JP2022036011A - Growth inhibitor for fungi of genus malassezia - Google Patents
Growth inhibitor for fungi of genus malassezia Download PDFInfo
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Abstract
Description
本発明は、Malassezia属真菌に対する増殖抑制剤に関する。 The present invention relates to growth inhibitors for Malassezia fungi.
Malassezia属真菌はヒト皮膚に常在する酵母様の真菌であり、その増殖に脂質を要求する、いわゆる好脂性真菌である。また、宿主の状態により、癜風、脂漏性皮膚炎、マラセチア毛包炎、アトピー性皮膚炎、乾癬、ざ瘡などの皮膚疾患の原因菌や増悪菌として知られている。現在Malassezia属真菌は18菌種に分類されており、Malassezia globosaやMalassezia restrictaは皮膚疾患患者あるいは健常人皮膚から必ず検出される菌種である(非特許文献1、2)。
上記疾患のうち、例えば、脂漏性皮膚炎の治療薬としては、外用ステロイド剤、非ステロイド系消炎外用剤、ケトコナゾールなどの抗真菌剤などが知られている(非特許文献3)。
Malassezia fungi are yeast-like fungi that are resident in human skin and are so-called lipophilic fungi that require lipids for their growth. It is also known as a causative bacterium or an exacerbating bacterium of skin diseases such as tinea versicolor, seborrheic dermatitis, Malassezia folliculitis, atopic dermatitis, psoriasis, and acne depending on the condition of the host. Currently, Malassezia fungi are classified into 18 bacterial species, and Malassezia globosa and Malassezia restricta are bacterial species that are always detected in the skin of patients with skin diseases or healthy humans (Non-Patent Documents 1 and 2).
Among the above-mentioned diseases, for example, as a therapeutic agent for seborrheic dermatitis, an external steroid agent, a non-steroidal anti-inflammatory external agent, an antifungal agent such as ketoconazole, and the like are known (Non-Patent Document 3).
しかしながら、Malassezia属真菌、特にヒト皮膚上で検出されるMalassezia globosaやMalassezia restrictaに対し、直接的に増殖抑制効果を有する薬剤は多くは報告されていない。
そこで、Malassezia属真菌の関与する疾患や症状の治療、改善、予防することのできる有効成分が求められている。
本発明は、従来における上記問題を解決するため、Malassezia属真菌に対する増殖抑制剤を提供することを課題とする。
However, many drugs that have a direct growth inhibitory effect on Malassezia fungi, particularly Malassezia globosa and Malassezia restricta detected on human skin, have not been reported.
Therefore, there is a demand for an active ingredient capable of treating, ameliorating, or preventing diseases and symptoms associated with Malassezia fungi.
An object of the present invention is to provide a growth inhibitor for a fungus of the genus Malassezia in order to solve the above-mentioned problems in the past.
本発明者らは、上記課題を解決すべく鋭意検討を重ねた結果、ハイビスカス花エキス、セイヨウキズタ葉/茎エキス、ローヤルゼリーエキス、テンチャエキス、オウゴンエキス、塩化N-[2-ヒドロキシ-3-(トリメチルアンモニオ)プロピル]加水分解ケラチン液からなる群から選ばれる少なくとも一種が、Malassezia属真菌、特にMalassezia globosaの増殖を抑制できるという新規用途に適することを見出し、本発明を完成させた。 As a result of diligent studies to solve the above problems, the present inventors have hibiscus flower extract, malassezia leaf / stem extract, royal jelly extract, tencha extract, ginger extract, N- [2-hydroxy-3- ( We have found that at least one selected from the group consisting of trimethylammonio) propyl] hydrolyzed keratin solution is suitable for a novel application capable of suppressing the growth of Malassezia fungi, particularly Malassezia globosa, and completed the present invention.
すなわち本発明は、
(1)ハイビスカス花エキス、セイヨウキズタ葉/茎エキス、ローヤルゼリーエキス、テンチャエキス、オウゴンエキス、塩化N-[2-ヒドロキシ-3-(トリメチルアンモニオ)プロピル]加水分解ケラチン液からなる群から選ばれる少なくとも一種を有効成分として含有することを特徴とするMalassezia属真菌に対する増殖抑制剤、
(2)皮膚用、及び/又は毛髪用である(1)に記載のMalassezia属真菌に対する増殖抑制剤、
(3)Malassezia属真菌がMalassezia globosaである(1)又は(2)に記載の増殖抑制剤、
である。
That is, the present invention
(1) Selected from the group consisting of hibiscus flower extract, malassezia leaf / stem extract, royal jelly extract, tencha extract, ginger extract, and N- [2-hydroxy-3- (trimethylammonio) propyl] hydrolyzed keratin solution. A growth inhibitor for Malassezia fungi, which is characterized by containing at least one as an active ingredient.
