CN110367584B - Tobacco additive and application thereof - Google Patents
Tobacco additive and application thereof Download PDFInfo
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- CN110367584B CN110367584B CN201910574812.XA CN201910574812A CN110367584B CN 110367584 B CN110367584 B CN 110367584B CN 201910574812 A CN201910574812 A CN 201910574812A CN 110367584 B CN110367584 B CN 110367584B
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- tobacco
- alumina
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- ferroferric oxide
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- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 192
- 239000000654 additive Substances 0.000 title claims abstract description 69
- 230000000996 additive effect Effects 0.000 title claims abstract description 64
- 244000061176 Nicotiana tabacum Species 0.000 title 1
- 241000208125 Nicotiana Species 0.000 claims abstract description 191
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 117
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 77
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 50
- 235000011187 glycerol Nutrition 0.000 claims abstract description 33
- 235000013311 vegetables Nutrition 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 23
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 76
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 33
- 238000002360 preparation method Methods 0.000 claims description 32
- 238000000605 extraction Methods 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 27
- 239000000706 filtrate Substances 0.000 claims description 26
- WNGSUWLDMZFYNZ-UHFFFAOYSA-N Leonurine Chemical compound COC1=CC(C(=O)OCCCCN=C(N)N)=CC(OC)=C1O WNGSUWLDMZFYNZ-UHFFFAOYSA-N 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 14
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 12
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 7
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 7
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 abstract description 21
- 230000000391 smoking effect Effects 0.000 abstract description 11
- 235000009508 confectionery Nutrition 0.000 abstract description 6
- 239000003205 fragrance Substances 0.000 abstract description 5
- 238000002386 leaching Methods 0.000 description 24
- XKABJYQDMJTNGQ-VIFPVBQESA-N n-nitrosonornicotine Chemical compound O=NN1CCC[C@H]1C1=CC=CN=C1 XKABJYQDMJTNGQ-VIFPVBQESA-N 0.000 description 15
- 238000002156 mixing Methods 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 235000019505 tobacco product Nutrition 0.000 description 7
- 239000000523 sample Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 230000001953 sensory effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000013068 control sample Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007794 irritation Effects 0.000 description 3
- XKLJHFLUAHKGGU-UHFFFAOYSA-N nitrous amide Chemical class ON=N XKLJHFLUAHKGGU-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- BXYPVKMROLGXJI-JTQLQIEISA-N 3-[(2s)-1-nitrosopiperidin-2-yl]pyridine Chemical compound O=NN1CCCC[C@H]1C1=CC=CN=C1 BXYPVKMROLGXJI-JTQLQIEISA-N 0.000 description 2
- 244000269722 Thea sinensis Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002481 ethanol extraction Methods 0.000 description 2
- 239000006101 laboratory sample Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 description 2
- 235000013824 polyphenols Nutrition 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- CIJBKNZDKBKMFU-UHFFFAOYSA-N N-nitrosomethanamine Chemical compound CNN=O CIJBKNZDKBKMFU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000004005 nitrosamines Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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
- A24B15/18—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
-
- 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
Abstract
The invention relates to the technical field of cigarettes, in particular to a tobacco additive and application thereof. The invention provides a tobacco additive which comprises the following raw materials in parts by weight: 8-45 parts of propylene glycol and vegetable glycerin, and 1-5 parts of a tobacco extract. The tobacco additive provided by the invention can effectively inhibit the sweet and greasy feeling of smoke caused by the addition of PG and VG, greatly enhances the smoking taste, and simultaneously improves the fragrance during smoking, so that the smoke is softer.
Description
Technical Field
The invention relates to the technical field of cigarettes, in particular to a tobacco additive and application thereof.
Background
Conventional cigarettes (or conventional lit cigarettes) have been a mainstream product form of tobacco consumption for over 100 years. Along with the enhancement of public awareness of cigarette harmfulness and the enhancement of cigarette control force of governments, tobacco enterprises in various countries around the world have enhanced development of novel tobacco products. At present, the novel tobacco products are represented by heating non-combustion cigarettes, wherein the novel tobacco products are most similar to the traditional cigarettes in the aspects of physiological feelings, smoking modes and the like, and have good development potential.
