Composite filter stick for cigarette, preparation method and cigarette

Abstract

The invention discloses a composite filter stick for a cigarette, a preparation method and the cigarette. The provided composite filter stick for the cigarette comprises (a) an aroma enhancement section and (b) one or two of a common tow section and a hollow section, wherein a preparation method of the aroma enhancement section comprises the following steps: performing steam explosion treatment, drying and crushing on multicoloured leaves to prepare aroma enhancement particulate matters; and uniformly adding the aroma-enhancing particulate matter into the first cigarette filter rod tow to prepare the aroma-enhancing section. According to the provided composite filter stick for the cigarette, the gorgeous leaves are treated through the steam explosion technology to prepare aroma-enhancing particulate matter, the green grass offensive odor of the gorgeous leaves is effectively removed, meanwhile, the tissue of the particles is looser, and aroma components contained in the particles are easier to release. Cigarettes prepared by the obtained composite filter stick for the cigarettes have obvious faint scent, fruit fragrance, spicy fragrance, costustoot fragrance, green fragrance, flower fragrance, medicinal herb fragrance and sweet fragrance, the fragrance is plump, the fineness becomes good, and the smoke irritation is reduced.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of cigarette manufacturing, and relates to a composite filter rod for cigarettes, a preparation method and a cigarette. BACKGROUND

[0002] A filter rod for cigarettes is an important component of a cigarette and is located at the smoking end of the cigarette. In addition to effectively intercepting particulate phase substances in smoke, in recent years, it has been widely used as a carrier for flavoring cigarettes to increase the amount of aroma of the cigarette or impart special aroma to the cigarette, so as to realize differentiation of the style of the cigarette. The most common methods include adding flavoring particles and liquid flavorings.

[0003] Pandanus amaryllifolius Roxb, also known as fragrant pandanus, is a tropical green plant. It has a unique natural fragrance, and the leaves are rich in active ingredients such as squalene, linoleic acid, artemisia oil and sterols, and therefore have multiple effects such as enhancing cell vitality, accelerating metabolism, improving human immunity and inhibiting the growth of cancer cells. Pandanus amaryllifolius Roxb is not only used for cooking, but also widely used for making pastries, drinks, candies and the like, and its unique “tangy aroma” can add a fresh sweet taste to food. So far, there has been no related report on using Pandanus amaryllifolius Roxb to flavor cigarettes. SUMMARY

[0004] Based on this, in some embodiments of the present application, a composite filter rod for cigarettes, a preparation method and a cigarette are provided.

[0005] In some embodiments, a composite filter rod for cigarettes is provided, comprising: (a) a flavoring segment, and (b) one or both of a common tow segment and a hollow segment.

[0006] The preparation method of the flavoring segment comprises the following steps:

[0007] The Pandanus amaryllifolius Roxb is subjected to steam explosion treatment, drying and crushing to prepare flavoring particulate matter.

[0008] The flavoring particulate matter is uniformly added to the first cigarette filter rod tow to prepare the flavoring segment.

[0009] In some embodiments, the composite filter rod for cigarettes satisfies one or both of the following conditions:

[0010] (1) The particle size of the flavoring particulate matter is 30-80 mesh.

[0011] (2) In the flavoring segment, the mass of the flavoring particulate matter is 4%-16% of the mass of the first cigarette filter rod tow.

[0012] In some embodiments, the composite filter rod for cigarettes satisfies one or more of the following conditions:

[0013] (1) the length of the flavoring segment is 10 mm to 15 mm;

[0014] (2) the circumference of the composite filter rod is 16 mm to 24 mm;

[0015] (3) the common tow segment comprises a second cigarette filter tow;

[0016] (4) the hollow segment has a hollow channel structure formed by wrapping a third cigarette filter tow; optionally, the cross section of the hollow channel structure is one of a circle, a hexagon, or a heart shape.

[0017] In some embodiments, the first cigarette filter tow, the second cigarette filter tow, and the third cigarette filter tow in the composite filter rod are each independently an acetate tow.

[0018] In some embodiments, the composite filter rod satisfies any one of the following conditions:

[0019] (1) the composite filter rod is a binary composite filter rod, and the flavoring segment is connected to the common tow segment;

[0020] (2) the composite filter rod is a ternary composite filter rod comprising the flavoring segment, the common tow segment, and the hollow segment connected in sequence.

