Fragrance-carrying heating cigarette and preparation method thereof

Abstract

The invention relates to an aroma-carrying heating cigarette and a preparation method thereof, the aroma-carrying heating cigarette comprises a heating cigarette body and an O1 / W / O2 type aroma-carrying dual emulsion, and the O1 / W / O2 type aroma-carrying dual emulsion is loaded on a filter tip section and / or a cooling section of the heating cigarette body. According to the invention, the essence is loaded by adopting the O1 / W / O2 type fragrance-loading dual emulsion, and the obtained emulsion is relatively high in stability and has a slow-release effect; when the emulsion is loaded on the filter tip section and / or the cooling section of the heating cigarette body, the essence retention rate of the heating cigarette in the storage process and the essence transfer rate and release consistency in the smoking process can be effectively improved, and the smoking quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cigarette flavoring, and in particular to a flavor-carrying heated cigarette and a preparation method thereof. Background Art

[0002] With the improvement of living standards, people's pursuit of health is getting higher and higher. The development of low-hazard, low-tar and high-aroma cigarettes has become a key research direction of the tobacco industry. Researchers have done a lot of research on improving and developing new cigarette processes and developing new tobacco products. Among various new tobacco products, smokers can get the most similar smoking satisfaction from heated cigarettes as traditional cigarettes. Compared with traditional tobacco, heated cigarettes do not directly burn cigarettes but release smoke by heating tobacco materials. It can reduce the harmful components of tobacco caused by high-temperature combustion and decomposition, and reduce the harmful components of mainstream smoke. However, the amount of smoke and smoke concentration generated by heated cigarettes are relatively low and the smoke aroma is weak. In addition, during the smoking process, heated cigarettes still have the problem of the overall aroma concentration first increasing and then decreasing, which affects the smoking quality of cigarettes.

[0003] By adding tobacco flavors, the concentration of flavor can be increased to improve the quality of cigarette products. It also helps to form cigarette products with a specific style, which is of great practical significance for developing new products and improving their own market competitiveness. Therefore, cigarette flavoring technology has become a key technology for improving cigarette quality and forming special cigarette products. However, due to the shortcomings of flavors such as poor stability, high volatility, and easy oxidation, the research and development of flavoring technology has posed a great challenge.

[0004] CN117981901A discloses a blended film prepared by electrostatic spinning of chitosan and polycaprolactone / polyethylene oxide, and uses menthol and eugenol adsorbed by the blended film to obtain a flavor controlled release material for heating cigarette filters. The flavor controlled release material can increase the retention rate of menthol and eugenol at room temperature and the release rate in the low temperature range (40-70°C, especially 55-70°C).

[0005] CN116236983B discloses a flavor microcapsule and a cigarette containing the microcapsule. The embedding rate of the flavor in the microcapsule can reach more than 90%, which improves the stability of the flavor during storage, processing and use, has a good flavor sustained release effect, and can be used in cigarettes to significantly improve the smoking quality of the cigarette.

[0006] CN118292191A discloses a porous carrier prepared by electrostatic spinning of chitosan and thermoplastic material, and uses menthol and eugenol adsorbed by the porous carrier to obtain a flavoring material for heating cigarette cores. The flavoring material can improve the retention rate in the medium temperature (70℃-100℃) cigarette core production stage, and can effectively release in the high temperature zone (>200℃) during the smoking stage.

[0007] However, the above solutions either have complicated raw materials and processes, high energy consumption, and the risk of introducing other potentially harmful substances, or have problems such as a large amount of volatilization and decomposition of small molecule flavor substances during the preparation process, low flavor transfer rate, and poor sustained release effect. Therefore, providing a flavor-carrying heated cigarette that can achieve slow release of flavors, improving the flavor transfer rate and release consistency during the smoking process of heated cigarettes, and improving the smoking quality has good development prospects. Summary of the invention

[0008] In order to solve the above technical problems, the present invention provides a flavor-carrying heated cigarette and a preparation method thereof. The present invention adopts an O1 / W / O2 type flavor-carrying double emulsion to load the flavor, and the obtained emulsion has high stability and a sustained release effect; when the emulsion is loaded on the filter segment and / or the cooling segment of the heated cigarette body, the flavor retention rate of the heated cigarette during storage and the flavor transfer rate and release consistency during the smoking process can be effectively improved, thereby improving the smoking quality.

