Tobacco flavor with glutinous rice flavor and tea flavor and application thereof

Abstract

The invention relates to a tobacco flavor with glutinous rice fragrance and tea fragrance flavor and application of the tobacco flavor. The tobacco flavor is prepared from the following components: glutinous rice fragrance tea leaf essential oil, 2-carene, 2-propionyl-3, 4, 5, 6-tetrahydropyridine, 2-acetyl-3, 4, 5, 6-tetrahydropyridine, geraniol, 2-propionyl-1, 4, 5, 6-tetrahydropyridine, piperidine-2-ethyl formate and linalool. The sticky rice fragrance tea leaf essential oil and seven specific spice components are creatively combined to form the mixed spice, compared with single sticky rice fragrance tea leaf essential oil serving as spice, all the components in the mixed spice are matched and synergistic, sticky rice fragrance and tea fragrance are provided when cigarettes are smoked, the fragrance coordination of the cigarettes is obviously improved, and the flavor of the cigarettes is improved. The smoke characteristic of the cigarette is improved; after the spice is used for slow release treatment, the stability of glutinous rice fragrance and tea fragrance flavor can be maintained when cigarettes are smoked, and the flavor of the spice cannot be changed due to the change of the original proportion of the components in the slow release process, so that the sensory quality of tobacco products is comprehensively improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of tobacco flavors, and relates to a tobacco flavor with glutinous rice and tea flavors and application thereof. BACKGROUND

[0002] There are problems such as odor, irritation, aftertaste and the like in tobacco leaves used for cigarettes, which are more prominent when high-quality tobacco raw materials are in short supply, and therefore the main purpose of adding flavors to tobacco leaves is to solve these problems, so as to achieve the best quality of cigarette aroma and taste.

[0003] If the leaf formula of cigarettes is not treated with flavors, the product will not have a characteristic flavor, and it will be difficult to satisfy smokers with different tastes and habits. In addition, with the development of low-tar cigarettes, the aroma of cigarette products is filtered and diluted, and the aroma is obviously insufficient. Flavors can make up for these losses without increasing tar production, and cigarette flavoring is becoming more and more important. Cigarette flavoring is an important part of formula design, an effective means to improve the quality of cigarette products, and an extremely important means for the cigarette industry. It plays an irreplaceable role in supplementing and modifying the aroma of cigarettes.

[0004] Glutinous rice flavor has natural glutinous rice sweet aroma and herbal aroma, and adding it to tobacco can neutralize the pungent irritation of tobacco, making the smoke softer and sweeter. It is an important natural tobacco flavor. However, the effective flavor components in glutinous rice flavor are relatively volatile and easy to lose, resulting in poor stability of cigarette flavoring and unobvious effect. Therefore, the slow-release material is used to coat the high-volatility and perishable tobacco flavor, which improves the stability and releases the aroma components in the smoking state, improves the taste and quality of the mainstream smoke of cigarettes, and achieves the purpose of flavoring.

[0005] However, glutinous rice flavor is a multi-component mixture, and direct slow-release treatment of the flavor will change the original proportion of components, resulting in changes in the flavor of the original flavor. Therefore, necessary component regulation is needed for slow-release glutinous rice flavor to maintain the necessary sensory characteristics. SUMMARY

[0006] In view of the deficiencies of the prior art, the purpose of the present application is to provide a tobacco flavor with glutinous rice and tea flavors and application thereof.

[0007] To achieve the purpose of the present application, the following technical solutions are adopted:

[0008] In a first aspect, the present application provides a tobacco flavoring with glutinous rice and tea flavor, components of the tobacco flavoring including glutinous rice tea leaf essential oil, 2-carene, 2-propionyl-3,4,5,6-tetrahydropyridine, 2-acetyl-3,4,5,6-tetrahydropyridine, geraniol, 2-propionyl-1,4,5,6-tetrahydropyridine, ethyl piperidine-2-carboxylate and linalool.

[0009] The present application creatively combines glutinous rice tea leaf essential oil with 2-carene, 2-propionyl-3,4,5,6-tetrahydropyridine, 2-acetyl-3,4,5,6-tetrahydropyridine, geraniol, 2-propionyl-1,4,5,6-tetrahydropyridine, ethyl piperidine-2-carboxylate and linalool to form a mixed flavoring, compared with single glutinous rice tea leaf essential oil as a flavor, the components in the mixed flavoring cooperate with each other and synergistically, not only providing glutinous rice and tea flavor during cigarette smoking, but also significantly improving the aroma coordination of the cigarette and improving the smoke properties of the cigarette; after the flavor is used for slow release treatment, the stability of the glutinous rice and tea flavor can be maintained during cigarette smoking, and the flavor change caused by the change of the original proportion of the components during the slow release process is avoided, thereby realizing the stability of the sensory performance and comprehensively improving the sensory quality of the tobacco product.