[0021] In some embodiments, a method for preparing a composite filter rod is provided, comprising the following steps:

[0022] steaming and exploding the variegated tobacco leaves, drying, and crushing to prepare flavoring granular material;

[0023] uniformly adding the flavoring granular material to a first cigarette filter tow to prepare a flavoring segment; and compounding one or both of a common tow segment and a hollow segment with the flavoring segment to prepare the composite filter rod.

[0024] In some embodiments, the method for preparing the composite filter rod, the steaming and exploding treatment has a pressure of 1.4 MPa to 1.8 MPa and a time of 30 seconds to 60 seconds.

[0025] In some embodiments, the method for preparing the composite filter rod, the drying has a temperature of 40°C to 45°C and a moisture content of 6wt% to 8wt%.

[0026] In some embodiments, the method for preparing the composite filter rod, the crushing is performed at a temperature of less than or equal to 45°C.

[0027] In some embodiments, a cigarette is provided, comprising the composite filter rod for cigarettes.

[0028] Optionally, in the cigarette, the flavoring segment of the composite filter rod for cigarettes is close to the tobacco end.

[0029] The composite filter rod for cigarettes provided in the foregoing is prepared by treating the variegated tobacco leaves by steam explosion technology to prepare the flavoring granular material. While effectively removing the grassy odor of the variegated tobacco leaves, the high temperature and high pressure can stimulate the highlighting of the characteristic flavor of the variegated tobacco leaves, and make the organization of the granules more loose, and the aroma components contained therein more easily released. The cigarette prepared by the composite filter rod for cigarettes has obvious fresh, fruity, spicy, woody, green, floral, herbal and sweet aroma, the aroma is more full, the delicacy is better, and the smoke irritation is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments and examples of the present application, more completely understand the present application and its beneficial effects, the drawings needed to be used in the description of the embodiments or examples will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0031] Figure 1 Structure diagram of the composite filter rod for cigarettes prepared in Example 1. DETAILED DESCRIPTION

[0032] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0033] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0035] The terms or phrases used in the present application have the following meanings unless otherwise stated or contradicted:

[0036] The selection scope of the terms "and / or", "or / and", "and / or" used in the present application includes any one of two or more relevant listed items, and also includes any and all combinations of relevant listed items, which includes any two relevant listed items, any more relevant listed items, or all relevant listed items. It should be noted that when at least two conjunctions selected from "and / or", "or / and", "and / or" are combined to connect at least three items, it should be understood that in the present application, the technical solution undoubtedly includes the technical solution connected by "logical and", and also undoubtedly includes the technical solution connected by "logical or". For example, "A and / or B" includes three parallel solutions of A, B, and "combination of A and B".

[0037] In the present application, "multiple", "various", "multiple times", "multiple" and the like refer to more than two or equal to two in number without specific limitation. For example, "one or more" means one or more than two.

[0038] The "combination thereof", "any combination thereof", "any combination thereof" and the like used in the present application include all suitable combinations of any two or more listed items.

[0039] In the present application, "suitable combination", "suitable manner", "any suitable manner" and the like are "suitable" as long as the technical solutions of the present application can be implemented, the technical problems of the present application can be solved, and the intended technical effects of the present application can be achieved.

[0040] In the present application, "preferably", "better", "better", "suitable" only describe the better effect of the implementation mode or embodiment, and it should be understood that it does not constitute a limitation on the protection scope of the present application.

[0041] In the present application, "further", "further", "particularly" and the like are used to describe the purpose, indicating the difference in content, but should not be understood as a limitation on the protection scope of the present application.

[0042] In the present application, "optionally", "optional", "optional" means optional, that is, selected from two parallel solutions of "yes" or "no". If there are multiple "optional" in a technical solution, unless otherwise stated, and there is no contradiction or mutual restriction, each "optional" is independent.

[0043] In the present application, the terms "first", "second", "third", "fourth" and the like in the "first aspect", "second aspect", "third aspect", "fourth aspect" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance or quantity, nor can they be understood as implicitly indicating the importance or quantity of the technical features indicated. Moreover, "first", "second", "third", "fourth" and the like only serve the purpose of non-exhaustive enumeration description and should be understood as not constituting a closed limitation on the quantity.

