CN107927900B - A method for improving the concentration of particle size distribution of cigarette aerosol - Google Patents
A method for improving the concentration of particle size distribution of cigarette aerosol Download PDFInfo
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- 239000000443 aerosol Substances 0.000 title claims abstract description 74
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 59
- 239000002245 particle Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000000654 additive Substances 0.000 claims abstract description 46
- 230000000996 additive effect Effects 0.000 claims abstract description 34
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 24
- RHDGNLCLDBVESU-UHFFFAOYSA-N but-3-en-4-olide Chemical compound O=C1CC=CO1 RHDGNLCLDBVESU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 241000208125 Nicotiana Species 0.000 claims description 27
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 27
- 239000000243 solution Substances 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 7
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 5
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 231100000252 nontoxic Toxicity 0.000 claims description 3
- 230000003000 nontoxic effect Effects 0.000 claims description 3
- 239000001087 glyceryl triacetate Substances 0.000 claims description 2
- 235000013773 glyceryl triacetate Nutrition 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 229960002622 triacetin Drugs 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 44
- 230000001953 sensory effect Effects 0.000 abstract description 14
- 230000008021 deposition Effects 0.000 abstract description 5
- 210000004072 lung Anatomy 0.000 abstract description 4
- 210000000214 mouth Anatomy 0.000 abstract description 4
- 210000003928 nasal cavity Anatomy 0.000 abstract description 4
- 210000002345 respiratory system Anatomy 0.000 abstract description 4
- 239000013068 control sample Substances 0.000 description 19
- 230000003247 decreasing effect Effects 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 4
- 150000008064 anhydrides Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/12—Steaming, curing, or flavouring tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
Description
技术领域technical field
本发明属于卷烟技术领域，具体是一种提高卷烟气溶胶粒径分布集中度的方法。The invention belongs to the technical field of cigarettes, in particular to a method for improving the concentration of particle size distribution of cigarette aerosols.
背景技术Background technique
卷烟烟气是数千种化学成分组成的气溶胶，由不同粒径大小的颗粒物构成，气溶胶粒子具有分布不均匀、变化尺度小、复杂性的特点，其质量粒径分布通常符合对数正态分布函数。由于不同粒径的气溶胶颗粒在人体呼吸系统的沉积状况不同，相对来说大粒径气溶胶颗粒大多数残留在口腔和鼻腔，对烟气感官品质影响较大；小粒径气溶胶主要在肺部和气管中沉积，对健康影响较大，因此改变卷烟烟气气溶胶的粒径分布，能够改变烟气的感官质量、以及对人体健康的影响。通过调节气溶胶的粒径分布，使卷烟气溶胶粒径分布集中，可实现小粒径气溶胶分布减少，中间粒径气溶胶分布增加，给卷烟吸食者带来不同的感官体验，并提高卷烟烟气的安全性。目前未见报道提高卷烟烟气气溶胶分布集中度的方法。Cigarette smoke is an aerosol composed of thousands of chemical components. It is composed of particles of different particle sizes. Aerosol particles have the characteristics of uneven distribution, small change scale and complexity. The mass particle size distribution usually conforms to the logarithmic positive. state distribution function. Due to the different deposition conditions of aerosol particles of different particle sizes in the human respiratory system, relatively speaking, most of the large-sized aerosol particles remain in the oral cavity and nasal cavity, which has a greater impact on the sensory quality of smoke; small-sized aerosols are mainly in the Deposition in the lungs and trachea has a greater impact on health, so changing the particle size distribution of cigarette smoke aerosol can change the sensory quality of smoke and its impact on human health. By adjusting the particle size distribution of aerosol, the particle size distribution of cigarette aerosol can be concentrated, the distribution of small particle size aerosol can be reduced, and the distribution of middle particle size aerosol can be increased, bringing different sensory experience to cigarette smokers and improving cigarette smokers. Smoke safety. There is no report on the method of improving the distribution concentration of cigarette smoke aerosol.
