JP3849269B2 - Topical skin preparation - Google Patents
Topical skin preparation Download PDFInfo
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- JP3849269B2 JP3849269B2 JP36783497A JP36783497A JP3849269B2 JP 3849269 B2 JP3849269 B2 JP 3849269B2 JP 36783497 A JP36783497 A JP 36783497A JP 36783497 A JP36783497 A JP 36783497A JP 3849269 B2 JP3849269 B2 JP 3849269B2
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- Prior art keywords
- quercus
- hamamelis
- birch
- blume
- petroselium
- 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.)
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Description
【0001】
【発明の属する技術分野】
本発明は、相乗的に増強された活性酸素種消去作用を有し、生体内外の酸化ストレスに起因する皮膚の老化防止や損傷を防止し得る皮膚外用剤に関する。更に詳しくは、ブナ属植物抽出物と、活性酸素種消去作用を有する成分とを併用して成る皮膚外用剤に関する。
【0002】
【従来の技術】
紫外線や生体内代謝により、体内には過酸化水素をはじめとしてヒドロキシラジカル,一重項酸素,スーパーオキシドといった活性酸素種が生じ、これらが生体に種々の悪影響を及ぼすことは良く知られている。特に、皮膚組織に関しては、かかる活性酸素種が皮膚脂質の過酸化だけでなく、しわ形成,真皮構成成分の変性等、皮膚の老化現象に深くかかわることが示唆されてきた。
【0003】
このような活性酸素種に起因する皮膚の老化,損傷を防止或いは改善するため、これらを消去する物質の検索が古くから行われており、ビタミンE群化合物や、茶タンニンなどの植物由来タンニン類、カロテノイド、又は他の動植物の抽出成分などが使用されている。
【0004】
しかしながら、従来用いられてきた活性酸素種消去剤は、安定性が悪かったり、消去作用が弱く不十分であったりして、特に複雑な処方系の皮膚外用剤に配合した場合、満足な効果の得られないものが多かった。
【0005】
【発明が解決しようとする課題】
従って、本発明は活性酸素種の消去作用を相乗的に高め、複雑な生体内における過酸化反応を有効に防止し、皮膚の老化及び損傷を効果的に防止又は改善し得る皮膚外用剤を得ることを目的とする。
【0006】
【課題を解決するための手段】
上記課題を解決するべく種々検討したところ、本発明者はブナ属植物の抽出物と、活性酸素種消去作用を有する植物抽出物或いは成分とを併用することにより、種々の皮膚外用剤に配合しても安定で、さらに活性酸素種消去活性が低下しないばかりか、相乗的に高められることを見いだし、本発明を完成するに至った。
【0007】
ブナ属植物の皮膚外用剤への応用としては、エタノール抽出物を有効成分とする上皮形成製剤(特公平4−33765号公報),ヨーロッパブナ抽出物を有効成分とする痩身剤(フランス特許第266228号公報),ブナ科ウラジロガシ抽出物を有効成分とする口腔用組成物(特開平6−298633号公報),ブナ科植物の種皮及び殻斗抽出物を抗酸化剤として含有する化粧料(特開平7−126618号公報),ブナの木の幼芽からの抽出物のケラチノサイト蛋白合成促進作用(特開平9−227397号公報)等がすでに開示されている。今回、ブナ属植物抽出物と、活性酸素種消去作用を有する植物抽出物或いは成分を併用することにより、生体組織,特に皮膚組織における活性酸素種消去作用が相乗的に高められることが見いだされた。かかる相乗作用の得られる機序は明らかではないが、それぞれの活性酸素種消去作用の安定化,生体内の連鎖的な酸化反応における消去作用の増強などが考えられる。
【0008】
【発明の実施の形態】
すなわち本発明において、活性酸素種消去作用を有する植物抽出物或いは成分としては、ハマメリス(Hamamelis japonica Sieb.et Zucc. , Hamamelis obtsusata Makino , Hamamelis japonica Sieb.et Zucc.var.obtsusata Matsum. , Hamamelis virginiana L. , Hamamelis mollis Oliv.),コナラ属,トチノキ属,ワレモコウ属,ボタン属,イチョウ(Ginkgo bibloba L.),カバノキ属,パセリ(Petroselium saticum , Petroselium sativm Hoffm. , Petroselium crispum Nyman , Petroselium hortense Hoffm. , Petroselium crispum (Mill.) Nym. ex A. W. Hill , Apium petroselium L.)から選択される1種又は2種以上の植物の抽出物、ハマメリタンニンが好ましく用いられる。
【0009】
本発明で用いられるブナ属の植物は、ブナ科(Fagaceae)植物の一種である。ブナ属の植物としては、ブナ(ブナノキ,シロブナ,ソバグリ,Fagus crenata Bl.),アメリカブナ(Fagus grandifolia Ehrh.;Fagus ferruginea Ait.;Fagus americana Sweet.),イヌブナ(クロブナ,Fagus japonica Maxim.;Fagus longipetiolata Seem.;Fagus sylvatica var.longipes Oliv.;Fagus sinensis Oliv.),ヨーロッパブナ(Fagus sylvatica L.)等が例示される。これらのブナ属植物の中でも、本発明の効果の点から、ヨーロッパブナ(Fagus sylvatica L.)を用いることが好ましい。
【0010】
ブナ属植物の抽出物を得る際の抽出部位は、特に限定されず、樹皮及びその粘液,果実,種子,花,枝,葉等が挙げられるが、その中でも幼芽部位の抽出物が本発明の効果の点から最も好ましい。
【0011】
本発明においてブナ属植物と併用して用いられるハマメリス(Hamamelis japonica Sieb.et Zucc. , Hamamelis obtsusata Makino , Hamamelis japonica Sieb.et Zucc.var.obtsusata Matsum. , Hamamelis virginiana L. , Hamamelis mollis Oliv.) は、マンサク科マンサク属植物の一種で、北米東部,カナダ,メキシコのやや湿度の高い森林中に分布する落葉樹である。葉を乾燥したものはハマメリス茶と呼ばれ下剤として、樹皮はハマメリス水の製造に用いられてきた。本発明において、ハマメリスの抽出物を得る際の抽出部位は特に限定されず、樹皮及びその粘液,葉,花,枝,根等が挙げられるが、この中でも葉及び樹皮から選択される1種又は2種の部位からの抽出物を用いることが好ましい。
【0012】
本発明においてブナ属植物と併用するコナラ属は、ブナ科(Fagaceae)に属する植物である。本発明においては、コナラ属植物であれば、特に限定されず、例えばコナラ(ハハソ,ホソオ,ナラ)(Quercus serrata Thunb. , Quercus grandulifera Blume , Quercus serrata Murray),ミズナラ(オオナラ)(Quercus grosseserrata Blume , Quercus crispula Blume , Quercus mongolica Fisch. var. grosseserata (Blume) Rehd. et Wils.),クヌギ(Quercus acutissima Carruth.),アベマキ(ワタクヌギ,ワタマキ,オクヌギ,クリガシワ)(Quercus variabilis Blume),カシワ(カシワギ,モチガシワ)(Quercus dentata Thunb.),ナラガシワ(Quercus aliena Blume),ウバメガシ(イマメガシ,ウマメガシ)(Quercus phillyraeoides A. Gray),シラカシ(クロガシ)(Quercus myrsinaefolia Blume , Cyclobalanopsis myrsinaefolia (Blume) Oerst.),アラカシ(Quercus glauca Thunb. , Cyclobalanopsis glauca (Thunb.) Oerst.),ツクバネガシ(Quercus paucidentata Franch. , Quercus salicina Blume , Cyclobalanopsis paucidentata Kudo et Masam. , Quercus sessilifolia Blume , Cyclobalanopsis sessilifolia Blume),ウラジロガシ(Quercus stenophylla Makino , Quercus salicina Blume , Cyclobalanopsis salicina (Blume) Oerst.),ヨコメガシ(シマガシ)(Quercus glauca Thunb. var.fasciata Blume),ヒリュウガシ(Quercus glauca Thunb. var. lacera Matsum.),アカガシ(オオガシ,オオバガシ)(Quercus acuta Thunb. , Cyclobalanopsis acuta (Thunb.) Oerst.),イチイガシ(イチイ,イチガシ)(Quercus gilva Blume , Cyclobalanopsis gilva (Blume) Oerst.),ホワイトオーク(Quercus alba L.),スワンプホワイトオーク(Quercus bicolor Willd.),ターキーオーク(イタリアンオーク)(Quercus cerris L.),モールオーク(キャニオンライブオーク)(Quercus chrysolepis Liebm.),石栗(Quercus cornea Lour., Lythocarpus cornea(Lour.)Rehd.),シンオーク(Quercus gambelii Nutt.),エンシナ(Quercus agrifolia Nee),アモリーオーク(Quercus emoryi Torr.),メサオーク(Quercus engelmannii Greene),オレゴンホワイトオーク(Quercus garryana Dougl.),カリフォルニアブラックオーク(Quercus kellogi Newsb.),カリフォルニアホワイトオーク(Quercus lobata Nee),ウェイビーリーフオーク(Quercus undulata Torr.),コルクガシ(Quercus lucombeana Sweet , Quercus suber L.),ホーム オア ホーリーオーク(Quercus ilex L.),オキナワウラジロガシ(Quercus miyagii Koidz. , Cyclobalanopsis miyagii(Koidz.)Kudo et Masamune),モンゴリナラ(モウコガシワ)(Quercus mongolica Fisch.var.mongolica),チェスナッツオーク(Quercus prinus L.),コモンオーク(イングリッシュオーク)(Quercus robur L.),高山櫟(Quercus semicarpifolia Sm.)等が挙げられる。これらのコナラ属植物の中でも本発明の効果の点から、コナラ(ナラ)及びミズナラ(オオナラ)から選択される1種又は2種の植物を用いることが好ましい。また、コナラ属植物の抽出物を得る際の抽出部位は特に限定されず、樹皮及びその粘液,果実,種子,花,枝,葉,根等が挙げられるが、その中でも葉,樹皮,枝,根から選択される1種又は2種以上の部位からの抽出物が本発明の効果の点から最も好ましい。
【0013】
本発明においてブナ属植物と併用するトチノキ属植物は、トチノキ科(Hippocastanaceae)に属する植物である。トチノキ属植物としては特に限定されないが例えば、トチノキ(Aesculus turbinata Blume),マロニエ(ウマグリ,セイヨウトチノキ)(Aesculus hippocastanum L.),カリフォルニアバッキー(Aescu lus california(Spach.)Nutt.),インディアンチェスナット(Aesculus Indica Colebr. ex Wall.),イエロースウィートバッキー(Aesculus octandra Marsh.),シナトチノキ(Aesculus chinensis Bunge),天師栗(Aesculus wilsonii Rehd.),ベニバナトチノキ(Aesculus carnea Hayne),アカバナアメリカトチノキ(Aesculus pavia L.)等が挙げられる。これらのトチノキ属植物の抽出物を得る際の抽出部位は特に限定されず、樹皮及びその粘液,果実,種子,種皮,花,枝,葉,根等が挙げられるが、その中でも葉,樹皮,果実,種皮から選択される1種又は2種以上の部位からの抽出物が本発明の効果の点から最も好ましい。
【0014】
本発明においてブナ属植物と併用するワレモコウ属植物は、バラ科(Rosaceae)に属する多年生の草本である。ワレモコウ属植物としては特に限定されないが例えば、ワレモコウ(Sanguisorba officinalis L.),ナガボシノシロワレモコウ(Sanguisorba tenuifolia Fisch. var. alba Trautv. et Mey),カライトソウ(Sanguisorba hakusanensis Makino),ナンブトウウチソウ(ナンブトウチソウ)(Sanguisorba obtusa Maxim.) ,シロバナトウウチソウ(シロバナトウチソウ)(Sanguisorba albiflora Makino , Sanguisorba obtusa Maxim. var. albiflora Makino),タカネトウウチソウ(タカネトウチソウ)(Sanguisorba stipulata Rafin. , Sanguisorba sitchensis C. A. Mey),オランダワレモコウ(Sanguisorba minor Scop.),コバナノワレモコウ(Sanguisorba tenuifolia Fisch.)等が挙げられる。これらのワレモコウ属植物の抽出物を得る際の抽出部位は特に限定されず、茎,根茎,根,葉,花,果実等を用いるが、その中でも根茎の抽出物が、本発明の効果の点から最も好ましい。
【0015】
本発明においてブナ属植物と併用するボタン属植物は、キンポウゲ科(Ranunculaceae)に属する草本或いは低木である。ボタン属植物としては特に限定されないが例えば、シャクヤク(エビスグサ)(Paeonia albiflora Pall. forma hortensis Makino , Paeonia lactiflora Pall. , Paeonia lactiflora Pall. var. trichocarpa (Bunge) Stern , Paeonia veichii Lynch. , Paeonia anomala L. , Paeonia mairei Levl.),ヤマシャクヤク(Paeonia obovata Maxim. var. japonica Makino , Paeonia japonica Miyabe et Takeda),ボタン(ハツカグサ,フカミグサ,ナトリグサ)(Paeonia suffruticosa Andr. , Paeonia moutan Sims. , Paeonia arborea Donn ex Koch),ヒマラヤシャクヤク(Paeonia emodii Wall. ex Royle),ベニバナシャクヤク(Paeonia obovata Maxim.),オランダシャクヤク(Paeonia officinalis L.),ホソバシャクヤク(Paeonia tenuifolia L.)等が挙げられる。これらのボタン属植物の中でも特に、シャクヤク,ヤマシャクヤク,ボタンから選択される1種又は2種以上を用いることが好ましい。また、抽出部位は特に限定されず、茎,根,葉,花,果実などを用いるが、その中でも特に根からの抽出物が、本発明の効果の点から最も好ましい。
【0016】
本発明においてブナ属植物と併用する、イチョウ(Ginkgo bibloba L.)はイチョウ科(Ginkgoaceae)イチョウ属の植物である。抽出部位は特に限定されず,樹皮,樹液,葉,枝,根,実等を用いるが、その中でも特に葉からの抽出物が本発明の効果の点から最も好ましい。
【0017】