[0044] In the present application, the technical features described in an open manner include both closed technical solutions consisting of the listed features and open technical solutions containing the listed features.

[0045] In the present application, with respect to a numerical interval (i.e. a numerical range), if no special instructions are given, the optional numerical distribution within the above numerical interval is considered to be continuous, and includes the two numerical end points (i.e. the minimum value and the maximum value) of the numerical range and every numerical value between the two numerical end points. If no special instructions are given, when a numerical interval only points to integers within the numerical interval, including the two end point integers of the numerical range and every integer between the two end points, in this document, it is equivalent to directly listing every integer, for example, t is an integer selected from 1 to 10, which means that t is any one integer selected from the group consisting of 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10. In addition, when multiple ranges are provided to describe a feature or a characteristic, these ranges can be combined. In other words, unless otherwise indicated, the ranges disclosed herein should be understood to include any and all sub-ranges encompassed therein.

[0046] In the present application, the temperature parameter, if not specifically limited, allows both constant temperature treatment and variation within a certain temperature range. It should be understood that the constant temperature treatment allows the temperature to fluctuate within the accuracy range controlled by the instrument. It is allowed to fluctuate within the range of, for example, ±5℃, ±4℃, ±3℃, ±2℃, ±1℃.

[0047] In the present application, % (w / w) and wt% both represent weight percentage, % (v / v) refers to volume percentage, and % (w / v) refers to mass volume percentage.

[0048] In the present application, "room temperature" generally refers to 5℃ to 30℃, preferably 25±5℃.

[0049] In some embodiments, a composite filter rod for cigarettes is provided, comprising: (a) a flavoring segment, and (b) one or both of a common tow segment and a hollow segment;

[0050] The preparation method of the flavoring segment comprises the following steps:

[0051] The P. insularis is subjected to steam explosion treatment, drying and crushing to prepare the flavoring granular material;

[0052] The flavoring granular material is uniformly added into the first cigarette filter tow to prepare a flavoring segment.

[0053] Steam explosion, also known as explosion, is a technology for pretreating biomass by explosion process based on steam ejection principle. The essence of the technology is that the steam molecules penetrating into the plant tissue are instantaneously released, the internal energy of the steam is converted into mechanical energy and acts on the biomass tissue cell layers, so that the raw material is decomposed according to the purpose with less energy. Since the technology avoids the secondary pollution problem of chemical treatment and solves the low efficiency problem of biological treatment.

[0054] In some embodiments, the particle size of the flavoring granular material in the smoking composite filter rod is 30-80 mesh, for example, the particle size can be 30 mesh, 40 mesh, 50 mesh, 60 mesh, 70 mesh, 80 mesh, etc., and can also be a range composed of any two of the foregoing values.

[0055] In some embodiments, in the smoking composite filter rod, the mass of the flavoring granular material in the flavoring segment is 4%-16% of the mass of the first cigarette filter tow, for example, the mass of the flavoring granular material can be 4%, 5%, 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16% of the mass of the first cigarette filter tow, etc., and can also be a range composed of any two of the foregoing values.

[0056] In some embodiments, the length of the flavoring segment in the smoking composite filter rod is 10-15 mm, for example, the length of the flavoring segment can be 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, etc., and can also be a range composed of any two of the foregoing values.

[0057] In some embodiments, the circumference of the smoking composite filter rod is 16-24 mm, for example, the circumference of the smoking composite filter rod can be 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, etc., and can also be a range composed of any two of the foregoing values.

[0058] In some embodiments, the ordinary tow segment in the smoking composite filter rod comprises a second cigarette filter tow.

[0059] In some embodiments, the hollow segment in the smoking composite filter rod has a hollow channel structure, and the hollow channel structure is formed by wrapping a third cigarette filter tow.

[0060] In some embodiments, the cross section of the hollow channel structure is one of a circle, a hexagon or a heart shape.

[0061] In some embodiments, the first cigarette filter tow, the second cigarette filter tow and the third cigarette filter tow are each independently an acetate tow.

