CN109832657B - Reconstituted tobacco loaded with oil-soluble spice and preparation method and application thereof - Google Patents
Reconstituted tobacco loaded with oil-soluble spice and preparation method and application thereof Download PDFInfo
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Abstract
The invention relates to reconstituted tobacco loaded with oil-soluble spices and a preparation method and application thereof, belonging to the technical field of cigarettes. The reconstituted tobacco loaded with the oil-soluble spice consists of an upper layer of reconstituted tobacco sheet bases and a lower layer of reconstituted tobacco sheet bases which are continuous as sea phases and functional materials which are uniformly dispersed between the two layer of sheet bases as island phases. The island phase functional material is a high-specific-surface-area graphene composite material loaded with oil-soluble essence and flavor, or a microcapsule containing essence and flavor for cigarettes. The island phase part is added between an upper layer and a lower layer of sea phase film base in a sandwich mode, and the sea phase film base is prepared by the processes of press forming, vacuum dehydration, drying, coating, drying and the like. The preparation method of the reconstituted tobacco loaded with the oil-soluble spice overcomes the defect that a large amount of oil-soluble spice is difficult to add in the traditional reconstituted tobacco production process, breaks through the limitation of flavoring and flavor improvement of the conventional water-soluble coating material, widens the selection range of the flavoring and flavor improvement spice of the reconstituted tobacco, and improves the functional design level of the reconstituted tobacco.
Description
Technical Field
The invention belongs to the technical field of cigarettes, and particularly relates to reconstituted tobacco loaded with oil-soluble spices and a preparation method and application thereof.
Background
Along with the gradual increase of the requirements of cigarette consumption markets on natural raw materials and product individuation, more and more reconstituted tobaccos are added with functional components for cigarettes, which have the effect of tonifying the taste and quality of products. According to Van Tao and the like, the aromatic components of the iris root are added into the reconstituted tobacco, so that the smoke quality is obviously improved, and the effect of reducing stimulation is achieved. Chengmai and the like add the Jinqian herb extract into the reconstituted tobacco, when the addition amount is 0.5 percent, the taste of the reconstituted tobacco can be improved, and the effects of promoting the production of body fluid and quenching thirst can be achieved, so that the purposes of removing impurities, reducing thorns and increasing aroma are achieved, and the quality of the reconstituted tobacco is improved. Zjunqi et al mixes sow thistle pulp with reconstituted tobacco pulp to make reconstituted tobacco, and when the mixing proportion of the sow thistle pulp is within 10%, the taste of the tobacco sheet can be improved, the smoke is fine and smooth, and the moisture feeling is improved. The research on the aspect of quality improvement of the reconstituted tobacco greatly improves the sensory quality of the reconstituted tobacco, highlights the style of the reconstituted tobacco and promotes the functional development process of the reconstituted tobacco.
However, due to the limitation of the traditional reconstituted tobacco production process, the reconstituted tobacco coating material still mainly uses water-soluble spices, so that functional characteristic spices added in the coating material are limited in the range of water-soluble spices, the aim of adding a large amount of oil-soluble spices or solid powder type characteristic spices is difficult to realize, and the raw material selection range for developing the characteristic flavor reconstituted tobacco is greatly limited. Therefore, how to overcome the defects of the prior art and customize and develop characteristic flavor reconstituted tobacco is a problem which needs to be solved urgently in the technical field of cigarettes at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the reconstituted tobacco loaded with the oil-soluble spice and the preparation method and the application thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a reconstituted tobacco loaded with oil-soluble spices comprises an upper layer and a lower layer of continuous reconstituted tobacco sheet bases serving as sea phases and functional materials uniformly dispersed between the two layer of sheet bases serving as island phases;
the island phase functional material is loaded with oil-soluble essence and spice and has a specific surface area of more than or equal to 500m2The graphene composite material or the microcapsule containing the tobacco essence perfume is used;
the preparation method of the graphene composite material comprises the following steps:
step a, adding graphene oxide with the oxidation degree C/O of 4.5-8 into a mixed solvent of ethanol and propylene glycol to the concentration of 1.0-4.0 mg/mL, simultaneously adding oil-soluble essence and spice with the mass 5-10 times that of the graphene oxide, and carrying out ultrasonic treatment until the mixture is uniformly mixed to obtain a graphene functional compound;
the volume ratio of ethanol to propylene glycol in the mixed solvent is 3: 1;
b, adding the graphene functional compound obtained in the step a into a mixed solution containing sodium alginate and microcrystalline cellulose, performing ultrasonic stirring until the mixture is uniformly dispersed, performing electrostatic spraying and wet collection, drying, and screening to obtain a graphene composite material;
the mass concentration of the sodium alginate in the mixed solution is 0.1-0.5 g/mL, and the mass concentration of the microcrystalline cellulose is 0.25-0.4 g/mL.
