U.S. patent application number 13/957793 was filed with the patent office on 2013-11-28 for filter for cigarette and filter-tipped cigarette.
This patent application is currently assigned to JAPAN TOBACCO INC. The applicant listed for this patent is JAPAN TOBACCO INC. Invention is credited to Hiroshi SHIBUICHI.
Application Number | 20130312778 13/957793 |
Document ID | / |
Family ID | 46602669 |
Filed Date | 2013-11-28 |
United States Patent
Application |
20130312778 |
Kind Code |
A1 |
SHIBUICHI; Hiroshi |
November 28, 2013 |
FILTER FOR CIGARETTE AND FILTER-TIPPED CIGARETTE
Abstract
A filter for a cigarette including a filter body and an
flavor-releasing member which includes a flavorant carrier
constituted of one or more discrete yarns and a plurality of
flavor-releasing components carried by the flavorant carrier,
wherein the flavor-releasing member is incorporated in the filter
body, extending along a central axis of the filter body, one
flavor-releasing component releases flavor different from other one
or more flavor-releasing components, flavor-releasing behavior of
one flavor-releasing component is different from that of other one
or more flavor-releasing components, and the flavor-releasing
component is a pure flavorant, a pure flavorant combined with
cyclodextrin, or a pure flavorant combined with dextrin.
Inventors: |
SHIBUICHI; Hiroshi; (Tokyo,
JP) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
JAPAN TOBACCO INC |
Tokyo |
|
JP |
|
|
Assignee: |
JAPAN TOBACCO INC
Tokyo
JP
|
Family ID: |
46602669 |
Appl. No.: |
13/957793 |
Filed: |
August 2, 2013 |
Related U.S. Patent Documents
|
|
|
|
|
|
Application
Number |
Filing Date |
Patent Number |
|
|
PCT/JP2012/051839 |
Jan 27, 2012 |
|
|
|
13957793 |
|
|
|
|
Current U.S.
Class: |
131/335 |
Current CPC
Class: |
A24D 1/002 20130101;
A24D 3/048 20130101; A24D 3/061 20130101; A24B 15/284 20130101;
A24D 3/04 20130101 |
Class at
Publication: |
131/335 |
International
Class: |
A24D 1/00 20060101
A24D001/00 |
Foreign Application Data
Date |
Code |
Application Number |
Feb 3, 2011 |
JP |
2011-021789 |
Claims
1. A filter for a cigarette comprising: a filter body; and an
flavor-releasing member which includes a flavorant carrier
constituted of one or more discrete yarns and a plurality of
flavor-releasing components carried by the flavorant carrier,
wherein the flavor-releasing member is incorporated in the filter
body, extending along a central axis of the filter body, one
flavor-releasing component releases flavor different from other one
or more flavor-releasing components, flavor-releasing behavior of
one flavor-releasing component is different from that of other one
or more flavor-releasing components, and the flavor-releasing
component is selected from the group consisting of a pure
flavorant, a pure flavorant combined with cyclodextrin, and a pure
flavorant combined with dextrin.
2. The filter for a cigarette according to claim 1, wherein the
flavorant carrier is constituted of a plurality of discrete yarns,
and each of the plurality of flavor-releasing components is carried
by the discrete yarns separately.
3. The filter for a cigarette according to claim 1, wherein the
plurality of flavor-releasing components are carried by one single
yarn.
4. The filter for a cigarette according to claim 1, wherein the
discrete yarn is colored.
5. A filter-tipped cigarette comprising: a cigarette rod; and a
filter connected to one end of the cigarette rod, wherein the
filter is constituted of the filter according to claim 1.
Description
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application is a Continuation Application of PCT
Application No. PCT/JP2012/051839, filed Jan. 27, 2012 and based
upon and claiming the benefit of priority from prior Japanese
Patent Application No. 2011-021789, filed Feb. 3, 2011, the entire
contents of all of which are incorporated herein by reference.
BACKGROUND OF THE INVENTION
[0002] 1. Field of the Invention
[0003] This invention relates to a filter for a cigarette and a
filter-tipped cigarette.
[0004] 2. Description of the Related Art
[0005] A cigarette provided with a cigarette filter incorporating a
filament containing a cigarette smoke modifier has been known (for
example, Patent Documents 1 and 2). When such a cigarette is
smoked, the cigarette smoke modifier can add a flavor or aroma to
cigarette mainstream smoke passing through the filter.
CITATION LIST
Patent Literature
[0006] Patent Literature 1: Jpn. Pat. Appln. KOKOKU Publication No.
63-38187 [0007] Patent Literature 2: U.K. Patent Application
Publication No. 2070409
BRIEF SUMMARY OF THE INVENTION
Problem to be Solved by the Invention
[0008] The above prior art documents disclose that two or more
kinds of smoke modifiers are carried by filament, and a same or
different type of smoke modifier is carried by two or more
filaments. However, there is not disclosed such a technical idea
that when a cigarette is smoked, flavors different for each puff
are tasted.
