JPH11279050A - Bathing agent - Google Patents

Bathing agent

Info

Publication number
JPH11279050A
JPH11279050A JP12264998A JP12264998A JPH11279050A JP H11279050 A JPH11279050 A JP H11279050A JP 12264998 A JP12264998 A JP 12264998A JP 12264998 A JP12264998 A JP 12264998A JP H11279050 A JPH11279050 A JP H11279050A
Authority
JP
Japan
Prior art keywords
chitosan
bathing
water
powder
bath
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12264998A
Other languages
Japanese (ja)
Inventor
Hiroaki Kuroki
洋明 黒木
Yukinari Tsuruta
幸成 鶴田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ONO HEITARO
Original Assignee
ONO HEITARO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ONO HEITARO filed Critical ONO HEITARO
Priority to JP12264998A priority Critical patent/JPH11279050A/en
Publication of JPH11279050A publication Critical patent/JPH11279050A/en
Pending legal-status Critical Current

Links

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  • Cosmetics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain a bathing agent having both improving effects on water quality and humectant properties in combination in addition to warm bathing effects and further high safety for human bodies and the ecosystem without damaging a bathtub. SOLUTION: This bathing agent contains a chitosan powder as an intact water-insoluble powder. The particle diameter of the chitosan powder is not especially limited, but is preferably 1-200 μm from the viewpoint of the one capable of industrially producing the chitosan powder, comfortableness in bathing or dispersibility in a bathtub. Although the molecular weight of the chitosan used herein depends on the treating time of deacetylation of chitin, the concentration of the treating solution, etc., the molecular weight is preferably <=100,000 recognizing some water-solubility from the aspects of direct effects of actions of the chitosan on the human body as the bathing agent.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、保温性保湿性に優
れ、水質改善効果を付与し、生態系への影響にも配慮し
た、新規の浴用剤に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel bath agent which is excellent in heat retention and moisture retention, imparts an effect of improving water quality, and considers the effect on ecosystems.

【0002】[0002]

【従来の技術】従来、浴用剤は硫酸ナトリウム、炭酸ナ
トリウム、炭酸水素ナトリウムなどを主剤とし、他にミ
ネラル成分や炭酸ガスの発生成分を配合し、これに適量
の香料や着色料を加えて、入浴により温浴効果を高め、
血行を促進し、疲労回復、肩こり、冷え性、神経痛など
に効能効果があるとして、多種多様なものが市販されて
いる。また、ハーブや生薬末を配合し、肌へのやさしさ
や、時には、薬効を表示しているものもあった。浴用剤
の使用形態としては、粉末状のもの、錠剤のもの、ペー
スト状のもの、液体状のものがあり、普通入浴時に、必
要量を浴槽に溶解して使用するのが一般的である。
2. Description of the Related Art Conventionally, bath agents have been mainly composed of sodium sulfate, sodium carbonate, sodium hydrogen carbonate, etc., and other components such as a mineral component and a carbon dioxide gas generating component. Enhance the warm bath effect by taking a bath,
A wide variety of products are marketed as being effective for promoting blood circulation and for relieving fatigue, stiff shoulders, chills, neuralgia and the like. In addition, there are some that contain herbs and herbal powders and show gentleness to the skin and sometimes medicinal properties. The form of use of the bath agent includes a powder, a tablet, a paste, and a liquid. In general, a necessary amount is dissolved in a bathtub when bathing and used.

【0003】一方で、一般家庭で入浴する場合、湯は大
部分が水道水を沸かしたものであり、これに含まれる塩
素等の物質が肌を通じて体に悪影響を及ぼすことが懸念
されているが、溶解して使用するタイプの浴用剤には、
水質改善効果が付与されない場合が多い。したがって、
水質改善によって入浴効果を高めようとしたコンセプト
の浴用剤はこれまであまり無かったといえる。
[0003] On the other hand, when bathing in a general household, most of the hot water is made by boiling tap water, and there is a concern that substances such as chlorine contained in the hot water may adversely affect the body through the skin. For bath agents of the type to be dissolved and used,
Water quality improvement effects are often not provided. Therefore,
It can be said that there have been few bath agents with the concept of improving the bathing effect by improving the water quality.