Further, it is preferable that the particle size of the functional material is 50 to 200 mesh.
Further, in the step a, the ultrasonic frequency is preferably 40 to 80 KHz, and the time is preferably 1 to 1.5 hours.
Further, preferably, the microcapsule is O/W type microcapsule of essence and flavor for cigarette. The invention has no special limitation on the type and the preparation method of the O/W type essence and spice microcapsules for cigarettes. The essence perfume contained in the microcapsule can be natural perfume plant volatile component, ester soluble cigarette essence perfume, thermal cracking produced perfume saponin component, natural pigment, active polysaccharide, etc., but is not limited thereto.
Preferably, the microcapsule preparation method comprises the following steps:
dissolving gelatin and gum arabic in deionized water at 40-45 deg.C at a mass ratio of 1:1, stirring to dissolve gelatin and gum arabic completely, and making into wall material water solution with mass concentration of 0.5-3%; adding 5-30g of oil-soluble essence and spice into the wall material solution, maintaining the system temperature at 40-45 ℃, and then carrying out ultrasonic homogenization treatment for 15min at the ultrasonic power of 400W until the whole emulsification system is stable; adding isovolumetric deionized water, continuously stirring for 15min, adding acetic acid with mass concentration of 10% to adjust pH to 4-4.5, allowing two wall materials with different charges to be compounded, naturally cooling the compound system to 25 deg.C, cooling the system to 10 deg.C with ice bath, and maintaining for 30-60 min; adjusting the pH value of the system to 6.0, adding transglutaminase (the mass ratio of gelatin to transglutaminase =2-8: 1) according to the proportion to solidify the wall material, wherein the solidification time is 3h, and the temperature of the system is kept at 4-6 ℃ in the solidification process; and after solidification, filtering the microcapsule, washing the microcapsule for 3 times by using deionized water, and freeze-drying for 48 hours to obtain the O/W type microcapsule of the essence and spice for the cigarettes, namely the O/W oil-soluble essence and spice microcapsule.
The invention also provides a preparation method of the reconstituted tobacco loaded with the oil-soluble spice, which comprises the following steps:
step (1), in the production process of reconstituted tobacco, uniformly stirring tobacco pulp and wood pulp after pulping according to the mass ratio of absolute dry materials of 60-80:40-20, and uniformly spraying the tobacco pulp and the wood pulp on an upper layer forming net and a lower layer forming net to form an upper layer wet sheet base and a lower layer wet sheet base;
continuously and uniformly adding island phase functional materials on the upper surface of the lower wet film base when the lower wet film base is conveyed on a process line at a constant speed;
step (3), while adding island phase functional materials, the upper base is pulled by a roller, is conveyed forwards together with the lower base and is pressed into a uniform wet base, and the functional materials are uniformly dispersed in the whole sea phase wet base in an island phase mode to form a sea-island phase separation structure;
and (4) draining, drying and forming the obtained laminated film base to obtain the reconstituted tobacco loaded with the oil-soluble spice.
Further, in the step (1), it is preferable that the upper and lower wet sheet bases are simultaneously and independently pulp-jet-molded, and the amount of the upper sheet base is in the range of 10g/m2-50g/m2The mass range of the lower layer tablet is 10g/m on a dry basis2-50g/m2(ii) a The addition quality of the island phase functional material does not exceed that of the upper layer sheet basal stem baseAnd 30% of the sum of the dry basis weight of the lower layer chip.