[0009] This invention provides a filter for a cigarette, which
enables tasting flavors different for each puff when a cigarette is
smoked, and a cigarette with the filter.
Means for Solving the Problem
[0010] According to one aspect of the invention, there is provided
a filter for a cigarette, comprising a filter body and a
flavor-releasing member which includes a flavorant carrier
constituted of one or more descrete yarns and a plurality of
flavor-releasing components carried by the flavor carrier. The
flavor-releasing member is incorporated in the filter body,
extending along a central axis of the filter body. One
flavor-releasing component releases flavor different from the other
one or more flavor-releasing components. Flavor-releasing behavior
of one flavor-releasing component is different from that of the
other one or more flavor-releasing components. The flavor-releasing
component is selected from the group consisting of a pure
flavorant, a pure flavorant combined with cyclodextrin, and a pure
flavorant combined with dextrin.
[0011] According to another aspect of the invention, there is
provided a filter-tipped cigarette comprising a cigarette rod and a
filter connected to one end of the cigarette rod, wherein the
filter is constituted of a filter according to this invention.
Advantageous Effects of Invention
[0012] A filter for a cigarette of this invention enables enjoying
flavors different for each puff when a cigarette is smoked.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING
[0013] FIG. 1 is an enlarged schematic perspective view showing an
example of a filter according to a first embodiment of the
invention.
[0014] FIG. 2 is an enlarged schematic perspective view showing
another example of a filter according to the first embodiment of
the invention.
[0015] FIG. 3 is an enlarged schematic view showing an example of a
filter according to a second embodiment of the invention.
[0016] FIG. 4 is an enlarged schematic perspective view showing an
example of a cigarette according to the invention.
[0017] FIG. 5 is a graph for explaining a change of delivery amount
of the flavor into a cigarette mainstream smoke with respect to the
number of puffs when an example of the cigarette according to this
invention is smoked.
[0018] FIG. 6 is a graph showing results of sensory evaluation for
each puff in a filter-tipped cigarette produced in Example 1
described.
[0019] FIG. 7 is a graph showing a flavor-releasing behavior in a
filter-tipped cigarette produced in Example 2 described.
DETAILED DESCRIPTION OF THE INVENTION
[0020] Hereinafter, an aspect of the invention will be
described.
[0021] A filter for a cigarette according to one aspect of the
invention comprises a filter body and a flavor-releasing member
which includes a flavorant carrier constituted of one or more
discrete yarns and a plurality of flavor-releasing components
carried by the flavorant carrier. The flavor-releasing member is
incorporated in a filter body, extending along a central axis of
the filter body. One flavor-releasing component releases flavor
different from the other one or more flavor-releasing components.
Flavor-releasing behavior of one flavor-releasing component is
different from that of other one or more flavor-releasing
components. The flavor-releasing component is selected from the
group consisting of a pure flavorant, a pure flavorant combined
with cyclodextrin, and a pure flavorant combined with dextrin.
[0022] The filter body incorporating the flavor-releasing member
includes tow of cellulose acetate fibers, for example, and usually
has a columnar shape. The length of the filter body is usually 100
mm to 140 mm, and the diameter is usually 15 mm to 26 mm.
[0023] The flavor-releasing member includes a flavorant carrier
consisting of one or more discrete yarns and a plurality of
flavor-releasing components carried by the flavorant carrier. The
flavor-releasing member may be constituted of the flavorant carrier
and a plurality of flavor-releasing components.
[0024] The yarn constituting the flavorant carrier may be
constituted of a single fiber (filament) or a bundle of a plurality
of fibers (filaments), and includes a monofilament yarn and a
multifilament yarn. Multifilament yarns include various textured
yarns.
[0025] The material of the yarn is not particularly limited. The
yarn can be formed of, for example, a natural material such as
cotton, wool, or silk, or a synthetic material such as
polypropylene, polyethylene, or acetylcellulose.
[0026] The diameter of the yarn is usually 0.3 to 2.5 mm, and
preferably 0.7 mm to 1.5 mm. The length of the yarn is usually the
same as the length of the filter body. The yarn usually extends,
along the central axis of the filter body, over the full length of
the filter body, that is, from the distal end to the proximal end
of the filter body. The outer circumference of the filter body is
wrapped by a filter wrapper such as tissue paper to provide a
filter.
