% ethanol are added, quiet at solution being placed in-5 DEG C after fully dissolving
Putting 20h, treat that insoluble matter fully separates out, take advantage of cold sucking filtration, filtrate decompression is distilled to solvent-free, obtains pure tobacco oil.
In above-described embodiment and comparative example, propylene glycol used, ethanol are food stage.
Test example
1, perfuming effect contrast
Test group 1: tobacco extract propylene glycol-alcohol mixed solvent (mass ratio 1:1) dilution prepared by embodiment 1
It is 1% to mass concentration, sprays according to the ratio uniform of reconstituted tobacco quality 0.8% and be added on reconstituted tobacco, seal, at room temperature
Place 6h；In cutting filler by the ratio uniform incorporation Virginian-type cigarette of 10wt% after reconstituted tobacco shredding.Matched group 1: adopt
Using reconstituted tobacco of the same race, add pure tobacco oil (see comparative example) prepared by equivalent conventional heating methods, equal proportion is mixed and is assigned to of the same race joining
In side's tobacco shred.Test group and matched group all use conventional method to make Medicated cigarette.
Test group 2: weigh the tobacco extract of 0.05g embodiment 2 preparation, with propylene glycol-alcohol mixed solvent (mass ratio
2:1) it is diluted to 5g, diluent is uniformly sprayed and is added in 1kg expanded cut stem, seal, place 6h at room temperature, then press 15wt%'s
Ratio uniform is incorporated into during Virginian-type cigarette cuts filler.Matched group 2: add that 15wt% is of the same race does not uses the swollen of tobacco extract
The Virginian-type cigarette of the same race of swollen stem cuts filler.Test group and matched group all use conventional method to make Medicated cigarette.
Test group 3:1) according to tobacco extract in the ratio Example 3 of reconstituted tobacco quality 0.01%, with propylene glycol-
After alcohol mixed solvent (mass ratio 1:2) dilution, uniformly spray adds on reconstituted tobacco, seals, and ambient temperatare puts more than 6h；Giving birth to
Produce on line, by original technique, the reconstituted tobacco after perfuming is mixed with formula blade in the ratio of 6wt%, moisture regain, shredding；2)
In tobacco extract in the ratio Example 3 of expanded cut stem quality 0.002%, with propylene glycol-alcohol mixed solvent (mass ratio
1:4) after dilution, uniformly spray adds on expanded cut stem, seals, and ambient temperatare puts more than 6h；By original technique by the expansion after perfuming
Stem mixes by 1 by the ratio uniform of 10wt%) cutting filler of producing.Matched group 3: add that equal amount is of the same race does not uses cigarette
The reconstituted tobacco of grass extract and the cigarette composition tobacco shred of the same race of stem.Test group and matched group all use conventional method to make volume
Cigarette.
Test group 4: use the mode perfuming of perfuming line in filter stick；With concentration 95% ethanol as solvent, embodiment 4 is made
Standby tobacco extract is configured to the solution of mass concentration 20%, the heart yearn in dip-coating filter stick axle center, uses filter-stick forming device after drying
Make the function filter stick containing center line.Matched group 4: use identical tow, forming paper to make the common filter stick without center line.By two
Planting filter stick uses identical tipping paper to be mounted connected to respectively on the low-coke tar cigarette of identical tobacco leaf formulation, identical Medicated cigarette paper roll.
Test group 5: with concentration 95% ethanol as solvent, tobacco extract prepared by embodiment 5 is configured to mass concentration
The solution of 40%, the heart yearn in dip-coating filter stick axle center, make the function filter stick containing center line with filter-stick forming device after drying.Matched group
5: use identical tow, forming paper to make the common filter stick without center line.Identical tipping paper is used to be hinged with respectively two kinds of filter sticks
Identical tobacco leaf formulation, identical Medicated cigarette paper roll Medicated cigarette on.
Test group 6: perfuming in filter stick formation plasticizer, particularly as follows: with concentration 95% ethanol as solvent, by embodiment 6
The tobacco extract of preparation is configured to the solution of mass concentration 5%, and with the ratio of 5wt%, this solution is joined three triacetins
In ester, and it is sprayed onto in filter stick tow, makes the cigarette filter rod of perfuming according to common process.Matched group 6: use identical tow,
Forming paper makes the common filter stick of not perfuming.Identical tipping paper is used to be mounted connected to identical tobacco leaf formulation, phase respectively two kinds of filter sticks
With on the Medicated cigarette that cigarette paper rolls.
Test group 7: perfuming in the forming paper of the little filter stick in concentric circular composite filter center, particularly as follows: with concentration 95% second
Alcohol is solvent, and tobacco extract prepared by embodiment 7 is configured to the solution of mass concentration 30%, is coated on filter stick formation paper
On, technique rolls into little filter stick the most routinely, rolls into the filter stick of stock size centered by little filter stick.Matched group 7: adopt
The common filter stick without the little filter stick of concentric circular is made by identical tow, common forming paper.Two kinds of filter sticks are used identical tipping paper
It is mounted connected to respectively on the Medicated cigarette of identical tobacco leaf formulation, identical Medicated cigarette paper roll.
Above-mentioned each test group and each self sealss of matched group Medicated cigarette, respectively at temperature 22 ± 1 DEG C, relative humidity 60 ± 2% ring
Balancing 48h in border, Medicated cigarette sensory evaluation group smoke panel test, result see table 1.