Further, preferably, in the step (4), after drying and forming, coating and drying are carried out to obtain the reconstituted tobacco loaded with the oil-soluble spice. The coating here is to recoat the conventional water-soluble coating material, and the present invention is not limited to a specific kind of the conventional water-soluble coating material.
The invention also provides application of the reconstituted tobacco loaded with the oil-soluble spice in cigarettes. The specific application method is to use the reconstituted tobacco loaded with oil-soluble spices as a leaf group formula, and the leaf group formula can be a flavored type, a taste regulation type or a special flavor type leaf group formula, but is not limited to the above.
The invention further provides a cigarette, and the cigarette tobacco formula comprises the reconstituted tobacco loaded with the oil-soluble spice.
The functional material is presented in the form of a solid-phase dispersion system in the reconstituted tobacco loaded with oil-soluble spices.
The characteristic flavor control function of the functional material loaded with oil-soluble spices in the reconstituted tobacco is mainly embodied in that the functional material in the sheet can endow fragrance and taste characteristics.
The mode of adding the functional material is preferably a screw type quantitative continuous feeding mode, but is not limited to the mode.
The invention has no specific limitation on the adoption of the tobacco essence flavor, and the tobacco essence flavor can be used as long as the tobacco essence flavor meets the tobacco industry regulations.
The invention basically keeps the original taste characteristics of the spice and has large designable sensory space; the functional material is uniformly dispersed in the upper and lower substrates, so that the structure is stable and the powder is not easy to fall off; generally, the reconstituted tobacco coating liquid is water-soluble spice, and oil-soluble spice is difficult to add to enhance the style and aroma richness of the reconstituted tobacco; according to the invention, the preferable functional material is a microcapsule containing tobacco essence perfume, and the microcapsule can wrap and store oil-soluble essence perfume, so that the problem that reconstituted tobacco can only be coated with water-soluble perfume can be solved.
Compared with the prior art, the invention has the beneficial effects that:
(1) the method takes the development of the characteristic flavor regulation type reconstituted tobacco as a research target, forms a reconstituted tobacco development and application technical system which has targeted promotion and compensation functions on the smoking feeling, has customization and quantitative loading functions on the characteristic flavor of the product, and has innovation breakthrough in the reconstituted tobacco development concept and mode;
(2) according to the preparation method of the reconstituted tobacco, the upper layer film base and the lower layer film base can be synchronously sprayed with slurry to be manufactured or manufactured and formed independently, and the quality of a dry base can be regulated and controlled according to design requirements;
(3) the functional material adopted by the invention is a graphene composite material loaded with oil-soluble essence and spice and having a high specific surface area, or a microcapsule containing the essence and spice for tobacco, and the microcapsule is uniformly dispersed in the reconstituted tobacco sheet base, so that on one hand, the defect that the oil-soluble spice is difficult to add in the traditional process is overcome, and on the other hand, the functional material is dispersed in the sheet base, and the defects that the powder is easy to fall off and lose when the solid powder is coated on the surface of the sheet base in the prior art are avoided;
(4) the preparation method of the reconstituted tobacco loaded with the oil-soluble spice breaks through the limitation of the conventional water-soluble coating material, and widens the selection range of aroma enhancement and flavor extraction of the reconstituted tobacco by a paper-making method. In the invention, because the functional material is added in a solid form, the adding amount of the functional material can be 0-30% of the total mass of the functional sheet for the cigarette.
Detailed Description
The present invention will be described in further detail with reference to examples.
It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The materials or equipment used are not indicated by manufacturers, and all are conventional products available by purchase.
Example 1
A reconstituted tobacco loaded with oil-soluble spices comprises an upper layer and a lower layer of continuous paper-making reconstituted tobacco sheet bases serving as sea phases and functional materials uniformly dispersed between the two layers of sheet bases serving as island phases.
The functional material is loaded with rose essence and has a specific surface area of more than or equal to 500m2The particle size range of the functional material of the graphene composite material is controlled to be 50-150 meshes.
