CN114868956A - Tobacco colorant, preparation method thereof and cigarette - Google Patents
Tobacco colorant, preparation method thereof and cigarette Download PDFInfo
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- CN114868956A CN114868956A CN202210507386.XA CN202210507386A CN114868956A CN 114868956 A CN114868956 A CN 114868956A CN 202210507386 A CN202210507386 A CN 202210507386A CN 114868956 A CN114868956 A CN 114868956A
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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
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Abstract
The invention relates to the technical field of additives, in particular to a tobacco colorant, a preparation method thereof and a cigarette. The preparation method of the tobacco colorant comprises the following steps: heating and melting the white granulated sugar until the white granulated sugar is completely melted and the color of the white granulated sugar is changed into brown, thereby obtaining an anhydrous caramelized product; slowly adding tobacco extract and propylene glycol to the anhydrous caramelized product under the same heating conditions to obtain tobacco colorant. The method adopts a common method to prepare the caramel, does not generate harmful components such as 4-methylimidazole and the like in the production, and is safer than the method for preparing the caramel pigment by an ammonia method. The tobacco extract is added under the heating condition in the preparation process, so that the intersolubility of the caramelized product and the propylene glycol can be promoted, the coloring agent can still keep a darker color after dilution, and the flavoring effect can be achieved; therefore, the finally prepared tobacco colorant can improve the color and luster, improve the aroma quality of tobacco products and reduce the wood gas. The method is convenient for realizing industrial production and application.
Description
Technical Field
The invention relates to the technical field of additives, in particular to a tobacco colorant, a preparation method thereof and a cigarette.
Background
Caramel color is a tan product of various sugars produced under high temperature conditions, either alone or in reaction with certain additives. The method is widely applied to food industry such as food, beverage, brewing and the like, and not only can enable the food to present bright and beautiful color and attractive fragrance, but also can cover some unpleasant odor.
According to different production raw materials, caramel pigments are mainly divided into four types: plain caramel, caustic ammonium sulfite caramel, ammonia caramel, ammonium sulfite caramel. The common caramel pigment is a dark brown substance prepared by caramelization reaction of saccharides at high temperature, and the product does not contain 4-methylimidazole, so that the method is a relatively safe caramel pigment production method and is mainly used as a coloring agent for alcoholic beverages. Caustic sulfite caramel color is a product of a reaction of sugars with sulfite under high temperature conditions, and is mainly used as a flavor. The ammonia caramel pigment is a dark brown substance formed by Maillard reaction and caramelization reaction of carbohydrate and ammonia compounds under high temperature condition, and is widely used in brewing industry (soy sauce, vinegar, etc.) due to the advantages of high color ratio, strong colorability and low production cost. The ammonium sulfite caramel is a black brown substance formed by saccharides and ammonium sulfite under the condition of high temperature, also contains 4-methylimidazole, and is widely used in the production of cola, soft drinks and fermented wine. The content of 4-methylimidazole in caramel pigment is not more than 0.02% as specified in national standard GB 1886.64-2015.
As the coloring agent for cigarette tobacco, because the tobacco peduncle itself has a certain yellow brown color, the coloring agent used for coloring the tobacco peduncle needs to have a darker color to achieve the desired coloring effect, and therefore ammonia caramel or ammonium sulfite caramel is generally used. However, as mentioned above, it contains 4-methylimidazole, which presents a potential health threat. Therefore, how to provide a tobacco colorant with good coloring effect and safety becomes a technical problem to be solved in the field.
Disclosure of Invention
In order to solve or partially solve the problems in the related art, the invention provides a tobacco colorant, a preparation method thereof and a cigarette.
First, the present invention provides a method for preparing a tobacco colorant, comprising:
step a), heating and melting the white granulated sugar until the white granulated sugar is completely melted and the color of the white granulated sugar is changed into brown, so as to obtain an anhydrous caramelized product;
step b), slowly adding tobacco extract and propylene glycol into the anhydrous caramelized product under the same heating condition, and then obtaining the tobacco colorant.
Further, the heating temperature of the step a and the step b is 160-220 ℃.
Further, the tobacco extract is an extract of waste tobacco powder of flue-cured tobacco.
Further, the tobacco extract is prepared according to the following method:
mixing waste tobacco powder of flue-cured tobacco and water according to the mass ratio of 1 (8-12), and leaching under the reflux condition; and after the leaching is finished, filtering to remove filter residues to obtain the product.
Further, the tobacco extract has a refractive index of 1.3403 + -0.0080 at 20 deg.C; the density of the tobacco extract at 20 ℃ is 1.0170 +/-0.0080 g/mL.
Further, the mass ratio of the white granulated sugar to the tobacco extract to the propylene glycol is (40-60): (10-30): (10-45).