[0062] It can be understood that the skilled in the art can prepare the common tow segment and the hollow segment by conventional methods. For example, in the process of preparing the common tow segment, the skilled in the art can place the second cigarette filter tow, such as an acetate tow, on a cigarette filter rod forming machine to obtain the common tow segment. In the process of preparing the hollow segment, the skilled in the art can place the third cigarette filter tow, such as an acetate tow, on a cigarette filter rod forming machine to obtain the hollow segment. In some embodiments, the cross section of the hollow channel structure of the hollow segment can be in various shapes, such as one of a circle, a hexagon or a heart shape.

[0063] In the common tow segment, the dense and small pores formed by the second cigarette filter tow can intercept part of the tar, nicotine and suspended particulate matters in the smoke, thereby reducing the amount of the tar, nicotine and suspended particulate matters entering the oral cavity.

[0064] The hollow segment can improve the aesthetics of the cigarette composite filter rod, and the hollow channel structure can balance the resistance and improve the taste experience during smoking.

[0065] In some embodiments, the cigarette composite filter rod is a binary composite filter rod, and the flavoring segment is connected with the common tow segment.

[0066] In some embodiments, the cigarette composite filter rod is a ternary composite filter rod, and comprises the flavoring segment, the common tow segment and the hollow segment connected in sequence.

[0067] In some embodiments, a preparation method of a cigarette composite filter rod is provided, comprising the following steps:

[0068] The variegated leaves are subjected to steam explosion treatment, drying and crushing to prepare flavoring particulate matter;

[0069] The flavoring particulate matter is uniformly added to the first cigarette filter tow to prepare the flavoring segment; one or both of the common tow segment and the hollow segment are combined with the flavoring segment to prepare the cigarette composite filter rod.

[0070] In some embodiments, in the preparation method of the cigarette composite filter rod, the steam explosion treatment is performed under the conditions of a pressure of 1.4 MPa to 1.8 MPa and a time of 30 seconds to 60 seconds. For example, the pressure can be 1.4 MPa, 1.5 MPa, 1.6 MPa, 1.7 MPa, 1.8 MPa or the like, and can also be a range formed by any two of the foregoing values; the time can be 30 seconds, 40 seconds, 50 seconds, 60 seconds or the like, and can also be a range formed by any two of the foregoing values.

[0071] In some embodiments, the method for preparing the composite filter rod for cigarettes, the drying condition comprises: drying at 40-45℃ until the moisture content is 6-8wt%, for example, drying at 40℃, 41℃, 42℃, 43℃, 44℃, 45℃, or the like, and the drying temperature can also be a range composed of any two of the aforementioned values; and the moisture content can be 6wt%, 7wt%, 8wt%, or the like, or a range composed of any two of the aforementioned values.

[0072] In some embodiments, the method for preparing the composite filter rod for cigarettes, the crushing is performed at less than or equal to 45℃.

[0073] In some embodiments, a cigarette is provided, comprising the composite filter rod for cigarettes.

[0074] In some embodiments, the cigarette provided, the flavoring section of the composite filter rod for cigarettes is close to the tobacco section.

[0075] The following are specific examples. The purpose is to further illustrate the application, to help the skilled and researchers in the field to further understand the application, and the technical conditions do not constitute any limitation on the application. Any form of modification within the scope of the claims of the application is within the protection scope of the claims of the application.

[0076] Unless otherwise specified, the raw materials and reagents used in the following examples are commercially available or can be prepared by known methods. The experimental methods in the examples are not specified, and the methods are implemented according to conventional conditions, such as the conditions described in the literature, books or the methods recommended by the manufacturer.

[0077] Example 1

[0078] The present example provides a composite filter rod for cigarettes, and the preparation method is as follows:

[0079] 1. Fresh fresh leaves were cleaned and the stems were removed and put into a steam explosion device for steam explosion treatment. The explosion pressure was 1.8 MPa and the explosion time was 30 seconds.

[0080] 2. The oven temperature was set to 40℃, and the explosion-treated leaves were dried to a moisture content of 6%.

[0081] 3. The dried leaves were crushed by a low-temperature crusher with a water cooling system, and the crushing chamber temperature was less than 45℃. After crushing, 30-80 mesh particulate matter was obtained by screening, which was the prepared solid flavor for cigarettes.

[0082] 4. The solid flavor was incubated at 80℃ for 20 min, and then extracted by needle adsorption for 40 min before GC-MS analysis.