Research shows that most of harmful components in the smoke of the traditional ignition type cigarette are generated by reactions such as thermal cracking, thermal synthesis and the like in the high-temperature combustion process of tobacco. The specific N-nitrosamine compounds in the tobacco are not only important compounds in a Hoffman list and a list of harmful and potential harmful substances in tobacco products and smoke of the United states food and drug administration, but also important components in a list of 28 harmful substances in smokeless tobacco products of the International cancer research organization, and mainly have four forms: n-nitrosonornicotine (NNN), N-Nitrosoneonicotine (NAT), N-Nitrosoanabasine (NAB) and 4- (methylnitrosamine) -1- (3-pyridyl) -1-butanone (NNK). Among them, N-nitrosonornicotine (NNN) is a representative compound among tobacco-specific nitrosamines. Therefore, how to reduce the release amount of N-nitrosonornicotine in the smoke of tobacco products is one of the main directions of the research of cigarette enterprises at home and abroad.
Compared with the traditional ignition type cigarette, the heating non-combustion type cigarette has the characteristics that tobacco is heated instead of combusted, and high-temperature cracking during combustion of the tobacco is avoided, so that the release amount of harmful ingredients in main stream smoke generated by the tobacco is greatly reduced, and certain tobacco characteristic feeling is provided for consumers. However, compared with the traditional ignition type cigarette, the heating non-combustion type cigarette has a larger gap in aspects of aroma, taste and the like, and the acceptance and acceptance degree of the cigarette by consumers is seriously influenced.
The prior art CN108835714A discloses a tobacco filler of a dual-purpose cigarette, which comprises a tobacco raw material, wherein PG (propylene glycol) and VG (vegetable glycerin) are added into the tobacco raw material, the weight percentage ratio of PG and VG in the tobacco raw material is 5% -50%, and the weight percentage ratio of water in the tobacco raw material is 5% -10%. The tobacco filler of the dual-purpose cigarette provided by the scheme can reduce the acid odor of the tobacco soaking water sample in smoke during baking the conventional cigarette when being used for low-temperature non-combustion smoking, so that the tobacco filler is closer to the fragrance during combustion smoking of the conventional cigarette. However, the tobacco filler provided by the scheme has a heavy sweet and greasy smoke due to the addition of PG and VG, so that the feeling during smoking is influenced, and the smoking mouthfeel is reduced.
Disclosure of Invention
The invention aims to solve the problems that the sweet and greasy taste of smoke is heavy and the smoking taste is influenced due to the addition of PG and VG in the prior art, so that the tobacco additive and the application thereof are provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a tobacco additive comprises the following raw materials in parts by weight: 8-45 parts of propylene glycol and vegetable glycerin, and 1-5 parts of a tobacco extract.
Preferably, the tobacco extract is prepared from Yunnan tobacco leaves and Zimbabwe tobacco leaves by ethanol extraction.
Preferably, the preparation method of the tobacco extract comprises the following steps of adding Yunnan tobacco leaves and Zimbabwe tobacco leaves into 40-60% ethanol water solution for extraction, filtering after extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract.
Preferably, the leaching temperature is 20-40 ℃, and the leaching time is 6-8 hours.
Preferably, the weight ratio of the Yunnan tobacco leaves to the Zimbabwe tobacco leaves is 1: 0.8-1.2.
Preferably, 0.01-0.5 part of leonurine hydrochloride is also included.
Preferably, the composite material also comprises 0.1-1.5 parts of ferroferric oxide modified alumina.