[0010] Preferably, the components of the tobacco flavoring include glutinous rice tea leaf essential oil 100 parts, 2-carene 1-2 parts, 2-propionyl-3,4,5,6-tetrahydropyridine 3-5 parts, 2-acetyl-3,4,5,6-tetrahydropyridine 10-12 parts, geraniol 1-2.5 parts, 2-propionyl-1,4,5,6-tetrahydropyridine 3-5 parts, ethyl piperidine-2-carboxylate 1-2 parts and linalool 6-10 parts in terms of mass fraction.

[0011] When the glutinous rice fragrant tea leaf essential oil is 100 parts, the parts of 2-carene can be selected as 1 part, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 2 parts, etc.; the parts of 2-propionyl-3,4,5,6-tetrahydropyridine can be selected as 3 parts, 3.2 parts, 3.5 parts, 3.8 parts, 4 parts, 4.2 parts, 4.5 parts, 4.8 parts, 5 parts, etc.; the parts of 2-acetyl-3,4,5,6-tetrahydropyridine can be selected as 10 parts, 10.2 parts, 10.5 parts, 10.8 parts, 11 parts, 11.2 parts, 11.5 parts, 11.8 parts, 12 parts, etc.; the parts of geraniol can be selected as 1 part, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 2 parts, 2.3 parts, 2.5 parts, etc.; the parts of 2-propionyl-1,4,5,6-tetrahydropyridine can be selected as 3 parts, 3.2 parts, 3.5 parts, 3.8 parts, 4 parts, 4.2 parts, 4.5 parts, 4.8 parts, 5 parts, etc.; the parts of piperidine-2-carboxylic acid ethyl ester can be selected as 1 part, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 2 parts, etc.; the parts of linalool can be selected as 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts, 9.5 parts, 10 parts, etc.; other specific values not listed in the above numerical ranges can also be selected, which are not repeated here.

[0012] Based on the synergistic relationship between the above-mentioned several flavor components, when the specific mass ratio relationship is met, the smoke characteristics and aroma style of the cigarette are more advantageous.

[0013] Preferably, the glutinous rice fragrant tea leaf essential oil is prepared by a preparation method comprising the following steps:

[0014] The glutinous rice fragrant tea leaf raw material is extracted by supercritical CO2 extraction method, the extract is mixed with ethanol and left to stand, filtered, and the filtrate is concentrated to obtain the glutinous rice fragrant tea leaf essential oil.

[0015] Preferably, the supercritical CO2 extraction is carried out at 45-55°C (for example, 45°C, 50°C, 55°C, etc.), 400-500 bar (for example, 400 bar, 450 bar, 500 bar, etc.), CO2 flow rate of 2-4 mL / min (for example, 2 mL / min, 2.5 mL / min, 3 mL / min, 3.5 mL / min, 4 mL / min, etc.) for 2.5-3.5 h (for example, 2.5 h, 3 h, 3.5 h, etc.). Other specific values not listed in the above numerical ranges can also be selected, which are not repeated here.

[0016] Preferably, the mass ratio of the extract to ethanol is 1: (8-12), for example 1:8, 1:9, 1:10, 1:11, 1:12, and other specific values not listed in the above range can also be selected, which will not be repeated here.

[0017] Preferably, the standing is at -22 ~ -18℃ (for example -22℃, -21℃, -20℃, -19℃, -18℃, etc.) for 24-36 h (for example 24 h, 26 h, 28 h, 30 h, 32 h, 34 h, 36 h, etc.). Other specific values not listed in the above range can also be selected, which will not be repeated here.

[0018] In a second aspect, the present application provides a tobacco flavor adsorbent material with glutinous rice and tea flavor, which comprises a cellulose adsorbent material and the tobacco flavor of the first aspect, wherein the tobacco flavor is loaded in the cellulose adsorbent material.

[0019] Loading the tobacco mixed flavor involved in the present application in the cellulose adsorbent material can achieve slow release of the flavor. After being added to cigarettes, compared with other types of adsorbent materials such as silica gel adsorbent material or starch-based adsorbent material, the above-mentioned flavor loaded in the cellulose adsorbent material can further improve the smoke characteristics of the cigarette and improve the sensory performance of the cigarette during smoking.

[0020] Preferably, the mass ratio of the cellulose adsorbent material to the tobacco flavor is 1: (1-3), for example 1:1, 2:3, 1:2, 2:5, 1:3, and other specific values not listed in the above range can also be selected, which will not be repeated here.

