Treatment method for heating cigarette tobacco leaves

Abstract

The invention provides a treatment method for heating cigarette tobacco leaves, which comprises the following steps: a) grinding tobacco leaves into powder, and mixing the powder with an aqueous solution containing glucose and amino acid to obtain a mixture; b) drying the mixture obtained in the step a) to obtain air-dried powder; and c) reacting the air-dried powder obtained in the step b), then adding essence, sodium alginate, fibers, glycerol and water, thickening and rolling to obtain the tobacco sheet. Compared with the prior art, the treatment method provided by the invention has the advantages that specific process steps are adopted for specific raw materials, overall better interaction is realized, and compared with untreated products, the obtained products are richer in tobacco fragrance, higher in smoke concentration and stronger in consumer satisfaction.

Description

Technical Field

[0001] The invention relates to the technical field of novel tobacco preparation, and more specifically to a method for processing heated cigarette tobacco leaves. Background Art

[0002] Heated cigarettes are a new type of tobacco product. Their operating temperature is between 250℃ and 350℃. The tobacco in the "cartridge" is heated by a special heating source of the device, thereby volatilizing nicotine and flavor substances in the tobacco, generating smoke to meet the needs of smokers.

[0003] However, this low-temperature heating method makes heated cigarettes less fragrant, with lower smoke concentration and less consumer satisfaction than traditional cigarettes. Therefore, how to improve the richness of heated cigarettes, increase smoke concentration and enhance consumer satisfaction is one of the key technical issues that technicians in this field need to solve urgently. Summary of the invention

[0004] In view of this, the purpose of the present invention is to provide a method for processing heated cigarette tobacco leaves, by adding glucose and amino acids to the tobacco leaf raw materials for reaction, to achieve the technical effects of richer tobacco flavor, higher smoke concentration and stronger consumer satisfaction.

[0005] The present invention provides a method for heating tobacco leaves of cigarettes, comprising the following steps:

[0006] a) grinding tobacco leaves into powder and mixing it with an aqueous solution containing glucose and amino acids to obtain a mixture;

[0007] b) drying the mixture obtained in step a) to obtain an air-dried powder;

[0008] c) reacting the air-dried powder obtained in step b), adding flavor, sodium alginate, fiber, glycerin and water, and obtaining tobacco sheets by thickening and rolling.

[0009] Preferably, the particle size of the ground powder in step a) is 40 mesh to 90 mesh.

[0010] Preferably, the amino acid in step a) is selected from one or more of proline, glycine and glutamic acid.

[0011] Preferably, the amino acid is proline.

[0012] Preferably, in the aqueous solution containing glucose and amino acids in step a), the content of glucose is 1wt% to 6wt%, and the content of amino acids is 1wt% to 6wt%.

[0013] Preferably, in step a), the mass ratio of the tobacco leaves to the aqueous solution containing glucose and amino acids is 100:(10-50).

[0014] Preferably, the drying process in step b) is specifically as follows:

[0015] The mixture is stirred evenly, dried at room temperature, and stirred every 1 to 5 hours until completely dried to obtain dried powder.

[0016] Preferably, the reaction temperature in step c) is 100°C to 160°C.

[0017] Preferably, the reaction time in step c) is 1 h to 5 h.

[0018] Preferably, in step c), the amount of the flavor added is 1wt% to 3wt%; the amount of the sodium alginate added is 2.5wt% to 3.5wt%; the amount of the fiber added is 1wt% to 2wt%; the amount of the glycerol added is 20wt% to 30wt%; and the amount of water added is 20wt% to 30wt%.

[0019] The present invention provides a method for processing tobacco leaves for heating cigarettes, comprising the following steps: a) grinding tobacco leaves into powder and mixing with an aqueous solution containing glucose and amino acids to obtain a mixture; b) drying the mixture obtained in step a) to obtain air-dried powder; c) reacting the air-dried powder obtained in step b), adding flavor, sodium alginate, fiber, glycerin and water, and obtaining tobacco flakes through thick slurry and rolling. Compared with the prior art, the processing method provided by the present invention targets specific raw materials, adopts specific process steps, and achieves better overall interaction. Compared with the untreated product, the obtained product has richer tobacco aroma, higher smoke concentration, and stronger consumer satisfaction.

[0020] At the same time, the processing method provided by the present invention is simple to operate, has mild conditions and is easy to control, can be applied on a large scale in the preparation of new tobacco, and has broad application prospects. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] The present invention provides a method for heating tobacco leaves of cigarettes, comprising the following steps:

[0023] a) grinding tobacco leaves into powder and mixing it with an aqueous solution containing glucose and amino acids to obtain a mixture;

[0024] b) drying the mixture obtained in step a) to obtain an air-dried powder;

[0025] c) reacting the air-dried powder obtained in step b), adding flavor, sodium alginate, fiber, glycerin and water, and obtaining tobacco sheets by thickening and rolling.

[0026] The invention provides a tobacco leaf processing method suitable for heating cigarettes. Firstly, the tobacco leaf is ground into powder and then mixed with an aqueous solution containing glucose and amino acids to obtain a mixture.