The preparation method of the graphene composite material comprises the following steps:
step a, the oxidation degree C/is 4.5-5: adding the graphene oxide of 1 into a mixed solvent of ethanol and propylene glycol until the concentration is 1.0 mg/mL, simultaneously adding oil-soluble essence and spice with the mass 5 times that of the graphene oxide, and carrying out ultrasonic treatment until the mixture is uniformly mixed to obtain a graphene functional compound;
wherein the volume ratio of ethanol to propylene glycol in the mixed solvent is 3: 1; the ultrasonic frequency is 40 KHz, and the time is 1 h;
b, adding the graphene functional compound obtained in the step a into a mixed solution containing sodium alginate and microcrystalline cellulose, performing ultrasonic stirring until the mixture is uniformly dispersed, performing electrostatic spraying and wet collection, and drying to obtain a graphene composite material with the particle size of 50-150 meshes;
the mass concentration of the sodium alginate in the mixed solution is 0.1 g/mL, and the mass concentration of the microcrystalline cellulose is 0.25 g/mL.
The preparation method of the reconstituted tobacco loaded with the oil-soluble spices comprises the following steps:
step (1), uniformly stirring tobacco pulp and wood pulp in an absolute dry material mass ratio of 60:40 in the production process of reconstituted tobacco, and uniformly spraying the tobacco pulp and the wood pulp on an upper layer forming net and a lower layer forming net to form an upper layer wet film base and a lower layer wet film base, wherein the dry mass of the upper film base is 10g/m2The lower piece has a dry mass of 10g/m2；
Continuously and uniformly adding island phase functional materials on the upper surface of the lower layer wet film base when the lower layer wet film base is conveyed on a process line at a constant speed, wherein the island phase functional materials are added according to 30% of the sum of the dry base mass of the upper layer film base and the lower layer film base;
step (3), while adding island phase functional materials, the upper base is pulled by a roller, is conveyed forwards together with the lower base and is pressed into a uniform wet base, and the functional materials are uniformly dispersed in the whole sea phase wet base in an island phase mode to form a sea-island phase separation structure;
and (4) draining, drying and forming the island structure film base to obtain the reconstituted tobacco HDS-1# loaded with the oil-soluble spice.
Example 2
A reconstituted tobacco loaded with oil-soluble spices comprises an upper layer and a lower layer of continuous paper-making reconstituted tobacco sheet bases serving as sea phases and functional materials uniformly dispersed between the two layers of sheet bases serving as island phases.
The functional material is loaded with coffee essence and has a specific surface area of more than or equal to 500m2The particle size range of the functional material of the graphene composite material is controlled to be 50-200 meshes.
The preparation method of the graphene composite material comprises the following steps:
step a, adjusting the oxidation degree C/O to be 5-7: adding the graphene oxide of 1 into a mixed solvent of ethanol and propylene glycol until the concentration is 4.0 mg/mL, simultaneously adding oil-soluble essence and spice with the mass 10 times that of the graphene oxide, and carrying out ultrasonic treatment until the mixture is uniformly mixed to obtain a graphene functional compound;
wherein the volume ratio of ethanol to propylene glycol in the mixed solvent is 3: 1; the ultrasonic frequency is 80 KHz, and the time is 1.5 h;
b, adding the graphene functional compound obtained in the step a into a mixed solution containing sodium alginate and microcrystalline cellulose, performing ultrasonic stirring until the mixture is uniformly dispersed, performing electrostatic spraying and wet collection, and drying to obtain a graphene composite material with the particle size of 50-200 meshes;
the mass concentration of the sodium alginate in the mixed solution is 0.5 g/mL, and the mass concentration of the microcrystalline cellulose is 0.4 g/mL.
The preparation method of the reconstituted tobacco loaded with the oil-soluble spices comprises the following steps:
step (1), in the production process of reconstituted tobacco, the tobacco pulp and wood pulp after pulping are processed according to the absolute dry material qualityUniformly stirring the mixture in a ratio of 80:20, and uniformly spraying the mixture on upper and lower forming nets to form upper and lower wet film bases; wherein the dry basis weight of the upper tablet is 50 g/m2The lower piece has a dry basis mass of 50 g/m2；
Continuously and uniformly adding island phase functional materials on the upper surface of the lower layer wet film base when the lower layer wet film base is conveyed on a process line at a constant speed, wherein the island phase functional materials are added according to 12% of the sum of the dry base mass of the upper layer film base and the lower layer film base;
step (3), while adding island phase functional materials, the upper base is pulled by a roller, is conveyed forwards together with the lower base and is pressed into a uniform wet base, and the functional materials are uniformly dispersed in the whole sea phase wet base in an island phase mode to form a sea-island phase separation structure;
and (4) draining, drying and forming the island structure film base to obtain the reconstituted tobacco HDS-2# loaded with the oil-soluble spice.