[0009] To achieve this object, the present invention adopts the following technical solutions:

[0010] In a first aspect, the present invention provides a flavor-carrying heated cigarette, comprising a heated cigarette body and an O1 / W / O2 type flavor-carrying double emulsion, wherein the O1 / W / O2 type flavor-carrying double emulsion is loaded on a filter segment and / or a cooling segment of the heated cigarette body.

[0011] The present invention adopts O1 / W / O2 type flavor-carrying double emulsion to load flavor, and the obtained emulsion has high stability and a sustained-release effect; when the emulsion is loaded on the filter segment and / or the cooling segment of the heated cigarette body, the flavor retention rate of the heated cigarette during storage and the flavor transfer rate and release consistency during smoking can be effectively improved, thereby improving the smoking quality.

[0012] Preferably, the loading amount of the O1 / W / O2 type flavor carrier double emulsion in the heated cigarette body is 10-20 mg / cigarette, for example, it can be 10 mg / cigarette, 12 mg / cigarette, 14 mg / cigarette, 16 mg / cigarette, 18 mg / cigarette, 20 mg / cigarette, etc., preferably 12-15 mg / cigarette.

[0013] Preferably, the O1 / W / O2 type flavor-carrying double emulsion is loaded on the filter section and the cooling section of the heating cigarette body.

[0014] In the present invention, the O1 / W / O2 type flavor-carrying double emulsion is applied to the heated cigarette filter section and the cooling section at the same time. When smoke with a certain temperature passes through, the interface film is destroyed (emulsification), and the flavor is slowly released, thereby improving the consistency of puff-by-puff release. In addition, since the smoke temperature in the heated cigarette filter section and the cooling section is relatively low, the thermal decomposition of the flavor is avoided, thereby improving the transfer rate into the smoke.

[0015] Preferably, the loading mass ratio of the O1 / W / O2 type flavor-carrying double emulsion in the filter section and the cooling section is 1:(0.5-3.5), for example, it can be 1:0.5, 1:1, 1:1.5, 1:2, 1:2.5, 1:3, 1:3.5, etc., preferably 1:(1-2.75).

[0016] In the present invention, since the temperature of the cooling section is higher than that of the filter section, when the amount of emulsion added in the cooling section is above the filter section, it is more conducive to the release of the flavor in the emulsion and the smoke transfer rate is higher; when the load ratio of the two is within the preferred range of the present invention, the above effect is further improved.

[0017] Preferably, the O1 / W / O2 type fragrance-carrying double emulsion comprises an inner oil phase O1, an intermediate water phase W and an outer oil phase O2; the inner oil phase O1 comprises essence and a first solvent; the intermediate water phase W comprises a water-soluble emulsifier and water; and the outer oil phase O2 comprises an oil-soluble emulsifier and a second solvent.

[0018] The present invention loads the flavor in the inner oil phase O1, and the obtained O1 / W / O2 double emulsion has a unique multi-compartment structure of "two membranes and three phases", which can achieve stable encapsulation of the flavor through the hydrogen bond interaction between the substances in the system, has high stability and flavor embedding rate, and achieves a sustained release effect of the flavor by controlling the demulsification of the multiple interface membranes by temperature, and has good flavor carrying, flavor holding and flavor releasing properties.

[0019] Preferably, the water-soluble emulsifier comprises any one or a combination of at least two of flaxseed gum, whey protein isolate, Tween 80, soy lecithin, sodium caseinate, sucrose ester or sodium dodecylbenzene sulfonate, preferably a combination of flaxseed gum, whey protein isolate and Tween 80.

[0020] Preferably, the mass ratio of flaxseed gum, whey protein isolate and Tween 80 is 1:(0.5-1.5):(0.5-1.5).

[0021] The above-mentioned numerical value (0.5-1.5) can be, for example, 0.5, 0.6, 0.8, 1, 1.2, 1.4, 1.5, etc.

[0022] Preferably, the oil-soluble emulsifier includes any one of Span 80, monoglycerol fatty acid ester or sucrose fatty acid ester, or a combination of at least two thereof.

[0023] Preferably, the first solvent comprises any one of ethanol, propylene glycol or caprylic acid glyceride or a combination of at least two thereof.

[0024] Preferably, the second solvent comprises any one of propylene glycol, triacetin or caprylic decanoic acid glyceride, or a combination of at least two thereof.

[0025] Preferably, the mass ratio of the flavor to the first solvent is 1:(0.1-1.2), for example, it can be 1:0.1, 1:0.2, 1:0.4, 1:0.6, 1:0.8, 1:1.0, 1:1.2, etc., preferably 1:(0.15-0.5).