发明内容SUMMARY OF THE INVENTION
本发明的目的正是基于上述现有技术的不足和卷烟烟气调节技术的需求，提供一种高卷烟气溶胶粒径分布集中度的方法，该方法可以减小小粒径气溶胶的分布，增加中间粒径气溶胶粒子的分布，使烟气气溶胶在中间粒径的分布更加集中，从而增加烟气气溶胶在口腔和鼻腔的沉积，减少进入呼吸道和肺部的小粒径烟气气溶胶，提升烟气的感官品质，并提高卷烟烟气的安全性。The object of the present invention is to provide a method for a high degree of concentration of cigarette aerosol particle size distribution based on the deficiencies of the above-mentioned prior art and the requirements of cigarette smoke conditioning technology, which can reduce the distribution of small particle size aerosols, Increase the distribution of intermediate particle size aerosol particles, so that the distribution of smoke aerosol in the intermediate particle size is more concentrated, thereby increasing the deposition of smoke aerosol in the oral cavity and nasal cavity, and reducing the small particle size smoke entering the respiratory tract and lungs. Sol, enhance the sensory quality of smoke, and improve the safety of cigarette smoke.
本发明的目的是这样实现的，提高卷烟气溶胶粒径分布集中度的方法按以下步骤进行：The purpose of this invention is to realize like this, and the method that improves the concentration degree of particle size distribution of cigarette aerosol is carried out according to the following steps:
步骤（1）将添加剂用溶剂溶解后配制成质量浓度25～50%的溶液；中所述的添加剂由丙三醇和呋喃酮组成，二者比例为50:1～200:1；中所述的溶剂为无毒常用液体，乙醇或三醋酸甘油酯或体积比为1:1的乙醇-水混合溶液；Step (1) Dissolve the additive in a solvent and prepare a solution with a mass concentration of 25 to 50%; the additive described in the above is composed of glycerol and furanone, and the ratio of the two is 50:1 to 200:1; The solvent is a non-toxic common liquid, ethanol or triacetin or ethanol-water mixed solution with a volume ratio of 1:1;
步骤（2）将步骤（1）中配制的添加剂溶液添加于烟支的不同部位，最终添加剂在每支卷烟中的理论加入量为0.05～15 mg，具体在不同部位的添加量根据每支卷烟中所用烟叶、烟丝、滤嘴丝束或卷烟纸重量进行换算。Step (2) Add the additive solution prepared in step (1) to different parts of the cigarette, and the theoretical addition amount of the final additive in each cigarette is 0.05-15 mg, and the specific addition amount in different parts is based on each cigarette. The weight of tobacco leaves, shredded tobacco, filter tow or cigarette paper used in the
步骤（2）中所述添加剂溶液添加于卷烟烟支的烟丝、卷烟纸、滤嘴丝束等不同部位，或同时添加于多个部位。In step (2), the additive solution is added to different parts of the cigarette, such as cut tobacco, cigarette paper, filter tow, etc., or added to multiple parts at the same time.
所述的添加剂溶液的添加方式有如下几种：The addition methods of the additive solution are as follows:
A、将配制的添加剂溶液在烟叶加料过程中喷洒到烟叶上，再按照常规制丝工艺制成烟丝；A, the additive solution of preparation is sprayed on the tobacco leaf during the tobacco leaf feeding process, and then according to the conventional silk-making process, the cut tobacco is made;
B、将配制的添加剂溶液在烟丝加香过程中喷洒到烟丝上；B, the additive solution of preparation is sprayed on the cut tobacco during the tobacco perfuming process;
C、将配制的添加剂溶液在滤棒成型过程中喷洒到滤嘴丝束上，再按常规工艺制成滤棒；C. Spray the prepared additive solution on the filter tow during the filter rod forming process, and then make the filter rod according to the conventional process;
D、将配制的添加剂溶液负载到卷烟纸内表面。D. Load the prepared additive solution on the inner surface of the cigarette paper.
本发明具备的优点及效果：该方法简单、易操作，通过在烟丝、卷烟纸、滤嘴丝束中按一定比例添加由丙三醇和呋喃酮组成的添加剂后，改变了烟气气溶胶的形成，并使小粒径气溶胶质量减小，大粒径气溶胶质量基本不变，从而减小小粒径气溶胶的分布，增加中间粒径气溶胶粒子的分布，从而实现烟气气溶胶在中间粒径的分布更加集中，增加烟气气溶胶在口腔和鼻腔的沉积，使卷烟烟气更加丰满，提升烟气的感官品质，并减少进入呼吸道和肺部的小粒径烟气气溶胶，提高卷烟烟气的安全性。Advantages and effects of the present invention: the method is simple and easy to operate, and after adding additives composed of glycerol and furanone in a certain proportion to cut tobacco, cigarette paper and filter tow, the formation of smoke aerosol is changed. , and reduce the quality of small-sized aerosols, while the quality of large-sized aerosols is basically unchanged, thereby reducing the distribution of small-sized aerosols and increasing the distribution of intermediate-sized aerosol particles, so as to realize the smoke aerosol in the The distribution of the intermediate particle size is more concentrated, increasing the deposition of smoke aerosol in the oral cavity and nasal cavity, making the cigarette smoke more plump, improving the sensory quality of the smoke, and reducing the small particle size smoke aerosol entering the respiratory tract and lungs. Improve the safety of cigarette smoke.