Example 3
A reconstituted tobacco loaded with oil-soluble spices comprises an upper layer and a lower layer of continuous paper-making reconstituted tobacco sheet bases serving as sea phases and functional materials uniformly dispersed between the two layers of sheet bases serving as island phases.
The functional material is loaded with tangerine peel essence, and the specific surface area is more than or equal to 500m2Graphene composite material per gram.
The preparation method of the graphene composite material comprises the following steps:
step a, setting the oxidation degree C/O to be 6-8: adding the graphene oxide of 1 into a mixed solvent of ethanol and propylene glycol until the concentration is 3.0 mg/mL, simultaneously adding oil-soluble essence and spice with the mass 8 times that of the graphene oxide, and carrying out ultrasonic treatment until the mixture is uniformly mixed to obtain a graphene functional compound, wherein the particle size range of the functional material is controlled to be 50-150 meshes;
wherein the volume ratio of ethanol to propylene glycol in the mixed solvent is 3: 1; the ultrasonic frequency is 60 KHz, and the time is 1.3 h;
b, adding the graphene functional compound obtained in the step a into a mixed solution containing sodium alginate and microcrystalline cellulose, performing ultrasonic stirring until the mixture is uniformly dispersed, performing electrostatic spraying and wet collection, and drying to obtain a graphene composite material with the particle size of 50-150 meshes;
the mass concentration of the sodium alginate in the mixed solution is 0.3 g/mL, and the mass concentration of the microcrystalline cellulose is 0.3 g/mL.
The preparation method of the reconstituted tobacco loaded with the oil-soluble spices comprises the following steps:
step (1), uniformly stirring the tobacco pulp and wood pulp after pulping in a pulp pool according to the absolute dry material mass ratio (the tobacco pulp: wood pulp mass ratio =70: 30), then opening a water wall, opening a pulp sprayer and a pulp pump after the water wall is formed, and simultaneously uniformly spraying the pulp on an upper layer forming net and a lower layer forming net to form an upper wet sheet base and a lower wet sheet base, wherein the dry base mass of the upper sheet base is 25 g/m2The lower piece has a dry mass of 30 g/m2；
Continuously and uniformly adding island phase functional materials on the upper surface of the lower layer wet film base when the lower layer wet film base is conveyed on a process line at a constant speed, wherein the island phase functional materials are added according to 10% of the sum of the dry base mass of the upper layer film base and the lower layer film base;
step (3), while adding island phase functional materials, the upper base is pulled by a roller, is conveyed forwards together with the lower base and is pressed into a uniform wet base, and the functional materials are uniformly dispersed in the whole sea phase wet base in an island phase mode to form a sea-island phase separation structure;
and (4) draining, drying, forming, coating and drying the island-structure film base to obtain the reconstituted tobacco HDS-3# loaded with the oil-soluble spice.
Example 4
A reconstituted tobacco loaded with oil-soluble spices comprises an upper layer and a lower layer of continuous paper-making reconstituted tobacco sheet bases serving as sea phases and functional materials uniformly dispersed between the two layers of sheet bases serving as island phases.
The functional material is a microcapsule with the particle size of 50-200 meshes. The microcapsule is O/W type essence for tobacco, and the microcapsule is O/W type essence for tobacco. The preparation method comprises the following steps:
dissolving gelatin and gum arabic in deionized water at 45 deg.C at a mass ratio of 1:1, stirring to dissolve gelatin and gum arabic completely, and making into wall material water solution with concentration of 2.5%; adding 15g of oil-soluble essence and flavor (peppermint oil: damascenone =1: 2) into the wall material solution, maintaining the system temperature at 45 ℃, and then carrying out ultrasonic homogenization treatment for 15min at the ultrasonic power of 400W until the whole emulsification system is stable; adding isovolumetric deionized water, continuously stirring for 15min, adding 10% acetic acid to adjust pH to 4, allowing two wall materials with different charges to be compounded, naturally cooling the composite system to 25 ℃, cooling the system to 10 ℃ by adopting an ice bath, and keeping for 45 min; adjusting the pH value of the system to be 6.0, adding glutamine transaminase (gelatin: glutamine transaminase =4: 1) in proportion to solidify the wall material, wherein the solidification time is 3h, and the temperature of the system is kept at 6 ℃ in the solidification process; after the solidification, the microcapsule is filtered, washed by deionized water for 3 times, and freeze-dried for 48 hours to obtain the microcapsule.