[0027] The present invention has no particular limitation on the type and source of the tobacco leaves, and flue-cured tobacco leaves from commercial sources well known to those skilled in the art may be used.

[0028] In the present invention, the particle size of the ground powder is preferably 40 mesh to 90 mesh, more preferably 50 mesh to 80 mesh.

[0029] In the present invention, the amino acid is preferably selected from one or more of proline, glycine, and glutamic acid, more preferably proline.

[0030] The present invention has no particular limitation on the sources of the amino acids and glucose, and commercially available products known to those skilled in the art may be used.

[0031] In the present invention, in the aqueous solution containing glucose and amino acids, the content of glucose is preferably 1wt% to 6wt%, more preferably 2wt% to 5wt%; the content of amino acids is preferably 1wt% to 6wt%, more preferably 2wt% to 4wt%.

[0032] In the present invention, the mass ratio of the tobacco leaf to the aqueous solution containing glucose and amino acids is preferably 100:(10-50), and more preferably 100:(20-40).

[0033] After obtaining the mixture, the present invention dries the mixture to obtain air-dried powder.

[0034] In the present invention, the drying process is preferably specifically as follows:

[0035] The mixture is stirred evenly, dried at room temperature, and stirred every 1 to 5 hours until completely dried to obtain a dried powder;

[0036] More preferably:

[0037] The mixture is stirred evenly, dried at room temperature, and stirred every 2 to 4 hours until completely dried to obtain dried powder.

[0038] After obtaining the air-dried powder, the present invention reacts the obtained air-dried powder, then adds flavor, sodium alginate, fiber, glycerin and water, and obtains tobacco flakes through thick slurry and roller pressing.

[0039] In the present invention, the reaction temperature is preferably 100°C to 160°C, more preferably 100°C to 150°C, and the reaction time is preferably 1h to 5h, more preferably 2h to 4h; the reaction process is preferably carried out in a closed flask, and stirring is preferably provided, and the stirring speed is preferably 10rpm to 30rpm.

[0040] In the present invention, the added amount of the flavor is preferably 1wt% to 3wt%; the added amount of the sodium alginate is preferably 2.5wt% to 3.5wt%; the added amount of the fiber is preferably 1wt% to 2wt%; the added amount of the glycerol is preferably 20wt% to 30wt%; and the added amount of the water is preferably 20wt% to 30wt%.

[0041] The present invention has no special restrictions on the sources of the flavor, sodium alginate, fiber and glycerin, and commercially available products known to those skilled in the art can be used; the water is preferably deionized water.

[0042] The present invention has no special limitation on the thick slurry and rolling process, and conventional thick slurry method and rolling method well known to those skilled in the art can be used to obtain tobacco sheets.

[0043] The present invention performs the above-mentioned special treatment on tobacco raw materials, adds glucose and amino acids to the tobacco raw materials for heating reaction, and makes the tobacco powder after the reaction into heated cigarette sheets. The product can not only release more aroma substances during the heating process, but also the reaction of glucose and amino acids can produce more aroma components with rich tobacco aroma, thereby improving the richness of the heated cigarette aroma, increasing the smoke concentration, and enhancing the consumer satisfaction.

[0044] The present invention provides a method for processing tobacco leaves for heating cigarettes, comprising the following steps: a) grinding tobacco leaves into powder and mixing with an aqueous solution containing glucose and amino acids to obtain a mixture; b) drying the mixture obtained in step a) to obtain air-dried powder; c) reacting the air-dried powder obtained in step b), adding flavor, sodium alginate, fiber, glycerin and water, and obtaining tobacco flakes through thick slurry and rolling. Compared with the prior art, the processing method provided by the present invention targets specific raw materials, adopts specific process steps, and achieves better overall interaction. Compared with the untreated product, the obtained product has richer tobacco aroma, higher smoke concentration, and stronger consumer satisfaction.

[0045] At the same time, the processing method provided by the present invention is simple to operate, has mild conditions and is easy to control, can be applied on a large scale in the preparation of new tobacco, and has broad application prospects.

[0046] In order to further illustrate the present invention, the following examples are used to provide a detailed description. The raw materials used in the following examples of the present invention are all commercially available products; among them, the flavor used is the original flavor of heated cigarettes, provided by Wuhan Huanghelou Flavors and Fragrances Co., Ltd., and the fiber used is plant fiber, provided by Wuhan Xinye Tobacco Sheet Development Co., Ltd.

[0047] Example 1

[0048] (1) taking 50 g of flue-cured tobacco leaves, grinding them into 50 mesh particles, adding 20% ​​by weight of an aqueous solution containing 2% glucose and 2% proline to obtain a mixture;

[0049] (2) stirring the mixture obtained in step (1) uniformly, drying at room temperature, and stirring once every 2 hours to obtain a dried powder;

[0050] (3) The dried powder obtained in step (2) is reacted at 100° C. for 2 h (sealed flask, stirring at 20 rpm), and then 1% flavor, 2.5% sodium alginate, 1% fiber, 20% glycerol and 20% water are added, and tobacco sheets are prepared by roller pressing and thick slurry method.