[0083] Table 1 Solid flavor aroma components

[0084]

[0085] As shown in Table 1, a total of 141 volatile components were detected in the solid flavor. In terms of categories, the highest was alcohol, most of which had a mild, floral or sweet characteristic, making the overall aroma of cigarette smoke softer and more coordinated. The second highest was ester, which usually had a fresh, fruity, floral and other pleasant odor, making the cigarette smoke more pleasant and comfortable.

[0086] Table 2 Solid flavor characteristic aroma

[0087]

[0088] As shown in Table 2, from the individual components, there were 11 aroma components with a relative content greater than 1%, accounting for 74% of the total. There were only 3 components with a relative content greater than 5%, namely menthol (33%), benzyl acetate (18%) and (+)-menthone (5%), with a total of 56%, which were the characteristic aroma components.

[0089] The highest content of menthol had a strong cooling sensation, with a greenish aroma and a sweet aftertaste, giving the cigarette a cool, fresh and natural feeling. The second highest content of benzyl acetate had a fresh and transparent jasmine flower aroma, with a dew-like moist feeling, a juicy fruit aroma and a fresh green aroma, which was the soul component of the "white flower aroma". The third highest content of menthone had a cool mint-like aroma, and the cooling sensation of the (+)-isomer was more gentle than that of the (-)-laevorotatory form, with reduced irritation, a fresh feeling similar to mint leaves rather than a sharp cooling sensation, with a cedar-like woody aroma, a sweet fruit aroma and a slightly bitter green aroma. The remaining components mostly had a cool, sweet floral and fruity aroma, a fresh green aroma, a woody base and other fresh aromas, and the high content of (1R)-(-)-neomenthol had a complex fruit and herbal aroma on a cool mint base; the aroma of geranyl acetone had a clear floral aroma similar to rose and lily, with a green apple and citrus fruit aroma, as well as a green grass and woody base; the core of β-ionone was a typical violet flower aroma, similar to the powdery floral aroma of dry violet petals, with a significant cedar wood aroma, as well as a honey sweet feeling of berry fruit aroma, which could increase the natural fullness of the aroma, with a slight green and smoked aroma; α-ionone also had a violet aroma as the core, with a fruit aroma and a woody base, and the woody aroma was weaker than that of β-ionone.

[0090] 5. The prepared solid flavor was evenly added to the cellulose diacetate tow for cigarettes on a cigarette filter rod forming machine to prepare a flavored segment, wherein the weight of the solid flavor was 10% of the weight of the cellulose diacetate tow for cigarettes, the length of the prepared flavored segment was 10 mm, the circumference was 16.5 mm, and the cellulose diacetate tow for cigarettes was 7.5Y16000 (d).

[0091] 6. A common tow segment with a length of 20 mm and a circumference of 16.5 mm was prepared on a cigarette filter rod forming machine using the same type of cellulose diacetate tow for cigarettes.

[0092] 7. The prepared flavored segment and the common tow segment were compounded through a filter rod compounding machine to obtain a cellulose diacetate binary composite filter rod with a structure of 10 mm + 20 mm, as shown in Figure 1 , wherein the flavored segment was 10 mm (1) and the common tow segment was 20 mm (2).

[0093] A filter rod with a circumference of 16.5 mm and a structure of 10 mm (common tow segment) + 20 mm (common tow segment) was prepared as a control sample using the method shown in step 6.

[0094] The prepared cellulose diacetate binary composite filter rod was used as a test sample, and the test sample and the control sample were used to prepare cigarettes on a cigarette machine using the same type of tobacco and the same method.

[0095] The cigarettes were evaluated by the Chinese cigarette style sensory evaluation method (YC / T 497-2014), and the evaluation scores of each index are shown in Tables 3-6. The cigarette evaluation results are shown in Table 7. The results in Table 7 show that the cigarette product has soft floral, sweet fruit, spicy, woody, and herbal aromas, with a slight cooling sensation. The solid flavor enriches the aroma of the cigarette and enhances the characteristics of the smoke, such as coolness, sweetness, and freshness.