【0004】また、皮膚疾患に対する民間療法の一つ
に、水不溶性であるキトサンを希酸溶液中に溶かして入
浴剤とする方法が知られている。キトサンは、保湿性に
優れ、生体適合性もよいことが知られているため、入浴
剤として使用すれば優れたものとなることが予想され
る。その優れた保湿性に着目して、特開平8−3192
30号公報のように、カルボン酸により変性されたキト
サンを保湿剤主成分としたスキンケア浴用剤も提案され
ている。しかし、本発明者らによる予備的な試験によれ
ば、溶解に必要となる酸は浴槽内壁を痛めてしまうこと
が明らかとなっており、商品化にあたっては大きな問題
点となるものと知見した。
[0004] Further, as one of folk remedies for skin diseases, a method is known in which water-insoluble chitosan is dissolved in a dilute acid solution to prepare a bath agent. Chitosan is known to be excellent in moisturizing properties and good in biocompatibility. Therefore, it is expected that chitosan will be excellent when used as a bath agent. Paying attention to its excellent moisturizing property,
As disclosed in Japanese Patent Publication No. 30, a skin care bath agent containing chitosan modified with a carboxylic acid as a moisturizer is also proposed. However, preliminary tests by the present inventors have revealed that the acid required for dissolution damages the inner wall of the bathtub, and was found to be a serious problem in commercialization.

【0005】[0005]

【発明が解決しようとする課題】本発明はかかる状況を
鑑みてなされたものであり、従来の温浴効果に加えて、
水質改善効果と保湿性をあわせもち、浴槽を痛めること
なく、かつ人体および生態系への安全性の高い浴用剤を
提供することを目的とするものである。
SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and in addition to the conventional warm bath effect,
It is an object of the present invention to provide a bath agent which has both a water quality improving effect and a moisturizing property, does not damage a bathtub, and is highly safe for a human body and an ecosystem.

【0006】[0006]

【発明を解決するための手段】上記目的を達成するため
に、本発明者らは、浴用剤に適しており、かつ水質改善
効果を有する素材を鋭意探索し、新規浴用剤の完成に至
った。その要旨は、キトサンの粉末を水不溶性の粉体の
まま浴用剤とするものである。
Means for Solving the Problems In order to achieve the above object, the present inventors have diligently searched for a material which is suitable as a bath agent and has an effect of improving water quality, and have completed a new bath agent. . The gist is to use the chitosan powder as a bath agent as it is as a water-insoluble powder.

【0007】[0007]

【発明の実施の形態】本発明に用いられるキトサンと
は、主としてカニやエビ等の甲殻類のクチクラを原料と
して、ハックマン法等の公知の方法により、希酸による
脱灰および熱希アルカリによる脱タンパク処理し精製さ
れたキチンを熱濃アルカリ中で70〜100%脱アセチ
ル化した誘導体のことをいう。キトサンの粉末は、ボー
ルミル、ジェットミル、ターボミル等の公知方法で粉砕
したり、キトサンを酸性溶液中に分散溶解後、凝固剤と
接触させてキトサンを再生する等の公知方法で製造し、
その形態は、白色、淡褐色あるいは淡黄色の粉体であ
る。
BEST MODE FOR CARRYING OUT THE INVENTION Chitosan used in the present invention is mainly composed of crustacean cuticles such as crabs and shrimps as raw materials, by a known method such as the Hackman method or the like, and demineralization with dilute acid and demineralization with hot dilute alkali. It refers to a derivative obtained by subjecting protein-treated and purified chitin to 70 to 100% deacetylation in hot concentrated alkali. Chitosan powder, ball mill, jet mill, pulverized by a known method such as turbo mill, or manufactured by a known method such as regenerating chitosan by contacting with a coagulant after dissolving and dissolving chitosan in an acidic solution,
Its form is a white, light brown or light yellow powder.

【0008】このキトサン粉末そのものを浴用水中に分
散させ入浴すると、湯が非常に柔らかく快適になり、入
浴後の保温性は高く、肌がしっとりした感じになる。そ
の原理は定かではないが、本発明者らの推測によると、
水に溶けなくとも、キトサン粒子表面の反応性の高いア
ミノ基が塩素やタンパク質、重金属などを吸着すること
によって水質が改善され、皮膚を刺激する物質が除去さ
れることによって湯が柔らかく快適になり、また、アミ
ノ基が酸と塩を形成し、それが皮膚表面に直接作用する
ことによって、皮膚を中和するなどの何らかの作用をも
たらすものと考えられる。
When this chitosan powder itself is dispersed in bath water and bathed, the hot water becomes very soft and comfortable, the heat retention after bathing is high, and the skin feels moist. The principle is not clear, but according to the present inventors' guess,
Even if it does not dissolve in water, the highly reactive amino groups on the surface of the chitosan particles improve the water quality by adsorbing chlorine, proteins, heavy metals, etc., and remove the substances that irritate the skin, making the water soft and comfortable. In addition, it is considered that the amino group forms a salt with an acid, which acts directly on the skin surface, thereby causing some action such as neutralizing the skin.