本発明においてブナ属植物と併用する、カバノキ属植物は、カバノキ科(Betulaceae)に属する植物である。カバノキ属植物としては特に限定されず例えば、シラカンバ(シラカバ,カンバ,カバ,カバノキ)(Betula platyphylla Sukatchev var. japonica Hara),ダケカンバ(ソウシカンバ)(Betula ermani Cham.),ジゾウカンバ(イヌブシ)(Betula globispica Shirai),ヤエガワカンバ(コオノオレ)(Betula davurica Pall.),ウダイカンバ(サイハダカンバ)(Betula maximowicziana Regel),アズサ(ヨグソミネバリ)(Betula grossa Sieb. et Zucc. var. ulmifolia Makino),ミズメ(アズサ,コッパダミネバリ)(Betula grossa Sieb. et Zucc.),ウラジロカンバ(ネコシデ)(Betula corylifolia Regel et Maxim.),オノオレ(オンノレ,アズサミネバリ)(Betula schmidtii Regel),マカンバ(Betula nikoensis Koidz.),ブラックバーチ(Betula lenta L.),レッドバーチ(Betula nigra L. , Betula rubra Michx.),カヌーバーチ(Betula papyrifera Marsh.),シルバーバーチ(Betu la pendula Roth. , Betula verrucosa Ehrh. , Betula alba L.,p.p.),ヨーロピアンバーチ(Betula pubescens Ehrh.),ヒマラヤバーチ(Betula utilis D.Don),アカカンバ(Betula ermani Cham. var. subcordata (Regel) Koidz.)等が挙げられる。これらの植物の中でも、シラカンバが最も好ましく用いられる。抽出部位は特に限定されず,樹皮,樹液,葉,枝,根,実等を用いるが、その中でも特に樹皮からの抽出物が本発明の効果の点から最も好ましい。
【0018】
本発明でブナ属植物と併用するパセリ(Petroselium saticum , Petroselium sativm Hoffm. , Petroselium crispum Nyman , Petroselium hortense Hoffm. , Petroselium crispum (Mill.) Nym. ex A. W. Hill , Apium petroselium L.)は、セリ科(Umbelliferae)の2年生の草本植物である。パセリの抽出物を得る際の抽出部位は特に限定されず、パセリの全草若しくは地上部位を用いることができ、また葉,茎,根,種子等の一部を用いることもできる。
【0019】
本発明において、これらの植物からの抽出物を得る際の抽出溶媒としては、水、エタノール,メタノール,イソプロパノール,イソブタノール,n-ヘキサノール,メチルアミルアルコール,2-エチルブタノール,n-オクチルアルコールなどの一価アルコール類、グリセリン,エチレングリコール,エチレングリコールモノメチルエーテル,エチレングリコールモノエチルエーテル,プロピレングリコール,プロピレングリコールモノメチルエーテル,プロピレングリコールモノエチルエーテル,トリエチレングリコール,1,3-ブチレングリコール,ヘキシレングリコール等の多価アルコール又はその誘導体等の極性溶媒から1種又は2種以上を選択して用いることができる。特に、皮膚外用剤に配合する際の安全性及び安定性の面から、精製水,エタノール,1,3-ブチレングリコール,グリセリン,プロピレングリコールを単独で若しくは2種以上を併用して用いることが好ましい。
【0020】
抽出方法としては、室温,冷却又は加温した状態で浸漬して抽出する方法、水蒸気蒸留等の蒸留法を用いて抽出する方法等が例示され、これらの方法を単独で又は2種以上を組み合わせて抽出を行う。
【0021】
抽出の際の植物体と溶媒との比率は特に限定されるものではないが、植物体1に対して溶媒0.5〜1000重量倍、特に抽出操作、効率の点で0.5〜100重量倍が好ましい。また抽出温度は、常圧下で5℃から溶剤の沸点以下の範囲とするのが便利であり、抽出時間は抽出温度などによって異なるが、2時間〜2週間の範囲とするのが好ましい。
【0022】
また、このようにして得られた植物抽出物は、そのまま用いることもできるが、本発明の効果を失わない範囲内で脱臭,脱色,濃縮等の精製操作を加えたり、さらにはカラムクロマトグラフィー等を用いて分画物として用いてもよい。これらの抽出物や脱臭,精製物、分画物は、これらから溶媒を除去することによって乾燥物とすることもでき、さらにアルコールなどの溶媒に可溶化した形態、或いは乳剤の形態で皮膚外用剤に配合することができる。
【0023】
さらに本発明において、ブナ属植物抽出物を得る際は、ブナ属植物の幼芽を精製水で抽出して用いることが最も好ましい。より具体的には、採取したブナ属植物の幼芽を高周波で処理した後、細胞膜を破砕処理し、精製水を溶媒として低温抽出により細胞の内容物を回収し、濾過して不溶性の残留物を取り除き、減圧して濃縮,浸透処理により有機酸を除去した後、メンブランフィルターにて除菌して得られる抽出物を用いることが好ましい。
【0024】
本発明においてブナ属植物と併用するハマメリタンニンは、ハマメリスの葉及び樹皮の抽出物中に含まれる成分である。
【0025】
本発明においては、ブナ属植物抽出物と、活性酸素種消去作用を有する植物抽出物或いは成分を通常の皮膚外用剤基剤に配合する。配合量は製剤中の有効濃度や製剤中の安定性等を考慮して、0.00001〜5.0重量%程度が適当である。外用剤の形態としては、ローション,乳剤,クリーム,軟膏等、種々の形態をとることができる。また、化粧水,美容液,乳液などの化粧料としても提供することができる。
【0026】
【作用】
本発明の作用を示すために、まず各種植物抽出物の製造例を示す。
【0027】
[製造例1〜10]
各植物の表1に示した部位500gを、表1に示した溶媒1000mlに浸漬し、室温で一週間静置することにより抽出した。その後、植物体を濾別除去し、溶媒を減圧留去した後、得られた固形分を各溶媒にて再溶解して50mlとし、製造例1〜8を得た。
【0028】
【表1】
【0029】
ブナ属植物抽出物と、活性酸素種消去作用を有する成分を併用した場合の、紫外線による細胞傷害に対する防御効果を次に示す。
【0030】
マウスケラチノサイトを喜多野等による修正MCDB153培地にて37℃で24時間培養した後、リン酸緩衝塩溶液にて2回洗浄後、ハンクス緩衝液に交換して、表2及び表3に示す各試料をそれぞれ添加し、FL−20S・Eランプを光源として300mJ/cm2の中波長紫外線(UVB)を照射した。照射後、ケラチノサイトをMCDB153培地中で37℃で24時間インキュベートし、ニュートラルレッド法により細胞生存率を求め、UVBを照射しない対照培養系の生存率を100%として、各試料を添加した場合の生存率を表し、表2及び表3に示した。
【0031】
【表2】
【0032】
【表3】
【0033】
表2及び表3に示したとおり、ハンクス緩衝液に交換した後、活性酸素種消去剤を添加しないでUVBを照射した場合(試料25)は対照培養系の47.2%まで細胞生存率が落ち込むことが認められ、ヨーロッパブナ抽出物を添加した試料11でも46.8%の細胞生存率であり、ヨーロッパブナ抽出物単独では防御効果が認められなかった。また、ハマメリタンニン又は製造例2〜製造例10をそれぞれ単独で添加した試料14〜試料25においては、細胞生存率の上昇は認められるものの、十分な上昇は得られていない。一方、製造例1のセイヨウブナ抽出物と、ハマメリタンニンなどの活性酸素種消去剤の双方を添加した試料(試料1〜試料13)においては、細胞生存率の大幅な回復が認められており、特にヨーロッパブナ抽出物と、ハマメリタンニンと、各種植物抽出物を併用した試料11〜試料13においては、95%以上の高い細胞生存率を示した。
【0034】
【実施例】
さらに本発明の特徴について、実施例により詳細に説明する。
【0035】
次に示す処方にて、皮膚用クリームを調製した。処方中の有効成分については、表4に示した。
製法:(1)〜(5)を混合後加熱溶解して75℃とし、これに混合,加熱溶解して75℃とした(6)〜(9)及び(12)を添加して乳化し、冷却後40℃にて(10)及び(11)を添加,混合する。
【0036】
【表4】
【0037】
本発明の上記実施例について、皮膚の老化防止効果を皮膚のしわ発生に対する防止効果を評価することにより検討した。ヘアレスマウスに長波長紫外線(UVA)を照射するとしわの発生が促進されるが、このUVAによるしわ発生に対する防止効果を評価した。ヘアレスマウス5匹を1群とし、各群について実施例及び比較例をそれぞれ1日1回背部に塗布し、1J/cm2/週のUVAを50週間照射し、ヘアレスマウスにおけるしわの発生状況を観察し、表5に示す判定基準に従って点数化して行った。この際、精製水のみを塗布した群を対照とし、比較例としては、上記皮膚用クリーム処方中の有効成分のかわりに、表6に示す成分を配合したものを用いた。結果は各群の平均値を算出し、UVA照射日数との関係により表7及び表8に示した。
【0038】
【表5】
【0039】
【表6】
【0040】
【表7】
【0041】
【表8】
【0042】