[0096] Table 3 Evaluation scores of aroma style evaluation indexes

[0097]

[0098] Table 4 Evaluation scores of taste style indexes

[0099]

[0100] Table 5 Evaluation scores of comfort characteristics indexes

[0101]

[0102] Table 6 Evaluation scores of smoke characteristics indexes

[0103]

[0104] Table 7 Cigarette evaluation results

[0105]

[0106] Table 7 continued

[0107]

[0108] Example 2

[0109] The present embodiment provides a composite filter rod for cigarettes, and the preparation method is as follows:

[0110] 1. Fresh Virginia leaves are cleaned and the stems are removed, and then the leaves are put into a steam explosion device for steam explosion treatment. The explosion pressure is 1.5 MPa, and the explosion time is 50 seconds.

[0111] 2. The oven temperature is set to 40°C, and the leaves after explosion treatment are dried to a moisture content of 6.5%.

[0112] 3. The dried Virginia leaves are crushed by a low-temperature crusher with a water cooling system, and the crushing chamber temperature is lower than 45°C. After crushing, the 30-80 mesh particulate matter is obtained by screening, which is the prepared solid flavor for cigarettes.

[0113] 4. The prepared solid flavor is uniformly added to the cellulose diacetate tow for cigarettes on a cigarette filter rod forming machine to prepare a flavoring segment, and the addition amount of the solid flavor is 6% of the weight of the tow. The length of the prepared flavoring segment is 10 mm, and the circumference is 16.5 mm. The cellulose diacetate tow for cigarettes is 7.5Y16000(d).

[0114] 5. The same type of cellulose diacetate tow for cigarettes is used to prepare a common tow segment with a length of 15 mm and a circumference of 16.5 mm on a cigarette filter rod forming machine.

[0115] 6. The same type of cellulose diacetate tow for cigarettes is used to prepare a hollow segment with a length of 5 mm and a circumference of 16.5 mm on a cigarette filter rod forming machine. The hollow segment has a hollow channel structure, and the cross section of the hollow channel structure is circular.

[0116] In cigarette filter rod forming, ordinary cellulose diacetate filament segments with a circumference of 16.5 mm and a length of 10 mm were prepared using the same type of cellulose diacetate filament tow. Ordinary cellulose tow segments with a length of 15 mm and a circumference of 16.5 mm were prepared using the same method as in step 5. Hollow segments with a length of 5 mm and a circumference of 16.5 mm were prepared using the same method as in step 6. The hollow segments have a hollow channel structure with a circular cross-section. The ordinary cellulose tow segments and the hollow segments were then combined using a filter rod composite machine, and the resulting filter rod served as a control sample.

[0117] The cigarettes were evaluated using the same method as in Example 1. The results of the cigarette evaluation are shown in Table 8. Compared with the control sample, the test sample showed varying degrees of increase in aroma, fruit aroma, spicy aroma, woody aroma, green aroma, floral aroma, herbal aroma, and sweet aroma. The aroma was more abundant, richer, more delicate and smoother, the irritation of the smoke was reduced, the off-flavors were lessened, and there was a slight cooling sensation.

[0118] Table 8. Cigarette Smoking Evaluation Results

[0119]

[0120] Table 8 (continued)

[0121]

[0122] Example 3

[0123] 1. Clean fresh variegated leaves, remove the petioles, and place them into a steam explosion device for steam explosion treatment. The explosion pressure is 1.8 MPa, and the explosion time is 30 seconds.

[0124] 2. Set the oven temperature to 40℃ and dry the pandan leaves after the bursting treatment to a moisture content of 6.5%.

[0125] 3. The dried pandan leaves are pulverized using a low-temperature pulverizer with a water-cooling system, where the pulverizing chamber temperature is below 45℃. After pulverization, the pulverized material is sieved to obtain 30-80 mesh particles, which are the prepared solid flavoring for tobacco.

[0126] 4. The prepared solid flavoring is evenly added to the cellulose diacetate tow for tobacco on a cigarette filter rod forming machine to prepare a flavoring section. The weight of the solid flavoring is 6% of the weight of the cellulose diacetate tow for tobacco. The length of the flavoring section is 10 mm, the circumference is 19.45 mm, and the cellulose diacetate tow for tobacco is 4.8Y22000 (d).

[0127] 5. Using the same type of tobacco diacetate cellulose tow, prepare ordinary tow segments with a length of 20mm and a circumference of 19.45mm without additives on a cigarette filter rod forming machine.