【0009】本発明において、キトサン粉末の粒径は、
特に限定するものではないが、工業的にキトサン粉末を
製造できる粒径、入浴にあたっての快適性、または浴槽
への分散性の点から、1〜200μmが好ましい。
In the present invention, the particle size of the chitosan powder is
Although not particularly limited, a particle size of 1 to 200 μm is preferable from the viewpoint of a particle size at which a chitosan powder can be industrially produced, comfort in bathing, or dispersibility in a bathtub.

【0010】本発明に用いられるキトサンの分子量は、
キチンの脱アセチル化の処理時間、処理溶液濃度等によ
って決まるが、入浴剤としてのキトサンの人体への直接
の作用効果の面から、若干の水溶性が認められる10万
以下であることが望ましい。
The molecular weight of chitosan used in the present invention is as follows:
Although it depends on the treatment time of deacetylation of chitin, the concentration of the treatment solution and the like, it is desirable that the solubility is not more than 100,000 or less, from which a slight water solubility is recognized, in view of the direct effect on the human body of chitosan as a bath agent.

【0011】[0011]

【実施例】以下、実施例をあげて本発明を説明するが、
本発明はこれらに限定されるものではない。
Hereinafter, the present invention will be described with reference to examples.
The present invention is not limited to these.

【0012】実施例1 キトサン粉末(平均粒径50μm)5gを約40℃の湯
を入れた190lの浴槽に添加し、10分間入浴して、
入浴後の感触について評価を行った。パネラー20人に
対してアンケートを実施し、
Example 1 5 g of chitosan powder (average particle size: 50 μm) was added to a 190 liter bath containing hot water at about 40 ° C., and the bath was bathed for 10 minutes.
The feeling after bathing was evaluated. We conducted a questionnaire for 20 panelists,

【表1】の結果を得た。Table 1 shows the results.

【0013】[0013]

【表1】 [Table 1]

【0014】実施例2 キトサン粉末(平均粒径50μm)5gを約40℃の湯
を入れた180lの浴槽に添加して普通に1回入浴を行
い、湯をそのまま放置した。その後、浴槽内壁に不快な
「ぬめり」が発生するまでの日数を、キトサン粉末を添
加しない場合を対照区として比較した結果を
Example 2 5 g of chitosan powder (average particle size: 50 μm) was added to a 180 liter bath containing hot water at about 40 ° C., and the bath was usually bathed once, and the hot water was left as it was. After that, the number of days until the unpleasant “slime” occurred on the inner wall of the bathtub was compared with the case where no chitosan powder was added as a control.

【表2】に示した。The results are shown in Table 2.

【0015】[0015]

【表2】 [Table 2]

【0016】実施例3 キトサン粉末(平均粒径50μm)5gを約40℃の湯
を入れた180lの浴槽に添加し、アトピー性皮膚炎の
患者2名(22才女性、10才男性)を1週間毎日これ
に入浴させた。その結果、両名ともに、皮膚のかゆみが
軽減され、荒れた肌が平滑になることが確認された。
Example 3 5 g of chitosan powder (average particle size: 50 μm) was added to a 180 liter bath containing hot water at about 40 ° C., and two patients with atopic dermatitis (22-year-old female, 10-year-old male) were added to a bath. This was bathed every day of the week. As a result, in both cases, it was confirmed that itching of the skin was reduced and rough skin became smooth.

【0017】[0017]

【発明の効果】本発明の浴用剤は、浴槽中に分散して溶
解しないまま存在することに加えキトサンが強力な吸着
能力を有することから、湯の感触を非常に柔らかく快適
なものとした。この効果は、特に一番風呂に入った時に
顕著であり、沸かし直しをしても1週間程度持続する。
The bath preparation of the present invention makes the feel of hot water very soft and comfortable because chitosan has a strong adsorption ability in addition to being dispersed and not dissolved in the bathtub. This effect is particularly remarkable when taking the first bath, and it lasts for about one week even if the water is re-boiled.