[0021] Preferably, the length of the cellulose adsorbent material is 20-50 mm, for example 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, etc.; and the cross-sectional diameter is 3-10 mm, for example 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, etc. Other specific values not listed in the above range can also be selected, which will not be repeated here.

[0022] Preferably, the cellulose adsorbent material is prepared by a preparation method comprising the following steps:

[0023] Under the catalysis of 2,2,6,6-tetramethylpiperidine oxide and sodium bromide, the cellulose raw material is mixed with the oxidizing agent for reaction, the water dispersion of the obtained product is subjected to homogenization treatment to obtain a suspension, the suspension is poured into a mold for freeze-drying, and the desired length is cut to obtain the cellulose adsorbent material.

[0024] Preferably, the cellulose raw material is natural plant cellulose and / or regenerated cellulose.

[0025] Preferably, the natural plant cellulose is selected from any one or a combination of at least two of wood fiber, straw fiber, bamboo fiber, cotton fiber or hemp fiber.

[0026] Preferably, the oxidizing agent comprises NaClO.

[0027] Preferably, the reaction is carried out at 15-35℃ (for example 15℃, 20℃, 25℃, 30℃, 35℃, etc.), pH 9.5-10.5 (for example pH=9.5, pH=10, pH=10.5, etc.), under stirring for 3-5 h (for example 3 h, 3.5 h, 4 h, 4.5 h, 5 h, etc.). Other specific values not listed in the above range can also be selected, which are not listed here one by one.

[0028] Preferably, the reaction is terminated by ethanol.

[0029] Preferably, the homogenization is carried out at 12000-18000 r / min (for example 12000 r / min, 14000 r / min, 15000 r / min, 16000 r / min, 18000 r / min, etc.) for 5-8 min (for example 5 min, 6 min, 7 min, 8 min, etc.). Other specific values not listed in the above range can also be selected, which are not listed here one by one.

[0030] Preferably, the concentration of the aqueous dispersion is 2-3 wt%, for example 2 wt%, 2.5 wt%, 3 wt%, etc. Other specific values not listed in the above range can also be selected, which are not listed here one by one.

[0031] In a third aspect, the present application provides a method for preparing the tobacco flavor adsorbent material according to the second aspect, which comprises: placing the cellulose adsorbent material and the tobacco flavor in a closed container at 60-80℃ (for example 60℃, 65℃, 70℃, 75℃, 80℃, etc.) for 4-8 h (for example 4 h, 5 h, 6 h, 7 h, 8 h, etc.) to adsorb, and cooling to 15-35℃ (for example 15℃, 17℃, 18℃, 20℃, 25℃, 30℃, 35℃, etc.) to obtain the tobacco flavor adsorbent material. Other specific values not listed in the above range can also be selected, which are not listed here one by one.

[0032] In a fourth aspect, the present application provides the use of the tobacco flavor according to the first aspect or the tobacco flavor adsorbent material according to the second aspect in the preparation of cigarettes.

[0033] Compared with the prior art, the application has the following beneficial effects:

[0034] The application creatively combines waxy rice fragrant tea leaf essential oil with 2-carene, 2-propionyl-3, 4, 5, 6-tetrahydropyridine, 2-acetyl-3, 4, 5, 6-tetrahydropyridine, geraniol, 2-propionyl-1, 4, 5, 6-tetrahydropyridine, ethyl piperidine-2-carboxylate and linalool to form a mixed spice, compared with using single waxy rice fragrant tea leaf essential oil as a spice, the components in the mixed spice cooperate with each other and have synergistic effect, not only can provide waxy rice fragrance and tea fragrance during smoking, but also can significantly improve the aroma coordination of the cigarette and improve the smoke properties of the cigarette; after the spice is used for slow release treatment, the stability of the waxy rice fragrance and tea fragrance flavor can be maintained during smoking, the flavor of the spice will not change due to the change of the original proportion of the components during the slow release process, thereby the stability of the sensory performance is realized, and the sensory quality of the tobacco product is comprehensively improved. DETAILED DESCRIPTION

[0035] In order to further illustrate the technical means adopted by the application and its effects, the technical solutions of the application will be further described below in combination with the preferred embodiments of the application, but the application is not limited in the scope of the embodiments.

[0036] The waxy rice fragrant tea raw material used below is Xinyihuo waxy fragrant Pu'er tea.