Further, the heating time of the step b is 15 min-30 min.
In another aspect, the present invention also provides a tobacco colourant prepared according to any of the above processes.
In yet another aspect, the present invention also provides a cigarette comprising the tobacco colorant described above.
Further, the cigarette is a flue-cured cigarette, a blended cigarette or a spice cigarette.
The tobacco colorant and the preparation method thereof provided by the invention have the following beneficial effects:
1. the method adopts a common method to prepare the caramel, does not generate harmful components such as 4-methylimidazole and the like in the production, and is safer than the method for preparing the caramel pigment by an ammonia method.
2. The tobacco extract is added in the preparation process under the heating condition, which not only can promote the mutual solubility of the caramelized product and the propylene glycol, but also can keep the coloring agent in a darker color after being diluted, and can play a role in enhancing the fragrance; therefore, the finally prepared tobacco colorant can improve the color and luster, has strong scorched and sweet smell, increases the scorched and sweet smell, and can improve the fragrance quality of tobacco products and reduce the wood smell.
3. The method has the advantages of easily available raw materials, low cost, simple process, and convenient realization of industrial production and application.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 is a chromatogram fingerprint of tobacco colorant prepared in example 1 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first", "second", "third", etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The embodiment of the invention provides a preparation method of a tobacco colorant, and the colorant prepared by the method has an excellent coloring effect on tobacco, and is safe and non-toxic. Specifically, the method comprises the following steps:
step a), heating and melting the white granulated sugar until the white granulated sugar is completely melted and the color of the white granulated sugar is changed into brown, so as to obtain an anhydrous caramelized product;
step b), slowly adding tobacco extract and propylene glycol to the anhydrous caramelized product under the same heating condition, and then obtaining the tobacco colorant.
The step a is a procedure of preparing anhydrous caramelized product, and the anhydrous caramelized product is prepared by heating white granulated sugar serving as a raw material under anhydrous condition. Compared with the glycogen such as glucose, maltose, fructose and the like which are commonly used, the white granulated sugar is adopted as the raw material in the invention because: first, the caramelized product is darker in color, approaching that of glucose, and darker than that of maltose and fructose. Secondly, by controlling the reasonable heating temperature, the taste of the caramelized product is better; finally, the raw materials are easy to obtain, and the cost is lower.
In addition, the white granulated sugar is directly heated without adding water in the step, the water content in the whole colorant system is controlled, the water content has an influence on the color shade of the colorant, the caramelization reaction is fast, the reaction is finished without completely evaporating the added water, the excessive water in the system is easy to cause, and the color of the colorant is light. Therefore, in order to increase the color depth of the colorant, the embodiment of the present invention does not add water in the caramelization reaction to control the amount of water used in the entire system. In the caramelization reaction, it is preferable to heat white sugar and stir the white sugar at the same time in order to heat the white sugar more uniformly.
The heating temperature in this step is preferably 160 ℃ to 220 ℃, the caramelized product is light in color when the temperature is too low, and the caramelized product becomes dark in color when the temperature is too high, but unpleasant bitter taste of the caramelized product is generated. Further, the heating temperature is controlled to be 170-200 ℃; most preferably, the heating temperature is 180 ℃ at which the caramelised product is obtained with optimal mouthfeel and colour.
And (b) the caramelized product obtained according to the step (a) is viscous and cannot be directly applied to coloring of tobacco shreds and tobacco stems, and if the caramelized product is directly diluted by using solvents such as water or propylene glycol to reach the concentration capable of being sprayed on the tobacco shreds and the tobacco stems, the caramelized product is light in color and has an unobvious coloring effect. For this purpose, the invention uses a step b for the post-treatment, in which tobacco extract and propylene glycol are added to the anhydrous caramelised product obtained in step a and kept under the same heating conditions for a certain period of time, thus obtaining the tobacco colourant. In order to prevent local reaction from being violent and uneven due to one-time addition, the tobacco extract and the propylene glycol need to be slowly added in the step.
In the step, the propylene glycol is added as a diluent, and the propylene glycol has stable performance and is not easy to volatilize, so that the effect of the diluent can be still effectively exerted under the heating condition. The effect of adding the tobacco extract is that: the tobacco extract is an aqueous extract of tobacco, which contains water, the caramel product is easily dissolved in water, and is easily dissolved in propylene glycol after being dissolved in water, so that the effect of promoting mutual solubility can be achieved; meanwhile, because the tobacco extract is dark brown, the original color can be maintained while the viscosity is reduced; in addition, the tobacco extract contains the aroma components of tobacco, and therefore, a certain flavoring function is imparted to the colorant.
