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JP4277239B2 - Antibacterial composition - Google Patents
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JP4277239B2 - Antibacterial composition - Google Patents

Antibacterial composition Download PDF

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JP4277239B2
JP4277239B2 JP12943298A JP12943298A JP4277239B2 JP 4277239 B2 JP4277239 B2 JP 4277239B2 JP 12943298 A JP12943298 A JP 12943298A JP 12943298 A JP12943298 A JP 12943298A JP 4277239 B2 JP4277239 B2 JP 4277239B2
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Prior art keywords
undecylenate
magnesium
antibacterial
liquids
antibacterial composition
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JP12943298A
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JPH11292760A (en
Inventor
公也 水井
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豊国製油株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は抗菌用組成物に関する。具体的には、身近な生活環境におけるカビ・細菌の繁殖抑制・死滅により衛生的環境を保つための抗菌剤、防臭剤、ベビーパウダー、入浴剤、毛髪剤、歯磨きペースト、歯磨き粉、化粧品、洗剤、石鹸などの家庭用品、皮膚病などの治療薬、等に係わるものである。
【0002】
【従来の技術】
抗菌剤・殺菌剤としては、石炭酸、クレゾールや逆性石鹸(4級アンモニウム塩)などが身近である。しかし、石炭酸やクレゾールは皮膚刺激性や特有の悪臭があり更にその有毒性から、直ちに清水でこれらを洗い落とす必要があり、一般に好まれない。また逆性石鹸も皮膚をヌルヌルとさせ不快感がある。近年汗に含まれる成分としてウンデシレン酸が安全性の点で注目され、ウンデシレン酸およびウンデシレン酸亜鉛が化粧品や医薬への使用が国内において既に認められている。更に最近ウンデシレン酸カルシウムのボディパウダーとしての使用(US696,260:CA113 11957v)やウンデシレン酸銅の抗菌軟膏(CA 54 13547i)や水虫薬(特許開81−87521)への使用が報告され、既に米国ではウンデシレン酸カルシウムとウンデシレン酸銅を含む人用抗菌剤としての販売が許可されている(CA119 210348w)。しかしウンデシレン酸マグネシウムについてはこれまで検討された報告はない。
【0003】
【発明が解決しようとする課題】
従来のウンデシレン酸系抗菌成分のうち、ウンデシレン酸は独特の臭気があり用途が制限されている。ウンデシレン酸亜鉛は溶解性に乏しくて配合上の制約があり高価である。ウンデシレン酸銅は鮮やかな緑色のため用途が制限される。またウンデシレン酸カルシウムは溶解性に乏しく配合上の制約がある。
【0004】
【課題を解決するための手段】
本発明者は、ウンデシレン酸化合物の幅広い探索を行い、ウンデシレン酸マグネシウムが、人および環境に安全であり、しかもウンデシレン酸亜鉛より優れる抗菌性と溶解性をもち、また無色であるので幅広い抗菌用組成物の配合成分に利用できることを見いだした。すなわち、本発明は、ウンデシレン酸マグネシウムを必須成分として含有することを特徴とする抗菌用組成物に関する。
【0005】
ウンデシレン酸マグネシウムは、ウンデシレン酸ナトリウムと塩化マグネシウム、硫酸マグネシウム、硝酸マグネシウム、酢酸マグネシウムなどの可溶性マグネシウム塩との反応やウンデシレン酸と水酸化マグネシウムとの反応などにより製造できる。経済性と安全性の観点から、海水の苦り成分である塩化マグネシウムの使用が好ましい。
【0006】
ウンデシレン酸マグネシウムは、エタノール、1,3−ブタンジオールや脂肪酸アミドなどへの溶解性に優れるのでこのような希釈剤により液体、クリーム状の抗菌用組成物に配合できる。また脂肪酸ジエタノールアミドなどに溶解する場合には多量の水での希釈も可能である。このようにした希釈溶液は各種の抗菌液、殺菌液、消毒液、皮膚病治療薬、更には防臭液、化粧液や化粧クリーム等に利用できる。
【0007】
ウンデシレン酸マグネシウムは、通常微細なパウダー状で得ることができるが目的により粒径のより大きな粒にすることも可能である。このような固体状のウンデシレン酸マグネシウムは、ベビーパウダー、パウダースプレーなどにタルク、亜鉛華などと共に配合できる。
【0008】
本発明の組成物の好ましい範囲は、ウンデシレン酸マグネシウムが0.0001〜100重量%であり、更に好ましくは、0.001〜50重量%である。またその他の公知の抗菌成分や溶剤、界面活性剤、色素、香料、増粘剤、安定化剤、保湿剤、皮膚浸透向上剤などの物質も必要に応じて添加できる。
【0009】
【発明の実施の形態】
本発明の実施の形態の例として、各種の抗菌液、殺菌液、消毒液、皮膚病治療薬、防臭液、化粧液や化粧クリーム、ベビーパウダー、パウダースプレーなどが上げられる。
【0010】
【実施例】
参考例1
2Lのセパラブルフラスコにイオン交換水500ml、水酸化ナトリウム40g(1モル)、ウンデシレン酸184g(1モル)を加えウンデシレン酸ナトリウム水溶液とする。攪拌しながらイオン交換水500mlに塩化マグネシウム六水和物102g(0.5モル)を溶解させた水溶液をやく1時間かけて加える。次に濾過、水洗してケーキ状のウンデシレン酸マグネシウムを得る。120°Cの熱風乾燥機で恒量になるまで乾燥しウンデシレン酸マグネシウム214gを得た。 純度98.1%(キレート法)
揮発分1.0%(1g,105°C,1時間)であった。
【0011】
実施例1
ウンデシレン酸マグネシウムの溶解性を調べた結果を表1に示した。
【0012】
比較例1
ウンデシレン酸亜鉛の溶解性を、実施例と同様に試験し表1に示した。
【0013】
【表1】