【0018】本発明の浴用剤は、その水不溶性という性
質にもかかわらず、従来の入浴剤と同様の温浴効果が認
められた。
The bath agent of the present invention exhibited the same warm bath effect as the conventional bath agent despite its water insolubility.

【0019】また、湯を再利用のため放置した場合、本
発明による浴用剤を使用すると、使用しない場合と比較
して、3〜4日程度、浴槽内壁に「ぬめり」が発生する
のを抑える効果が認められた。
Further, when the hot water is left for reuse, the use of the bath agent according to the present invention suppresses the occurrence of "slime" on the inner wall of the bathtub for about 3 to 4 days as compared with the case where the hot water is not used. The effect was recognized.

【0020】キトサンは生体適合性に優れた素材である
ことが知られているが、溶解させずに浴用剤として使用
した場合でも顕著な保湿効果が認められた。特に、アト
ピー性皮膚炎等の皮膚疾患に対して、症状の軽減が認め
られた。
Although chitosan is known to be a material having excellent biocompatibility, a remarkable moisturizing effect was observed even when used as a bath agent without dissolving. In particular, symptoms of skin diseases such as atopic dermatitis were alleviated.

【0021】本発明の浴用剤は、使用後そのまま流して
も、微生物の作用によって容易に生物分解されることが
確かめられた。キトサンは自然界にも存在し、キトサナ
ーゼ、リゾチームなどの酵素によって分解され、地球上
に堆積することはない。したがって、環境にやさしく、
生態系の保全に効果が認められた。
It has been confirmed that the bath agent of the present invention is easily biodegraded by the action of microorganisms even if it is allowed to flow as it is after use. Chitosan also exists in nature, is degraded by enzymes such as chitosanase and lysozyme, and does not deposit on the earth. Therefore, environmentally friendly,
The effect was recognized for ecosystem conservation.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 黒木 洋明 神奈川県横浜市港南区日野南3丁目7番 大多良住宅2−504号 (72)発明者 鶴田 幸成 福岡県福岡市中央区地行1丁目10番30号 メゾン・ド・めぐみ103号 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroaki Kuroki 3-7-7 Hinominami, Konan-ku, Yokohama-shi, Kanagawa Prefecture 2-504 Otara Residence 2-72 (72) Inventor Yukinari Tsuruta 1-chome, Jyogyo, Chuo-ku, Fukuoka City, Fukuoka Prefecture No. 10-30 Maison de Megumi 103

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】キトサンを粉体のまま使用することを特徴
とする浴用剤。
(1) A bath agent comprising chitosan as a powder.
JP12264998A 1998-03-28 1998-03-28 Bathing agent Pending JPH11279050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12264998A JPH11279050A (en) 1998-03-28 1998-03-28 Bathing agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12264998A JPH11279050A (en) 1998-03-28 1998-03-28 Bathing agent

Publications (1)

Publication Number Publication Date
JPH11279050A true JPH11279050A (en) 1999-10-12

Family

ID=14841208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12264998A Pending JPH11279050A (en) 1998-03-28 1998-03-28 Bathing agent

Country Status (1)

Country Link
JP (1) JPH11279050A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020088864A (en) * 2001-05-22 2002-11-29 도영수 Functional bath additive composition made of chitosan and processing therefore
JP2006160672A (en) * 2004-12-08 2006-06-22 Nishikawa Rubber Co Ltd Allergy inhibitor, food, allergy-inhibiting method using the same, immunosuppressed animal and method for making the same
JP2010053096A (en) * 2008-08-29 2010-03-11 Data Action:Kk Bath agent and bath water
CN103893027A (en) * 2012-12-25 2014-07-02 青岛海芬海洋生物科技有限公司 Shower gel containing marine biological ingredient and preparing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020088864A (en) * 2001-05-22 2002-11-29 도영수 Functional bath additive composition made of chitosan and processing therefore
JP2006160672A (en) * 2004-12-08 2006-06-22 Nishikawa Rubber Co Ltd Allergy inhibitor, food, allergy-inhibiting method using the same, immunosuppressed animal and method for making the same
JP2010053096A (en) * 2008-08-29 2010-03-11 Data Action:Kk Bath agent and bath water
CN103893027A (en) * 2012-12-25 2014-07-02 青岛海芬海洋生物科技有限公司 Shower gel containing marine biological ingredient and preparing method thereof

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