The preparation method of the reconstituted tobacco loaded with the oil-soluble spices comprises the following steps:
step (1), uniformly stirring the tobacco pulp and wood pulp after pulping in a pulp pool according to the absolute dry material mass ratio (the tobacco pulp: wood pulp mass ratio =65: 35), then opening a water wall, opening a pulp sprayer and a pulp pump after the water wall is formed, and simultaneously uniformly spraying the pulp on an upper layer forming net and a lower layer forming net to form an upper wet sheet base and a lower wet sheet base, wherein the dry base mass of the upper sheet base is 30 g/m2The lower piece has a dry mass of 30 g/m2；
Continuously and uniformly adding island phase functional materials on the upper surface of the lower layer wet film base when the lower layer wet film base is conveyed on a process line at a constant speed, wherein the island phase functional materials are added according to 5% of the sum of the dry base mass of the upper layer film base and the lower layer film base;
step (3), while adding island phase functional materials, the upper base is pulled by a roller, is conveyed forwards together with the lower base and is pressed into a uniform wet base, and the functional materials are uniformly dispersed in the whole sea phase wet base in an island phase mode to form a sea-island phase separation structure;
and (4) draining, drying, forming, coating and drying the island-structure film base to obtain the reconstituted tobacco HDS-4# loaded with the oil-soluble spice.
Performance detection
The reconstituted tobacco loaded with the oil-soluble spices in the embodiments 1 to 4 is shredded, blended into the same cigarette leaf group formula according to the mass proportion of 10 percent respectively, and auxiliary materials such as cigarette paper, tipping paper, forming paper, acetate fiber filter sticks and the like which are the same as the cigarette with the brand are adopted to prepare cigarette samples PF1# -PF4 #.
Meanwhile, the reconstituted tobacco prepared by the same method as that of the embodiment 1-4 without adding functional materials is cut into threads, and auxiliary materials such as cigarette paper, tipping paper, forming paper, acetate fiber filter sticks and the like which are the same as those of the PF1# -PF4# cigarette samples are adopted to prepare cigarettes as a comparison. Sensory quality was evaluated with reference to GB5606.4-2005, and the results are shown in Table 1.
TABLE 1
From the test results it is shown that, compared to the control:
the cigarette smoke of the PF1# cigarette has obvious fresh and sweet and flower fragrance, the cigarette fragrance is fresh and natural, the sweetness and comfort degree of the smoke are improved, miscellaneous gases are covered, the irritation is reduced, and the smoking comfort is obviously improved.
PF2# cigarette has advantages of full-blown and mellow fragrance, increased fragrance richness, sweet fragrance and baking fragrance, clean and comfortable aftertaste, and improved smoking quality.
The cigarette fragrance and the fruit fragrance of the PF3# cigarette are perfectly combined, the cigarette is endowed with a sweet and sweet taste, the odor characteristic is prominent, the aroma quality and the sweet feeling are obviously improved, the irritation is reduced, and the taste aftertaste is obviously improved.