[0037] Preparation Example 1-1

[0038] The preparation example provides a waxy rice fragrant tea leaf essential oil, and the preparation method is as follows:

[0039] The waxy rice fragrant tea raw material is extracted by using a supercritical CO2 extraction method, the extraction temperature is 50 DEG C, 450 bar, the CO2 flow rate is 3 mL / min, and the extraction time is 3 h; the extract is mixed with 10 times the mass of anhydrous ethanol, and is placed at-20 DEG C for 24 h, filtered, and the filtrate is concentrated to remove ethanol to obtain the waxy rice fragrant tea leaf essential oil.

[0040] Preparation Example 1-2

[0041] The preparation example provides a waxy rice fragrant tea leaf essential oil, and the preparation method is as follows:

[0042] The waxy rice fragrant tea raw material is extracted by using a supercritical CO2 extraction method, the extraction temperature is 45 DEG C, 400 bar, the CO2 flow rate is 2 mL / min, and the extraction time is 3.5 h; the extract is mixed with 12 times the mass of anhydrous ethanol, and is placed at-18 DEG C for 36 h, filtered, and the filtrate is concentrated to remove ethanol to obtain the waxy rice fragrant tea leaf essential oil.

[0043] Preparation Example 1-3

[0044] The present preparation example provides a glutinous rice fragrant tea leaf essential oil, and a preparation method thereof is as follows:

[0045] The glutinous rice fragrant tea leaf raw material is extracted by using a supercritical CO2 extraction method, the extraction temperature is 55℃, the pressure is 500 bar, the CO2 flow rate is 4 mL / min, and the extraction time is 2.5 h; the extract is mixed with 8 times the mass of anhydrous ethanol, and is placed at -22℃ for 30 h, filtered, and the filtrate is concentrated to remove ethanol to obtain the glutinous rice fragrant tea leaf essential oil.

[0046] Example 1-1

[0047] The present example provides a tobacco flavoring with glutinous rice fragrance and tea fragrance, and the components thereof are composed of the following components in mass parts: 100 parts of the glutinous rice fragrant tea leaf essential oil prepared in the preparation example 1-1, 1 part of 2-carene, 5 parts of 2-propionyl-3,4,5,6-tetrahydropyridine, 10 parts of 2-acetyl-3,4,5,6-tetrahydropyridine, 2.5 parts of geraniol, 3 parts of 2-propionyl-1,4,5,6-tetrahydropyridine, 2 parts of piperidine-2-carboxylic acid ethyl ester, and 6 parts of linalool. The above-mentioned flavoring is uniformly mixed.

[0048] Example 1-2

[0049] The present example provides a tobacco flavoring with glutinous rice fragrance and tea fragrance, and the components thereof are composed of the following components in mass parts: 100 parts of the glutinous rice fragrant tea leaf essential oil prepared in the preparation example 1-2, 2 parts of 2-carene, 3 parts of 2-propionyl-3,4,5,6-tetrahydropyridine, 12 parts of 2-acetyl-3,4,5,6-tetrahydropyridine, 1 part of geraniol, 5 parts of 2-propionyl-1,4,5,6-tetrahydropyridine, 1 part of piperidine-2-carboxylic acid ethyl ester, and 10 parts of linalool. The above-mentioned flavoring is uniformly mixed.

[0050] Example 1-3

[0051] The present example provides a tobacco flavoring with glutinous rice fragrance and tea fragrance, and the components thereof are composed of the following components in mass parts: 100 parts of the glutinous rice fragrant tea leaf essential oil prepared in the preparation example 1-3, 1.5 parts of 2-carene, 4 parts of 2-propionyl-3,4,5,6-tetrahydropyridine, 11 parts of 2-acetyl-3,4,5,6-tetrahydropyridine, 1.5 parts of geraniol, 4 parts of 2-propionyl-1,4,5,6-tetrahydropyridine, 1.5 parts of piperidine-2-carboxylic acid ethyl ester, and 8 parts of linalool. The above-mentioned flavoring is uniformly mixed.

[0052] Example 1-4

[0053] The present example provides a tobacco flavor having glutinous rice and tea flavor, which is composed of 100 parts by mass of glutinous rice tea leaf essential oil prepared in Preparation Example 1-1, 0.5 parts by mass of 2-carene, 6 parts by mass of 2-propionyl-3,4,5,6-tetrahydropyridine, 9 parts by mass of 2-acetyl-3,4,5,6-tetrahydropyridine, 3 parts by mass of geraniol, 2 parts by mass of 2-propionyl-1,4,5,6-tetrahydropyridine, 3 parts by mass of ethyl piperidine-2-carboxylate, and 5 parts by mass of linalool. The above components are mixed to prepare the tobacco flavor.