[0027] The flavor-releasing component is selected from the group
consisting of (i) a pure flavorant, (ii) a pure flavorant combined
with cyclodextrin, and (iii) a pure flavorant combined with
dextrin. The pure flavorant is a flavorant itself. Examples of the
pure flavorant include acetanisole, acetophenone, acetylpyradine,
2-acetylthiazole, alfalfa extract, amyl alcohol, amyl butyrate,
trans-anethole, star anise oil, apple juice, Peru balsam oil,
yellow-beeswax absolute, benzaldehyde, benzoin resinoid, benzyl
alcohol, benzyl benzoate, benzyl phenylacetate, benzyl propionate,
2,3-butanedione, 2-butanol, butyl butyrate, butyric acid, caramel,
cardamom oil, carob absolute, .beta.-carotene, carrot juice,
L-carvone, .beta.-caryophyllene, cassia bark oil, cedarwood oil,
celery seed oil, chamomile oil, cinnamaldehyde, cinnamic acid,
cinnamyl alcohol, cinnamyl cinnamate, citronella oil,
DL-citronellol, clary sage extract, cocoa, coffee, cognac oil,
coriander oil, cumin aldehyde, Davana oil, .delta.-decalactone,
.gamma.-decalactone, decanoic acid, dill herb oil,
3,4-dimethyl-1,2-cyclopentanedione,
4,5-dimethyl-3-hydroxy-2,6-dihydrofuran-2-one,
3,7-dimethyl-6-octenoic acid, 2,3-dimethylpyrazine,
2,5-dimethylpyrazine, 2,6-dimethylpyrazine, ethyl 2-methylbutyrate,
ethyl acetate, ethyl butyrate, ethyl hexanoate, ethyl isovalerate,
ethyl lactate, ethyl laurate, ethyl levulinate, ethyl maltol, ethyl
octanoate, ethyl oleate, ethyl palmitate, ethyl phenylacetate,
ethyl propionate, ethyl stearate, ethyl valerianate, ethyl
vanillin, ethyl vanillin glucoside, 2-ethyl-3,(5 or
6)-dimethylpyrazine, 5-methyl-3-hydroxy-4-methyl-2(5H)-furanone,
2-ethyl-3-methylpyrazine, eucalyptole, Fenugreek absolute, Genet
absolute, Gentian root infusion, geraniol, geranyl acetate, grape
juice, guaiacol, guava extract, .gamma.-hepta-lactone,
.gamma.-hexylactone, hexanoic acid, cis-3-hexen-1-ol, hexyl
acetate, hexyl alcohol, hexyl phenylacetate, honey,
4-hydroxy-3-pentenoic acid lactone,
4-hydroxy-4-(3-hydroxy-1-butenyl)-3,5,5-trimethyl-2-cyclohexene-1-one,
4-(para-hydroxyphenyl)-2-butanone, 4-hydroxyundecanoic acid sodium
salt, Immortelle absolute, .beta.-ionone, isoamyl acetate, isoamyl
butyrate, isoamyl phenylacetate, isobutyl acetate, isobutyl
phenylacetate, jasmine absolute, coconut tincture, labdanum oil,
terpenless oil of lemon, liquorice extract, linalool, linalyl
acetate, Lovage root oil, maltol, maple syrup, menthol (L-menthol),
menthone, L-menthyl acetate, para-methoxybenzaldehyde,
methyl-2-pyrrolyl ketone, methyl anthranilate, methyl phenyl
acetate, methyl salicylate, 4'-methylacetophenone, methyl
cyclopentenolone, 3-methylvaleric acid, mimosa absolute, molasses,
myristic acid, nerol, nerolidol, .gamma.-nonalactone, nutmeg oil,
.delta.-octalactone, octanal, octanoic acid, orange flower oil,
orange oil, Orris root oil, palmitic acid, peppermint oil,
petit-grain Paraguay oil, phenethyl alcohol, phenethyl
phenylacetate, phenylacetic acid, piperonal, plum extract, propenyl
guaethol, propyl acetate, 3-propylidenephthalide, prune juice,
pyruvic acid, raisin extract, Rose oil, rum, sage oil, sandalwood
oil, spearmint oil, Styrax absolute, marigold oil, tea distillate,
.alpha.-terpineol, terpinyl acetate, 5,6,7,8-tetrahydroquinoxaline,
1,5,5,9-tetramethyl-13-oxacyclo-(8.3.0.0 (4.9))-tridecane,
2,3,5,6-tetramethylpyrazine, thyme oil, tomato extract,
2-tridecanone, trimethyl citrate,
4-(2,6,6-trimethyl-1,3-cyclohexenyl)-2-butene-4-one,
2,6,6-trimethyl-2-cyclohexene-1,4-dione,
4-(2,6,6-trimethyl-1,3-cyclohexadienyl)-2-butene-4-one,
2,3,5-trimethylpyrazine, .gamma.-undecalactone,
.gamma.-valerolactone, vanilla extract, vanillin, veratrum
aldehyde, and violet leaf absolute.