[0128] 6. The prepared flavoring segment and the common tow segment are compounded by a filter rod compounding machine to obtain a binary composite filter rod for cigarettes with a structure of 10 mm + 20 mm.

[0129] A filter rod with a circumference of 19.45 mm and a structure of 10 mm (common tow segment) + 20 mm (common tow segment) is prepared as a control sample by the method shown in step 5.

[0130] The cigarettes are evaluated by the same method as in Example 1, and the results are shown in Table 9. Compared with the control sample, the test sample has obvious fresh, fruity, pungent, woody, green, floral, herbal and sweet aroma, the aroma is more full and rich, and is more delicate, soft and mellow, the smoke irritation is reduced, the offensive odor is reduced, and there is a cooling sensation.

[0131] Table 9: Results of cigarette evaluation

[0132]

[0133] Table 9: Results of cigarette evaluation

[0134]

[0135] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but it should be considered that any combination of the technical features is within the scope of the present disclosure as long as the combination does not result in contradictions.

[0136] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of variations and improvements can be made, which are within the scope of the present application. Therefore, the scope of protection of the present application should be subject to the appended claims, and the description and drawings can be used to interpret the content of the claims.

Claims

1. A composite filter rod for tobacco, characterized in that, include: (a) flavoring segment, and (b) one or both of the ordinary tow segment and hollow segment; The preparation method of the flavor-enhancing segment includes the following steps: Pandanus leaves are steam-exploded, dried, and pulverized to prepare flavor-enhancing granules. The flavoring particles are uniformly added to the first cigarette filter rod bundle to prepare the flavoring segment.

2. The composite filter rod for tobacco use according to claim 1, characterized in that, One or both of the following conditions must be met: (1) The particle size of the flavoring granules is 30 mesh to 80 mesh; (2) In the flavor-enhancing section, the mass of the flavor-enhancing particulate matter is 4% to 16% of the mass of the first cigarette filter rod bundle.

3. The composite filter rod for tobacco use according to claim 1, characterized in that, One or more of the following conditions must be met: (1) The length of the flavor-enhancing segment is 10mm~15mm; (2) The circumference of the composite filter rod for tobacco is 16mm~24mm; (3) The ordinary filament section includes a second cigarette filter rod filament bundle; (4) The hollow section has a hollow channel structure, which is formed by wrapping the third cigarette filter rod filament bundle; optionally, the cross-section of the hollow channel structure is one of a circle, a hexagon or a heart shape.

4. The composite filter rod for tobacco use according to any one of claims 1 to 3, characterized in that, The first cigarette filter rod bundle, the second cigarette filter rod bundle, and the third cigarette filter rod bundle are each independently a cellulose acetate bundle.

5. The composite filter rod for tobacco according to any one of claims 1 to 3, characterized in that, Satisfy any one of the following conditions: (1) The composite filter rod for tobacco is a binary composite filter rod, and the flavor-enhancing section is connected to the ordinary fiber section; (2) The composite filter rod for tobacco is a ternary composite filter rod, comprising the flavor-enhancing section, the ordinary fiber section and the hollow section connected in sequence.

6. A method for preparing a composite filter rod for tobacco, characterized in that, Includes the following steps: Pandanus leaves are steam-exploded, dried, and pulverized to prepare flavor-enhancing granules. The flavoring granules are uniformly added to the first cigarette filter rod tow to prepare the flavoring segment; one or two of the ordinary tow segment and the hollow segment are combined with the flavoring segment to prepare the composite filter rod for cigarettes.

7. The method for preparing the composite filter rod for tobacco according to claim 6, characterized in that, The conditions for steam explosion treatment include: a pressure of 1.4 MPa to 1.8 MPa and a time of 30 to 60 seconds.

8. The method for preparing the composite filter rod for tobacco according to claim 6, characterized in that, The drying conditions include drying at 40℃~45℃ until the moisture content is 6wt%~8wt%.

9. The method for preparing a composite filter rod for tobacco according to any one of claims 6 to 8, characterized in that, The pulverization is carried out at a temperature of 45°C or less.

10. A cigarette, characterized in that, Contains a composite filter rod for tobacco as described in any one of claims 1 to 5; Optionally, in the cigarette, the aroma-enhancing section of the composite filter rod is located near the tobacco end.

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