[0054] Comparative Example 1-1

[0055] The present comparative example provides a tobacco flavor having glutinous rice and tea flavor, which is composed of 100 parts by mass of glutinous rice tea leaf essential oil prepared in Preparation Example 1-1, 0.5 parts by mass of 2-carene, 6 parts by mass of 2-propionyl-3,4,5,6-tetrahydropyridine, 9 parts by mass of 2-acetyl-3,4,5,6-tetrahydropyridine, 3 parts by mass of geraniol, 2 parts by mass of 2-propionyl-1,4,5,6-tetrahydropyridine, 3 parts by mass of ethyl piperidine-2-carboxylate, and 5 parts by mass of linalool. The above components are mixed to prepare the tobacco flavor.

[0056] Comparative Example 1-2

[0057] The present comparative example provides a tobacco flavor having glutinous rice and tea flavor, which is composed of 100 parts by mass of glutinous rice tea leaf essential oil prepared in Preparation Example 1-1, 0.5 parts by mass of 2-carene, 6 parts by mass of 2-propionyl-3,4,5,6-tetrahydropyridine, 9 parts by mass of 2-acetyl-3,4,5,6-tetrahydropyridine, 3 parts by mass of geraniol, 2 parts by mass of 2-propionyl-1,4,5,6-tetrahydropyridine, 3 parts by mass of ethyl piperidine-2-carboxylate, and 5 parts by mass of linalool. The above components are mixed to prepare the tobacco flavor.

[0058] Comparative Example 1-3

[0059] The present comparative example provides a tobacco flavor having glutinous rice and tea flavor, which is composed of 100 parts by mass of glutinous rice tea leaf essential oil prepared in Preparation Example 1-1, 0.5 parts by mass of 2-carene, 6 parts by mass of 2-propionyl-3,4,5,6-tetrahydropyridine, 9 parts by mass of 2-acetyl-3,4,5,6-tetrahydropyridine, 3 parts by mass of geraniol, 2 parts by mass of 2-propionyl-1,4,5,6-tetrahydropyridine, 3 parts by mass of ethyl piperidine-2-carboxylate, and 5 parts by mass of linalool. The above components are mixed to prepare the tobacco flavor.

[0060] Comparative Example 1-4

[0061] The present comparative example provides a tobacco flavor having glutinous rice and tea flavor, which is composed of 100 parts by mass of glutinous rice tea leaf essential oil prepared in Preparation Example 1-1, 0.5 parts by mass of 2-carene, 6 parts by mass of 2-propionyl-3,4,5,6-tetrahydropyridine, 9 parts by mass of 2-acetyl-3,4,5,6-tetrahydropyridine, 3 parts by mass of geraniol, 2 parts by mass of 2-propionyl-1,4,5,6-tetrahydropyridine, 3 parts by mass of ethyl piperidine-2-carboxylate, and 5 parts by mass of linalool. The above components are mixed to prepare the tobacco flavor.

[0062] Comparative Example 1-5

[0063] This comparative example provides a tobacco flavor having a glutinous rice aroma and tea aroma flavor, the components of which differ from those of Example 1-1 only in that the mass fraction of ethyl piperidine-2-carboxylate is proportionally distributed to the mass fractions of 2-carene, 2-propionyl-3,4,5,6-tetrahydropyridine, 2-acetyl-3,4,5,6-tetrahydropyridine, geraniol, 2-propionyl-1,4,5,6-tetrahydropyridine, and linalool.

[0064] Comparative Example 1-6

[0065] This comparative example provides a tobacco flavor having a glutinous rice aroma and tea aroma flavor, the components of which differ from those of Example 1-1 only in that the mass fraction of ethyl piperidine-2-carboxylate is proportionally distributed to the mass fractions of 2-carene, 2-propionyl-3,4,5,6-tetrahydropyridine, 2-acetyl-3,4,5,6-tetrahydropyridine, geraniol, 2-propionyl-1,4,5,6-tetrahydropyridine, and linalool.

[0066] Comparative Example 1-7

[0067] This comparative example provides a tobacco flavor having a glutinous rice aroma and tea aroma flavor, the components of which differ from those of Example 1-1 only in that the mass fraction of linalool is proportionally distributed to the mass fractions of 2-carene, 2-propionyl-3,4,5,6-tetrahydropyridine, 2-acetyl-3,4,5,6-tetrahydropyridine, geraniol, 2-propionyl-1,4,5,6-tetrahydropyridine, and ethyl piperidine-2-carboxylate.

[0068] Comparative Example 1-8

[0069] This comparative example provides a tobacco flavor having a glutinous rice aroma and tea aroma flavor, the components of which differ from those of Example 1-1 only in that the mass fractions of 2-carene, 2-propionyl-3,4,5,6-tetrahydropyridine, 2-acetyl-3,4,5,6-tetrahydropyridine, geraniol, 2-propionyl-1,4,5,6-tetrahydropyridine, ethyl piperidine-2-carboxylate, and linalool are all distributed to the mass fraction of glutinous rice tea leaf essential oil.