[0028] The flavor-releasing component constituted of the pure
flavorant can be carried on the yarn by dissolving it in
polypropylene glycol, glycerin, ethanol, water, triglyceride,
triacetin, triethyl citrate, or the like, and impregnating the yarn
with the solution. The flavor-releasing component constituted of
the pure flavorant combined with cyclodextrin can be carried on the
yarn by suspending it in polypropylene glycol, glycerin, ethanol,
water, triglyceride, triacetin, triethyl citrate, or the like, and
impregnating the yarn with the suspension. An emulsifier such as
sucrose fatty acid ester, a dispersant, and an antifoamer can be
added to the suspension. The flavor-releasing component constituted
of the pure flavorant combined with dextrin can be carried on the
yarn by suspending it in polypropylene glycol, glycerin, ethanol,
water, triglyceride, triacetin, triethyl citrate, or the like, and
impregnating the yarn with the suspension. An emulsifier such as
sucrose fatty acid ester, a dispersant, and an antifoamer can be
added to the suspension. As an example, a flavor-releasing
component constituted of the pure flavorant combined with dextrin
can be obtained in the form of finely divided powder containing the
flavorant by adding a flavorant to an aqueous solution of dextrin
in which optionally an emulsifier or the like is dissolved,
emulsifying it by a homomixer, and then spray-drying it by using a
spray drier.
[0029] One flavor-releasing component releases a flavor different
from a flavor or flavors of other one or more flavor-releasing
components. Namely, a pure flavorant contained in one
flavor-releasing component is a flavorant which releases a flavor
different from a pure flavor or flavorants contained in other one
or more flavor-releasing components.
[0030] A flavor-releasing behavior of one flavor-releasing
component is different from that of the other one or more
flavor-releasing components. The flavor-releasing component
constituted of a pure flavorant emits the flavor when a cigarette
is smoked, in substantially proportion to an amount of tar in
cigarette mainstream smoke flowing into a filter. The
flavor-releasing component constituted of the pure flavorant
combined with cyclodextrin (in this case, the pure flavorant is
clathrated in cyclodextrin) emits the flavor by a specified smoke
component in the cigarette mainstream smoke (especially, a
component having a steam pressure having a level distributed into
both phases of a liquid phase and a solid phase at normal
temperature) flowing into a filter and by the increase of heat when
a cigarette is smoked. The flavor-releasing component constituted
of a pure flavorant combined (mixed) with dextrin mainly emits the
flavor by water in the cigarette mainstream smoke flowing into the
filter and by the increase of heat.
[0031] Namely, in the flavor-releasing component constituted of the
pure flavorant, the flavor-releasing component constituted of the
pure flavorant combined with cyclodextrin, and the flavor-releasing
component constituted of the pure flavorant combined with dextrin,
the amount of the flavor emitted from these flavor-releasing
components is different for each puff when a cigarette is smoked.
Thus, in a cigarette provided with a filter including a plurality
of different flavor-releasing components, when the cigarette is
smoked, it is possible to taste a fragrance inhaling taste of the
cigarette itself and a blend of flavors of heterogeneous flavorants
having different amount for each puff.
[0032] In order to produce a filter body incorporating the
flavor-releasing member, the method disclosed in the Japanese
Examined Patent Publication No. 63-38187 can be applied, for
example. Namely, in a general cigarette filter manufacturing
machine, for example, immediately before a process of wrapping an
opened cellulose acetate fiber bundle with a filter wrapper and
forming the wrapped fiber bundle into a rod, a guide and a mandrel
guiding a yarn are installed at a predetermined position in the
circumference direction of the cellulose acetate fiber bundle, and
the yarn is passed through the guide and the mandrel, whereby the
yarn can be inserted into the cellulose acetate fiber bundle.
Obviously, the yarn is impregnated with the flavor-releasing
component before being inserted into the cellulose acetate fiber
bundle, as described above.
[0033] In a first aspect of the present invention, the flavorant
carrier is constituted of a plurality of discrete yarns, and a
plurality of flavor-releasing components can be respectively
carried by different discrete yarns. A filter for a cigarette
according to the first aspect includes a filter body incorporating
a plurality of flavor-releasing members constituted of one or more
discrete yarns containing the flavor-releasing component, and
although the flavorant of the filter is the same as the flavorant
in one flavor-releasing member, the flavorant of the filter is
different from the flavorant in the other one or more
flavor-releasing members, and in this filter, the flavor-releasing
behavior of one flavor-releasing member is different from the
flavor-releasing behavior of the other one or more flavor-releasing
members. In the first aspect, different yarns carrying different
flavor-releasing components can be colored in colors different from
each other.
