Tobacco – Tobacco or tobacco substitute product or component part thereof – Compositions – e.g. – smoking or chewing mixture or medium
Patent
1995-09-26
1998-07-14
Millin, V.
Tobacco
Tobacco or tobacco substitute product or component part thereof
Compositions, e.g., smoking or chewing mixture or medium
131194, 131359, A24B 1512
Patent
active
057788995
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a smoking article, and more particularly to a smoking article containing a flavor-generating material which is capable of stably retaining the flavoring components, and at the same time capable of readily releasing the flavoring components when it is burned, without generating any obnoxious taste and smell.
BACKGROUND ART
A tobacco article is a representative smoking article, which includes dried leaf tobacco as a main smoking material and in which the flavor is generated by burning the material which is tasted through gustatory or olfactory organs of human. In tobacco articles, a flavor-generating material containing flavoring components has been conventionally employed for the purpose of improving the taste of tobacco.
However, the conventional flavor-generating materials are poor in stably retaining the flavoring components. Therefore, the smoking articles containing the conventional flavor-generating material have a tendency that its flavoring components escape through vaporization when the articles are stored for a long period of time, and the flavors can not be tasted stably during smoking. Meanwhile, it is required that the flavor-generating material do not generate obnoxious taste and smell upon burning.
Accordingly, an object of the present invention is to provide a smoking article containing a flavor-generating material which is capable of stably retaining the flavoring components, and at the same time capable of readily releasing the flavoring components when it is burned, without generating any obnoxious taste and smell.
DISCLOSURE OF THE INVENTION
To achieve the above object, a heat-irreversibly coagulating glucan which has been heat-irreversibly gelled is used in the present invention as a holding material for holding a flavoring component or components, in a flavor-generating material. Flavoring components are added beforehand to an ungelled glucan (usually in the form of a dispersion in water), and the mixture is then subjected to gelation of the glucan by heating. Thus, the flavoring components are incorporated or entrapped within the three-dimensional network of the glucan molecules and strongly fixed therein. The flavor-generating material containing this heat-irreversible gel of the glucan as a holding material for the flavoring components is capable of firmly fixing and retaining the flavoring components under the ordinary storage conditions, and of readily releasing a sufficient amount of the flavoring components when it is burned (i.e. it releases a sufficient amount of flavoring component only if burned: for the generation of flavor). In addition, the flavor-generating material does not generate any obnoxious taste or smell upon burning. The smoking article of the present invention has a burnable smoking element which comprises this flavor-generating material and optionally cut tobacco and/or cut tobacco substitute. Further scope of applicability of the present invention will become apparent from the detailed description given hereinafter. However, it should be understood that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will become more fully understood from the detailed description given hereinbelow and the accompanying drawings which are given by way of illustration only, and thus are not limitative of the present invention, and wherein:
FIG. 1 is a sectional view schematically showing one embodiment of a smoking article according to the present invention; and
FIG. 2 is a graph showing the result of organoleptic evaluation of a smoking article of the present invention in comparison with that of a control.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The present inventors have conducted extensive stu
REFERENCES:
patent: 4109663 (1978-08-01), Maeda et al.
patent: 4256126 (1981-03-01), Seligman et al.
patent: 4518581 (1985-05-01), Miyake et al.
Anzai Yuriko
Ichinose Hiroshi
Saito Yutaka
Suzuki Ryuichi
Deane, Jr. William J.
Japan Tobacco Inc.
Millin V.
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