(2) The growth inhibitor for Malassezia fungi according to (1), which is for skin and / or for hair.
(3) The growth inhibitor according to (1) or (2), wherein the fungus of the genus Malassezia is Malassezia globosa.
Is.
本発明により、Malassezia属真菌の増殖抑制剤を提供することが可能になった。 INDUSTRIAL APPLICABILITY According to the present invention, it has become possible to provide an agent for suppressing the growth of a fungus of the genus Malassezia.
本発明のMalassezia属真菌の増殖抑制剤は、ハイビスカス花エキス、セイヨウキズタ葉/茎エキス、ローヤルゼリーエキス、テンチャエキス、オウゴンエキス、塩化N-[2-ヒドロキシ-3-(トリメチルアンモニオ)プロピル]加水分解ケラチン液からなる群から選ばれる少なくとも一種以上を含有し、皮膚用、及び/又は毛髪用として使用されるものである。上記各薬剤は、通常医薬品、医薬部外品、又は化粧品に用いられる品質のものを適宜使用することができる。 The growth inhibitor of the Malassezia fungus of the present invention is hibiscus flower extract, sardine leaf / stem extract, royal jelly extract, tencha extract, ginger extract, N- [2-hydroxy-3- (trimethylammonio) propyl] water chloride. It contains at least one selected from the group consisting of decomposed keratin solutions, and is used for skin and / or hair. As each of the above-mentioned drugs, those of a quality usually used for medicines, quasi-drugs, or cosmetics can be appropriately used.
本発明のハイビスカス花エキスは、アオイ科に属する植物名ロゼル(学名Hibiscus sabdariffa)の花から抽出されたエキスである。上記抽出物の抽出方法は特に限定されず、常法に従って行うことができる。抽出に用いられる抽出溶媒としては、極性溶媒、非極性溶媒のいずれも使用することができ、例えば水、エタノール、プロピレングリコール、1,3-ブチレングリコール、及びこれらの混液を用いることができる。上記抽出物は、抽出した溶液のまま用いても良く、必要に応じて、濃縮、希釈、濾過、活性炭等による脱色、脱臭、エタノール沈殿等の処理したものを用いても良い。さらには、抽出した溶液を濃縮乾固、噴霧乾燥、凍結乾燥等の処理を行い、乾燥物としたものとして用いても良い。また市販品を用いることもできる。 The hibiscus flower extract of the present invention is an extract extracted from the flower of the plant name Roselle (scientific name Hibiscus sabdariffa) belonging to the Malvaceae family. The extraction method of the above extract is not particularly limited and can be carried out according to a conventional method. As the extraction solvent used for extraction, either a polar solvent or a non-polar solvent can be used, and for example, water, ethanol, propylene glycol, 1,3-butylene glycol, and a mixed solution thereof can be used. The above-mentioned extract may be used as it is, or may be concentrated, diluted, filtered, decolorized with activated carbon, deodorized, ethanol precipitation or the like, if necessary. Further, the extracted solution may be subjected to treatments such as concentrated drying, spray drying, freeze-drying and the like to be used as a dried product. A commercially available product can also be used.
本発明の、Malassezia属真菌の増殖抑制剤におけるハイビスカス花エキスの配合量は、医薬品、医薬部外品、化粧品又は試薬で提供する場合、それぞれ組成物全体に対して好ましくは0.0001質量%~20質量%であり、より好ましくは0.001質量%~10質量%である。 The blending amount of the hibiscus flower extract in the growth inhibitor of the Malassezia fungus of the present invention is preferably 0.0001% by mass or more with respect to the entire composition when provided as a pharmaceutical product, a quasi drug, a cosmetic product or a reagent. It is 20% by mass, more preferably 0.001% by mass to 10% by mass.