Preferably, the preparation method of the ferroferric oxide modified alumina comprises the following steps:
1) calcining the alumina powder at the temperature of 500-600 ℃ to obtain calcined alumina;
2) adding the calcined alumina into a hydroxyethyl cellulose aqueous solution, and stirring to obtain an alumina suspension;
3) adding nano ferroferric oxide particles into the alumina suspension obtained in the step 2), continuously stirring, vacuum drying and crushing to obtain the modified alumina.
Preferably, the mass ratio of the nano ferroferric oxide particles to the alumina powder is 1: 10-20.
Preferably, the propylene glycol is 4-41 parts.
Preferably, the vegetable glycerin accounts for 4-41 parts.
The invention also provides an application of the tobacco additive in ignition type cigarettes and/or heating non-combustion type cigarettes.
In the present invention, the tobacco additive can be added to a tobacco material having a moisture content of 6-9%. Preferably, the tobacco material is in the form of threads, granules or flakes. When the tobacco additive is applied to a heating non-combustion type cigarette, the cigarette paper used is a cigar paper.
The invention has the beneficial effects that:
1) the invention provides a tobacco additive which comprises the following raw materials in parts by weight: 8-45 parts of propylene glycol and vegetable glycerin, and 1-5 parts of a tobacco extract. According to the invention, the tobacco extract is added on the basis of propylene glycol and vegetable glycerin, and volatile substances such as alcohols, aldehydes, lower fatty acids and esters thereof contained in the tobacco extract are utilized, so that the sweet and greasy feeling of smoke caused by the addition of PG and VG is effectively inhibited, the smoking taste is greatly enhanced, the fragrance during smoking is improved, and the smoke is softer.
2) The invention provides a tobacco additive, and further, the tobacco extract is prepared from Yunnan tobacco leaves and Zimbabwe tobacco leaves by ethanol extraction; the weight ratio of the Yunnan tobacco leaves to the Zimbabwe tobacco leaves is 1: 0.8-1.2. The tobacco extract obtained by alcohol extraction from Yunnan tobacco leaves and Zimbabwe tobacco leaves in a specific ratio is more beneficial to inhibiting the sweet greasy feeling of the smoke caused by the addition of PG and VG, so that the fragrance is full and the texture is obviously improved.
3) The invention provides a tobacco additive, which further comprises 0.01-0.5 part of leonurine hydrochloride. Through a great deal of experimental research, the inventor unexpectedly finds that the release amount of N-nitrosonornicotine in smoke can be effectively reduced by adding a specific amount of leonurine hydrochloride into tobacco raw materials, probably because the unique spatial configuration of leonurine is more beneficial to the action with nitrosamine substances, so that the release amount of N-nitrosonornicotine in smoke is effectively reduced.
4) The invention provides a tobacco additive, which further comprises 0.1-1.5 parts of ferroferric oxide modified alumina. The invention creatively utilizes ferroferric oxide to modify the alumina, so that the modified alumina has magnetic characteristics. Through a great deal of experimental research, the inventor finds that the modified alumina can effectively reduce the release amount of N-nitrosonornicotine in smoke.
5) The invention provides a tobacco additive, further, the alumina powder is calcined at the temperature of 500-600 ℃, so that the alumina powder has rich void structures, then under the adhesion action of hydroxyethyl cellulose, nano ferroferric oxide particles are distributed around the alumina, and the modified alumina is obtained by vacuum drying and crushing, wherein the modified alumina has magnetic characteristics on the basis of having rich voids, so that the adsorption capacity of N-nitrosonornicotine in smoke is greatly improved. Further, in the preparation process of the modified alumina, the mass ratio of the nano ferroferric oxide particles to the alumina powder is 1: 10-20. Under the specific proportion, only a small part of the nano ferroferric oxide particles are coated around the alumina, the modified alumina in the state is more favorable for adsorbing N-nitrosonornicotine, and when the nano ferroferric oxide particles are added in an excessive amount, the adsorption capacity of the modified alumina on the N-nitrosonornicotine is reduced.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
Example 1
The embodiment provides a tobacco additive, which comprises the following raw materials: 4g of propylene glycol, 41g of vegetable glycerol and 1g of tobacco extract.