[0070] Preparation Example 2-1

[0071] This preparation example provides a cellulose adsorbing material, the preparation method of which is as follows:

[0072] Example 2-1 1 g of cotton fibers were added to deionized water containing 0.016 g of 2,2,6,6-tetramethylpiperidine oxide and 0.1 g of NaBr. While stirring, 1.24 g of NaClO was added, followed by the dropwise addition of a NaOH solution to adjust the pH to 10.5. The reaction was stirred at 20°C at 300 rpm for 4.5 hours, after which 10 mL of anhydrous ethanol was added to terminate the reaction, and the product was washed with deionized water by centrifugation. The resulting product was dispersed in deionized water, and the mixture was homogenized using a homogenizer at 13000 rpm for 8 min to obtain a 2.5 wt% suspension. The suspension was poured into a mold having a diameter of 5 mm, and was left in a refrigerator at -80°C for 12 hours. The frozen sample was vacuum freeze-dried at -60°C for 48 hours, and was cut into cylinders having a length of 30 mm to obtain a cellulose adsorbent material.

[0073] Preparation Example 2-2

[0074] The present preparation example provides a cellulose adsorbent material, the preparation method of which is as follows:

[0075] 1 g of wood fibers were added to deionized water containing 0.016 g of 2,2,6,6-tetramethylpiperidine oxide and 0.1 g of NaBr. While stirring, 1.24 g of NaClO was added, followed by the dropwise addition of a NaOH solution to adjust the pH to 10.5. The reaction was stirred at 20°C at 300 rpm for 4.5 hours, after which 10 mL of anhydrous ethanol was added to terminate the reaction, and the product was washed with deionized water by centrifugation. The resulting product was dispersed in deionized water, and the mixture was homogenized using a homogenizer at 13000 rpm for 8 min to obtain a 2.5 wt% suspension. The suspension was poured into a mold having a diameter of 5 mm, and was left in a refrigerator at -80°C for 12 hours. The frozen sample was vacuum freeze-dried at -60°C for 48 hours, and was cut into cylinders having a length of 30 mm to obtain a cellulose adsorbent material.

[0076] Preparation Example 2-3

[0077] The present preparation example provides a cellulose adsorbent material, the preparation method of which is as follows:

[0078] Example 2-1

[0079] Preparation Example 2-4

[0080] The present preparation example provides a silica gel adsorption particle, which is prepared as follows:

[0081] Sodium silicate, anhydrous ethanol and water are mixed in a molar ratio of 1:4:4, hydrochloric acid is added to a pH of 4, stirred for 1 h, and then ammonia is added to a pH of 8, and a sol with a viscosity of 240 mPa·s is formed by stirring; the sol is sprayed into a drying chamber containing ammonia gas using a spray drying method, and is atomized into wet gel spheres with a diameter of 0.8-1 mm; the wet gel spheres are soaked in an ethanol solution for 48 h, and the gel spheres are dried using supercritical CO2 to obtain the adsorption particles.

[0082] Preparation Example 2-5

[0083] The present preparation example provides a starch-based adsorption particle, which is prepared as follows:

[0084] Corn starch is dispersed in water to form a 10 wt% starch suspension, the starch suspension is subjected to high-temperature gelatinization treatment at a temperature of 120°C for 20 min, and then cooled; the gelatinized liquid is dropped into corn oil to form spherical particles, the spherical particles are washed with ethanol and supercritically dried with CO2 to obtain starch-based adsorption particles with a diameter of 0.75-0.85 mm.

[0085] Example 2-1

[0086] The present example provides a tobacco flavor adsorption material with glutinous rice and tea flavors, which is prepared by mixing the cellulose adsorption material prepared in Preparation Example 2-1 and the tobacco flavor prepared in Example 1-1 in a mass ratio of 1:2, placing them in a closed container, adsorbing at 75°C for 4 h, and cooling to 25°C to obtain the tobacco flavor adsorption material.

[0087] Example 2-2

[0088] A smoke flavor adsorbent material having glutinous rice and tea flavor was prepared by mixing the cellulose adsorbent material prepared in Preparation Example 2-1 and the smoke flavor prepared in Example 1-1 in a mass ratio of 1:2, adsorbing for 8 hours at 60°C in a closed container, and cooling to 25°C.

[0089] Example 2-3

[0090] A smoke flavor adsorbent material having glutinous rice and tea flavor was prepared by mixing the cellulose adsorbent material prepared in Preparation Example 2-3 and the smoke flavor prepared in Example 1-3 in a mass ratio of 1:2, adsorbing for 5 hours at 80°C in a closed container, and cooling to 25°C.