表7及び表8に示されるように、対照群においては、UVA照射日数が40週を越える頃には形成されたしわの深さが中程度にまで達し、50週後には深いしわの発生が認められていた。これに対し、本発明の実施例塗布群では、いずれにおいても50週後に微小なしわが認められた程度で、しわの発生は顕著に抑制されていた。一方、有効成分として、セイヨウブナ抽出物或いはハマメリタンニンなどを単独で含有する比較例塗布群では、しわの発生防止効果は認められるものの、実施例塗布群に比較してはるかに小さく、殆どのマウスで軽微なしわの発生が認められていた。
【0043】
さらに、上記の本発明の実施例1〜実施例13及び比較例1〜比較例12について、使用試験を行った。使用試験は、日常戸外で作業するパネラー10名を一群とし、各群にそれぞれ実施例及び比較例をブラインドにて顔面及び手に使用させ、しわ及び皮膚弾性の変化を観察し、表9に示す基準にて評価して行った。使用期間は4月〜3月の1年間とした。結果は、平均値を算出し、表10に示した。
【0044】
【表9】
【0045】
【表10】
【0046】
表10において、有効成分を含有しない比較例1使用群では、しわの増加と皮膚弾性の低下が認められている。これに対して、本発明の実施例使用群では、しわの減少及び皮膚弾性の明確な上昇が認められていた。一方、ブナ抽出物及びハマメリタンニンなどの活性酸素種消去剤のみを含有する比較例2〜比較例12使用群では、比較例1に比べてしわの増加や皮膚弾性の低下に対する防止効果は認められるものの、これらに対して顕著な改善傾向を示すには至っていなかった。
【0047】
なお、本発明の実施例使用群において、使用試験期間中皮膚刺激性や感作性を認めたパネラーはいなかった。
【0048】
さらに、本発明の他の実施例の処方を以下に示す。
【0049】
[実施例14]皮膚用ローション
(1)エタノール 10.0(重量%)
(2)ヒドロキシエチルセルロース 1.0
(3)製造例1 0.2
(4)ハマメリタンニン 0.1
(5)パラオキシ安息香酸メチル 0.1
(6)精製水 88.6
製法:(1)〜(6)を混合し均一とする。
【0050】
[実施例15]皮膚用乳剤
(1)ステアリン酸 0.2(重量%)
(2)セタノール 1.5
(3)ワセリン 3.0
(4)流動パラフィン 7.0
(5)ポリオキシエチレン(10EO)モノオレイン酸エステル 1.5
(6)酢酸トコフェロール 0.5
(7)グリセリン 5.0
(8)パラオキシ安息香酸メチル 0.1
(9)トリエタノールアミン 1.0
(10)精製水 79.8
(11)製造例1 0.2
(12)製造例2 0.2
製法:(1)〜(6)の油相成分を混合,加熱して均一に溶解し、70℃に保つ。一方、(7)〜(10)の水相成分を混合,加熱して均一とし、70℃とする。この水相成分に前記油相成分を攪拌しながら徐々に添加して乳化し、冷却した後40℃にて(11)及び(12)を添加,混合する。
【0051】
[実施例16]皮膚用ゲル剤
(1)精製水 88.4(重量%)
(2)カルボキシビニルポリマー 0.5
(3)ジプロピレングリコール 10.0
(4)パラオキシ安息香酸メチル 0.1
(5)水酸化カリウム 0.1
(6)製造例1 0.5
(7)製造例3 0.4
製法:(1)に(2)を均一に溶解した後、(3)に(4)を溶解して添加し、次いで(5)を加えて増粘させ、(6)及び(7)を添加する。
【0052】
製法:(1)〜(7)の油相成分を混合,溶解して75℃に加熱する。一方、(8)〜(10)の水相成分を混合,溶解して75℃に加熱する。次いで、上記水相成分に油相成分を添加して予備乳化した後、ホモミキサーにて均一に乳化し、冷却後40℃にて(11),(12)を添加,混合する。
【0053】
[実施例18]水中油型乳剤性軟膏
(1)白色ワセリン 25.0(重量%)
(2)ステアリルアルコール 25.0
(3)グリセリン 12.0
(4)ラウリル硫酸ナトリウム 1.0
(5)パラオキシ安息香酸メチル 0.1
(6)精製水 35.9
(7)製造例1 0.5
(8)製造例5 0.5
製法:(1)〜(4)の油相成分を混合,溶解して均一とし、75℃に加熱する。一方、(5)を(6)に溶解して75℃に加熱し、これに前記油相成分を添加して乳化し、冷却後40℃にて(7)及び(8)を添加,混合する。
【0054】
[実施例19]化粧水
(1)エタノール 10.0(重量%)
(2)1,3-ブチレングリコール 5.0
(3)製造例1 0.2
(4)製造例6 0.2
(5)製造例7 0.2
(6)香料 0.1
(7)精製水 84.3
製法:(1)〜(6)を順次(7)に添加して均一に混合,溶解する。
【0055】
[実施例20]エモリエントクリーム(油中水型)
(1)流動パラフィン 30.0(重量%)
(2)マイクロクリスタリンワックス 2.0
(3)ワセリン 5.0
(4)ジグリセリルオレイン酸エステル 5.0
(5)L-グルタミン酸ナトリウム 1.6
(6)L-セリン 0.4
(7)プロピレングリコール 3.0
(8)パラオキシ安息香酸メチル 0.1
(9)精製水 51.8
(10)香料 0.1
(11)製造例1 0.4
(12)製造例8 0.3
(13)製造例9 0.3
製法:(5),(6)を(9)の一部に溶解して50℃とし、50℃に加熱した(4)に攪拌しながら徐々に添加する。これをあらかじめ混合し70℃に加熱溶解した(1)〜(3)に均一に分散し、これに(7),(8)を(9)の残部に溶解して70℃に加熱したものを攪拌しながら添加し、ホモミキサーにて乳化する。冷却後、40℃にて(10)〜(13)を添加,混合する。
【0056】
[実施例21]メイクアップベースクリーム
(1)ステアリン酸 12.0(重量%)
(2)セタノール 2.0
(3)グリセリルトリ2-エチルヘキサン酸エステル 2.5
(4)自己乳化型グリセリルモノステアリン酸エステル 2.0
(5)プロピレングリコール 10.0
(6)水酸化カリウム 0.3
(7)精製水 69.0
(8)酸化チタン 1.0
(9)ベンガラ 0.1
(10)黄酸化鉄 0.4
(11)香料 0.1
(12)製造例1 0.3
(13)製造例10 0.3
製法:(1)〜(4)の油相成分を混合し、75℃に加熱して均一とする。一方(5)〜(7)の水相成分を混合し、75℃に加熱,溶解して均一とし、これに(8)〜(10)の顔料を添加し、ホモミキサーにて均一に分散させる。この水相成分に前記油相成分を添加し、ホモミキサーにて乳化した後冷却し、40℃にて(11)〜(13)を添加,混合する。
【0057】
[実施例22]乳液状ファンデーション
(1)ステアリン酸 2.0(重量%)
(2)スクワラン 5.0
(3)ミリスチン酸オクチルドデシル 5.0
(4)セタノール 1.0
(5)デカグリセリルモノイソパルミチン酸エステル 9.0
(6)1,3-ブチレングリコール 6.0
(7)水酸化カリウム 0.1
(8)パラオキシ安息香酸メチル 0.1
(9)精製水 53.4
(10)酸化チタン 9.0
(11)タルク 7.4
(12)ベンガラ 0.5
(13)黄酸化鉄 1.1
(14)黒酸化鉄 0.1
(15)香料 0.1
(16)製造例1 0.15
(17)ハマメリタンニン 0.05
製法:(1)〜(5)の油相成分を混合し、75℃に加熱して均一とする。一方(6)〜(9)の水相成分を混合し、75℃に加熱,溶解して均一とし、これに(10)〜(14)の顔料を添加しホモミキサーにて均一に分散させる。この水相成分に前記油相成分を添加し、ホモミキサーにて均一に乳化した後冷却し、40℃にて(15)〜(17)を添加,混合する。
【0058】
製法:(1)〜(6)の油相成分を混合,溶解して75℃に加熱する。一方、(7)〜(9)の水相成分を混合,溶解して75℃に加熱する。ついで、この水相成分に油相成分を添加して予備乳化した後、ホモミキサーにて均一に乳化して冷却し、40℃にて(10)及び(11)を添加,混合する。
【0059】
【発明の効果】
以上詳述したように、本発明により、活性酸素種消去作用が相乗的に増強され、生体内外の酸化ストレスに起因する皮膚の老化や損傷を防止し、更に有効に改善しうる皮膚外用剤を提供することができた。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an external preparation for skin that has a synergistically enhanced action of eliminating reactive oxygen species and can prevent skin aging and damage caused by oxidative stress inside and outside a living body. More specifically, the present invention relates to an external preparation for skin comprising a combination of a beech genus plant extract and a component having an action of eliminating reactive oxygen species.