本発明のセイヨウキズタ葉/茎エキスは、ウコギ科に属する植物名セイヨウキズタ(学名Hedera helix)の葉や茎から抽出されたエキスである。上記抽出物の抽出方法は特に限定されず、常法に従って行うことができる。抽出に用いられる抽出溶媒としては、極性溶媒、非極性溶媒のいずれも使用することができ、例えば水、エタノール、プロピレングリコール、1,3-ブチレングリコール、及びこれらの混液を用いることができる。上記抽出物は、抽出した溶液のまま用いても良く、必要に応じて、濃縮、希釈、濾過、活性炭等による脱色、脱臭、エタノール沈殿等の処理したものを用いても良い。さらには、抽出した溶液を濃縮乾固、噴霧乾燥、凍結乾燥等の処理を行い、乾燥物としたものとして用いても良い。また市販品を用いることもできる。 The ivy leaf / stem extract of the present invention is an extract extracted from the leaves and stems of the plant name Ivy (scientific name: Hedera helix) belonging to the family Araliaceae. The extraction method of the above extract is not particularly limited and can be carried out according to a conventional method. As the extraction solvent used for extraction, either a polar solvent or a non-polar solvent can be used, and for example, water, ethanol, propylene glycol, 1,3-butylene glycol, and a mixed solution thereof can be used. The above-mentioned extract may be used as it is, or may be concentrated, diluted, filtered, decolorized with activated carbon, deodorized, ethanol precipitation or the like, if necessary. Further, the extracted solution may be subjected to treatments such as concentrated drying, spray drying, freeze-drying and the like to be used as a dried product. A commercially available product can also be used.
本発明の、Malassezia属真菌の増殖抑制剤におけるセイヨウキズタ葉/茎エキスの配合量は、医薬品、医薬部外品、化粧品又は試薬で提供する場合、それぞれ組成物全体に対してそれぞれ組成物全体に対して好ましくは0.0001質量%~20質量%であり、より好ましくは0.001質量%~10質量%である。 When provided as a pharmaceutical product, a quasi-drug, a cosmetic product, or a reagent, the blending amount of the leaf / stem extract of the genus Malassezia fungus according to the present invention may be applied to the entire composition with respect to the entire composition. On the other hand, it is preferably 0.0001% by mass to 20% by mass, and more preferably 0.001% by mass to 10% by mass.
本発明のローヤルゼリーエキスは、ヨーロッパミツバチ(Apis mellifera L.)又はトウヨウミツバチ(Apis indika Radoszkowski)の花粉及び花密より生体内で産生し、咽頭腺又は大腮腺から分泌した分泌物から抽出されたエキスである。上記抽出物の抽出方法は特に限定されず、常法に従って行うことができる。抽出に用いられる抽出溶媒としては、極性溶媒、非極性溶媒のいずれも使用することができ、例えば水、エタノール、プロピレングリコール、1,3-ブチレングリコール、及びこれらの混液を用いることができる。上記抽出物は、抽出した溶液のまま用いても良く、必要に応じて、濃縮、希釈、濾過、活性炭等による脱色、脱臭、エタノール沈殿等の処理したものを用いても良い。さらには、抽出した溶液を濃縮乾固、噴霧乾燥、凍結乾燥等の処理を行い、乾燥物としたものとして用いても良い。また市販品を用いることもできる。 The royal jelly extract of the present invention is an extract produced in vivo from the pollen and flower density of the European honey bee (Apis mellifera L.) or the western honey bee (Apis indika Radoszkowski) and extracted from the secretion secreted from the pharyngeal gland or the large axillary gland. Is. The extraction method of the above extract is not particularly limited and can be carried out according to a conventional method. As the extraction solvent used for extraction, either a polar solvent or a non-polar solvent can be used, and for example, water, ethanol, propylene glycol, 1,3-butylene glycol, and a mixed solution thereof can be used. The above-mentioned extract may be used as it is, or may be concentrated, diluted, filtered, decolorized with activated carbon, deodorized, ethanol precipitation or the like, if necessary. Further, the extracted solution may be subjected to treatments such as concentrated drying, spray drying, freeze-drying and the like to be used as a dried product. A commercially available product can also be used.