[0051] Example 2

[0052] (1) taking 50 g of flue-cured tobacco leaves, grinding them into 60-mesh particles, adding 30% by weight of an aqueous solution containing 2.5% glucose and 2.5% proline to obtain a mixture;

[0053] (2) stirring the mixture obtained in step (1) uniformly, drying at room temperature, and stirring once every 2 hours to obtain a dried powder;

[0054] (3) The dried powder obtained in step (2) is reacted at 120° C. for 2 h (sealed flask, stirring at 20 rpm), and then 3% of flavor, 3.5% of sodium alginate, 2% of fiber, 25% of glycerol and 30% of water are added, and tobacco sheets are prepared by roller pressing and thick slurry method.

[0055] Example 3

[0056] (1) taking 50 g of flue-cured tobacco leaves, grinding them into 80-mesh particles, adding 40% by weight of an aqueous solution containing 5% glucose and 2% proline to obtain a mixture;

[0057] (2) stirring the mixture obtained in step (1) uniformly, drying at room temperature, and stirring once every 4 hours to obtain a dried powder;

[0058] (3) The dried powder obtained in step (2) is reacted at 150° C. for 4 h (sealed flask, stirring at 20 rpm), and then 1% flavor, 3.5% sodium alginate, 2% fiber, 20% glycerol and 30% water are added, and tobacco sheets are prepared by roller pressing and thick slurry method.

[0059] Example 4

[0060] (1) taking 50 g of flue-cured tobacco leaves, grinding them into 60-mesh particles, adding 30% by weight of an aqueous solution containing 4% glucose and 4% proline to obtain a mixture;

[0061] (2) stirring the mixture obtained in step (1) uniformly, drying at room temperature, and stirring once every 4 hours to obtain a dried powder;

[0062] (3) The dried powder obtained in step (2) is reacted at 130° C. for 4 h (sealed flask, stirring at 20 rpm), and then 3% of flavor, 2.5% of sodium alginate, 1% of fiber, 30% of glycerol and 20% of water are added, and tobacco sheets are prepared by roller pressing and thick slurry method.

[0063] In the present invention, glucose and amino acids are added to tobacco raw materials for reaction, and the tobacco powder after the reaction is made into heated cigarette sheets, which are compared with the heated cigarette sheets made from untreated tobacco powder for sensory evaluation. The evaluation method is shown in Table 1, and the average value is calculated by multiple evaluations. The results are shown in Table 2.

[0064] Table 1 Evaluation table of sensory overall characteristics of heated cigarettes

[0065]

[0066] Table 2 Sensory effects

[0067] Comparative Analysis Sensory score Sensory Effects No reaction 81.5 Poor aroma, low smoke concentration, and insufficient satisfaction After the reaction 83.3 Rich smoke aroma, high smoke concentration, strong sense of satisfaction

[0068] In summary, the present invention provides a method for processing tobacco leaves for heated cigarettes, wherein glucose and amino acids are added to tobacco leaf raw materials for reaction, and the tobacco powder after the reaction is made into heated cigarette sheets. Compared with heated cigarette sheets made from untreated tobacco powder, the heated cigarette sheets have richer tobacco aroma, higher smoke concentration, and stronger satisfaction.

[0069] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for heating tobacco leaves for cigarettes, characterized in that: The following steps are involved: a) grinding tobacco leaves into powder and mixing it with an aqueous solution containing glucose and amino acids to obtain a mixture; b) drying the mixture obtained in step a) to obtain an air-dried powder; c) reacting the air-dried powder obtained in step b), adding flavor, sodium alginate, fiber, glycerin and water, and obtaining tobacco sheets by thickening and rolling.

2. The processing method according to claim 1, characterized in that: The particle size of the ground powder in step a) is 40 mesh to 90 mesh.

3. The processing method according to claim 1, characterized in that: In step a), the amino acid is selected from one or more of proline, glycine and glutamic acid.

4. The processing method according to claim 3, characterized in that: The amino acid is proline.

5. The processing method according to claim 1, characterized in that: In the aqueous solution containing glucose and amino acids in step a), the content of glucose is 1wt% to 6wt%, and the content of amino acids is 1wt% to 6wt%.

6. The processing method according to claim 1, characterized in that: The mass ratio of the tobacco leaves to the aqueous solution containing glucose and amino acids in step a) is 100:(10-50).

7. The processing method according to claim 1, characterized in that: The drying process in step b) is specifically as follows: The mixture is stirred evenly, dried at room temperature, and stirred every 1 to 5 hours until completely dried to obtain dried powder.

8. The processing method according to claim 1, characterized in that: The reaction temperature in step c) is 100°C to 160°C.

9. The processing method according to claim 1, characterized in that: The reaction time in step c) is 1 h to 5 h.

10. The processing method according to claim 1, characterized in that: In step c), the amount of essence added is 1wt% to 3wt%; the amount of sodium alginate added is 2.5wt% to 3.5wt%; the amount of fiber added is 1wt% to 2wt%; the amount of glycerol added is 20wt% to 30wt%; and the amount of water added is 20wt% to 30wt%.

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