[0002]
[Prior art]
It is well known that active oxygen species such as hydroxyl radical, singlet oxygen, and superoxide are generated in the body due to ultraviolet rays and in vivo metabolism, and these have various adverse effects on the living body. In particular, regarding the skin tissue, it has been suggested that such reactive oxygen species are deeply involved in not only skin lipid peroxidation but also skin aging such as wrinkle formation and dermis component degeneration.
[0003]
In order to prevent or improve skin aging and damage caused by reactive oxygen species, search for substances that eliminate them has been conducted for a long time. Vitamin E group compounds and plant-derived tannins such as tea tannins , Carotenoids, or other animal and plant extracts are used.
[0004]
However, the reactive oxygen species scavengers that have been used in the past have poor stability, and the scavenging action is weak and insufficient. There were many things that could not be obtained.
[0005]
[Problems to be solved by the invention]
Therefore, the present invention synergistically enhances the action of scavenging reactive oxygen species, effectively prevents peroxidation in a complex living body, and obtains a skin external preparation that can effectively prevent or improve skin aging and damage. For the purpose.
[0006]
[Means for Solving the Problems]
As a result of various studies to solve the above-mentioned problems, the present inventor formulated a beech genus plant extract and a plant extract or component having an action of eliminating reactive oxygen species into various skin external preparations. However, the present invention has been found to be stable and not only to reduce the active oxygen species elimination activity but also to increase synergistically, thereby completing the present invention.
[0007]
As an application to the skin external preparation of a beech genus plant, an epithelial preparation containing an ethanol extract as an active ingredient (Japanese Patent Publication No. 4-33765), a slimming agent containing a European beech extract as an active ingredient (French Patent No. 266228) No.), a composition for oral cavity containing a beech family radish extract as an active ingredient (Japanese Patent Laid-Open No. Hei 6-298633), a cosmetic containing a seed coat of beech plant and a shell fungus extract as an antioxidant (Japanese Patent Laid-Open No. 7-126618), keratinocyte protein synthesis promoting action of an extract from beech tree buds (Japanese Patent Laid-Open No. 9-227397) and the like have already been disclosed. This time, it has been found that the combined use of a beech genus plant extract and a plant extract or component having a reactive oxygen species scavenging action synergistically enhances the reactive oxygen species scavenging action in living tissue, particularly skin tissue. . The mechanism by which such synergistic action is obtained is not clear, but stabilization of each reactive oxygen species scavenging action and enhancement of scavenging action in a chain oxidation reaction in vivo can be considered.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
That is, in the present invention, as a plant extract or component having an action of eliminating reactive oxygen species, hamamelis ( Hamamelis japonica Sieb.et Zucc., Hamamelis obtsusata Makino, Hamamelis japonica Sieb.et Zucc.var. Obtsusata Matsum., Hamamelis virginiana L , Hamamelis mollis Oliv.), Quercus genus, Carcinus genus, Wallemoco genus, Button genus, Ginkgo bibloba L., Birch genus, Parsley ( Petroselium saticum , Petroselium sativm Hoffm., Petroselium crispum Nyman, Petroselium hortense One or two or more plant extracts selected from Petroselium crispum (Mill.) Nym. Ex AW Hill, Apium petroselium L.) and hammelitannin are preferably used.
[0009]
The plant of the genus Beech used in the present invention is a kind of the plant of the family Fagaceae . Plants of the genus Beech include Beech (Bunaki, Shirobuna, Buckwheat, Fagus crenata Bl.), American Beech ( Fagus grandifolia Ehrh .; Fagus ferruginea Ait .; Fagus americana Sweet.), Dog Beech (Kurobuna, Fagus japonica Maxim .; Fagus longipetiol Seem .; Fagus sylvatica var. longipes Oliv .; Fagus sinensis Oliv.), European beech ( Fagus sylvatica L.) and the like. Among these beech plants, it is preferable to use European beech ( Fagus sylvatica L.) from the viewpoint of the effect of the present invention.
[0010]
The extraction site for obtaining the extract of the beech genus plant is not particularly limited, and examples thereof include bark and its mucus, fruit, seed, flower, branch, leaf and the like. Most preferable from the viewpoint of the effect.
[0011]
Hamamelis japonica Sieb.et Zucc., Hamamelis obtsusata Makino, Hamamelis japonica Sieb.et Zucc.var.obtsusata Matsum., Hamamelis virginiana L., Hamamelis mollis Oliv. It is a deciduous tree distributed in a slightly humid forest in the eastern North America, Canada, and Mexico. The dried leaves are called Hamelis tea, which is used as a laxative, and the bark has been used for the production of Hamelis water. In the present invention, the extraction site at the time of obtaining the extract of Hammamelis is not particularly limited, and examples thereof include bark and mucus, leaves, flowers, branches, roots, etc. Among them, one kind selected from leaves and bark or It is preferred to use extracts from two sites.
[0012]
In the present invention, the genus Quercus used in combination with a beech genus plant is a plant belonging to the family Fagaceae . In the present invention, it is not particularly limited as long as it is a plant of the genus Quercus, for example, Quercus serrata Thunb., Quercus grandulifera Blume, Quercus serrata Murray, Quercus grosseserrata Blume, Quercus crispula Blume, Quercus mongolica Fisch. var. grosseserata (Blume) Rehd. et Wils.), oak (Quercus acutissima Carruth.), oriental oak (Watakunugi, Watamaki, Okunugi, Kurigashiwa) (Quercus variabilis Blume), oak (Kashiwagi, Mochigashiwa ) (Quercus dentata Thunb.), Quercus Aliena (Quercus aliena Blume), phillyraeoides (Imamegashi, Umamegashi) (Quercus phillyraeoides A. Gray), evergreen oak (Kurogashi) (Quercus myrsinaefolia Blume, Cyclobalanopsis myrsinaefolia (Blume) Oerst.), glauca (Quercus glauca Thunb., Cyclobalanopsis glauca (Thunb.) Oerst.), Quercus paucidentat a Franch., Quercus salicina Blume, Cyclobalanopsis paucidentata Kudo et Masam., Quercus sessilifolia Blume, Cyclobalanopsis sessilifolia Blume), Quercus salicina (Quercus stenophylla Makino, Quercus salicina Blume , Cyclobalanopsis salicina (Blume) Oerst.), Yokomegashi (Shimagashi) (Quercus glauca Thunb. var. fasciata Blume), Hiryuugashi (Quercus glauca Thunb. var. lacera Matsum.), Cyclobalanopsis (Oogashi, Oobagashi) (Quercus acuta Thunb., Cyclobalanopsis acuta (Thunb.) Oerst.), Quercus Gilva (yew, Ichigashi) ( Quercus gilva Blume, Cyclobalanopsis gilva (Blume) Oerst.), White Oak ( Quercus alba L.), Swamp White Oak ( Quercus bicolor Willd.), Turkey Oak (Italian Oak) ( Quercus cerris L.), Mall Oak (Canyon Live) Oak) ( Quercus chrysolepis Liebm.), Ishiguri ( Quercus cornea Lour., Lythocarpus cornea (Lour.) Reh d.), Shin'oku (Quercus gambelii Nutt.), Encina (Quercus agrifolia Nee), Amorioku (Quercus emoryi Torr.), Mesaoku (Quercus engelmannii Greene), Oregon white oak (Quercus garryana Dougl.), California black oak (Quercus kellogi Newsb.), California white oak (Quercus lobata Nee), way Bee leaf oak (Quercus undulata Torr.), cork oak (Quercus lucombeana Sweet, Quercus suber L. ), home OR Holly Oak (Quercus ilex L.), Okinawa salicina (Quercus miyagii Koidz., Cyclobalanopsis miyagii (Koidz.) Kudo et Masamune), Mongolinara (Moukogashira) ( Quercus mongolica Fisch.var. mongolica ), Chestnut oak ( Quercus prinus L.), Common oak (English oak) ( Quercus robur L.) ), include such as alpine yew (Quercus semicarpifolia Sm.) It is. Among these Quercus plants, from the viewpoint of the effect of the present invention, it is preferable to use one or two kinds of plants selected from Quercus (Nara) and Mizunara (Paras). Moreover, the extraction site | part at the time of obtaining the extract of a Quercus genus plant is not specifically limited, A bark and its mucus, a fruit, a seed, a flower, a branch, a leaf, a root etc. are mentioned, Among these, a leaf, a bark, a branch, Extracts from one or more sites selected from roots are most preferable from the viewpoint of the effect of the present invention.