[0034] In a second aspect of the invention, the flavorant carrier
is constituted of one or more discrete yarns, and each discrete
yarn carries a plurality of flavor-releasing components containing
a heterogeneous pure flavorant. In this case, preferably, the
discrete yarn is constituted of a plurality of filaments, a
filament carries an flavor-releasing component, the other one or
more filaments carry another flavor-releasing component, and these
filaments are twisted together to form a yarn. Namely, in the
second aspect, the flavor-releasing member is constituted of one or
more discrete yarns carrying different flavor-releasing
components.
[0035] The cigarette of the invention is provided with the filter
of the invention at one end of a cigarette rod. The cigarette rod
is similar to a cigarette rod of a usual filter-tipped cigarette
and is constituted of a rod of a tobacco filler such as a shredded
tobacco and a cigarette wrapper wrapping an outer circumferential
surface of a tobacco filler rod. A filter is connected to the
cigarette rod with a tip paper. The length of the cigarette rod is
usually 40 mm to 70 mm, and the diameter may be the same as the
diameter of the filter, or, in order to further secure the
connection to the filter with the tip paper using glue, the
diameter may be slightly larger than the diameter of the filter
(the maximum diameter is 0.5 mm).
[0036] Hereinafter, an aspect of the invention will be described
with reference to the drawings. Throughout the drawings, similar
components are assigned the same reference numerals, and the
repeated description is omitted.
[0037] FIG. 1 is an enlarged schematic perspective view showing an
example of a filter according to the first aspect of the invention.
A filter 10 shown in FIG. 1 has a columnar filter body 110
constituted of a tow of a cellulose acetate fiber bound with a
plasticizer such as triacetin. The filter body 110 incorporates a
plurality of flavor-releasing members extending in parallel to the
central axis of the filter body 110. A plurality of
flavor-releasing members is constituted of a plurality of discrete
yarns carrying the flavor-releasing component containing a pure
flavorant. One of those flavor-releasing members contains a pure
flavorant different from a pure flavorant contained in the other
one or more flavor-releasing members. In FIG. 1, two
flavor-releasing members 121 and 122 are incorporated in the filter
body 110. For example, the flavor-releasing member 121 is
constituted of a cotton yarn 121a carrying the flavor-releasing
component constituted of a pure flavorant A, and the
flavor-releasing member 122 is constituted of a cotton yarn 122a
carrying the flavor-releasing component constituted of a pure
flavorant B combined with cyclodextrin or a pure flavorant C
combined with dextrin. The pure flavorant A is a flavorant
different from the pure flavorant B and/or the pure flavorant C.
The cotton yarns 121a and 122a can be colored in colors different
from each other. The outer circumferential surface of the filter
body 110 is wrapped by a filter wrapper 130 to provide the filter
10. The filter 10 specifies a front end surface 10a and a base end
surface 10b. When the filter 10 is connected to a cigarette rod,
the front end surface 10a can be abutted against a base end surface
of the cigarette rod. A filter region including the base end
surface 10b of the filter 10 is held by a smoker.
[0038] FIG. 2 is an enlarged schematic perspective view showing
another example of a filter according to the first aspect of the
invention. A filter 20 shown in FIG. 2 has a structure similar to
the structure of the filter 10 of FIG. 1 except that three
flavor-releasing members 221, 222, and 223 are incorporated in the
filter body 110. For example, the flavor-releasing member 221 is
constituted of a cotton yarn 221a carrying the flavor-releasing
component constituted of the pure flavorant A, the flavor-releasing
member 222 is constituted of a cotton yarn 222a carrying the
flavor-releasing component constituted of the pure flavorant B
combined with cyclodextrin, and the flavor-releasing member 223 is
constituted of a cotton yarn 223a carrying the flavor-releasing
component constituted of the pure flavorant C combined with
dextrin. For example, the pure flavorant A, the pure flavorant B
and the pure flavorant C are flavorants different from each other
and accordingly emit different flavors. The cotton yarns 221a,
222a, and 223a can be colored in colors different from each other.
For example, the cotton yarn 221a may be colored in blue, the
cotton yarn 222a may be colored in yellow, and the cotton yarn 223a
may be colored in pink.
[0039] FIG. 3 is an enlarged schematic view showing an example of a
filter according to the second aspect of the invention. A filter 30
shown in FIG. 3 has a structure similar to the structure of the
filter 10 shown FIG. 1 except that instead of the flavor-releasing
members 121 and 122, a flavor-releasing member 310 constituted of a
yarn 310a carrying a plurality of flavor-releasing components is
incorporated in the filter body 110. The yarn 310a carrying a
plurality of flavor-releasing components can be formed by, for
example, twisting together a cotton filament carrying the
flavor-releasing component constituted of the pure flavorant A, a
cotton filament carrying the flavor-releasing component constituted
of the pure flavorant B combined with cyclodextrin, and a cotton
filament carrying the flavor-releasing component constituted of the
pure flavorant C combined with dextrin. The pure flavorant A, the
pure flavorant B, and the pure flavorant C may be flavorants
different from each other, and these pure flavorants accordingly
emit different flavors. Two or more the flavor-releasing member 310
can be inserted through the filter body 110.
