JPH0523159A - Cigarette filter - Google Patents

Abstract

PURPOSE:To provide a cigarette filter containing ellagic acid, moderating irritation and giving a mild touch without greatly affecting the taste and smell of the cigarette. CONSTITUTION:The objective cigarette filter capable of removing toxic substances contained in the smoke of the cigarette comprises a filter such as cellulose filter, acetate filter or rayon filter, incorporated with ellagic acid obtained by the acidic decomposition of ellagitannin, etc.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tobacco filter which is expected to be effective in removing harmful substances in tobacco smoke.

[0002]

2. Description of the Related Art It is well known that cigarette smoke adversely affects the human body, and therefore various filters for removing harmful substances in smoke have been devised and used. Most of them are for the purpose of removing nicotine and tar, but as seen in JP-A-59-183684 or 63-39574, filters for the purpose of removing the tumor promoting factors bentanthracene and benzpyrene are also available. Proposed.

[0003]

[Means for Solving the Problems] The inventors of the present invention have made various studies to provide a filter that can be converted into a mild tobacco with less irritation without changing the taste or aroma of the tobacco. It was found that the desired filter can be obtained by allowing the acid to exist.

The present invention is based on this finding,
The present invention will be specifically described below. Ellagic acid is a kind of polyphenol compound widely distributed in plants in nature, and is also present in a free state in plants, but in many cases, it is one of the constituent components of tannin called ellagitannin. Existing.

It is known that ellagic acid has a strong blood coagulation action, and it is used in the field of clinical chemistry for the separation of serum, and also its antioxidant power is applied to the antioxidant of foods. It is a substance. Furthermore, ellagic acid has been found to have an antimutagenic activity, and is also a substance expected as a cancer preventive agent.

Ellagic acid is obtained by acid decomposition of ellagitannin, oxidative polymerization of gallic acid or its ester, or tannin in which gallic acid residues are bound, as described in JP-A-2-255686. It is produced by a method of bringing an oxidizing agent into contact with a pH of 7 or more. The present invention allows the ellagic acid thus produced to be present in a filter such as a cellulose acetate filter, a rayon filter, a polypropylene filter, or a paper filter. The method is a conventional method, for example, ellagic acid powder is used as a filter group. Adopting a method of sprinkling and adhering to a material, a method of spraying or impregnating an ellagic acid suspension to adhere, or a method of suspending ellagic acid in a filter substrate solution before spinning at the time of manufacturing a filter substrate. You can

The finer the particle size of ellagic acid used, the better.
Fine particles of about 0.1 to 10 microns are preferable. The amount used is 1 to 20 mg. In this way, the filter containing ellagic acid softens the irritation of tobacco and brings about a mild feeling, and due to the antimutagenic activity of ellagic acid, removal of harmful substances from cigarette smoke is also expected. Needless to say, the cigarette filter of the present invention may be directly attached to the cigarette or provided on the pipe.

[0008]

EXAMPLES The effects of the present invention will be shown with reference to the following examples. Example A commercially available plastic pipe was packed with a 10 mm width cellulose acetate fiber filter base material, and 20 mg width cellulose having 10 mg of ellagic acid having an average particle size of 2 microns was sprinkled and adhered onto the filter base material (on the side where the tobacco was inserted). A filter base made of acetate fiber was packed to obtain a pipe with a filter containing ellagic acid. As a control, a pipe with a filter filled with only a 30 mm cellulose acetate fiber filter substrate was prepared.

When 20 smokers used these pipes to compare and compare the cigarettes that normally smoke, 15 people had no difference in aroma and taste compared to the control pipe, but they were irritating. Was weak and mild. Further, when the tobacco from which the highlight filter portion was removed was similarly subjected to a comparison, the same results as above were obtained.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tatsuya Sakakibara, 339 Noda, Noda, Chiba Prefecture, Kitsukoman Corporation (72) Inventor, Katsumi Yuasa, 339, Noda, Noda, Chiba Prefecture, Kitsukoman, Ltd.

Claims (1)

Claim: What is claimed is: 1. A tobacco filter, characterized in that ellagic acid is present in the filter.