[0026] Preferably, the mass ratio of the water-soluble emulsifier to water is 1:(7-19), for example, it can be 1:7, 1:9, 1:11, 1:13, 1:15, 1:17, 1:19, etc., preferably 1:(7-11.5).

[0027] Preferably, the mass ratio of the oil-soluble emulsifier to the second solvent is 1:(7-19), for example, it can be 1:7, 1:9, 1:11, 1:13, 1:15, 1:17, 1:19, etc., preferably 1:(9-12).

[0028] Preferably, the mass ratio of the middle layer water phase W to the inner layer oil phase O1 is 1:(0.5-1.5), for example, it can be 1:0.5, 1:0.7, 1:0.9, 1:1.1, 1:1.3, 1:1.5, etc., preferably 1:(1-1.5).

[0029] Preferably, the mass ratio of the sum of the inner oil phase O1 and the middle water phase W to the outer oil phase O2 is 1:(0.5-1.5), for example, it can be 1:0.5, 1:0.7, 1:0.9, 1:1.1, 1:1.3, 1:1.5, etc., preferably 1:(0.8-1.2).

[0030] In the present invention, when the proportions of the components are within the above preferred ranges, the resulting cigarette has better performance.

[0031] In a second aspect, the present invention provides a method for preparing the flavor-carrying heated cigarette according to the first aspect, the preparation method comprising the following steps:

[0032] (1) Mixing the essence and the first solvent to obtain an inner oil phase O1; mixing the water-soluble emulsifier and water to obtain an intermediate water phase W; mixing the oil-soluble emulsifier and the second solvent to obtain an outer oil phase O2;

[0033] (2) adding the inner layer oil phase O1 to the middle layer water phase W, and after ultrasonic emulsification, obtaining O1 / W type colostrum; adding the O1 / W type colostrum to the outer layer oil phase O2, and after ultrasonic emulsification, obtaining O1 / W / O2 type fragrance-carrying double emulsion;

[0034] (3) Loading the O1 / W / O2 type flavor-carrying double emulsion on the filter segment and / or the cooling segment of the heating cigarette body to obtain the flavor-carrying heating cigarette.

[0035] Preferably, in step (1), the water-soluble emulsifier and water are mixed or the oil-soluble emulsifier and the second solvent are mixed, and the mixing is carried out under conditions of heating and stirring in a water bath.

[0036] Preferably, the temperatures of the water bath heating are independently 25-40°C, for example, 25°C, 30°C, 35°C, 40°C, etc.

[0037] Preferably, the stirring rate is independently 800-1200 r / min, for example, 800 r / min, 900 r / min, 1000 r / min, 1100 r / min, 1200 r / min, etc., and the stirring time is independently 2-10 min, for example, 2 min, 4 min, 6 min, 8 min, 10 min, etc.

[0038] Preferably, the adding method in step (2) is dropwise addition.

[0039] Preferably, the adding is carried out under conditions of heating in a water bath and stirring.

[0040] Preferably, the temperatures of the water bath heating are independently 25-40°C, for example, 25°C, 30°C, 35°C, 40°C, etc.

[0041] Preferably, the stirring rate is independently 800-1200 r / min, for example, 800 r / min, 900 r / min, 1000 r / min, 1100 r / min, 1200 r / min, etc., and the stirring time is independently 2-10 min, for example, 2 min, 4 min, 6 min, 8 min, 10 min, etc.

[0042] Preferably, the power of the ultrasonic emulsification is independently 100-200W, for example, 100W, 120W, 140W, 160W, 180W, 200W, etc., and the time of the ultrasonic emulsification is independently 2-10min, for example, 2min, 4min, 6min, 8min, 10min, etc.

[0043] Preferably, the loading method in step (3) includes injection addition.

[0044] Compared with the prior art, the present invention has at least the following beneficial effects:

[0045] The present invention adopts O1 / W / O2 type flavor-carrying double emulsion to load the flavor, and the obtained emulsion greatly reduces the volatilization of the flavor, has high stability, and has a sustained release effect; when the emulsion is further loaded on the filter segment and / or the cooling segment of the heated cigarette body, the flavor is slowly released, which effectively improves the flavor retention rate of the heated cigarette during storage and the flavor transfer rate and release consistency during smoking, and significantly improves the smoking quality. DETAILED DESCRIPTION

[0046] For the convenience of understanding the present invention, the present invention lists the following embodiments. It should be understood by those skilled in the art that the embodiments are only to help understand the present invention and should not be regarded as specific limitations of the present invention.