The preparation method of the tobacco extract comprises the following steps: adding 100g of Yunnan tobacco leaves and 80g of Zimbabwe tobacco leaves into 1000ml of 40% ethanol water solution for extraction, filtering after extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 20 ℃, and the leaching time is 8 hours.
The preparation method of the tobacco additive comprises the following steps: and uniformly mixing propylene glycol, vegetable glycerin and the tobacco extract to obtain the tobacco additive.
Example 2
The embodiment provides a tobacco additive, which comprises the following raw materials: 41g of propylene glycol, 4g of vegetable glycerol and 5g of tobacco extract.
The preparation method of the tobacco extract comprises the following steps: adding 100g of Yunnan tobacco leaves and 120g of Zimbabwe tobacco leaves into 1500ml of ethanol water solution with the mass fraction of 60% for extraction, filtering after extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 40 ℃, and the leaching time is 6 hours.
The preparation method of the tobacco additive comprises the following steps: and uniformly mixing propylene glycol, vegetable glycerin and the tobacco extract to obtain the tobacco additive.
Example 3
The embodiment provides a tobacco additive, which comprises the following raw materials: 12g propylene glycol, 12g vegetable glycerol, 2g tobacco extract.
The preparation method of the tobacco extract comprises the following steps: adding 50g of Yunnan tobacco leaves and 50g of Zimbabwe tobacco leaves into 1000ml of ethanol water solution with the mass fraction of 50% for extraction, filtering after the extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 30 ℃, and the leaching time is 7 hours.
The preparation method of the tobacco additive comprises the following steps: and uniformly mixing propylene glycol, vegetable glycerin and the tobacco extract to obtain the tobacco additive.
Example 4
The embodiment provides a tobacco additive, which comprises the following raw materials: 12g propylene glycol, 12g vegetable glycerol, 2g tobacco extract, 0.01g leonurine hydrochloride.
The preparation method of the tobacco extract comprises the following steps: adding 50g of Yunnan tobacco leaves and 50g of Zimbabwe tobacco leaves into 1000ml of ethanol water solution with the mass fraction of 50% for extraction, filtering after the extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 30 ℃, and the leaching time is 7 hours.
The preparation method of the tobacco additive comprises the following steps: and uniformly mixing propylene glycol, vegetable glycerin, a tobacco extract and leonurine hydrochloride to obtain the tobacco additive.
Example 5
The embodiment provides a tobacco additive, which comprises the following raw materials: 20g propylene glycol, 5g vegetable glycerol, 4g tobacco extract, 0.5g leonurine hydrochloride.
The preparation method of the tobacco extract comprises the following steps: adding 50g of Yunnan tobacco leaves and 50g of Zimbabwe tobacco leaves into 1000ml of ethanol water solution with the mass fraction of 50% for extraction, filtering after the extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 30 ℃, and the leaching time is 7 hours.
The preparation method of the tobacco additive comprises the following steps: and uniformly mixing propylene glycol, vegetable glycerin, a tobacco extract and leonurine hydrochloride to obtain the tobacco additive.
Example 6
The embodiment provides a tobacco additive, which comprises the following raw materials: 12g of propylene glycol, 12g of vegetable glycerol, 2g of tobacco extract, 0.01g of leonurine hydrochloride and 0.1g of ferroferric oxide modified alumina.
The preparation method of the tobacco extract comprises the following steps: adding 50g of Yunnan tobacco leaves and 50g of Zimbabwe tobacco leaves into 1000ml of ethanol water solution with the mass fraction of 50% for extraction, filtering after the extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 30 ℃, and the leaching time is 7 hours.