[0091] Example 2-4

[0092] A smoke flavor adsorbent material having glutinous rice and tea flavor was prepared by mixing the cellulose adsorbent material prepared in Preparation Example 2-1 and the smoke flavor prepared in Example 1-4 in a mass ratio of 1:2, adsorbing for 8 hours at 60°C in a closed container, and cooling to 25°C.

[0093] Example 2-5

[0094] A smoke flavor adsorbent material having glutinous rice and tea flavor was prepared by mixing the cellulose adsorbent material prepared in Preparation Example 2-1 and the smoke flavor prepared in Example 1-4 in a mass ratio of 1:2, adsorbing for 8 hours at 60°C in a closed container, and cooling to 25°C.

[0095] Example 2-6

[0096] A smoke flavor adsorbent material having glutinous rice and tea flavor was prepared by mixing the cellulose adsorbent material prepared in Preparation Example 2-1 and the smoke flavor prepared in Example 1-4 in a mass ratio of 1:2, adsorbing for 8 hours at 60°C in a closed container, and cooling to 25°C.

[0097] Comparative Examples 2-1 to 2-8

[0098] Eight smoke flavor adsorbent materials having glutinous rice and tea flavor were prepared by mixing the cellulose adsorbent material prepared in Preparation Example 2-1 and the smoke flavor prepared in Comparative Examples 1-1 to 1-8 in a mass ratio of 1:2, adsorbing for 8 hours at 60°C in a closed container, and cooling to 25°C.

[0099] Application Example 1

[0100] A cigarette was prepared by the following method:

[0101] 0.4 g of the tobacco flavor adsorbent material prepared in Example 2-1 was assembled into a cigarette filter to prepare a cigarette.

[0102] Application Example 2-6

[0103] Five cigarettes were prepared by the following method:

[0104] 0.4 g of the tobacco flavor adsorbent material prepared in Example 2-2 to Example 2-6 was assembled into a cigarette filter to prepare a cigarette, respectively.

[0105] Comparative Application Example 1-8

[0106] Eight cigarettes were prepared by the following method:

[0107] 0.4 g of the tobacco flavor adsorbent material prepared in Comparative Example 2-1 to Comparative Example 2-8 was assembled into a cigarette filter to prepare a cigarette, respectively.

[0108] Comparative Application Example 9

[0109] A cigarette was prepared by the following method:

[0110] 0.4 g of the tobacco flavor prepared in Example 1-1 (without adsorbing the adsorbent particles) was directly assembled into a cigarette filter to prepare a cigarette.

[0111] Experimental Example

[0112] In this experimental example, the cigarettes prepared in Application Example 1-6 and Comparative Application Example 1-9 were used as sample cigarettes, and blank cigarettes were added with an equal amount of solvent as reference cigarettes. The sample cigarettes and reference cigarettes were sealed and stored in an environment with a temperature of (22±1) °C and a relative humidity of 60%±2% for more than 48 h. The smoke properties and aroma characteristics of the sample cigarettes and reference cigarettes were evaluated according to the method in YC / T 497-2014, and the results are shown in Tables 1-2.

[0113] Table 1

[0114]

[0115] Table 2

[0116]

[0117] From the data in Tables 1 and 2, it can be seen that, compared with the blank cigarettes, the tobacco flavor adsorbent material involved in the present application added to the cigarettes not only provides tea aroma and glutinous rice aroma during smoking, but also makes the cigarettes have more excellent smoke properties and aroma characteristics, and the sensory evaluation is comprehensively improved.

[0118] It can be seen from the comparison between application example 1 and comparative application example 9 that, compared with the flavoring material not loaded in the cellulose adsorption material, the cigarette smoke properties and aroma characteristics of the cigarette can be further improved when the cigarette is smoked, and the sensory performance of the cigarette is improved after the cigarette is added to the cigarette.

[0119] It can be seen from the comparison between application example 1 and comparative application example 8 that, compared with the single waxy rice tea leaf essential oil as the flavoring material, the flavoring material involved in the application can maintain the stability of the flavor after being used for slow-release treatment, and the change of the flavor of the flavoring material caused by the change of the original proportion of the components during the slow-release process is avoided, thereby realizing the stability of the sensory performance and comprehensively improving the sensory quality of the tobacco product.

[0120] It can be seen from the comparison between application example 1 and comparative application examples 1-7 that the components in the flavoring material involved in the application cooperate with each other to improve the cigarette smoke properties and aroma characteristics, and the sensory quality of the tobacco product is comprehensively improved.