[0047] The flavor used in the following examples is menthol.

[0048] Example 1

[0049] The present embodiment provides a flavor-carrying heating cigarette, comprising a heating cigarette body and an O1 / W / O2 type flavor-carrying double emulsion (loading amount is 15 mg / cigarette), wherein the O1 / W / O2 type flavor-carrying double emulsion comprises an inner oil phase O1, an intermediate water phase W and an outer oil phase O2; the inner oil phase O1 comprises essence and a first solvent (caprylic decanoic acid glyceride); the intermediate water phase W comprises a water-soluble emulsifier (flaxseed gum, whey protein isolate and Tween80 in a mass ratio of 1:1.2:0.8) and water; the outer oil phase O2 comprises an oil-soluble emulsifier (Span 80) and a second solvent (propylene glycol); the O1 / W / O2 type flavor-carrying double emulsion is respectively loaded on the filter section and the cooling section of the heating cigarette body in a mass ratio of 1:2;

[0050] The preparation method of the flavor-carrying heated cigarette comprises the following steps:

[0051] (1) mixing the essence and the first solvent in a mass ratio of 1:0.2 to obtain an inner oil phase O1;

[0052] (2) mixing a water-soluble emulsifier and water in a mass ratio of 1:10.5, heating in a water bath at 35° C., and stirring at a speed of 1000 r / min for 5 min using a magnetic stirrer to obtain an intermediate layer aqueous phase W;

[0053] (3) mixing the oil-soluble emulsifier and the second solvent in a mass ratio of 1:9, heating in a water bath at 35° C., and stirring at a speed of 1000 r / min for 5 min using a magnetic stirrer to obtain an outer oil phase O2;

[0054] (4) Under heating and stirring conditions (35°C, 1000 r / min), the inner layer oil phase O1 was slowly dripped into the middle layer water phase W (the mass ratio of water phase W to oil phase O1 was 1:1.2), and stirring was continued for 5 minutes after the dropwise addition was completed. Then, ultrasonic emulsification was performed at 150 W for 5 minutes using an ultrasonic cell disruptor to obtain O1 / W colostrum;

[0055] (5) Under heating and stirring conditions (35°C, 1000 r / min), the O1 / W colostrum was slowly dripped into the outer oil phase O2 (the mass ratio of O1 / W colostrum to oil phase O2 was 1:1), and stirring was continued for 5 min after the dripping was completed. Then, ultrasonic emulsification was performed at 150 W for 5 min using an ultrasonic cell disruptor to obtain an O1 / W / O2 fragrance-carrying double emulsion;

[0056] (6) The O1 / W / O2 type flavor carrier double emulsion is uniformly applied to the filter section and the cooling section of the heated cigarette body by using a micro syringe to obtain the flavor carrier heated cigarette.

[0057] Example 2

[0058] The present embodiment provides a flavor-carrying heating cigarette, comprising a heating cigarette body and an O1 / W / O2 type flavor-carrying double emulsion (loading amount is 12 mg / cigarette), wherein the O1 / W / O2 type flavor-carrying double emulsion comprises an inner oil phase O1, an intermediate water phase W and an outer oil phase O2; the inner oil phase O1 comprises essence and a first solvent (ethanol); the intermediate water phase W comprises a water-soluble emulsifier (linseed gum, whey protein isolate and Tween 80 in a mass ratio of 1:1.5:0.5) and water; the outer oil phase O2 comprises an oil-soluble emulsifier (Span 80) and a second solvent (caprylic and capric glyceride); the O1 / W / O2 type flavor-carrying double emulsion is respectively loaded on the filter section and the cooling section of the heating cigarette body in a mass ratio of 1:1;

[0059] The preparation method of the flavor-carrying heated cigarette comprises the following steps:

[0060] (1) mixing the essence and the first solvent in a mass ratio of 1:0.5 to obtain an inner oil phase O1;

[0061] (2) mixing a water-soluble emulsifier and water in a mass ratio of 1:7, heating in a water bath at 25° C., and stirring at a speed of 1200 r / min for 3 min using a magnetic stirrer to obtain an intermediate layer aqueous phase W;

[0062] (3) mixing the oil-soluble emulsifier and the second solvent in a mass ratio of 1:12, heating in a water bath at 25° C., and stirring at a speed of 1200 r / min for 3 min using a magnetic stirrer to obtain an outer oil phase O2;