[0013]
In the present invention, the genus plant belonging to the genus Beech is a plant belonging to the family Hippocastanaceae . No particular limitation is imposed on the horse chestnut plant belonging to the genus example, horse chestnut (Aesculus turbinata Blume), horse chestnut (Umaguri, horse chestnut) (Aesculus hippocastanum L.), California bucky (Aescu lus california (Spach.) Nutt.), Indian Chestnut ( Aesculus Indica Colebr. ex Wall.) , yellow sweet bucky (Aesculus octandra Marsh.), Shinatochinoki (Aesculus chinensis Bunge), heaven nurses chestnut (Aesculus wilsonii Rehd.), safflower horse chestnut (Aesculus carnea Hayne), Red-Nosed American horse chestnut (Aesculus pavia L.) and the like. There are no particular restrictions on the extraction site for obtaining the extracts of these genus plants, including bark and its mucus, fruit, seeds, seed coat, flowers, branches, leaves, roots, etc. Among them, leaves, bark, Extracts from one or more sites selected from fruits and seed coats are most preferred from the viewpoint of the effect of the present invention.
[0014]
In the present invention, the plant belonging to the genus Wallemocow used in combination with a beech genus plant is a perennial herb belonging to Rosaceae . No particular limitation is imposed on the sanguisorba plant for example, burnet (Sanguisorba officinalis L.), Naga Bosi Noshiro Burnet (Sanguisorba tenuifolia Fisch. Var. Alba Trautv. Et Mey), Karaitosou (Sanguisorba hakusanensis Makino), Southern tow inner tank (Nanbutou goldenrod) (Sanguisorba obtusa Maxim.), white banner tow inner tank (white banner tow goldenrod) (Sanguisorba albiflora Makino, Sanguisorba obtusa Maxim. var. albiflora Makino), Takamine tow inner tank (Takamine toe goldenrod) (Sanguisorba stipulata Rafin., Sanguisorba sitchensis CA Mey ), Dutch reeds ( Sanguisorba minor Scop.), And Reeds ( Senguisorba tenuifolia Fisch.). There are no particular limitations on the extraction site for obtaining these extracts of the genus Waremocow, and stems, rhizomes, roots, leaves, flowers, fruits, etc. are used. Among them, the extract of rhizomes is the point of the effect of the present invention. To most preferred.
[0015]
The button genus plant used in combination with the beech genus plant in the present invention is a herb or shrub belonging to the family Ranunculaceae . Is not particularly limited for example as peony, peony (sicklepod) (Paeonia albiflora Pall. Forma hortensis Makino, Paeonia lactiflora Pall., Paeonia lactiflora Pall. Var. Trichocarpa (Bunge) Stern, Paeonia veichii Lynch., Paeonia anomala L. , Paeonia mairei Levl.), mountain peony (Paeonia obovata Maxim. var. japonica Makino, Paeonia japonica Miyabe et Takeda), button (Hatsukagusa, Fukamigusa, Natorigusa) (Paeonia suffruticosa Andr., Paeonia moutan Sims., Paeonia arborea Donn ex Koch ), Himalayan peonies ( Paeonia emodii Wall. Ex Royle), Safflower peonies ( Paeonia obovata Maxim.), Netherland peonies ( Paeonia officinalis L.), Hosoba peonies ( Paeonia tenuifolia L.), and the like. Among these button genus plants, it is preferable to use one or more selected from peony, peony, and buttons. The extraction site is not particularly limited, and stems, roots, leaves, flowers, fruits and the like are used. Among them, extracts from the roots are particularly preferable from the viewpoint of the effect of the present invention.
[0016]
In the present invention, Ginkgo bibloba L. used in combination with a beech genus plant is a plant belonging to the genus Ginkgoaceae . The extraction site is not particularly limited, and bark, sap, leaves, branches, roots, fruits, and the like are used. Among these, extracts from leaves are most preferable from the viewpoint of the effect of the present invention.
[0017]
The birch plant used in combination with the beech plant in the present invention is a plant belonging to the family Betulaceae . For example, birch (birch, birch, birch, birch) ( Betula platyphylla Sukatchev var. Japonica Hara), Betula ermani Cham., Betula globispica Shiba ( Betula globispica Shiba) ), Betula dahurica (Koonoore) (Betula davurica Pall.), birch (Saihadakanba) (Betula maximowicziana Regel), Azusa (Yogusominebari) (Betula grossa Sieb. et Zucc . var. ulmifolia Makino), Betula grossa (Azusa, Koppadaminebari) (Betula grossa Sieb. Et Zucc.), Betula corylifolia Regel et Maxim., Onoole (Onore, Azusaminebari) ( Betula schmidtii Regel), Makamba ( Betula nikoensis Koidz.), Black birch ( Betula lenta L.) Red birch (Betula nigra L., Betula rubra Michx .), mosquitoes Bachi (Betula papyrifera Marsh.), Silver Birch (Betu la pendula Roth., Betula verrucosa Ehrh., Betula alba L., pp), European birch (Betula pubescens Ehrh.), Himalayan birch (Betula utilis D.Don), Akakanba (Betula ermani Cham. Var. Subcordata (Regel) Koidz.). Among these plants, birch is most preferably used. The extraction site is not particularly limited, and bark, sap, leaves, branches, roots, fruits, and the like are used. Among these, an extract from bark is particularly preferable from the viewpoint of the effect of the present invention.
[0018]
Parsley ( Petroselium saticum , Petroselium sativm Hoffm., Petroselium crispum Nyman, Petroselium hortense Hoffm., Petroselium crispum (Mill.) Nym. Ex AW Hill, Apium petroselium L.) Umbelliferae ) is a biennial herbaceous plant. The extraction site | part at the time of obtaining the extract of a parsley is not specifically limited, The whole grass or the above-ground site | part of a parsley can be used, and parts, such as a leaf, a stem, a root, a seed, can also be used.
[0019]
In the present invention, extraction solvents for obtaining extracts from these plants include water, ethanol, methanol, isopropanol, isobutanol, n-hexanol, methylamyl alcohol, 2-ethylbutanol, and n-octyl alcohol. Monohydric alcohols, glycerin, ethylene glycol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, propylene glycol, propylene glycol monomethyl ether, propylene glycol monoethyl ether, triethylene glycol, 1,3-butylene glycol, hexylene glycol, etc. 1 type (s) or 2 or more types can be selected and used from polar solvents such as polyhydric alcohols or derivatives thereof. In particular, it is preferable to use purified water, ethanol, 1,3-butylene glycol, glycerin, propylene glycol alone or in combination of two or more from the viewpoint of safety and stability when blended into a skin external preparation. .
[0020]
Examples of the extraction method include a method of extraction by immersion in a cooled or heated state, a method of extraction using a distillation method such as steam distillation, etc., and these methods are used alone or in combination of two or more. To extract.
[0021]
The ratio of the plant body and the solvent at the time of extraction is not particularly limited, but the solvent is 0.5 to 1000 times by weight with respect to the plant body 1, particularly 0.5 to 100 weight in terms of extraction operation and efficiency. Double is preferred. The extraction temperature is conveniently in the range of 5 ° C. to the boiling point of the solvent under normal pressure, and the extraction time is preferably in the range of 2 hours to 2 weeks, although it varies depending on the extraction temperature.