附图说明Description of drawings
图1 为烟叶添加添加剂后其烟气气溶胶粒径分布与对照样的对比图。Figure 1 shows the comparison of the particle size distribution of tobacco smoke aerosol after adding additives to the control sample.
图2为烟丝添加添加剂后其烟气气溶胶粒径分布与对照样的对比图。Figure 2 is a comparison diagram of the particle size distribution of the smoke aerosol after adding additives to the cut tobacco and the control sample.
图3为滤嘴丝束添加添加剂后其烟气气溶胶粒径分布与对照样的对比图。Figure 3 is a comparison diagram of the particle size distribution of the smoke aerosol after adding additives to the filter tow and the control sample.
图4为卷烟纸添加添加剂后其烟气气溶胶粒径分布与对照样的对比图。Figure 4 is a comparison diagram of the particle size distribution of the smoke aerosol after adding additives to the cigarette paper and the control sample.
具体实施方式Detailed ways
本领域技术人员将会理解，下列实施例仅用于说明本发明，而不应视为限定本发明的范围。实施例中所用装置均为常规设备的组合，实施例中未注明具体技术或条件者，按照本领域内的文献所描述的技术或条件或者按照产品说明书进行。下面通过实施例对本发明做进一步说明。Those skilled in the art will understand that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention. The devices used in the examples are all combinations of conventional equipment. If no specific technology or conditions are specified in the examples, the technology or conditions described in the literature in the field or the product instructions are used. The present invention will be further illustrated by the following examples.
实施例1Example 1
将丙三醇和呋喃酮比例为100:1组成的添加剂，用体积比为1:1的乙醇-水为溶剂配制成质量浓度为25%的添加剂溶液，在烟叶加料过程中按照每千克烟叶喷洒92.3克添加剂溶液到烟叶上，再按照常规制丝工艺制成烟丝，并卷制成卷烟，每支烟之中添加剂的理论加入量为15mg（每支卷烟中的烟叶用量按照0.65 g计）。The additive that the ratio of glycerol and furanone is 100:1 is used to prepare an additive solution with a mass concentration of 25% by using ethanol-water with a volume ratio of 1:1 as a solvent. Add gram additive solution to tobacco leaves, and then make cut tobacco according to the conventional silk making process, and roll it into cigarettes. The theoretical addition amount of additives in each cigarette is 15mg (the amount of tobacco leaves in each cigarette is calculated according to 0.65g).
对照样：将体积比为1:1的乙醇-水在烟叶加料过程中喷洒到烟叶上，再按照常规制丝工艺制成烟丝，并卷制成卷烟，每支烟之中乙醇-水的加入量与添加样中所用量相同。Control sample: ethanol-water with a volume ratio of 1:1 was sprayed on the tobacco leaves during the feeding process of the tobacco leaves, and then cut tobacco was made according to the conventional silk-making process, and rolled into cigarettes. The addition of ethanol-water in each cigarette The amount is the same as that used in the spiked sample.
图1为添加了添加剂的卷烟烟气气溶胶粒径分布与对照样的对比图，可以看出烟气中小粒径气溶胶质量减少0.46 mg/cig，中间粒径气溶胶质量增加0.67 mg/cig，大粒径气溶胶质量基本不变，从而使小粒径气溶胶质量分布减少7.5%，中间粒径气溶胶质量分布增加7.7%，大粒径气溶胶质量分布基本不变，从而使烟气气溶胶分布与对照相比向中间粒径集中。此外，感官评吸表明添加样与对照样相比，其烟气更为丰满，烟气形态变长，蓬松感增加，感官质量明显提升。Figure 1 is a comparison of the particle size distribution of cigarette smoke aerosols with additives and the control sample. It can be seen that the mass of small particle size aerosols in the smoke is reduced by 0.46 mg/cig, and the mass of middle particle size aerosols is increased by 0.67 mg/cig , the mass distribution of large particle size aerosols is basically unchanged, so that the mass distribution of small particle size aerosols is reduced by 7.5%, the mass distribution of intermediate particle size aerosols is increased by 7.7%, and the mass distribution of large particle size aerosols is basically unchanged. The aerosol distribution was concentrated towards the middle particle size compared to the control. In addition, the sensory evaluation showed that compared with the control sample, the smoke of the added sample was more plump, the smoke shape became longer, the fluffy feeling was increased, and the sensory quality was significantly improved.
