CN113951550A - Preparation method of high-aroma low-nicotine cut tobacco - Google Patents
Preparation method of high-aroma low-nicotine cut tobacco Download PDFInfo
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- CN113951550A CN113951550A CN202111321332.6A CN202111321332A CN113951550A CN 113951550 A CN113951550 A CN 113951550A CN 202111321332 A CN202111321332 A CN 202111321332A CN 113951550 A CN113951550 A CN 113951550A
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- extraction
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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
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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
- A24B15/26—Use of organic solvents for extraction
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention discloses a preparation method of high-aroma low-nicotine cut tobacco, which comprises the following steps: extracting tobacco shreds with nonpolar solvent, low-polar solvent, medium-polar solvent and polar solvent successively, removing solvent from the extractive solutions of nonpolar solvent, low-polar solvent and medium-polar solvent, respectively backfilling to the extracted tobacco shreds, and drying by drying/fluidized drying to obtain tobacco shreds with high fragrance and low nicotine. The method of the invention reduces the nicotine content and ensures the aroma quality of the cut tobacco.
Description
Technical Field
The invention belongs to the field of cigarette processing, and particularly relates to a preparation method of high-aroma low-nicotine tobacco shreds.
Background
With the improvement of health consciousness of people, the cigarette control strength at home and abroad is continuously enhanced, and the development of cigarette products with low nicotine and low harm becomes a trend. Nicotine is an important chemical component affecting the sensory quality of cigarettes, is considered as a key factor of smoking addiction and is also a pathogenic factor of a plurality of diseases related to smoking. The reduction of the content of harmful substances, in particular nicotine, in tobacco and tobacco products is an important direction in tobacco research.
The extraction of nicotine from tobacco shreds is an important method for reducing the content of nicotine. At present, the nicotine extraction method mainly comprises a water extraction method, an organic solvent extraction method, an ultrasonic/microwave auxiliary extraction method, a supercritical CO2 fluid extraction method, an emulsion membrane method, a molecular imprinting method or an ion exchange resin method and the like. However, the extraction of nicotine in the cut tobacco correspondingly reduces the fragrance substances in the cut tobacco, so that the fragrance in the cut tobacco is obviously reduced, and the taste of a smoker is influenced.
The present invention has been made to solve the above problems.
Disclosure of Invention
The invention aims to provide a method for reducing the nicotine content in tobacco shreds without influencing the content of flavor substances in the tobacco shreds. The preparation method has the characteristics of simple steps, small fragrance loss of the cut tobacco, large-scale production and easy popularization. Will be provided with
The purpose of the invention is realized by the following technical scheme.
All percentages used herein are by weight unless otherwise indicated.
The invention relates to a preparation method of high-fragrance low-nicotine cut tobacco, which comprises the following steps: extracting tobacco shreds with nonpolar solvent, low-polar solvent, medium-polar solvent and polar solvent successively, removing solvent from the extractive solutions of nonpolar solvent, low-polar solvent and medium-polar solvent, respectively backfilling to the extracted tobacco shreds, and drying by drying/fluidized drying to obtain tobacco shreds with high fragrance and low nicotine.
Preferably, the preparation method comprises the following specific steps:
extraction with a nonpolar solvent: adding a certain amount of nonpolar solvent into the cut tobacco to extract, wherein the extraction temperature is 50-60 ℃, the extraction time is 70-90min, and the volume ratio of the cut tobacco to the nonpolar solvent is 1: 8-10;
extraction with weak polar solvent: adding a certain amount of low-polarity solvent into the cut tobacco subjected to non-polar solvent extraction for extraction at 60-70 ℃ for 60-80min, wherein the volume ratio of the cut tobacco to the low-polarity solvent is 1: 8-10;
extraction of medium polarity solvent: adding a certain amount of medium-polarity solvent into the cut tobacco subjected to the extraction by the weak-polarity solvent for extraction, wherein the extraction temperature is 50-80 ℃, the extraction time is 40-80min, and the volume ratio of the cut tobacco to the medium-polarity solvent is 1: 8-10;
polar solvent extraction: adding a certain amount of polar solvent into the cut tobacco subjected to extraction by the medium polar solvent for extraction, wherein the extraction temperature is 70-80 ℃, and the extraction time is 40-80 min; the volume ratio of the tobacco shreds to the polar solvent is 1: 8-10;
a backfilling step: removing the solvent from the extracting solutions of the nonpolar solvent, the weak polar solvent and the medium polar solvent, and respectively backfilling the extracting solutions to the cut tobacco;
step of drying shred/fluidized drying: and drying/fluidizing the backfilled cut tobacco to obtain the cut tobacco with high fragrance and low nicotine.
Preferably, the nonpolar solvent of step (r) is petroleum ether or n-hexane.
Preferably, the weakly polar solvent of step (c) is chloroform or ethyl acetate.
Preferably, the medium polar solvent of step (c) is ethanol or acetone.
Preferably, the polar solvent of step (iv) is water.