Figure 0004277239
実施例2
ウンデシレン酸マグネシウムの抗菌性能を試験し表2に示した。
【0014】
比較例2
ウンデシレン酸亜鉛の抗菌性能を試験し表2に示した。
【0015】
【表2】
Figure 0004277239
【0016】
実施例3
ウンデシレン酸マグネシウムの安全性試験を実施した。その結果を表3に示した。
【0017】
【表3】
Figure 0004277239
【0018】
本発明の抗菌用組成物は、上述の通りウンデシレン酸亜鉛よりエタノール、1,3−ブタンジオールへの溶解性に優れる上、白せん菌に対する最小発育阻止濃度(MIC)が低く抗菌性に優れ、さらにカビ・細菌を繁殖抑制し、人体や環境に安全であるので幅広い抗菌剤の商品化が可能となる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an antibacterial composition . Specifically, antibacterial agents, deodorants, baby powders, bathing agents, hair preparations, toothpastes, toothpastes, cosmetics, detergents, to maintain a hygienic environment by inhibiting and killing mold and bacteria in a familiar living environment It relates to household items such as soap, remedies for skin diseases, etc.
[0002]
[Prior art]
As antibacterial agents and bactericides, carboxylic acids, cresols and reverse soaps (quaternary ammonium salts) are familiar. However, carboxylic acid and cresol have skin irritation and peculiar odor, and since they are toxic, it is necessary to immediately wash them off with clean water, which is generally not preferred. Inverse soap also makes the skin slimy and uncomfortable. In recent years, undecylenic acid has attracted attention as a component contained in sweat in terms of safety, and undecylenic acid and zinc undecylenate have already been approved for use in cosmetics and medicine in Japan. Recently, the use of calcium undecylenate as a body powder (US696,260: CA113 11957v) and the use of copper undecylenate in antibacterial ointments (CA54 13547i) and athlete's foot drugs (Patent Opening 81-87521) have already been reported. Is permitted to be sold as a human antibacterial agent containing calcium undecylenate and copper undecylenate (CA119 210348w). However, there has been no report on magnesium undecylate.
[0003]
[Problems to be solved by the invention]
Among conventional undecylenic acid antibacterial components, undecylenic acid has a unique odor and its use is limited. Zinc undecylenate is poor in solubility, is limited in formulation, and is expensive. Copper undecylenate is limited in use because of its bright green color. In addition, calcium undecylenate is poorly soluble and has restrictions in formulation.
[0004]
[Means for Solving the Problems]
The present inventor has conducted a wide search for undecylenic acid compounds, and magnesium undecylenate is safe for humans and the environment, has antibacterial properties and solubility superior to zinc undecylenate, and is colorless, so it has a wide range of antibacterial compositions. It was found that it can be used as a compounding component of products . That is, the present invention relates to an antibacterial composition characterized by containing magnesium undecylenate as an essential component.
[0005]
Magnesium undecylenate can be produced by reacting sodium undecylenate with a soluble magnesium salt such as magnesium chloride, magnesium sulfate, magnesium nitrate, and magnesium acetate, or reacting undecylenic acid with magnesium hydroxide. From the viewpoint of economy and safety, it is preferable to use magnesium chloride which is a bitter component of seawater.
[0006]
Magnesium undecylenate is excellent in solubility in ethanol, 1,3-butanediol, fatty acid amides, and the like, and therefore can be blended into a liquid or cream antibacterial composition using such a diluent. When dissolved in fatty acid diethanolamide or the like, dilution with a large amount of water is also possible. The diluted solution thus prepared can be used for various antibacterial liquids, bactericidal liquids, disinfecting liquids, skin disease therapeutic agents, deodorant liquids, cosmetic liquids, cosmetic creams and the like.