本発明の、Malassezia属真菌の増殖抑制剤におけるローヤルゼリーエキスの配合量は、医薬品、医薬部外品、化粧品又は試薬で提供する場合、それぞれ組成物全体に対して好ましくは0.0001質量%~20質量%であり、より好ましくは0.001質量%~10質量%である。 The blending amount of the royal jelly extract in the growth inhibitor of the Malassezia fungus of the present invention is preferably 0.0001% by mass to 20% by mass with respect to the entire composition when provided as a pharmaceutical product, a quasi drug, a cosmetic product or a reagent. It is by mass, more preferably 0.001% by mass to 10% by mass.
本発明のテンチャエキスは、バラ科に属する植物名甜茶(学名Rubus suavissimus)の葉から抽出されたエキスである。上記抽出物の抽出方法は特に限定されず、常法に従って行うことができる。抽出に用いられる抽出溶媒としては、極性溶媒、非極性溶媒のいずれも使用することができ、例えば水、エタノール、プロピレングリコール、1,3-ブチレングリコール、及びこれらの混液を用いることができる。上記抽出物は、抽出した溶液のまま用いても良く、必要に応じて、濃縮、希釈、濾過、活性炭等による脱色、脱臭、エタノール沈殿等の処理したものを用いても良い。さらには、抽出した溶液を濃縮乾固、噴霧乾燥、凍結乾燥等の処理を行い、乾燥物としたものとして用いても良い。また市販品を用いることもできる。 The tencha extract of the present invention is an extract extracted from the leaves of the plant name Rubus suavissimus belonging to the Rosaceae family. The extraction method of the above extract is not particularly limited and can be carried out according to a conventional method. As the extraction solvent used for extraction, either a polar solvent or a non-polar solvent can be used, and for example, water, ethanol, propylene glycol, 1,3-butylene glycol, and a mixed solution thereof can be used. The above-mentioned extract may be used as it is, or may be concentrated, diluted, filtered, decolorized with activated carbon, deodorized, ethanol precipitation or the like, if necessary. Further, the extracted solution may be subjected to treatments such as concentrated drying, spray drying, freeze-drying and the like to be used as a dried product. A commercially available product can also be used.
本発明の、Malassezia属真菌の増殖抑制剤におけるテンチャエキスの配合量は、医薬品、医薬部外品、化粧品又は試薬で提供する場合、それぞれ組成物全体に対して好ましくは0.0001質量%~20質量%であり、より好ましくは0.001質量%~10質量%である。 The blending amount of the tencha extract in the growth inhibitor of the Malassezia fungus of the present invention is preferably 0.0001% by mass to 20% by mass with respect to the entire composition when provided as a pharmaceutical product, a quasi drug, a cosmetic product or a reagent. It is by mass, more preferably 0.001% by mass to 10% by mass.
本発明のオウゴンエキスは、シソ科に属する植物名オウゴン(学名Scutellaria baicalensis)の根から抽出されたエキスである。上記抽出物の抽出方法は特に限定されず、常法に従って行うことができる。抽出に用いられる抽出溶媒としては、極性溶媒、非極性溶媒のいずれも使用することができ、例えば水、エタノール、プロピレングリコール、1,3-ブチレングリコール、及びこれらの混液を用いることができる。上記抽出物は、抽出した溶液のまま用いても良く、必要に応じて、濃縮、希釈、濾過、活性炭等による脱色、脱臭、エタノール沈殿等の処理したものを用いても良い。さらには、抽出した溶液を濃縮乾固、噴霧乾燥、凍結乾燥等の処理を行い、乾燥物としたものとして用いても良い。また市販品を用いることもできる。 The Scutellaria baicalensis extract of the present invention is an extract extracted from the root of the plant name Scutellaria baicalensis belonging to the Labiatae family. The extraction method of the above extract is not particularly limited and can be carried out according to a conventional method. As the extraction solvent used for extraction, either a polar solvent or a non-polar solvent can be used, and for example, water, ethanol, propylene glycol, 1,3-butylene glycol, and a mixed solution thereof can be used. The above-mentioned extract may be used as it is, or may be concentrated, diluted, filtered, decolorized with activated carbon, deodorized, ethanol precipitation or the like, if necessary. Further, the extracted solution may be subjected to treatments such as concentrated drying, spray drying, freeze-drying and the like to be used as a dried product. A commercially available product can also be used.