[0063] (4) Under heating and stirring conditions (25°C, 1200 r / min), the inner layer oil phase O1 was slowly dripped into the middle layer water phase W (the mass ratio of water phase W to oil phase O1 was 1:1.1), and stirring was continued for 3 minutes after the dropwise addition was completed. Then, ultrasonic emulsification was performed at 200 W for 3 minutes using an ultrasonic cell disruptor to obtain O1 / W colostrum;

[0064] (5) Under heating and stirring conditions (25°C, 1200 r / min), the O1 / W colostrum was slowly dripped into the outer oil phase O2 (the mass ratio of the O1 / W colostrum to the oil phase O2 was 1:1.2), and stirring was continued for 3 min after the dripping was completed. Then, ultrasonic emulsification was performed at 200 W for 3 min using an ultrasonic cell disruptor to obtain an O1 / W / O2 fragrance-carrying double emulsion;

[0065] (6) The O1 / W / O2 type flavor carrier double emulsion is uniformly applied to the filter section and the cooling section of the heated cigarette body by using a micro syringe to obtain the flavor carrier heated cigarette.

[0066] Example 3

[0067] The present embodiment provides a flavor-carrying heating cigarette, comprising a heating cigarette body and an O1 / W / O2 type flavor-carrying double emulsion (loading amount is 13 mg / cigarette), wherein the O1 / W / O2 type flavor-carrying double emulsion comprises an inner oil phase O1, an intermediate water phase W and an outer oil phase O2; the inner oil phase O1 comprises essence and a first solvent (caprylic and capric glyceride); the intermediate water phase W comprises a water-soluble emulsifier (flaxseed gum, whey protein isolate and Tween80 in a mass ratio of 1:0.5:1.5) and water; the outer oil phase O2 comprises an oil-soluble emulsifier (monoglycerol fatty acid ester) and a second solvent (triacetin); the O1 / W / O2 type flavor-carrying double emulsion is respectively loaded on the filter section and the cooling section of the heating cigarette body in a mass ratio of 1:2.75;

[0068] The preparation method of the flavor-carrying heated cigarette comprises the following steps:

[0069] (1) mixing the essence and the first solvent in a mass ratio of 1:0.15 to obtain an inner oil phase O1;

[0070] (2) mixing a water-soluble emulsifier and water in a mass ratio of 1:11.5, heating in a water bath at 40° C., and stirring at a speed of 800 r / min for 8 min using a magnetic stirrer to obtain an intermediate layer aqueous phase W;

[0071] (3) mixing the oil-soluble emulsifier and the second solvent in a mass ratio of 1:10, heating in a water bath at 40° C., and stirring at a speed of 800 r / min for 8 min using a magnetic stirrer to obtain an outer oil phase O2;

[0072] (4) Under heating and stirring conditions (40°C, 800 r / min), the inner layer oil phase O1 was slowly dripped into the middle layer water phase W (the mass ratio of water phase W to oil phase O1 was 1:1.5), and stirring was continued for 8 minutes after the dropwise addition was completed. Then, ultrasonic emulsification was performed at 100 W for 8 minutes using an ultrasonic cell disruptor to obtain O1 / W colostrum;

[0073] (5) Under heating and stirring conditions (40°C, 800 r / min), the O1 / W colostrum was slowly dripped into the outer oil phase O2 (the mass ratio of the O1 / W colostrum to the oil phase O2 was 1:0.8), and stirring was continued for 8 min after the dripping was completed. Then, ultrasonic emulsification was performed at 100 W for 8 min using an ultrasonic cell disruptor to obtain an O1 / W / O2 fragrance-carrying double emulsion;

[0074] (6) The O1 / W / O2 type flavor carrier double emulsion is uniformly applied to the filter section and the cooling section of the heated cigarette body by using a micro syringe to obtain the flavor carrier heated cigarette.

[0075] Example 4

[0076] This embodiment provides a flavor-carrying heating cigarette, which is different from Embodiment 1 only in that the water-soluble emulsifier in the O1 / W / O2 type flavor-carrying double emulsion lacks flaxseed gum, and its usage is distributed according to the ratio of whey protein isolate and Tween 80. For other references, refer to Embodiment 1.

[0077] Example 5

[0078] This embodiment provides a flavor-carrying heating cigarette, which is different from Embodiment 1 only in that the water-soluble emulsifier in the O1 / W / O2 type flavor-carrying double emulsion lacks whey protein isolate, and its usage is distributed according to the ratio of flaxseed gum and Tween 80. For other references, refer to Embodiment 1.