The invention has the beneficial effects that:
1. according to the preparation method disclosed by the invention, after the tobacco shreds are respectively extracted by the non-polar solvent, the weak polar solvent and the medium polar solvent and backfilled, the aroma components of the tobacco shreds are retained to the greatest extent, so that the serious loss of the aroma components caused by directly extracting nicotine by water is avoided, and the aroma quality of the tobacco shreds is ensured while the nicotine content is reduced.
2. The preparation method of the high-fragrance low-nicotine cut tobacco is reported for the first time. The preparation method has the characteristics of simplicity, large-scale production and easy popularization. The process flow is short, the cost is low, and the process feasibility and the popularization are good.
3. The preparation method of the invention backfills the components extracted by the nonpolar solvent, the weak polar solvent and the medium polar solvent in the tobacco shred into the tobacco shred, and the components are similar to the aroma types and the proportions contained in the original tobacco components, thereby better restoring the original aroma characteristics of the tobacco shred.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit 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 reagents or instruments used are not indicated by the manufacturer, and are all conventional products available by purchase.
Example 1: preparation of high flavor and low nicotine for tobacco shred A
Adding 100g of tobacco shred A into 800g of petroleum ether for extraction at the extraction temperature of 50 ℃ for 70 min;
② adding the tobacco shreds after petroleum ether extraction into 800g chloroform for extraction, the extraction temperature is 60 ℃, the extraction time is 60 min;
③ adding the tobacco shreds after chloroform extraction into 800g of ethanol for extraction, wherein the extraction temperature is 50 ℃, and the extraction time is 40 min;
fourthly, adding the cut tobacco after ethanol extraction into 1000g of water for extraction, wherein the extraction temperature is 70 ℃, and the extraction time is 40 min;
fifthly, removing the solvent from the petroleum ether, chloroform and ethanol extracting solution, and respectively backfilling the solution into the tobacco shreds after water extraction;
sixthly, drying the backfilled cut tobacco in a tobacco shred drying/fluidized drying mode to obtain the cut tobacco A1 with high fragrance and low nicotine.
Example 2: preparing the tobacco shred B with high fragrance and low nicotine.
Adding 100g of tobacco shred B into 1000g of normal hexane for extraction, wherein the extraction temperature is 60 ℃, and the extraction time is 90 min;
adding the cut tobacco subjected to n-hexane extraction into 1000g of ethyl acetate for extraction, wherein the extraction temperature is 70 ℃, and the extraction time is 80 min;
③ adding the cut tobacco after the ethyl acetate extraction into 1000g of acetone for extraction, wherein the extraction temperature is 80 ℃, and the extraction time is 80 min;
fourthly, adding the cut tobacco subjected to acetone solution extraction into 800g of water for extraction, wherein the extraction temperature is 80 ℃, and the extraction time is 80 min;
fifthly, removing the solvent from the n-hexane, ethyl acetate and acetone extracting solution, and respectively backfilling the tobacco shreds until the tobacco shreds are extracted with water;
sixthly, drying the backfilled cut tobacco in a tobacco shred drying/fluidized drying mode to obtain the cut tobacco B1 with high fragrance and low nicotine.
Comparative example 1: nicotine extraction from tobacco shred A
As in example 1, there was no petroleum ether, chloroform and ethanol extraction step, and no backfill step; the extraction procedure was carried out with only 1000g of water, the extraction temperature and the extraction time being the same as in example 1. Cut tobacco A2 was obtained.
The results of the analysis of the nicotine content in cut tobacco a, cut tobacco a1 and cut tobacco a2 are shown in the following table:
| tobacco shred A | Shredded tobacco A1 | Shredded tobacco A2 | |
| Nicotine content (mg/g tobacco shred) | 14.74 | 2.72 | 1.68 |
As can be seen from the data in the above table, the nicotine content in both cut tobacco a1 and cut tobacco a2 was significantly reduced compared to the nicotine content in the original cut tobacco a that had not been subjected to nicotine extraction, but was slightly higher due to the backfill step of cut tobacco a 1. The tobacco shred A is original tobacco shred without nicotine extraction.
The tobacco shred A, the tobacco shred A1 and the tobacco shred A2 are respectively rolled into cigarettes for evaluation, and the results are shown in the following table:
| sample (I) | Sensory evaluation |
| Tobacco shred A | Full fragrance, rich fragrance, slightly coarse fragrance texture, strong strength, moderate feeling and slightly large stimulation to the throat. |
| Shredded tobacco A1 | Full aroma, rich fragrance, fine and smooth aroma texture, extremely strong and weak fragrance, and comfortable smoke flowing down the throat. |
| Shredded tobacco A2 | Weak fragrance, single tone, weak strength and extremely weak head, and comfortable smoke flowing down the throat. |
According to the results, the tobacco shred A1 smoking result is optimal, and the overall result is superior to the tobacco shred A smoking result; cut tobacco a2 gave the worst results on the smoke panel. The result shows that only water extraction is adopted, so that most of aroma substances in the tobacco shreds are extracted, and more aroma substances are lost, although the content of nicotine in the tobacco shreds is reduced; weak fragrance and single vowel.
Comparative example 2: nicotine extraction from tobacco shred B
As in example 1, there were no n-hexane, ethyl acetate, and acetone extraction steps, and no backfill step; the extraction procedure was carried out with only 800g of water, the extraction temperature and the extraction time being the same as in example 2. Cut tobacco B2 was obtained.