The preparation method of the ferroferric oxide modified alumina comprises the following steps:
1) calcining 100g of alumina powder at 500 ℃ for 0.5h, and crushing the calcined alumina powder into powder with the granularity of 30 meshes to obtain calcined alumina;
2) adding the calcined alumina into 200ml of hydroxyethyl cellulose aqueous solution with the mass fraction of 10%, and stirring for 10min to obtain alumina suspension;
3) adding 10g of nano ferroferric oxide particles into the alumina suspension obtained in the step 2), continuously stirring for 30min, carrying out vacuum drying, and crushing into powder with the granularity of 30 meshes to obtain the modified alumina.
The preparation method of the tobacco additive comprises the following steps: uniformly mixing propylene glycol, vegetable glycerin, a tobacco extract, leonurine hydrochloride and ferroferric oxide modified alumina to obtain the tobacco additive.
Example 7
The embodiment provides a tobacco additive, which comprises the following raw materials: 14g of propylene glycol, 10g of vegetable glycerol, 2g of tobacco extract, 0.2g of leonurine hydrochloride and 1.5g of ferroferric oxide modified alumina.
The preparation method of the tobacco extract comprises the following steps: adding 50g of Yunnan tobacco leaves and 50g of Zimbabwe tobacco leaves into 1000ml of ethanol water solution with the mass fraction of 50% for extraction, filtering after the extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 30 ℃, and the leaching time is 7 hours.
The preparation method of the ferroferric oxide modified alumina comprises the following steps:
1) calcining 100g of alumina powder at 600 ℃ for 0.5h, and crushing the calcined alumina powder into powder with the granularity of 30 meshes to obtain calcined alumina;
2) adding the calcined alumina into 200ml of hydroxyethyl cellulose aqueous solution with the mass fraction of 10%, and stirring for 10min to obtain alumina suspension;
3) adding 5g of nano ferroferric oxide particles into the alumina suspension obtained in the step 2), continuously stirring for 30min, carrying out vacuum drying, and crushing into powder with the granularity of 30 meshes to obtain the modified alumina.
The preparation method of the tobacco additive comprises the following steps: uniformly mixing propylene glycol, vegetable glycerin, a tobacco extract, leonurine hydrochloride and ferroferric oxide modified alumina to obtain the tobacco additive.
Example 8
The embodiment provides a tobacco additive, which comprises the following raw materials: 4g of propylene glycol, 4g of vegetable glycerin, 2g of tobacco extract and 0.8g of ferroferric oxide modified alumina.
The preparation method of the tobacco extract comprises the following steps: adding 50g of Yunnan tobacco leaves and 50g of Zimbabwe tobacco leaves into 1000ml of ethanol water solution with the mass fraction of 50% for extraction, filtering after the extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 30 ℃, and the leaching time is 7 hours.
The preparation method of the ferroferric oxide modified alumina comprises the following steps:
1) calcining 100g of alumina powder at 550 ℃ for 0.5h, and crushing the calcined alumina powder into powder with the granularity of 30 meshes to obtain calcined alumina;
2) adding the calcined alumina into 200ml of hydroxyethyl cellulose aqueous solution with the mass fraction of 12%, and stirring for 10min to obtain alumina suspension;
3) adding 10g of nano ferroferric oxide particles into the alumina suspension obtained in the step 2), continuously stirring for 30min, carrying out vacuum drying, and crushing into powder with the granularity of 30 meshes to obtain the modified alumina.
The preparation method of the tobacco additive comprises the following steps: and uniformly mixing propylene glycol, vegetable glycerin, a tobacco extract and ferroferric oxide modified alumina to obtain the tobacco additive.
Example 9
The embodiment provides a tobacco additive, which comprises the following raw materials: 12g of propylene glycol, 12g of vegetable glycerin, 2g of tobacco extract and 0.01g of tea polyphenol.
The preparation method of the tobacco extract comprises the following steps: adding 50g of Yunnan tobacco leaves and 50g of Zimbabwe tobacco leaves into 1000ml of ethanol water solution with the mass fraction of 50% for extraction, filtering after the extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 30 ℃, and the leaching time is 7 hours.