Table 1 Sensory Quality of Cigarette contrast smoking result
As shown in Table 1, compared with matched group Medicated cigarette, the perfume quantity of test group Medicated cigarette the most substantially increases, this perfume of Nicotiana tabacum L. and baking
Roasting perfume (or spice) is remarkably reinforced, and hamony is good, and miscellaneous QI alleviates, and stimulates and reduces, and pleasant impression is comfortable, and gratification substantially increases, overall sucking quality
It is improved.
2, volatility, semi-volatility component analysis and contrast
The tobacco extract using GC/MS to prepare embodiment 4 and comparative example carries out component analysis, and result see table 2.
Table 2 GC/MS analysis result
As shown in Table 2, in embodiment 4, the tobacco extract of extract at low temperature is after the dual separation of membrance separation-molecular distillation, causes
Fragrant component content is apparently higher than the pure tobacco oil of heating extraction, and as nicotine content exceeds 31.9771 μ g/mg, Megastigmatrienone contains
Amount is 2.8 times of comparative example, benzyl alcohol, phenethanol, 5,6-dihydro-2H-pyran-2-one etc. does not detects in comparative example, but real
Execute the content in example 4 the highest.It addition, in embodiment 4 there be the content of the boiling point such as methyl linolenate, ethyl palmitate higher building matter
Declined.Just because of benzyl alcohol, Megastigmatrienone, neophytadiene, 5,6-dihydro-2H-pyran-2-one, 4-hydroxy-beta-dihydro
The existence of the flavor matter such as damascenone, geranyl acetone and organic assembling thereof, just make tobacco extract of the present invention possess high fragrance
Etc. feature, playing flavouring enrichment increases the effect of gratification.
3, content of reducing sugar measures and contrast
Use for reference industry standard YC/T 159-2002 " the mensuration continuous flow method of Nicotiana tabacum L. and tobacco product water-soluble sugar ", right
Embodiment 4～7 and comparative example in tobacco extract carry out content of reducing sugar mensuration, result see table 3.
Content of reducing sugar contrast in table 3 tobacco extract
As shown in Table 3, in embodiment 4～7, the content of reducing sugar (1.15%～3.32%) of tobacco extract is significantly lower than
Comparative example (34.82%), shows that using the inventive method to prepare tobacco extract can be substantially reduced content of reducing sugar so that it is more
It is applicable to cigarette filter rod perfuming.
Claims (10)
1. tobacco extract, it is characterised in that: extracted by the method comprised the following steps and obtain:
1) in tobacco material, add propylene glycol, at 80～140 DEG C, after standing, toast 0.5～1.5h；
2) pulverize, powder adds extraction solvent, at temperature-20～40 DEG C, extract 4～12h；
3) isolate lixiviating solution, cross ultrafilter membrane, collect permeate and remove solvent, obtaining concentrate；
4) concentrate molecularly distilled secondary separation, vapo(u)rizing temperature be room temperature to 40 DEG C, distill pressure 0.01～0.1mbar,
Collect light component, to obtain final product.
Tobacco extract the most according to claim 1, it is characterised in that: step 1) in the consumption of propylene glycol be tobacco material
The 5%～20% of quality.
Tobacco extract the most according to claim 1, it is characterised in that: step 2) in extraction solvent be concentration more than 95%
Ethanol.
Tobacco extract the most according to claim 1, it is characterised in that: step 3) in the aperture of ultrafilter membrane for retaining molecule
Amount 5～10kD.
5. the extracting method of tobacco extract, it is characterised in that: comprise the following steps:
1) in tobacco material, add propylene glycol, at 80～140 DEG C, after standing, toast 0.5～1.5h；
2) pulverize, powder adds extraction solvent, at temperature-20～40 DEG C, extract 4～12h；
3) isolate lixiviating solution, pass sequentially through micro-filtration membrane and ultrafilter membrane, collect permeate and remove solvent, obtaining concentrate；
4) concentrate molecularly distilled secondary separation, vapo(u)rizing temperature be room temperature to 40 DEG C, distill pressure 0.01～0.1mbar,
Collect light component fraction, to obtain final product.
Extracting method the most according to claim 5, it is characterised in that: step 2) in extraction solvent be concentration more than 95% second
Alcohol.
Extracting method the most according to claim 5, it is characterised in that: step 3) in the aperture of micro-filtration membrane be 50～200nm,
The aperture of ultrafilter membrane is molecular cut off 5～10kD.
8. tobacco extract answering in stem, reconstituted tobacco or cigarette filter rod as according to any one of Claims 1 to 4
With.
Application the most according to claim 8, it is characterised in that: tobacco extract addition in stem or reconstituted tobacco
For 0.002wt%～0.01wt%.
Application the most according to claim 8, it is characterised in that: tobacco extract application in filter stick, including: with dense
Degree more than 95% ethanol is solvent, tobacco extract is diluted to mass concentration 1%～5%, according still further to 5wt%'s～20wt%
Ratio is added in triacetyl glycerine, makes filter stick；Or, with concentration more than 95% ethanol as solvent, by tobacco extract
It is diluted to mass concentration 20%～40%, with the solution dip-coating filter stick center line after dilution, is dried, makes perfuming line filter stick；Again or
Person, with concentration more than 95% ethanol as solvent, is diluted to mass concentration 20%～40% by tobacco extract, with dilution after molten
Liquid coating filter stick formation paper, makes minor diameter filter stick after drying, rolls concentric circular composite filter centered by this filter stick.
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| CN201611044807.0A CN106307604B (en) | 2016-11-22 | 2016-11-22 | tobacco extract, extracting method and application |
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