[0079] Example 6

[0080] This embodiment provides a flavor-carrying heating cigarette, which is different from Embodiment 1 only in that the water-soluble emulsifier in the O1 / W / O2 type flavor-carrying double emulsion lacks Tween 80, and its usage is distributed according to the ratio of flaxseed gum and whey protein isolate. For other matters, refer to Embodiment 1.

[0081] Example 7

[0082] This embodiment provides a flavor-carrying heating cigarette, which differs from Embodiment 1 only in that the O1 / W / O2 type flavor-carrying double emulsion is respectively loaded on the filter section and the cooling section of the heating cigarette body at a mass ratio of 1:0.5. The rest is referenced to Embodiment 1.

[0083] Example 8

[0084] This embodiment provides a flavor-carrying heating cigarette, which differs from Embodiment 1 only in that the O1 / W / O2 flavor-carrying double emulsion is respectively loaded on the filter section and the cooling section of the heating cigarette body in a mass ratio of 1:3.5. The rest is as in Embodiment 1.

[0085] Example 9

[0086] This embodiment provides a flavor-carrying heated cigarette, which differs from Embodiment 1 only in that the total loading amount of the O1 / W / O2 type flavor-carrying double emulsion is kept unchanged and is only loaded on the filter segment of the heated cigarette body. For other matters, refer to Embodiment 1.

[0087] Example 10

[0088] This embodiment provides a flavor-carrying heated cigarette, which differs from Embodiment 1 only in that the total loading amount of the O1 / W / O2 type flavor-carrying double emulsion is kept unchanged and is only loaded on the cooling section of the heated cigarette body. For other matters, refer to Embodiment 1.

[0089] Comparative Example 1

[0090] This comparative example provides a flavor-carrying heating cigarette, which differs from Example 1 only in that the total loading amount of the O1 / W / O2 type flavor-carrying double emulsion is kept unchanged and is only loaded on the tobacco core segment of the heating cigarette body. The rest is reference to Example 1.

[0091] Comparative Example 2

[0092] This comparative example provides a flavor-carrying heating cigarette, which differs from Example 1 only in that the flavor loading amount is kept unchanged, and the flavor is directly loaded on the filter section and the cooling section of the heating cigarette body. The rest is reference to Example 1.

[0093] Test Example 1

[0094] Flavor retention rate, smoke transfer rate, and puff-by-puff transfer test

[0095] Test method:

[0096] (1) Fragrance retention test

[0097] The heated cigarette samples of the above-mentioned embodiment and comparative example stored for 30 days were sampled, 8 cigarettes were taken from each, the filter section, the cooling section, and the cigarette core section were separated, and the content m of the representative components of the flavor in each section of the cigarette was detected by GC-MS analysis, and the flavor retention rate (α) was calculated according to the following formula:

[0098] Where m t It represents the sum of the flavor contents in each segment of the cigarette at 30 days; m0 represents the sum of the flavor contents in each segment of the cigarette at 0 days.

[0099] (2) Smoke transfer rate test

[0100] The heated cigarette samples of the above-mentioned examples and comparative examples were smoked, and the smoking mode was: 55 mL of smoking volume, 2 s of duration, 30 s of smoking interval, and 10 puffs; 4 cigarettes were smoked in each round, and the total smoke release was captured with a Cambridge filter with a diameter of 44 mm, and the test was repeated 3 times in parallel. The content m of the representative components of flavor in the mainstream smoke was detected by GC-MS analysis, and the mainstream smoke transfer rate (β) was calculated according to the following formula:

[0101] Where m q It represents the flavor content transferred into the smoke after puffing; m1 represents the sum of the flavor contents in each section of the cigarette before puffing.

[0102] (3) Port-by-port transfer volume test

[0103] The heated cigarette samples of the above-mentioned embodiments and comparative examples were smoked, and the smoking mode was: smoking volume 55 mL, duration 2 s, smoking interval 30 s, and 10 puffs; 4 cigarettes were smoked in each round, and the total smoke release was captured with a Cambridge filter with a diameter of 44 mm. The test was repeated 3 times in parallel, and the content m of the representative components of the flavor in the mainstream smoke was detected by GC-MS analysis.

[0104] The test results are summarized in Table 1.