PF4# tobacco has enhanced herbal fragrance, is soft and smooth to the lower throat with a slight cool feeling, has improved sweet feeling, and has obviously reduced dry feeling, miscellaneous gas and irritation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The reconstituted tobacco loaded with the oil-soluble spice is characterized by consisting of an upper layer and a lower layer of continuous reconstituted tobacco sheet bases serving as sea phases and functional materials uniformly dispersed between the two layer bases serving as island phases;
the island phase functional material is loaded with oil-soluble essence and spice and has a specific surface area of more than or equal to 500m2A graphene composite material per gram;
the preparation method of the graphene composite material comprises the following steps:
step a, adding graphene oxide with the oxidation degree C/O of 4.5-8 into a mixed solvent of ethanol and propylene glycol to the concentration of 1.0-4.0 mg/mL, simultaneously adding oil-soluble essence and spice with the mass 5-10 times that of the graphene oxide, and carrying out ultrasonic treatment until the mixture is uniformly mixed to obtain a graphene functional compound;
the volume ratio of ethanol to propylene glycol in the mixed solvent is 3: 1;
b, adding the graphene functional compound obtained in the step a into a mixed solution containing sodium alginate and microcrystalline cellulose, performing ultrasonic stirring until the mixture is uniformly dispersed, performing electrostatic spraying and wet collection, drying, and screening to obtain a graphene composite material;
the mass concentration of the sodium alginate in the mixed solution is 0.1-0.5 g/mL, and the mass concentration of the microcrystalline cellulose is 0.25-0.4 g/mL.
2. The reconstituted tobacco loaded with oil-soluble spices according to claim 1, wherein the grain size of the island phase functional material is 50-200 meshes.
3. The reconstituted tobacco loaded with the oil-soluble spice according to claim 1, wherein in the step a, the ultrasonic frequency is 40-80 KHz, and the time is 1-1.5 h.
4. The preparation method of the reconstituted tobacco loaded with the oil-soluble spice according to any one of claims 1 to 3, which is characterized by comprising the following steps of:
step (1), in the production process of reconstituted tobacco, uniformly stirring tobacco pulp and wood pulp after pulping according to the mass ratio of absolute dry materials of 60-80:40-20, and uniformly spraying the tobacco pulp and the wood pulp on an upper layer forming net and a lower layer forming net to form an upper layer wet sheet base and a lower layer wet sheet base;
continuously and uniformly adding island phase functional materials on the upper surface of the lower wet film base when the lower wet film base is conveyed on a process line at a constant speed;
step (3), while adding island phase functional materials, the upper base is pulled by a roller, is conveyed forwards together with the lower base and is pressed into a uniform wet base, and the functional materials are uniformly dispersed in the whole sea phase wet base in an island phase mode to form a sea-island phase separation structure;
and (4) draining, drying and forming the obtained laminated film base to obtain the reconstituted tobacco loaded with the oil-soluble spice.
5. The method for preparing reconstituted tobacco loaded with oil-soluble spices according to claim 4, wherein in the step (1), the upper layer wet sheet base and the lower layer wet sheet base are simultaneously and independently formed by spraying slurry into paper, and the amount of the upper layer wet sheet base is 10g/m2-50g/m2The mass range of the lower layer tablet is 10g/m on a dry basis2-50g/m2(ii) a The addition mass of the island phase functional material is not more than 30% of the sum of the dry basis of the upper layer sheet and the dry basis of the lower layer sheet.
6. The preparation method of the reconstituted tobacco loaded with the oil-soluble spice according to claim 4, wherein in the step (4), the reconstituted tobacco loaded with the oil-soluble spice is obtained after drying and forming and then coating and drying.
7. The reconstituted tobacco loaded with oil-soluble spices according to any one of claims 1-3 is applied to cigarettes.
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| CN102823945A (en) * | 2012-09-17 | 2012-12-19 | 川渝中烟工业有限责任公司 | Essence particle additive as well as preparation method and application thereof |
| CN102864016A (en) * | 2012-09-26 | 2013-01-09 | 云南烟草科学研究院 | Microcapsule rose essential oil and application thereof in tobacco |
| CN103355739A (en) * | 2013-08-06 | 2013-10-23 | 湖北中烟工业有限责任公司 | Method for manufacturing recombined tobacco leaves through paper-making mode |
| CN104997160A (en) * | 2015-07-21 | 2015-10-28 | 中国烟草总公司广东省公司 | Tobacco extractive particle and preparation method thereof |
| CN106009878A (en) * | 2016-06-22 | 2016-10-12 | 佛山市高明绿化纳新材料有限公司 | Slow-release type sandalwood essential oil and application of sandalwood essential oil in button coating |
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