[0040] FIG. 4 is an enlarged schematic perspective view showing an
example of a filter-tipped cigarette according to the invention. A
filter-tipped cigarette 40 shown in FIG. 4 is provided with a
cigarette rod 410 having a front end 410a and a base end 410b
constituting an ignition end and a filter 420 having a front end
420a and a base end 420b. In the cigarette rod 410 and the filter
420, the base end 410b of the cigarette rod and the front end 420a
of the filter are abutted against each other, whereby the cigarette
rod 410 and the filter 420 are connected by a tip paper 430. The
cigarette rod 410 is constituted of a rod 411 of the tobacco filler
described above and a cigarette wrapper 412 wrapping an outer
circumferential surface of the tobacco filler rod 411. A filter 420
is constituted of a filter of the invention. For example, the
filter 420 can be constituted of the filter 10 shown in FIG. 1, the
filter 20 shown in FIG. 2, or the filter 30 shown in FIG. 3.
[0041] FIG. 5 is a graph for explaining a change for each puff of
an amount (delivery amount) of a flavorant fed from the filter 420
in the cigarette mainstream smoke passing through the filter 420
when the cigarette of FIG. 4 provided with the filter 20 of FIG. 2
as the filter 420 is smoked.
[0042] For example, the main body 110 of the filter 20 incorporates
an flavor-releasing member (flavor-releasing member A) constituted
of the cotton yarn 221a carrying the flavor-releasing component
constituted of the pure flavorant A, an flavor-releasing member
(flavor-releasing member B) constituted of the cotton yarn 222a
carrying the flavor-releasing component constituted of the pure
flavorant B combined with cyclodextrin, and the flavor-releasing
member (flavor-releasing member C) constituted of the cotton yarn
223a carrying the flavor-releasing component constituted of the
pure flavorant C combined with dextrin, and the pure flavorant A,
the pure flavorant B, and the pure flavorant C are different from
each other. The amount of the flavorant fed into the cigarette
mainstream smoke from the flavor-releasing member A gradually
increases substantially linearly for each puff (curve a). Although
the amount of the flavorant fed into the cigarette mainstream smoke
from the flavor-releasing member B is larger than that in the
flavor-releasing member A from an initial stage to an intermediate
stage of puff, the amount then gradually decreases, and the
delivery amount of the flavorant is smaller than that of the
flavor-releasing member A in a late stage of puff (curve b).
Although the amount of the flavorant fed into the cigarette
mainstream smoke from the flavor-releasing member C is very small
from the puff initial stage to the intermediate state, the
flavorant amount rapidly increases in the puff late stage and is
larger than the flavorant delivery amounts from the
flavor-releasing members A and B (curve c). Thus, when a smoker
smokes the filter-tipped cigarette according to the invention, the
smoker can taste not only a flavor of the cigarette itself but also
a blend of flavors of heterogeneous flavorants having different
amounts for each puff.
EXAMPLES
[0043] Hereinafter, although this invention will be described with
reference to examples, the invention is not limited by the
following examples.
Example 1
[0044] In this example, a filter having a structure shown in FIG. 1
was produced, and the filter was connected to a cigarette rod to
produce a filter-tipped cigarette, and, thus, to provide the
cigarette to sensory evaluation.
[0045] Specifically, following the method disclosed in the Japanese
Examined Patent Publication No. 63-38187, two sets of flavorant
emitting member manufacturing apparatuses constituted of cheese of
bleached cotton yarn of 20/8 in the English count, a flavorant
tank, a flavorant feeding pump, a flavorant applicator, and so on
were provided to be mounted to a normal filter manufacturing
machine, a polypropen solution of L-menthol (concentration of 70%)
was put in the flavorant bath of one of the flavorant emitting
member manufacturing apparatus, and .alpha.-cyclodextrin inclusion
ethyl butyrate (sweet flavorant) (concentration of 50%) dispersed
in polypropylene glycol was put in the flavorant bath of the other
flavorant emitting member manufacturing apparatus. Both the
flavorant emitting member manufacturing apparatuses and the filter
manufacturing machine were driven, and a desired filter long body
was produced. In the specification of cellulose acetate fiber tow
constituting the filter body, a fineness was 2.5 denier, a total
fineness was 35000 denier, and the cross-sectional shape of each
fiber was a Y shape. In the filter wrapper, the air permeability
was a 10000 cholester unit (CU), the basis weight was 24.0
g/m.sup.2, and the width was 26.5 mm. The obtained filter long body
had a circumference of 24.5 mm and a length of 100 mm.