[0105] Table 1

[0106] sample Fragrance retention rate (%) Smoke transfer rate (%) Example 1 90.2 32.1 Example 2 93.8 32.7 Example 3 92.5 31.4 Example 4 86.9 27.8 Example 5 87.6 28.3 Example 6 86.3 28.6 Example 7 92.0 25.0 Example 8 90.8 25.7 Example 9 90.1 23.1 Example 10 91.4 23.2 Comparative Example 1 92.3 21.0 Comparative Example 2 63.6 20.7

[0107] Table 2

[0108]

[0109] The test results show that:

[0110] (1) It can be seen from Examples 1 to 10 that the present invention can effectively improve the flavor retention rate in the cigarette by loading the O1 / W / O2 type flavor-carrying double emulsion on the filter segment and the cooling segment of the heated cigarette, and can also improve the flavor transfer rate and the consistency of the puff-by-puff release of the heated cigarette during the smoking process, thereby improving the smoking quality.

[0111] (2) By comparing Example 1 with Examples 4-6, it can be seen that the present invention can further improve various properties of cigarettes by rationally compounding the water-soluble emulsifier in the O1 / W / O2 type flavor-carrying double emulsion;

[0112] By comparing Example 1 with Examples 7-10, it can be seen that, by loading the O1 / W / O2 type flavor-carrying double emulsion in a suitable proportion on the filter segment and the cooling segment of the heating cigarette at the same time, the consistency of flavor release from each puff of the obtained cigarette during the smoking process is further improved.

[0113] (3) By comparing Example 1 with Comparative Examples 1-2, it can be seen that when the O1 / W / O2 type flavor-carrying double emulsion is loaded on the cigarette core segment or the flavor is directly loaded on the heated cigarette, the flavor retention rate, smoke transfer rate and puff-to-puff transfer consistency of the resulting cigarette are reduced.

[0114] Test Example 2

[0115] Sensory evaluation

[0116] Sampling was carried out in accordance with the sampling method in GB5606.4-2005 "Cigarette Part 4: Sensory Technical Requirements", and sensory quality evaluation indicators and smoke stability indicators were set respectively. Seven sensory evaluators were organized to conduct evaluation and scoring based on the evaluation contents and judgment criteria in Table 3 and Table 4. The scoring of sensory quality indicators was based on a percentage system.

[0117] The sensory quality evaluation indicators are: smoke volume, aroma, uniformity, strength, irritation and aftertaste; the weights of each indicator are 15%, 30%, 30%, 10%, 10% and 5% respectively; the specific definitions of the 6 sensory quality evaluation indicators are shown in Table 3, the evaluation criteria of the 6 sensory quality evaluation indicators are shown in Table 4, and the specific results are shown in Table 5.

[0118] Table 3

[0119]

[0120]

[0121] Table 4

[0122]

[0123] Table 5

[0124]

[0125]

[0126] The test results show that:

[0127] (1) It can be seen from Examples 1 to 10 that the present invention loads the O1 / W / O2 type flavor-carrying double emulsion on the filter segment and the cooling segment of the heated cigarette, so that the obtained heated cigarette has higher sensory quality.

[0128] (2) By comparing Example 1 with Examples 4-6, it can be seen that the present invention can further improve the sensory quality of cigarettes by rationally compounding the water-soluble emulsifier in the O1 / W / O2 type flavor-carrying double emulsion;

[0129] By comparing Example 1 with Examples 7-10, it can be seen that when the O1 / W / O2 type flavor-carrying double emulsion is matched with a suitable ratio and simultaneously loaded on the filter segment and the cooling segment of the heating cigarette, the sensory quality of the obtained cigarette is better.

[0130] (3) By comparing Example 1 with Comparative Examples 1-2, it can be seen that when the O1 / W / O2 type flavor-carrying double emulsion is loaded on the cigarette core segment or the flavor is directly loaded on the heated cigarette, the uniformity, aroma and aftertaste characteristic scores of the obtained cigarette are reduced, and the sensory quality of the cigarette is reduced.

[0131] The applicant declares that the above is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention shall fall within the protection scope and disclosure scope of the present invention.

Claims

1. A flavor-carrying heated cigarette, characterized in that: The flavor-carrying heated cigarette comprises a heated cigarette body and an O1 / W / O2 type flavor-carrying double emulsion, wherein the O1 / W / O2 type flavor-carrying double emulsion is loaded on the filter section and / or the cooling section of the heated cigarette body.

2. The flavor-carrying heated cigarette according to claim 1, characterized in that: The loading amount of the O1 / W / O2 type flavor-carrying double emulsion in the heated cigarette body is 10-20 mg / cigarette, preferably 12-15 mg / cigarette.