[0121] The applicant declares that the technical solutions of the application are illustrated by the above examples, but the application is not limited to the above examples, that is, it does not mean that the application must rely on the above examples to be implemented. It should be understood by those skilled in the art that any improvement of the application, equivalent replacement of each raw material of the product of the application, addition of auxiliary ingredients, selection of specific modes, etc. fall within the protection scope and disclosure scope of the application.

[0122] The preferred embodiments of the application are described in detail above, but the application is not limited to the specific details in the above embodiments. Within the technical concept scope of the application, various simple modifications can be made to the technical solutions of the application, and these simple modifications all belong to the protection scope of the application.

[0123] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the application will not further describe various possible combination manners.

Claims

1. A tobacco flavouring having a glutinous rice and tea flavour, characterized in that, The components of the tobacco flavor include waxy rice tea leaf essential oil, 2-carene, 2-propionyl-3,4,5,6-tetrahydropyridine, 2-acetyl-3,4,5,6-tetrahydropyridine, geraniol, 2-propionyl-1,4,5,6-tetrahydropyridine, ethyl piperidine-2-carboxylate, and linalool.

2. A smoking flavour according to claim 1 characterised in that, The components of the tobacco flavor include waxy rice tea leaf essential oil 100 parts, 2-carene 1-2 parts, 2-propionyl-3,4,5,6-tetrahydropyridine 3-5 parts, 2-acetyl-3,4,5,6-tetrahydropyridine 10-12 parts, geraniol 1-2.5 parts, 2-propionyl-1,4,5,6-tetrahydropyridine 3-5 parts, ethyl piperidine-2-carboxylate 1-2 parts, and linalool 6-10 parts in terms of mass fraction.

3. A smoking flavour according to claim 1 or 2 characterised in that, The waxy rice tea leaf essential oil is prepared by a preparation method comprising the following steps: The waxy rice tea leaf raw material is extracted by a supercritical CO2 extraction method, the extract is mixed with ethanol and left to stand, filtered, and the filtrate is concentrated to obtain the waxy rice tea leaf essential oil.

4. A smoking flavour according to claim 3, characterised in that, The supercritical CO2 extraction is performed at 45-55℃, 400-500 bar, CO2 flow rate 2-4 mL / min for 2.5-3.5 h; Preferably, the mass ratio of the extract to ethanol is 1:(8-12); Preferably, the standing is at -22~-18℃ for 24-36 h.

5. A smoking flavor adsorbent material having a glutinous rice aroma and a tea aroma flavor, characterized by comprising: The tobacco flavor adsorption material includes cellulose adsorption material and the tobacco flavor of any one of claims 1-4, wherein the tobacco flavor is loaded in the cellulose adsorption material.

6. The smoking flavour adsorbent material of claim 5, wherein, The mass ratio of the cellulose adsorption material to the tobacco flavor is 1:(1-3); Preferably, the cellulose adsorption material has a length of 20-50 mm and a cross-sectional diameter of 3-10 mm.

7. The smoking flavour adsorbent material of claim 5, wherein The cellulose adsorption material is prepared by a preparation method comprising the following steps: The cellulose raw material is mixed with an oxidizing agent under the catalysis of 2,2,6,6-tetramethylpiperidine oxide and sodium bromide, the obtained product is subjected to homogenization treatment, a water dispersion of the obtained product is subjected to homogenization treatment to obtain a suspension, the suspension is poured into a mold for freeze-drying, and the obtained product is cut into a desired length to obtain the cellulose adsorption material.

8. The smoking flavour adsorbent material of claim 7, wherein, The cellulose raw material is natural plant cellulose and / or regenerated cellulose; Preferably, the natural plant cellulose is selected from any one or a combination of at least two of wood fiber, agricultural straw fiber, bamboo fiber, cotton fiber, or hemp fiber; Preferably, the oxidizing agent includes NaClO; Preferably, the reaction is performed at 15-35℃, pH 9.5-10.5, and under stirring for 3-5 h; Preferably, the reaction is terminated by ethanol; Preferably, the homogenization treatment is performed at 12000-18000 r / min for 5-8 min; Preferably, the concentration of the water dispersion is 2-3 wt%.

9. A method of making a smoking flavour adsorbent material according to any of claims 5 to 8, characterised in that, The preparation method includes placing the cellulose adsorption material and the tobacco flavor in a closed container for adsorption at 60-80℃ for 4-8 h, and cooling to 15-35℃ to obtain the tobacco flavor adsorption material.

10. Use of a smoking flavour according to any of claims 1 to 4 or a smoking flavour adsorbent material according to any of claims 5 to 8 in the manufacture of a cigarette.

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