本発明の、Malassezia属真菌の増殖抑制剤におけるオウゴンエキスの配合量は、医薬品、医薬部外品、化粧品又は試薬で提供する場合、それぞれ組成物全体に対して好ましくは0.0001質量%~20質量%であり、より好ましくは0.001質量%~10質量%である。 The blending amount of the augon extract in the growth inhibitor of the Malassezia fungus of the present invention is preferably 0.0001% by mass to 20% by mass with respect to the entire composition when provided as a pharmaceutical product, a quasi drug, a cosmetic product or a reagent. It is by mass, more preferably 0.001% by mass to 10% by mass.
本発明の塩化N-[2-ヒドロキシ-3-(トリメチルアンモニオ)プロピル]加水分解ケラチン液は、羊毛由来のケラチンタンパク質のアミノ酸バランスを保持したまま抽出・精製したαケラトースをカチオン化したものである。抽出・精製した溶液のまま用いても良く、必要に応じて、濃縮、希釈、濾過、活性炭等による脱色、脱臭、エタノール沈殿等の処理したものを用いても良い。さらには、抽出した溶液を濃縮乾固、噴霧乾燥、凍結乾燥等の処理を行い、乾燥物としたものとして用いても良い。また市販品を用いることもできる。 The N- [2-hydroxy-3- (trimethylammonio) propyl] hydrolyzed keratin solution of the present invention is a cationized version of α-keratose extracted and purified while maintaining the amino acid balance of wool-derived keratin protein. be. The extracted / purified solution may be used as it is, or if necessary, it may be concentrated, diluted, filtered, decolorized with activated carbon, deodorized, ethanol precipitation or the like. Further, the extracted solution may be subjected to treatments such as concentrated drying, spray drying, freeze-drying and the like to be used as a dried product. A commercially available product can also be used.
本発明の、Malassezia属真菌の増殖抑制剤における塩化N-[2-ヒドロキシ-3-(トリメチルアンモニオ)プロピル]加水分解ケラチン液の配合量は、医薬品、医薬部外品、化粧品又は試薬で提供する場合、それぞれ組成物全体に対して好ましくは0.0001質量%~20質量%であり、より好ましくは0.001質量%~10質量%である。 The blending amount of the N- [2-hydroxy-3- (trimethylammonio) propyl] hydrolyzed keratin solution of N- [2-hydroxy-3- (trimethylammonio) propyl] chloride in the growth inhibitor of the genus Malassezia fungus of the present invention is provided in pharmaceuticals, quasi-drugs, cosmetics or reagents. In each case, it is preferably 0.0001% by mass to 20% by mass, and more preferably 0.001% by mass to 10% by mass with respect to the entire composition.
本発明のMalassezia属真菌としては、Malassezia globosa、Malassezia restricta、Malassezia furfur、Malassezia sympodialis、Malassezia pachydermatisなどが挙げられるが、好ましくは、Malassezia globosaである。 Examples of the Malassezia genus fungus of the present invention include Malassezia globosa, Malassezia restricta, Malassezia furfur, Malassezia sympodialis, Malassezia pachidia, and Malassezia pachidia.
本発明のMalassezia属真菌に対する増殖抑制剤、好ましくは、ヒトの皮膚用(頭皮を含む)、又は毛髪用に用いられる。 It is used as a growth inhibitor for the Malassezia fungus of the present invention, preferably for human skin (including scalp) or for hair.
以下に、実施例及び試験例を記載し、本発明をさらに具体的に説明するが、本発明はこれら実施例等により何ら制約されるものではない。 Hereinafter, the present invention will be described in more detail with reference to Examples and Test Examples, but the present invention is not limited to these Examples and the like.