3. The flavor-carrying heated cigarette according to claim 1 or 2, characterized in that: The O1 / W / O2 type flavor-carrying double emulsion is loaded on the filter section and the cooling section of the heating cigarette body; Preferably, the loading mass ratio of the O1 / W / O2 type flavor-carrying double emulsion in the filter section and the cooling section is 1:(0.5-3.5), preferably 1:(1-2.75).

4. The flavor-carrying heated cigarette according to any one of claims 1 to 3, characterized in that: The O1 / W / O2 type fragrance-carrying double emulsion comprises an inner oil phase O1, an intermediate water phase W and an outer oil phase O2; the inner oil phase O1 comprises essence and a first solvent; the intermediate water phase W comprises a water-soluble emulsifier and water; the outer oil phase O2 comprises an oil-soluble emulsifier and a second solvent.

5. The flavor-carrying heated cigarette according to claim 4, characterized in that: The water-soluble emulsifier includes any one or a combination of at least two of flaxseed gum, whey protein isolate, Tween 80, soy lecithin, sodium caseinate, sucrose ester or sodium dodecylbenzene sulfonate, preferably a combination of flaxseed gum, whey protein isolate and Tween 80; Preferably, the mass ratio of flaxseed gum, whey protein isolate and Tween 80 is 1:(0.5-1.5):(0.5-1.5); Preferably, the oil-soluble emulsifier includes any one of Span 80, monoglycerol fatty acid ester or sucrose fatty acid ester, or a combination of at least two thereof.

6. The flavor-carrying heated cigarette according to claim 4 or 5, characterized in that: The first solvent includes any one of ethanol, propylene glycol or caprylic acid glyceride or a combination of at least two thereof; Preferably, the second solvent comprises any one of propylene glycol, triacetin or caprylic decanoic acid glyceride, or a combination of at least two thereof.

7. The flavor-carrying heated cigarette according to any one of claims 4 to 6, characterized in that: The mass ratio of the essence to the first solvent is 1:(0.1-1.2), preferably 1:(0.15-0.5); Preferably, the mass ratio of the water-soluble emulsifier to water is 1:(7-19), preferably 1:(7-11.5); Preferably, the mass ratio of the oil-soluble emulsifier to the second solvent is 1:(7-19), preferably 1:(9-12); Preferably, the mass ratio of the intermediate layer water phase W to the inner layer oil phase O1 is 1:(0.5-1.5), preferably 1:(1-1.5); Preferably, the mass ratio of the sum of the inner oil phase O1 and the middle water phase W to the outer oil phase O2 is 1:(0.5-1.5), preferably 1:(0.8-1.2).

8. A method for preparing the flavor-carrying heated cigarette according to any one of claims 1 to 7, characterized in that: The preparation method comprises the following steps: (1) Mixing the essence and the first solvent to obtain an inner oil phase O1; mixing the water-soluble emulsifier and water to obtain an intermediate water phase W; mixing the oil-soluble emulsifier and the second solvent to obtain an outer oil phase O2; (2) adding the inner layer oil phase O1 to the middle layer water phase W, and after ultrasonic emulsification, obtaining O1 / W type colostrum; adding the O1 / W type colostrum to the outer layer oil phase O2, and after ultrasonic emulsification, obtaining O1 / W / O2 type fragrance-carrying double emulsion; (3) Loading the O1 / W / O2 type flavor-carrying double emulsion on the filter segment and / or the cooling segment of the heating cigarette body to obtain the flavor-carrying heating cigarette.

9. The preparation method according to claim 8, characterized in that: In step (1), the water-soluble emulsifier and water are mixed or the oil-soluble emulsifier and the second solvent are mixed, and the mixing is carried out under conditions of heating and stirring in a water bath; Preferably, the temperature of the water bath heating is independently 25-40°C; Preferably, the stirring rate is independently 800-1200 r / min, and the stirring time is independently 2-10 min.

10. The preparation method according to claim 8 or 9, characterized in that: The adding method in step (2) is dropwise addition; Preferably, the adding is carried out under conditions of heating in a water bath and stirring; Preferably, the temperature of the water bath heating is independently 25-40°C; Preferably, the stirring rate is independently 800-1200 r / min, and the stirring time is independently 2-10 min; Preferably, the power of the ultrasonic emulsification is independently 100-200W, and the time of the ultrasonic emulsification is independently 2-10min; Preferably, the loading method in step (3) includes injection addition.

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