Cut filler B1 was obtained in example 2, and cut filler B2 and original cut filler B were obtained in comparative example 2, and their nicotine contents and smoking evaluation results were similar to those of example 1 and comparative example 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A preparation method of high-fragrance low-nicotine cut tobacco is characterized by comprising the following steps: extracting tobacco shreds with nonpolar solvent, low-polar solvent, medium-polar solvent and polar solvent successively, removing solvent from the extractive solutions of nonpolar solvent, low-polar solvent and medium-polar solvent, respectively backfilling to the extracted tobacco shreds, and drying by drying/fluidized drying to obtain tobacco shreds with high fragrance and low nicotine.
2. The preparation method according to claim 1, comprising the following steps:
extraction with a nonpolar solvent: adding a certain amount of nonpolar solvent into the cut tobacco to extract, wherein the extraction temperature is 50-60 ℃, the extraction time is 70-90min, and the volume ratio of the cut tobacco to the nonpolar solvent is 1: 8-10;
extraction with weak polar solvent: adding a certain amount of low-polarity solvent into the cut tobacco subjected to non-polar solvent extraction for extraction at 60-70 ℃ for 60-80min, wherein the volume ratio of the cut tobacco to the low-polarity solvent is 1: 8-10;
extraction of medium polarity solvent: adding a certain amount of medium-polarity solvent into the cut tobacco subjected to the extraction by the weak-polarity solvent for extraction, wherein the extraction temperature is 50-80 ℃, the extraction time is 40-80min, and the volume ratio of the cut tobacco to the medium-polarity solvent is 1: 8-10;
polar solvent extraction: adding a certain amount of polar solvent into the cut tobacco subjected to extraction by the medium polar solvent for extraction, wherein the extraction temperature is 70-80 ℃, and the extraction time is 40-80 min; the volume ratio of the tobacco shreds to the polar solvent is 1: 8-10;
a backfilling step: removing the solvent from the extracting solutions of the nonpolar solvent, the weak polar solvent and the medium polar solvent, and respectively backfilling the extracting solutions to the cut tobacco;
step of drying shred/fluidized drying: and drying/fluidizing the backfilled cut tobacco to obtain the cut tobacco with high fragrance and low nicotine.
3. The process according to claim 2, wherein the nonpolar solvent used in step (i) is petroleum ether or n-hexane.
4. The method according to claim 2, wherein the less polar solvent of step (ii) is chloroform or ethyl acetate.
5. The method according to claim 2, wherein the medium polar solvent of step (c) is ethanol or acetone.
6. The method according to claim 2, wherein the polar solvent of step (iv) is water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111321332.6A CN113951550A (en) | 2021-11-09 | 2021-11-09 | Preparation method of high-aroma low-nicotine cut tobacco |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111321332.6A CN113951550A (en) | 2021-11-09 | 2021-11-09 | Preparation method of high-aroma low-nicotine cut tobacco |
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| CN113951550A true CN113951550A (en) | 2022-01-21 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB959190A (en) * | 1960-06-20 | 1964-05-27 | Imp Tobacco Co Ltd | Process of treating and improving tobacco |
| CN1134799A (en) * | 1995-05-03 | 1996-11-06 | 王国寰 | Prodn. method and products of cigarette by using waste tobacco leaves and stalk as raw material |
| CN101288504A (en) * | 2008-03-27 | 2008-10-22 | 河北农业大学 | Method for reducing nicotine in tobacco |
| CN102907760A (en) * | 2012-09-03 | 2013-02-06 | 上海聚华科技股份有限公司 | Method for regulating chemical components of tobacco material |
| CN105451580A (en) * | 2013-08-27 | 2016-03-30 | 日本烟草产业株式会社 | Tobacco raw material, method for manufacturing same, and tobacco product |
| CN111991838A (en) * | 2020-08-24 | 2020-11-27 | 河北中烟工业有限责任公司 | Method for extracting tobacco-derived spice and application thereof |
-
2021
- 2021-11-09 CN CN202111321332.6A patent/CN113951550A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB959190A (en) * | 1960-06-20 | 1964-05-27 | Imp Tobacco Co Ltd | Process of treating and improving tobacco |
| CN1134799A (en) * | 1995-05-03 | 1996-11-06 | 王国寰 | Prodn. method and products of cigarette by using waste tobacco leaves and stalk as raw material |
| CN101288504A (en) * | 2008-03-27 | 2008-10-22 | 河北农业大学 | Method for reducing nicotine in tobacco |
| CN102907760A (en) * | 2012-09-03 | 2013-02-06 | 上海聚华科技股份有限公司 | Method for regulating chemical components of tobacco material |
| CN105451580A (en) * | 2013-08-27 | 2016-03-30 | 日本烟草产业株式会社 | Tobacco raw material, method for manufacturing same, and tobacco product |
| CN111991838A (en) * | 2020-08-24 | 2020-11-27 | 河北中烟工业有限责任公司 | Method for extracting tobacco-derived spice and application thereof |
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Application publication date: 20220121 |