The preparation method of the tobacco additive comprises the following steps: and uniformly mixing propylene glycol, vegetable glycerin, a tobacco extract and tea polyphenol to obtain the tobacco additive.
Example 10
The embodiment provides a tobacco additive, which comprises the following raw materials: 12g of propylene glycol, 12g of vegetable glycerol, 2g of tobacco extract, 0.01g of leonurine hydrochloride and 0.1g of ferroferric oxide modified alumina.
The preparation method of the tobacco extract comprises the following steps: adding 50g of Yunnan tobacco leaves and 50g of Zimbabwe tobacco leaves into 1000ml of ethanol water solution with the mass fraction of 50% for extraction, filtering after the extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 30 ℃, and the leaching time is 7 hours.
The preparation method of the ferroferric oxide modified alumina comprises the following steps:
1) calcining 100g of alumina powder at 500 ℃ for 0.5h, and crushing the calcined alumina powder into powder with the granularity of 30 meshes to obtain calcined alumina;
2) adding the calcined alumina into 200ml of hydroxyethyl cellulose aqueous solution with the mass fraction of 10%, and stirring for 10min to obtain alumina suspension;
3) adding 100g of nano ferroferric oxide particles into the alumina suspension obtained in the step 2), continuously stirring for 30min, drying in vacuum, and crushing into powder with the granularity of 30 meshes to obtain the modified alumina.
The preparation method of the tobacco additive comprises the following steps: uniformly mixing propylene glycol, vegetable glycerin, a tobacco extract, leonurine hydrochloride and ferroferric oxide modified alumina to obtain the tobacco additive.
Example 11
The embodiment provides a tobacco additive, which comprises the following raw materials: 12g of propylene glycol, 12g of vegetable glycerol, 2g of tobacco extract, 0.01g of leonurine hydrochloride, 0.1g of alumina powder and nano ferroferric oxide particles (wherein the mass ratio of the nano ferroferric oxide particles to the alumina powder is 1:10, and the alumina powder is calcined at 500 ℃ for 0.5 h).
The preparation method of the tobacco extract comprises the following steps: adding 50g of Yunnan tobacco leaves and 50g of Zimbabwe tobacco leaves into 1000ml of ethanol water solution with the mass fraction of 50% for extraction, filtering after the extraction is finished to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract; the leaching temperature is 30 ℃, and the leaching time is 7 hours.
The preparation method of the tobacco additive comprises the following steps: uniformly mixing propylene glycol, vegetable glycerin, a tobacco extract, leonurine hydrochloride, alumina powder and nano ferroferric oxide particles to obtain the tobacco additive.
Comparative example 1
The comparative example provides a tobacco additive comprising the following raw materials: 12g propylene glycol, 12g vegetable glycerol.
The preparation method of the tobacco additive comprises the following steps: and uniformly mixing propylene glycol and vegetable glycerin to obtain the tobacco additive.
Test example 1
Selecting a certain brand of Yunnan cigarettes (lit cigarettes) as blank cigarettes, extracting laboratory samples according to GB/T5606.1 to prepare 7 blank cigarette samples, wherein one blank cigarette sample is used as a control sample, then respectively and uniformly spraying the tobacco additives obtained in examples 1-5 and comparative example 1 on the tobacco shreds of the rest blank cigarettes according to the addition amount of 1 percent of the weight of the tobacco shreds (one blank cigarette sample is correspondingly sprayed on each additive of the examples or the comparative examples), and carrying out the following steps according to the cigarette
GB5606.4-2005 cigarette sensory quality technical requirement appraises the sensory quality of cigarette, wherein, in each index, the higher the score, the better the sensory quality.
TABLE 1 Effect of tobacco additives on sensory quality of cigarettes
As can be seen from the data in Table 1, the tobacco extract is added on the basis of propylene glycol and vegetable glycerin, and the three components are matched with each other, so that the aroma and the harmony of the cigarette can be remarkably improved, and meanwhile, the smoke irritation is effectively improved. Surprisingly, the addition of the leonurine hydrochloride has certain improvement effect on the aroma, coordination and smoke irritation of cigarettes.