(試験例1:Malassezia globosaの増殖抑制試験)
Malassezia globosaに対する増殖抑制効果を評価するために、以下方法で試験した。
(試験培地調製)
終濃度が次のようになるように培地を調製した。ヒトの頭皮の皮脂を模した人工皮脂2%(トリオレイン58.6%、ジステアリン酸グリセリル15.6%、パルミチン酸6.1%、ミリスチン酸2.2%、ペンタデカン酸1.5%、オレイン酸4.7%、スクアレン11.3%の混合物)、グルコース1%、Bile salt0.8%、Yeast extract 0.2%、グリセリンモノステレート0.05%、グリセリン1%、自己乳化型モノステアリン酸グリセリル1%を混合し滅菌後、クロモアガーカンジダ(関東化学)を所定量添加し使用した。
(接種菌液調製)
Malassezia globosaをmodified LNA培地で前培養(32℃、3日間、静置)し、得られた試験菌を滅菌ループで採取後、PBSに懸濁、洗浄した。洗浄後の菌懸濁液を菌量約107CFU/mLになるようPBSで希釈したものを接種用菌液として使用した。
(被験物質調製)
ハイビスカス花エキス、セイヨウキズタ葉/茎エキス、ローヤルゼリーエキス、テンチャエキス、オウゴンエキス、塩化N-[2-ヒドロキシ-3-(トリメチルアンモニオ)プロピル]加水分解ケラチン液および1,3-ブチレングリコールを精製水で4倍希釈し、ろ過滅菌した。また、使用したハイビスカス花エキスはオーガニック<ハイビスカス>(丸善製薬製)、セイヨウキズタ葉/茎エキスはセイヨウキズタ抽出液BG-J(丸善製薬製)、ローヤルゼリーエキスはローヤルゼリーエキス B(一丸ファルコス製)、テンチャエキスは甜茶抽出液BGW(丸善製薬製)、オウゴンエキスはオウゴン抽出液BG-JC(丸善製薬製)、塩化N-[2-ヒドロキシ-3-(トリメチルアンモニオ)プロピル]加水分解ケラチン液はプロティキュート Cアルファ(一丸ファルコス製)である。
(抗菌試験)
平底の24穴滅菌プレートの各穴に調製した被験物質、1,3-ブチレングリコールおよび陽性コントロールとして精製水をそれぞれ200μLずつ添加後、作製した人工皮脂添加培地を300μLずつ添加し素早く混合した。なお、1,3-ブチレングリコールは溶媒コントロールとした。培地が固化した後、接種菌液を10μLずつ培地の中央に添加し、32℃で3日間培養した。クロモアガーカンジダに含まれる発色酵素基質により、発育した菌は赤色に呈色するため、陽性コントロール、溶媒コントロールの発育と各穴の菌の発育を目視で比較し、陽性コントロールを100%とした際の菌の生存率を0%、25%、50%、75%、100%を5段階で評価した。
(Test Example 1: Growth suppression test of Malassezia globosa)
In order to evaluate the growth inhibitory effect on Malassezia globosa, the following method was tested.
(Preparation of test medium)
The medium was prepared so that the final concentration was as follows. Artificial sebum that imitates the sebum of human scalp 2% (triolein 58.6%, glyceryl distearate 15.6%, palmitic acid 6.1%, myristic acid 2.2%, pentadecanoic acid 1.5%, oleic acid A mixture of 4.7% acid, 11.3% squalene), 1% glucose, 0.8% Bile salt, 0.2% Yesst extract, 0.05% glycerin monosterate, 1% glycerin, self-emulsifying monosteare. After mixing 1% of glyceryl acid and sterilizing, Chromoregarcandida (Kanto Kagaku) was added in a predetermined amount and used.
(Preparation of inoculum solution)
Malassezia globosa was precultured in modified LNA medium (standing at 32 ° C. for 3 days), and the obtained test bacteria were collected in a sterile loop, suspended in PBS, and washed. The washed bacterial suspension was diluted with PBS so that the bacterial volume was about 107 CFU / mL, and used as the inoculum bacterial solution.
(Preparation of test substance)
Purified hibiscus flower extract, sardine leaf / stem extract, royal jelly extract, tencha extract, ginger extract, N- [2-hydroxy-3- (trimethylammonio) propyl] hydrolyzed keratin solution and 1,3-butylene glycol. It was diluted 4-fold with water and sterilized by filtration. The hibiscus flower extract used was organic <Hibiscus> (manufactured by Maruzen Pharmaceuticals), the leaf / stem extract of Seiyo Kizuta was BG-J (manufactured by Maruzen Pharmaceuticals), and the royal jelly extract was Royal Jelly Extract B (manufactured by Ichimaru Falcos). Tencha extract is Jincha extract BGW (Maruzen Pharmaceuticals), Ogon extract is Ogon extract BG-JC (Maruzen Pharmaceuticals), N- [2-hydroxy-3- (trimethylammonio) propyl] hydrolyzed keratin solution Proticute C Alpha (made by Ichimaru Falcos).