实施例2Example 2
将丙三醇和呋喃酮比例为50:1组成的添加剂用纯乙醇配制成质量浓度为40%的添加剂溶液，将配制的添加剂溶液在烟丝加香过程中按照每千克烟丝喷洒0.2克添加剂溶液喷洒到烟丝上，并卷制成卷烟，每支卷烟中添加剂的理论加入量为0.05 mg（每支卷烟中的烟丝用量按照0.63 g计）。The additive composed of glycerol and furanone in a ratio of 50:1 is prepared with pure ethanol into an additive solution with a mass concentration of 40%, and the prepared additive solution is sprayed in the tobacco shredded process according to 0.2 grams per kilogram of shredded tobacco. The theoretical dosage of additives in each cigarette is 0.05 mg (the amount of shredded tobacco in each cigarette is calculated as 0.63 g).
对照样：将乙醇在烟丝加香过程中喷洒到烟丝上，并卷制成卷烟，每支卷烟中乙醇的加入量与添加样中所用量相同。Control sample: ethanol was sprayed on the cut tobacco during the tobacco flavoring process, and rolled into cigarettes. The amount of ethanol added in each cigarette was the same as that used in the added sample.
图2为添加了添加剂的卷烟烟气气溶胶粒径分布与对照样的对比图，结果表明烟气中小于0.3 μm的气溶胶质量减少了0.15 mg/cig，0.4 μm的气溶胶质量增加了0.12 mg/cig，大于0.7μm的气溶胶质量基本不变；从质量分布看，小于0.3 μm的气溶胶质量比例减小2.2%，0.4 μm的气溶胶质量质量比例增加1.7%，大于0.7μm的气溶胶质量比例基本不变，烟气气溶胶分布与对照相比向中间粒径集中。此外，感官评吸表明添加样与对照样相比，其烟气更为充足，感官质量优于对照样。Figure 2 shows the comparison of the particle size distribution of cigarette smoke aerosols with additives and the control sample. The results show that the mass of aerosols smaller than 0.3 μm in the smoke is reduced by 0.15 mg/cig, and the mass of aerosols of 0.4 μm is increased by 0.12 mg/cig, the mass of aerosols larger than 0.7 μm is basically unchanged; from the perspective of mass distribution, the mass ratio of aerosols smaller than 0.3 μm is reduced by 2.2%, the mass ratio of aerosols of 0.4 μm is increased by 1.7%, and the mass ratio of aerosols larger than 0.7 μm is increased by 1.7%. The mass ratio of the sol remained basically unchanged, and the distribution of the aerosol in the smoke was concentrated towards the middle particle size compared with the control. In addition, the sensory evaluation showed that the smoke of the added sample was more abundant than that of the control sample, and the sensory quality was better than that of the control sample.
实施例3Example 3
将丙三醇和呋喃酮比例为150:1组成的添加剂，用三醋酸酐油脂为溶剂配制成质量浓度为30%的添加剂溶液，将配制的添加剂溶液在滤棒成型过程中按照每千克丝束喷洒119.0克添加剂溶液喷洒到滤嘴丝束上，再按常规工艺制成滤棒，最终卷制成卷烟，每支烟之中添加剂的理论加入量为5mg（每支卷烟中的丝束用量按照0.14 g计）。The additive composed of glycerol and furanone in a ratio of 150:1 was prepared into an additive solution with a mass concentration of 30% by using triacetic anhydride grease as a solvent, and the prepared additive solution was sprayed according to each kilogram of tow during the filter rod forming process. 119.0 grams of additive solution was sprayed on the filter tow, and then made into a filter rod according to the conventional process, and finally rolled into cigarettes. g meter).
对照样：将三醋酸酐油脂在滤棒成型过程中喷洒到滤嘴丝束上，再按常规工艺制成滤棒，最终卷制成卷烟每支烟之中三醋酸酐油脂的加入量与添加样中所用量相同。Control sample: The triacetic anhydride oil was sprayed on the filter tow during the filter rod forming process, and then made into a filter rod according to the conventional process, and finally rolled into a cigarette. The addition amount and addition of triacetic anhydride oil in each cigarette The amount used in the sample is the same.