In this step, the addition of the tobacco extract and propylene glycol to the anhydrous caramelized product is carried out under heating conditions and has the following effects: firstly, the saccharides contained in the tobacco extract can be subjected to caramelization reaction at the temperature, so that more caramelized products are generated to improve the color depth of the colorant; secondly, reducing sugar and amino acid in the tobacco extract can generate Maillard reaction, and the Maillard reaction can generate more flavor components, so that the flavor enhancing function of the colorant is improved; finally, the heating process can remove excess water in the system. The heating temperature in this step is the same as that in step a. The heating time is preferably 15min to 30 min.
The tobacco extract obtained in the above step is preferably the extract of waste tobacco powder of flue-cured tobacco. A certain amount of waste tobacco powder can be generated in the cigarette processing process, and the existing treatment mode of the waste tobacco powder is mainly to treat the waste tobacco powder as waste after the waste tobacco powder is collected by a dust removal system and pressed into a rod. The tobacco waste is precious biological resources and contains rich tobacco flavor substances and other bioactive substances, so the tobacco waste extract adopted in the step can realize the recycling of the tobacco resources and reduce the production cost.
Specifically, the preparation method of the extract of the waste tobacco powder of the flue-cured tobacco comprises the following steps:
mixing waste tobacco powder of flue-cured tobacco and water according to the mass ratio of 1 (8-12), and leaching under the reflux condition; and after the leaching is finished, filtering to remove filter residues to obtain the product.
In the preparation process, firstly, the mixture ratio of water to the waste tobacco powder is controlled to be (8-12): 1, on one hand, the leaching effect can be improved, and on the other hand, the proper water content is ensured to exert the dissolution promoting effect. After the extraction is finished, the step of concentrating and removing water is not carried out, and the extract is directly filtered, so that the water content in the extract is improved, and the intersolubility of caramel and propylene glycol is better exerted. The final moisture content in the system can be controlled in the subsequent heating step. The mixing ratio of the waste tobacco powder of the flue-cured tobacco and the water is more preferably 1: 10. The above tobacco extract preferably has the following physical indexes: it has a refractive index of 1.3403 + -0.0080 at 20 deg.C; the density at 20 ℃ was 1.0170. + -. 0.0080 g/mL. The tobacco extract has appropriate color condition and moisture content.
Heating the tobacco extract and propylene glycol under the same heating condition according to the step b to obtain the tobacco colorant. The mass ratio of the white granulated sugar to the tobacco extract to the propylene glycol is preferably (40-60): (10-30): (10-45). More preferably, the mass ratio of the white granulated sugar to the tobacco extract to the propylene glycol is (45-58): (15-29): (13-40), and most preferably, the mass ratio of the white granulated sugar to the tobacco extract to the propylene glycol is 58:29: 13.
Accordingly, another embodiment of the present invention also provides a tobacco colorant prepared by the above method.
From the above, the tobacco colorant and the preparation method thereof provided by the embodiment of the invention have the following advantages:
1. the method adopts a common method to prepare the caramel, does not generate harmful components such as 4-methylimidazole and the like in the production, and is safer than the method for preparing the caramel pigment by an ammonia method.
2. The tobacco extract is added in the preparation process under the heating condition, which not only can promote the mutual solubility of the caramelized product and the propylene glycol, but also can keep the coloring agent in a darker color after being diluted, and can play a role in enhancing the fragrance; therefore, the finally prepared tobacco colorant can improve the color and luster, has strong scorched and sweet smell, increases the scorched and sweet smell, and can improve the fragrance quality of tobacco products and reduce the wood smell.
3. The method has the advantages of easily available raw materials, low cost, simple process, and convenient realization of industrial production and application.
The invention also provides a cigarette which comprises the tobacco colorant. The cigarette is preferably a flue-cured type cigarette, a blended type cigarette or a flavor type cigarette. When in preparation, the tobacco colorant can be added on the surface of the cut stems according to 0.5 to 1.2 percent of the use amount of the cut stems. The cigarette has the same technical effect because of containing the tobacco colorant, and thus, the description is omitted.
The technical solution of the present invention is further illustrated by the following specific examples.
The tobacco extracts in the following examples are all prepared from waste tobacco powder generated in a production workshop of a certain brand of flue-cured tobacco cigarettes of tobacco industry Limited liability company in Hebei by extracting according to the following method: mixing the waste tobacco powder and water according to the mass ratio of 1:10, and leaching for 3 hours under the reflux condition. And after extraction is finished, filtering to remove filter residues to obtain the product. The physical indexes are as follows: a refractive index of 1.3403 + -0.0080 at 20 deg.C; the density of the tobacco extract at 20 ℃ is 1.0170 +/-0.0080 g/mL.