[0046] With the use of the filter long body and a tobacco filler, a
cigarette wrapper, and a Lip paper required for producing a
cigarette rod of a commercially available cigarette product (SALEM
ALASKA), a filter-tipped cigarette was manufactured by a normal
cigarette hoisting machine. In this case, the filter long body was
divided into four portions, and a length of 25 mm per one cigarette
was butted against the cigarette rod.
[0047] In the specification of the cigarette rod, the
circumferential length was 24.5 mm, and the length was 84 mm.
[0048] 20 filter-tipped cigarettes produced thus were put in a
normal cigarette package, and the cigarette package was sealed. The
cigarette package was stored for one month under an environment of
a temperature of 22.degree. C. and a relative humidity of 60%.
After the storage, the filter-tipped cigarette was removed from the
package. The cigarette was smoked by seven panelists, and sensory
evaluation of the fragrance inhaling taste was performed.
[0049] In the sensory evaluation, the following fragrance inhaling
taste evaluation items per one cigarette were scored for each puff
from first puff to seventh puff.
[0050] <Fragrance Inhaling Taste Evaluation Items>
[0051] Sense of menthol: seven expert evaluators of the company of
the applicant who were professionally trained in the fragrance
inhaling taste evaluation of a cigarette and were put in charge of
evaluating the fragrance inhaling taste and developing the
fragrance inhaling taste scored sensory score by the following
standards, and an average value was calculated.
[0052] In cigarette products sold by the company of the applicant,
the sensory score of the sense of menthol of the cigarette product
showing the strongest sense of menthol was set to 2.0 points
(reference point), and the sensory score of the sense of menthol of
the cigarette product having no sense of menthol was set to 1.0
point (reference point). The evaluation point of the cigarette
manufactured in the example 1 relative to both the reference points
was scored at steps of 0.1 point.
[0053] Sense of sweet: the above seven expert evaluators scored the
sensory score by the following standards, and the average value was
calculated.
[0054] In the cigarette products sold by the company of the
applicant, the sensory score of the sense of sweet of the cigarette
product showing the strongest sense of sweet was set to 2.0 points
(reference point), and the sensory score of the sense of sweet of
the cigarette product having the weakest sense of sweet was set to
1.0 point (reference point). The evaluation point of the cigarette
manufactured in the example 1 relative to both the reference points
was scored at steps of 0.1 point.
[0055] The results obtained by averaging the evaluation results
from the seven people are shown as the sensory score in the
following Table 1.
TABLE-US-00001 TABLE 1 sensory score for each puff (average value)
First Second Third Fourth Fifth Sixth Seventh puff puff puff puff
puff puff puff Sense of 1.50 1.53 1.44 1.46 1.46 1.28 1.33 sweet
Sense of 1.28 1.29 1.36 1.44 1.49 1.55 1.60 menthol
[0056] The results shown in Table 1 are shown as a graph in FIG. 6.
In FIG. 6, a line segment a shows the results of the sense of
sweet, and a line segment b shows the results of the sense of
menthol.
[0057] As seen in the above results, the sense of sweet and the
sense of menthol were significantly changed as the puff progresses.
Namely, it is considered that menthol which is not clathrated in
cyclodextrin transfers from cotton yarn to other portions (shredded
cigarette, cellulose acetate fiber, and so on) during the storage
and is distributed in the cigarette in a state of being close to an
equilibrium state. The delivery of menthol to the cigarette
mainstream smoke is similar to a behavior for each puff of tar in
the cigarette mainstream smoke. On the other hand, the sweet
flavorant (ethyl butyrate) clathrated in cyclodextrin stays in the
cotton yarn during the storage, and from the moment the mainstream
smoke is passed in the filter by smoking, the sweet flavorant is
emitted strongly depending on the amount of the passed mainstream
smoke; therefore, the sense of sweet is strongly expressed in the
early part of smoking in comparison with menthol which is not
clathrated in cyclodextrin.
Example 2
[0058] In this example, an L-menthol-containing dextrin powder was
produced as follows.
[0059] Namely, 1 part by weight of sucrose fatty acid ester ("Ryoto
Sugar Ester S-1170" manufactured by Mitsubishi-Kagaku Foods
Corporation) was added to 59 parts by weight of purified water, and
the mixture was stirred at 60.degree. C. for 10 minutes. 40 parts
by weight of dextrin (produced by Sanwa Starch Co., Ltd., "Sandec
#185") was added to the prepared solution, and the mixture was
stirred for 30 minutes. While the prepared solution was kept at 50
to 60.degree. C., 13.67 parts by weight of L-menthol was added and
dissolved. The prepared solution was emulsified at 12000 rpm for 10
minutes by a TK homomixer to produce a spray solution. While the
spray solution is kept at 50 to 60.degree. C., the solution was
sent to a spray dryer ("spray dryer MDL-050M" manufactured by
Fujisaki Electric Co., Ltd.) and spray dried at 180.degree. C.