[0007]
Magnesium undecylenate can usually be obtained in the form of a fine powder, but it can also be made larger in size depending on the purpose. Such a solid magnesium undecylate can be blended with baby powder, powder spray, and the like together with talc and zinc white.
[0008]
The preferable range of the composition of the present invention is 0.0001 to 100% by weight of magnesium undecylenate, and more preferably 0.001 to 50% by weight. Other known substances such as antibacterial components, solvents, surfactants, dyes, fragrances, thickeners, stabilizers, moisturizers, skin penetration enhancers, and the like can be added as necessary.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Examples of embodiments of the present invention include various antibacterial liquids, bactericidal liquids, disinfecting liquids, skin disease therapeutic agents, deodorant liquids, cosmetic liquids and cosmetic creams, baby powders, powder sprays, and the like.
[0010]
【Example】
Reference example 1
To a 2 L separable flask, 500 ml of ion exchange water, 40 g (1 mol) of sodium hydroxide and 184 g (1 mol) of undecylenic acid are added to obtain a sodium undecylenate aqueous solution. While stirring, an aqueous solution in which 102 g (0.5 mol) of magnesium chloride hexahydrate is dissolved in 500 ml of ion-exchanged water is added over 1 hour. Next, it is filtered and washed with water to obtain a cake-like magnesium undecylenate. It dried until it became constant weight with a 120 degreeC hot air dryer, and 214g of magnesium undecylenates were obtained. Purity 98.1% (chelate method)
The volatile content was 1.0% (1 g, 105 ° C., 1 hour).
[0011]
Example 1
The results of examining the solubility of magnesium undecylenate are shown in Table 1.
[0012]
Comparative Example 1
The solubility of zinc undecylenate was tested in the same manner as in the Examples and is shown in Table 1.
[0013]
[Table 1]
Figure 0004277239
Example 2
The antibacterial performance of magnesium undecylenate was tested and is shown in Table 2.
[0014]
Comparative Example 2
The antibacterial performance of zinc undecylenate was tested and is shown in Table 2.
[0015]
[Table 2]
Figure 0004277239
[0016]
Example 3
A safety test of magnesium undecylenate was conducted. The results are shown in Table 3.
[0017]
[Table 3]
Figure 0004277239
[0018]
The antibacterial composition of the present invention is excellent in solubility in ethanol and 1,3-butanediol from zinc undecylenate as described above, and has a low minimum inhibitory concentration (MIC) against fungus and excellent in antibacterial properties. In addition, it suppresses the growth of mold and bacteria, and is safe for the human body and the environment, making it possible to commercialize a wide range of antimicrobial agents.

Claims (1)

ウンデシレン酸マグネシウムを必須成分として含有することを特徴とする抗菌用組成物An antibacterial composition comprising magnesium undecylenate as an essential component.
JP12943298A 1998-04-03 1998-04-03 Antibacterial composition Expired - Fee Related JP4277239B2 (en)

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JP4277239B2 true JP4277239B2 (en) 2009-06-10

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100362885B1 (en) * 2000-08-18 2003-01-24 엔프라니 주식회사 Antimicrobial makeup compositions containing calcium undecylenate

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