[0022]
In addition, the plant extract thus obtained can be used as it is, but a purification operation such as deodorization, decolorization, and concentration is added within the range not losing the effect of the present invention, and further, column chromatography and the like. May be used as a fraction. These extracts, deodorized products, purified products, and fractions can be made dry by removing the solvent from these extracts, and can also be used as a skin external preparation in a form solubilized in a solvent such as alcohol or in the form of an emulsion. Can be blended.
[0023]
Furthermore, in the present invention, when obtaining a beech genus plant extract, it is most preferable to use beech plant buds extracted with purified water. More specifically, after processing the collected shoots of the beech plant at high frequency, the cell membrane is crushed, the contents of the cells are recovered by low temperature extraction using purified water as a solvent, and filtered to obtain an insoluble residue. It is preferable to use an extract obtained by removing the organic acid by removing the organic acid by reducing the pressure, concentrating and removing the organic acid by osmosis treatment.
[0024]
In the present invention, hamamelitannin used in combination with a beech genus plant is a component contained in the extract of the leaf and bark of the Hamelis.
[0025]
In the present invention, a beech genus plant extract and a plant extract or component having an action of eliminating reactive oxygen species are blended in a normal skin external preparation base. In consideration of the effective concentration in the preparation, the stability in the preparation, etc., the blending amount is suitably about 0.00001 to 5.0% by weight. As the form of the external preparation, various forms such as lotion, emulsion, cream, ointment and the like can be taken. It can also be provided as cosmetics such as lotions, cosmetics, and emulsions.
[0026]
[Action]
In order to show the action of the present invention, first, production examples of various plant extracts will be shown.
[0027]
[Production Examples 1 to 10]
500 g of each plant shown in Table 1 was immersed in 1000 ml of the solvent shown in Table 1 and extracted by allowing to stand at room temperature for one week. Thereafter, the plant body was removed by filtration, and the solvent was distilled off under reduced pressure. Then, the obtained solid content was redissolved in each solvent to 50 ml, and Production Examples 1 to 8 were obtained.
[0028]
[Table 1]
[0029]
The protective effect against cell damage due to ultraviolet rays when a beech genus plant extract and a component having an action of eliminating reactive oxygen species are used together is shown below.
[0030]
Mouse keratinocytes were cultured in a modified MCDB153 medium by Kitano et al. At 37 ° C. for 24 hours, then washed twice with a phosphate buffered saline solution, replaced with Hanks buffer solution, and each sample shown in Tables 2 and 3 Were added, and 300 mJ / cm 2 of medium wavelength ultraviolet rays (UVB) were irradiated using a FL-20S · E lamp as a light source. After irradiation, the keratinocytes were incubated in MCDB153 medium at 37 ° C. for 24 hours, the cell viability was determined by the neutral red method, and the survival rate when each sample was added with the viability of the control culture system not irradiated with UVB as 100%. The ratio is shown in Tables 2 and 3.
[0031]
[Table 2]
[0032]
[Table 3]
[0033]
As shown in Tables 2 and 3, after exchanging with Hanks buffer, irradiation with UVB without adding reactive oxygen species quencher (sample 25) resulted in cell viability up to 47.2% of the control culture system. It was recognized that the sample was depressed, and the sample 11 to which the European beech extract was added had a cell survival rate of 46.8%, and the European beech extract alone had no protective effect. In samples 14 to 25 to which hamamelitannin or production examples 2 to 10 were added alone, an increase in cell viability was observed, but a sufficient increase was not obtained. On the other hand, in the samples (Sample 1 to Sample 13) to which both the beech extract of Production Example 1 and the reactive oxygen species scavenger such as hamamelitannin were added, a significant recovery of the cell viability was observed, In particular, Sample 11 to Sample 13 using a combination of European beech extract, Hamelian tannin, and various plant extracts showed a high cell survival rate of 95% or more.
[0034]
【Example】
Further, the features of the present invention will be described in detail with reference to examples.
[0035]
A skin cream was prepared according to the following formulation. The active ingredients in the formulation are shown in Table 4.
Production method: (1) to (5) were mixed and dissolved by heating to 75 ° C., and mixed, heated and dissolved to 75 ° C. (6) to (9) and (12) were added and emulsified, (10) and (11) are added and mixed at 40 ° C after cooling.
[0036]
[Table 4]
[0037]
About the said Example of this invention, the anti-aging effect of skin was examined by evaluating the prevention effect with respect to skin wrinkle generation | occurrence | production. When hairless mice are irradiated with long wavelength ultraviolet rays (UVA), the generation of wrinkles is promoted. The effect of preventing UVA from wrinkles was evaluated. 5 hairless mice are grouped, and each example and comparative example is applied to the back of each group once a day, irradiated with 1 J / cm 2 / week of UVA for 50 weeks, and the occurrence of wrinkles in the hairless mice is observed. Observed and scored according to the criteria shown in Table 5. At this time, a group to which only purified water was applied was used as a control, and as a comparative example, a composition containing the components shown in Table 6 was used instead of the active ingredients in the skin cream formulation. As a result, the average value of each group was calculated and shown in Tables 7 and 8 according to the relationship with the number of UVA irradiation days.
[0038]
[Table 5]
[0039]
[Table 6]
[0040]
[Table 7]
[0041]
[Table 8]
[0042]
As shown in Tables 7 and 8, in the control group, when the UVA irradiation days exceeded 40 weeks, the depth of wrinkles formed reached a medium level, and after 50 weeks, deep wrinkles occurred. It was recognized. On the other hand, in the example application group of the present invention, the occurrence of wrinkles was remarkably suppressed to the extent that fine wrinkles were observed after 50 weeks in all cases. On the other hand, in the comparative application group containing beech extract or hamamelitannin alone as an active ingredient, although the effect of preventing wrinkle generation is recognized, it is much smaller than in the example application group, and most mice Minor wrinkles were observed.
[0043]
Furthermore, the use test was done about said Example 1- Example 13 and Comparative Example 1- Comparative Example 12 of this invention. In the use test, 10 panelists working outdoors are made into a group, and each group is made to use the examples and comparative examples blindly on the face and hands, and changes in wrinkles and skin elasticity are observed and shown in Table 9. The evaluation was made according to the standard. The usage period was one year from April to March. The average value was calculated and the results are shown in Table 10.
[0044]
[Table 9]
[0045]
[Table 10]
[0046]
In Table 10, an increase in wrinkles and a decrease in skin elasticity were observed in the use group of Comparative Example 1 containing no active ingredient. On the other hand, in the example use group of the present invention, a decrease in wrinkles and a clear increase in skin elasticity were observed. On the other hand, in the use group of Comparative Example 2 to Comparative Example 12 containing only active oxygen species scavengers such as beech extract and hamamelitannin, the effect of preventing wrinkles and skin elasticity from being reduced as compared with Comparative Example 1 was recognized. However, they did not show a remarkable improvement trend.
[0047]
In the example use group of the present invention, no panelists recognized skin irritation and sensitization during the use test period.
[0048]
Furthermore, the formulation of another example of the present invention is shown below.
[0049]
[Example 14] Skin lotion
(1) Ethanol 10.0 (wt%)
(2) Hydroxyethyl cellulose 1.0
(3) Production Example 1 0.2
(4) Hamelintannin 0.1
(5) Methyl paraoxybenzoate 0.1
(6) Purified water 88.6
Production method: (1) to (6) are mixed to make uniform.
[0050]
[Example 15] Emulsion for skin
(1) Stearic acid 0.2 (% by weight)
(2) Cetanol 1.5
(3) Vaseline 3.0
(4) Liquid paraffin 7.0
(5) Polyoxyethylene (10EO) monooleate 1.5
(6) Tocopherol acetate 0.5
(7) Glycerin 5.0
(8) Methyl paraoxybenzoate 0.1
(9) Triethanolamine 1.0
(10) Purified water 79.8
(11) Production Example 1 0.2
(12) Production Example 2 0.2
Production method: The oil phase components (1) to (6) are mixed, heated and uniformly dissolved, and kept at 70 ° C. On the other hand, the aqueous phase components (7) to (10) are mixed and heated to be uniform, and set to 70 ° C. The oil phase component is gradually added to the aqueous phase component with stirring and emulsified. After cooling, (11) and (12) are added and mixed at 40 ° C.