Test example 2
Selecting a certain brand of cigarettes (lit cigarettes) in Yunnan as blank cigarettes, extracting laboratory samples according to GB/T5606.1, preparing 13 blank cigarette samples, taking one blank cigarette sample as a control sample, then uniformly spraying the tobacco additives obtained in examples 1-11 and comparative example 1 on the cut tobacco of the rest blank cigarettes respectively according to the addition amount of 1% of the weight of the cut tobacco (one blank cigarette sample is correspondingly sprayed on the additive of each example or comparative example), and quantitatively analyzing and detecting the release amount of specific N-nitrosonornicotine (NNN) in the smoke of the cigarettes by using a gas chromatography-thermal energy analysis combined instrument (GC-TEA) in the measurement of specific N-nitrosamine of tobacco in tobacco industry standard YC/T184-2004 tobacco and tobacco products.
TABLE 2 application effect of tobacco additives on release of N-nitrosonornicotine specific to tobacco in cigarette smoke (ng/ramus)
| Sample (I) | NNN |
| Control sample | 3.59 |
| Example 1 | 3.50 |
| Example 2 | 3.46 |
| Example 3 | 3.49 |
| Example 4 | 3.21 |
| Example 5 | 3.11 |
| Example 6 | 2.93 |
| Example 7 | 2.55 |
| Example 8 | 3.35 |
| Example 9 | 3.47 |
| Example 10 | 3.05 |
| Example 11 | 3.10 |
| Comparative example 1 | 3.57 |
Test example 3
The tobacco additives obtained in the example 1 and the comparative example 1 are used as one of the additive formulas for the heating non-combustion type cigarette, and are added into the novel cigarette tobacco raw material according to the addition amount accounting for 1% of the weight of the tobacco raw material, and the smoking evaluation result shows that compared with the additive prepared in the comparative example 1, the heating non-combustion type cigarette added with the tobacco additive prepared in the example 1 has the advantages that the smoke fragrance is obviously increased, the irritation is reduced, and the sweet and greasy feeling is obviously reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. The tobacco additive is characterized by comprising the following raw materials in parts by weight: 8-45 parts of propylene glycol and vegetable glycerol, 1-5 parts of tobacco extract and 0.01-0.5 part of leonurine hydrochloride;
the preparation method of the tobacco extract comprises the following steps: adding Yunnan tobacco leaves and Zimbabwe tobacco leaves into 40-60% ethanol water solution for extraction, filtering after extraction to obtain filtrate, concentrating and drying the filtrate to obtain the tobacco extract;
the weight ratio of the Yunnan tobacco leaves to the Zimbabwe tobacco leaves is 1: 0.8-1.2.
2. The tobacco additive of claim 1, further comprising 0.1-1.5 parts of ferroferric oxide modified alumina.
3. The tobacco additive according to claim 2, wherein the preparation method of the ferroferric oxide modified alumina comprises the following steps:
1) calcining the alumina powder at the temperature of 500-600 ℃ to obtain calcined alumina;
2) adding the calcined alumina into a hydroxyethyl cellulose aqueous solution, and stirring to obtain an alumina suspension;
3) adding nano ferroferric oxide particles into the alumina suspension obtained in the step 2), continuously stirring, vacuum drying and crushing to obtain the modified alumina.
4. A tobacco additive according to claim 3, wherein the mass ratio of the nano ferroferric oxide particles to the alumina powder is 1: 10-20.
5. A tobacco additive according to any one of claims 1 to 4 wherein the propylene glycol is present in an amount of 4 to 41 parts.
6. A tobacco additive according to any one of claims 1 to 4 wherein the vegetable glycerin is present in an amount of 4 to 41 parts.
7. Use of the tobacco additive of any one of claims 1 to 6 in a lit cigarette and/or a heated non-lit cigarette.
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