Example 1
Heating 45 parts by weight of white granulated sugar at 180 ℃, completely melting, slowly adding 15 parts by weight of tobacco extract and 40 parts by weight of propylene glycol after the solution becomes tan, continuously heating for 20min under the condition, and cooling after the reaction is finished to obtain the tobacco colorant with the number of A.
About 1.0g (accurate to 0.1mg) of the colorant sample A is weighed into a 25mL triangular flask with a plug, 5.0mL 95% ethanol is added, shaking extraction is carried out for 20min at the rotating speed of 120r/min, after standing, the supernatant is filtered by a 0.45 mu m micropore organic phase filter membrane, and the filtrate is subjected to GC/MS analysis. Qualitative analysis was performed using NIST spectral library search, and the resulting chromatogram fingerprint was shown in FIG. 1.
The results show that the sample contains furfural, 2-methyl furoate, 2, 3-dihydro-3, 5-dihydroxy-6-methyl-4 (H) -pyran-4-one, 5-hydroxymethylfurfural and nicotine. No 4-methylimidazole was detected.
Example 2:
heating 52 parts by weight of white granulated sugar at 180 ℃, completely melting, slowly adding 21 parts by weight of tobacco extract and 27 parts by weight of propylene glycol after the solution becomes tan, continuously heating for 20min under the condition, and cooling after the reaction is finished to obtain the tobacco colorant with the number of B. GC/MS analysis was carried out on sample B in the same manner as in example 1. Qualitative analysis was performed using NIST spectral library search, and no 4-methylimidazole was detected.
Example 3:
heating 58 parts by weight of white granulated sugar at 180 ℃, completely melting, slowly adding 29 parts by weight of tobacco extract and 13 parts by weight of propylene glycol after the solution becomes tan, continuously heating for 20min under the condition, and cooling after the reaction is finished to obtain the tobacco colorant with the number of C. GC/MS analysis was carried out on sample C in the same manner as in example 1. Qualitative analysis was performed using NIST spectral library search, and no 4-methylimidazole was detected.
Example 4:
the colorant samples A to C prepared in examples 1 to 3 were respectively diluted to 0.1g/mL with 70% ethanol and added to blank cigarettes in an amount of 1.0% per mill of the mass of tobacco shreds (about 0.6g of tobacco shreds). The results show that: compared with a blank cigarette, the cigarette added with the colorant sample increases the burnt sweet note, inhibits spicy irritation, covers miscellaneous gas and obviously improves the comfort of cigarette smoking. Sample C had a distinct scorched sweet note compared to colorant sample A, B.
Example 5:
the colorant samples a to C prepared in examples 1 to 3 were added in an amount of 1% of the cut rolled stems. The result shows that the coloring agent not only can obviously improve the color of the cut stems, but also can obviously improve the fragrance of the cut stems, cover up the wood gas and improve the mouthfeel. Sample C was more effective in improving the cut rolled stem color than colorant sample A, B.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A method of preparing a tobacco colorant, comprising:
step a), heating and melting the white granulated sugar until the white granulated sugar is completely melted and the color of the white granulated sugar is changed into brown, so as to obtain an anhydrous caramelized product;
step b), slowly adding tobacco extract and propylene glycol to the anhydrous caramelized product under the same heating condition, and then obtaining the tobacco colorant.
2. A method of preparing a tobacco colourant according to claim 1 wherein the heating temperature of steps a and b is 160 ℃ to 220 ℃.
3. The method of claim 1, wherein the tobacco extract is an extract from waste tobacco dust from flue-cured tobacco.
4. A method of preparing a tobacco colorant as claimed in claim 3, wherein the tobacco extract is prepared by the following method:
mixing waste tobacco powder of flue-cured tobacco and water according to the mass ratio of 1 (8-12), and leaching under the reflux condition; and after the leaching is finished, filtering to remove filter residues to obtain the product.
5. The method of preparing a tobacco colorant according to claim 4, wherein the tobacco extract has a refractive index of 1.3403 ± 0.0080 at 20 ℃; the density of the tobacco extract at 20 ℃ is 1.0170 +/-0.0080 g/mL.
6. The preparation method of the tobacco colorant according to claim 1, wherein the mass ratio of the white granulated sugar to the tobacco extract to the propylene glycol is (40-60): (10-30): (10-45).
7. The method for preparing tobacco colorant according to claim 1, wherein the heating time in step b is 15 to 30 min.
8. A tobacco colourant, characterized in that it is prepared according to the process of any one of claims 1 to 7.
9. A cigarette comprising the tobacco colorant of claim 8.
10. The cigarette of claim 9, wherein the cigarette is a flue-cured, blended or flavored cigarette.
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| CN114868956B (en) | 2023-06-23 |
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