图3为添加了添加剂的卷烟烟气气溶胶粒径分布与对照样的对比图，可以看出烟气中小于0.3 μm的气溶胶质量减少了0.37 mg/cig，0.4 μm的气溶胶质量增加了0.37mg/cig，大于0.7μm的气溶胶质量减小0.10 mg/cig；从质量分布看，小于0.3 μm的气溶胶质量比例减小5.1%，0.4 μm的气溶胶质量质量比例增加6.4%，大于0.7μm的气溶胶质量比例减小1.3%，烟气气溶胶分布与对照相比明显向中间粒径集中。此外，感官评吸表明添加样与对照样相比，其香气丰满、蓬松，感官质量比对照样提升。Figure 3 is a comparison of the particle size distribution of cigarette smoke aerosols with additives and the control sample. It can be seen that the mass of aerosols smaller than 0.3 μm in the smoke decreased by 0.37 mg/cig, and the mass of aerosols of 0.4 μm increased. 0.37 mg/cig, the mass of aerosols larger than 0.7 μm decreased by 0.10 mg/cig; from the perspective of mass distribution, the mass proportion of aerosols smaller than 0.3 μm decreased by 5.1%, and the mass proportion of aerosols of 0.4 μm increased by 6.4%, more than The mass ratio of 0.7 μm aerosol decreased by 1.3%, and the distribution of smoke aerosol was obviously concentrated to the middle particle size compared with the control. In addition, the sensory evaluation showed that the added sample had a plump and fluffy aroma compared with the control sample, and the sensory quality was improved compared with the control sample.
实施例4Example 4
将丙三醇和呋喃酮比例为200:1组成的添加剂，用纯乙醇为溶剂配制成质量浓度为50%的添加剂溶液，将配制的添加剂溶液按照每千克卷烟纸添加40克添加剂溶液负载到卷烟纸内表面，再按常规工艺制卷制成卷烟，每支烟之中添加剂的理论加入量为1mg（每支卷烟中的卷烟纸用量按照0.05 g计）。The additive composed of glycerol and furanone in a ratio of 200:1 is prepared into an additive solution with a mass concentration of 50% by using pure ethanol as a solvent, and the prepared additive solution is added to the cigarette paper according to 40 grams of additive solution per kilogram of cigarette paper. The inner surface is then rolled into cigarettes according to the conventional process. The theoretical addition amount of additives in each cigarette is 1 mg (the amount of cigarette paper in each cigarette is calculated as 0.05 g).
对照样：将乙醇负载到卷烟纸内表面，再按常规工艺制卷制成卷烟，每支烟之中乙醇的加入量与添加样中所用量相同。Control sample: load ethanol on the inner surface of cigarette paper, and then roll it into cigarettes according to the conventional process. The amount of ethanol added in each cigarette is the same as that used in the added sample.
图4为添加了添加剂的卷烟烟气气溶胶粒径分布与对照样的对比图，可以看出烟气中小于0.3 μm的气溶胶质量减少了0.16 mg/cig，0.4 μm的气溶胶质量增加了0.15 mg/cig，大于0.7μm的气溶胶质量减小0.03 mg/cig；从质量分布看，小于0.3 μm的气溶胶质量比例减小2.2%，0.4 μm的气溶胶质量质量比例增加2.6%，大于0.7μm的气溶胶质量比例减小0.4%，烟气气溶胶分布与对照相比向中间粒径集中。此外，感官评吸表明添加样与对照样相比，其烟气香气量足，香气丰满，感官质量比对照样提升。Figure 4 shows the comparison of the particle size distribution of the cigarette smoke aerosol with additives and the control sample. It can be seen that the mass of aerosols smaller than 0.3 μm in the smoke decreased by 0.16 mg/cig, and the mass of aerosols of 0.4 μm increased. 0.15 mg/cig, the mass of aerosols larger than 0.7 μm decreased by 0.03 mg/cig; from the perspective of mass distribution, the mass proportion of aerosols smaller than 0.3 μm decreased by 2.2%, and the mass proportion of aerosols of 0.4 μm increased by 2.6%, more than The mass ratio of aerosols of 0.7 μm decreased by 0.4%, and the distribution of smoke aerosols was concentrated towards the middle particle size compared with the control. In addition, the sensory evaluation showed that compared with the control sample, the smoke aroma of the added sample was sufficient, the aroma was plump, and the sensory quality was improved compared with the control sample.
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本发明不受上述实施例的限制，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。The foregoing has shown and described the basic principles, main features and advantages of the present invention. The present invention is not limited by the above-mentioned embodiments, and on the premise of not departing from the spirit and scope of the present invention, the present invention will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.
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