Consequently, a dextrin powder containing L-menthol in an amount of
25% by weight was obtained.
[0060] Next, a flavorant emitting member manufacturing apparatus
constituted of cheese of bleached cotton yarn of 20/16 in the
English count, a flavorant tank, a flavorant feeding pump, a
flavorant applicator, and so on was provided to be mounted to a
normal filter manufacturing machine, and a polypropen solution of
L-menthol (concentration of 70%) or the L-menthol-containing
dextrin powder dispersed in polypropylene glycol was put in the
flavorant bath of the flavorant emitting member manufacturing
apparatus. The flavorant emitting member manufacturing apparatus
and the filter manufacturing machine were driven, and a desired
filter long body was produced. In the specification of cellulose
acetate fiber tow constituting the filter body, the fineness was
3.5 denier, the total fineness was 35000 denier, and the
cross-sectional shape of each, fiber was a Y shape. The filter
wrapper used in the example 1 was used. The obtained filter long
body had a circumference of 24.5 mm and a length of 100 mm. A
cotton yarn carrying a flavorant was inserted through the center of
the filter long body.
[0061] Two kinds of filter-tipped cigarette samples A and B were
produced as in the example 1 except for using the obtained filter
long body. The filter-tipped cigarette sample A contained L-menthol
(additive amount: 11.5 g per a filter length of 25 mm) not
contained in dextrin, and the filter-tipped cigarette sample B
contained L-menthol (additive amount: 10.0 g per a filter length of
25 mm) contained in the above dextrin powder. In the cigarette
samples A and B, the ventilation resistances of both the filters
were the same.
[0062] The obtained filter-tipped cigarette samples A and B were
stored for one month as in the example 1, and then the amount of
menthol in the mainstream smoke for each puff was measured as
follows.
[0063] With the use of a five link type rotary automatic smoker,
five filter-tipped cigarette samples having the same specification
were set, smoking up to seven puffs was performed under ISO
standard smoking conditions. For each puff, cigarette mainstream
smoke components were collected by a glass fiber filter installed
in advance, the cigarette mainstream smoke components were
extracted with ethanol, and the menthol amount was measured by a
gas chromatograph. The same operation was performed twice with
respect to the cigarette samples having the same specification, and
an average value of the menthol amount in the mainstream smoke was
calculated. The average value was divided by an average value of a
total menthol amount of seven puffs and expressed in percentage,
and the evaluation results were obtained. The results are shown in
the following Table 2.
TABLE-US-00002 TABLE 2 ratio (%) of emitting menthol in mainstream
smoke First Second Third Fourth Fifth Sixth Seventh puff puff puff
puff puff puff puff Sample A 5.32 12.52 13.95 15.86 16.54 16.54
19.23 Sample B 2.07 4.68 6.59 7.86 10.05 17.23 51.52
[0064] The results shown in Table 2 are shown as a graph in FIG. 7.
In FIG. 7, a line segment a shows the results of the sample A, and
a line segment b shows the results of the sample B.
[0065] As seen in comparison of the results of the samples A and B,
as puff progresses, the menthol amount in the mainstream smoke,
that is, the strength of the sense of menthol is significantly
different between them. In the sample B, since menthol is contained
in (carried by) dextrin, menthol is emitted from dextrin by water
in the mainstream smoke passing through a filter, and therefore,
the menthol amount in the mainstream smoke significantly increases
in the seventh puff. It is considered that this phenomenon is
caused by the fact that accumulation of water up to the sixth puff
and relative reduction of dilution of the mainstream smoke
according to a cigarette wrapper having an air permeability due to
that a combustion portion approaches the filter increase the water
temperature in the mainstream smoke passing through the filter.
[0066] As shown in the examples 1 and 2, the flavor-releasing
behavior from the flavor-releasing member carrying various
flavorants becomes apparent. It will be apparent from the results
of the flavor-releasing behaviors that a cigarette to which a
filter incorporating a plurality of flavorant-releasing members
carrying different flavorants is provided to be mounted can provide
different flavors for each puff in accordance with the present
invention.
REFERENCE SIGNS LIST
[0067] 10, 20, 30, 420 Filter [0068] 110 Filter body [0069] 121 to
122, 221 to 223, 310 Flavor-releasing member [0070] 121a, 122a,
221a, 222a, 223a, 310a Discrete yarn [0071] 130 Filter wrapper
[0072] 40 Filter-tipped cigarette [0073] 410 Cigarette rod [0074]
411 Tobacco filler rod [0075] 412 Cigarette wrapper [0076] 430 Tip
paper
* * * * *