(Antibacterial test)
After adding 200 μL each of the prepared test substance, 1,3-butylene glycol and purified water as a positive control to each hole of the flat-bottomed 24-well sterile plate, 300 μL of the prepared artificial sebum-added medium was added and mixed quickly. In addition, 1,3-butylene glycol was used as a solvent control. After the medium had solidified, 10 μL of the inoculum solution was added to the center of the medium and cultured at 32 ° C. for 3 days. Due to the color-developing enzyme substrate contained in Clomoregar Candida, the developed bacteria turn red, so the growth of positive control and solvent control is visually compared with the growth of bacteria in each hole, and when the positive control is set to 100%. The survival rate of the fungus was evaluated on a 5-point scale of 0%, 25%, 50%, 75%, and 100%.
(試験結果)
表1にそれぞれn=2で試験した菌の生存率の平均値を示す。
(Test results)
Table 1 shows the average survival rate of the bacteria tested at n = 2, respectively.
表1から明らかなように、ハイビスカス花エキス、セイヨウキズタ葉/茎エキス、ローヤルゼリーエキス、テンチャエキス、オウゴンエキス、塩化N-[2-ヒドロキシ-3-(トリメチルアンモニオ)プロピル]加水分解ケラチン液はいずれも溶媒コントロールの1,3-ブチレングリコールよりも増殖抑制効果が高いことが確認され、ハイビスカス花エキス、セイヨウキズタ葉/茎エキス、ローヤルゼリーエキス、テンチャエキス、オウゴンエキス、塩化N-[2-ヒドロキシ-3-(トリメチルアンモニオ)プロピル]加水分解ケラチン液からなる群から選ばれる少なくとも一種がMalassezia globosaの増殖抑制作用を有することが示唆された。 As is clear from Table 1, the hibiscus flower extract, sardine leaf / stem extract, royal jelly extract, tencha extract, ginger extract, N- [2-hydroxy-3- (trimethylammonio) propyl] hydrolyzed keratin solution are It was confirmed that all of them have a higher growth inhibitory effect than the solvent-controlled 1,3-butylene glycol, and hibiscus flower extract, sardine leaf / stem extract, royal jelly extract, tencha extract, ginger extract, and N- [2-hydroxy chloride. It was suggested that at least one selected from the group consisting of -3- (trimethylammonio) propyl] hydrolyzed keratin solution has a growth inhibitory effect on Malassezia globosa.
本発明のMalassezia属真菌の増殖抑制剤により、マラセチア菌の異常増殖を抑制し、皮膚、頭皮又は毛髪における常在菌のパランスの乱れを正常化することが期待できる。本発明の、Malassezia属真菌の増殖抑制剤は、Malassezia属真菌の関与する疾患、例えば癜風、脂漏性皮膚炎、マラセチア毛包炎、アトピー性皮膚炎、乾癬、ざ瘡などの皮膚疾患や症状の治療、改善、予防するための化粧品、医薬部外品、医薬品の分野に利用可能である。 It is expected that the growth inhibitor of the Malassezia fungus of the present invention suppresses the overgrowth of Malassezia bacterium and normalizes the disorder of the balance of the indigenous bacterium in the skin, scalp or hair. The growth inhibitor of Malassezia genus fungus of the present invention includes diseases associated with Malassezia genus fungi, such as tinea versicolor, seborrheic dermatitis, Malassezia folliculitis, atopic dermatitis, psoriasis, and acne. It can be used in the fields of cosmetics, non-pharmaceutical products, and pharmaceuticals for the treatment, improvement, and prevention of symptoms.
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| JP2010043008A (en) * | 2008-08-08 | 2010-02-25 | Kansai Koso Co Ltd | Lipase activity inhibitor and cosmetic containing the same |
| JP2013249293A (en) * | 2012-06-04 | 2013-12-12 | Kao Corp | Lipase activity inhibitor, antifungal agent, and dandruff inhibitor |
| JP2018150266A (en) * | 2017-03-13 | 2018-09-27 | 日本メナード化粧品株式会社 | Skin external preparation for preventing and/or improving pimples |
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| JP2013249293A (en) * | 2012-06-04 | 2013-12-12 | Kao Corp | Lipase activity inhibitor, antifungal agent, and dandruff inhibitor |
| JP2018150266A (en) * | 2017-03-13 | 2018-09-27 | 日本メナード化粧品株式会社 | Skin external preparation for preventing and/or improving pimples |
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| JOURNAL OF INVESTIGATIVE DERMATOLOGY, vol. 127, no. 9, JPN6025028772, 2007, pages 2138 - 2146, ISSN: 0005640967 * |
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