[0051]
[Example 16] Gel for skin
(1) Purified water 88.4 (wt%)
(2) Carboxyvinyl polymer 0.5
(3) Dipropylene glycol 10.0
(4) Methyl paraoxybenzoate 0.1
(5) Potassium hydroxide 0.1
(6) Production Example 1 0.5
(7) Production Example 3 0.4
Manufacturing method: (2) is uniformly dissolved in (1), (4) is dissolved and added to (3), then (5) is added to increase the viscosity, and (6) and (7) are added To do.
[0052]
Production method: The oil phase components (1) to (7) are mixed, dissolved, and heated to 75 ° C. On the other hand, the water phase components (8) to (10) are mixed and dissolved and heated to 75 ° C. Next, the oil phase component is added to the water phase component and pre-emulsified, and then uniformly emulsified with a homomixer. After cooling, (11) and (12) are added and mixed at 40 ° C.
[0053]
[Example 18] Oil-in-water emulsion ointment
(1) White petrolatum 25.0 (wt%)
(2) Stearyl alcohol 25.0
(3) Glycerin 12.0
(4) Sodium lauryl sulfate 1.0
(5) Methyl paraoxybenzoate 0.1
(6) Purified water 35.9
(7) Production Example 1 0.5
(8) Production Example 5 0.5
Production method: The oil phase components (1) to (4) are mixed, dissolved and made uniform, and heated to 75 ° C. On the other hand, (5) is dissolved in (6) and heated to 75 ° C., and the oil phase component is added thereto to emulsify, and after cooling, (7) and (8) are added and mixed at 40 ° C. .
[0054]
[Example 19] Lotion
(1) Ethanol 10.0 (wt%)
(2) 1,3-butylene glycol 5.0
(3) Production Example 1 0.2
(4) Production Example 6 0.2
(5) Production Example 7 0.2
(6) Fragrance 0.1
(7) Purified water 84.3
Manufacturing method: (1) to (6) are sequentially added to (7) and mixed and dissolved uniformly.
[0055]
[Example 20] Emollient cream (water-in-oil type)
(1) Liquid paraffin 30.0 (wt%)
(2) Microcrystalline wax 2.0
(3) Vaseline 5.0
(4) Diglyceryl oleate 5.0
(5) Sodium L-glutamate 1.6
(6) L-serine 0.4
(7) Propylene glycol 3.0
(8) Methyl paraoxybenzoate 0.1
(9) Purified water 51.8
(10) Fragrance 0.1
(11) Production Example 1 0.4
(12) Production Example 8 0.3
(13) Production Example 9 0.3
Production method: (5) and (6) are dissolved in a part of (9) to 50 ° C. and gradually added to (4) heated to 50 ° C. with stirring. This was mixed in advance and uniformly dispersed in (1) to (3) heated and dissolved at 70 ° C. Then, (7) and (8) were dissolved in the remainder of (9) and heated to 70 ° C. Add with stirring and emulsify with homomixer. After cooling, add and mix (10) to (13) at 40 ° C.
[0056]
[Example 21] Makeup base cream
(1) Stearic acid 12.0 (wt%)
(2) Cetanol 2.0
(3) Glyceryl tri-2-ethylhexanoate 2.5
(4) Self-emulsifying glyceryl monostearate 2.0
(5) Propylene glycol 10.0
(6) Potassium hydroxide 0.3
(7) Purified water 69.0
(8) Titanium oxide 1.0
(9) Bengala 0.1
(10) Yellow iron oxide 0.4
(11) Fragrance 0.1
(12) Production Example 1 0.3
(13) Production Example 10 0.3
Production method: The oil phase components (1) to (4) are mixed and heated to 75 ° C. to be uniform. On the other hand, the water phase components (5) to (7) are mixed, heated and dissolved at 75 ° C. to make uniform, and the pigments (8) to (10) are added to this and uniformly dispersed with a homomixer. . The oil phase component is added to the water phase component, emulsified with a homomixer, cooled, and (11) to (13) are added and mixed at 40 ° C.
[0057]
[Example 22] Emulsion foundation
(1) Stearic acid 2.0 (wt%)
(2) Squalane 5.0
(3) Octyldodecyl myristate 5.0
(4) Cetanol 1.0
(5) Decaglyceryl monoisopalmitate 9.0
(6) 1,3-butylene glycol 6.0
(7) Potassium hydroxide 0.1
(8) Methyl paraoxybenzoate 0.1
(9) Purified water 53.4
(10) Titanium oxide 9.0
(11) Talc 7.4
(12) Bengala 0.5
(13) Yellow iron oxide 1.1
(14) Black iron oxide 0.1
(15) Fragrance 0.1
(16) Production Example 1 0.15
(17) Camel tannin 0.05
Production method: The oil phase components (1) to (5) are mixed and heated to 75 ° C. to be uniform. On the other hand, the aqueous phase components (6) to (9) are mixed, heated and dissolved at 75 ° C. to make uniform, and the pigments (10) to (14) are added thereto and uniformly dispersed with a homomixer. The oil phase component is added to the aqueous phase component, and the mixture is uniformly emulsified with a homomixer, cooled, and (15) to (17) are added and mixed at 40 ° C.
[0058]
Production method: The oil phase components (1) to (6) are mixed, dissolved, and heated to 75 ° C. On the other hand, the aqueous phase components (7) to (9) are mixed and dissolved, and heated to 75 ° C. Next, an oil phase component is added to this aqueous phase component and pre-emulsified, and then uniformly emulsified with a homomixer and cooled, and (10) and (11) are added and mixed at 40 ° C.
[0059]
【The invention's effect】
As described above in detail, according to the present invention, a skin external preparation capable of synergistically enhancing the action of scavenging reactive oxygen species, preventing skin aging and damage due to oxidative stress inside and outside the living body, and further improving it effectively. Could be provided.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36783497A JP3849269B2 (en) | 1997-12-26 | 1997-12-26 | Topical skin preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36783497A JP3849269B2 (en) | 1997-12-26 | 1997-12-26 | Topical skin preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11193243A JPH11193243A (en) | 1999-07-21 |
| JP3849269B2 true JP3849269B2 (en) | 2006-11-22 |
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| JP36783497A Expired - Fee Related JP3849269B2 (en) | 1997-12-26 | 1997-12-26 | Topical skin preparation |
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| JP (1) | JP3849269B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001072568A (en) * | 1999-09-07 | 2001-03-21 | Sunstar Inc | Skin cosmetic |
| JP2002241299A (en) * | 2001-02-13 | 2002-08-28 | Ichimaru Pharcos Co Ltd | Maillard reaction repair agent |
| MC200029A1 (en) * | 2001-04-19 | 2001-11-28 | Jose Eisenberg | Application of three molecules |
| JP4869751B2 (en) * | 2006-03-14 | 2012-02-08 | 株式会社マンダム | Sunburn cell formation inhibitor and DNA damage repair promoter |
| JP2008290970A (en) * | 2007-05-24 | 2008-12-04 | Mandom Corp | Sunburn cell development inhibitor, and composition for sun care formulation containing the same |
| FR3051369B1 (en) * | 2016-05-23 | 2019-06-14 | Biolie | BEET HINT EXTRACTS, COMPOSITIONS AND USES |
| CN115282097A (en) * | 2022-08-19 | 2022-11-04 | 澳宝化妆品(惠州)有限公司 | Cyclobalanopsis glauca bark extract and skin care composition containing same |
| CN115645334B (en) * | 2022-11-15 | 2024-01-30 | 英中再生医学(山东)有限公司 | Moisturizing and anti-aging cosmetic and preparation method thereof |
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|---|---|---|---|---|
| JP2903324B2 (en) * | 1989-11-15 | 1999-06-07 | 丸善製薬株式会社 | Superoxide scavenger |
| JPH0797322A (en) * | 1993-09-29 | 1995-04-11 | Shiseido Co Ltd | Singlet oxygen elimination agent |
| JPH07133216A (en) * | 1993-11-08 | 1995-05-23 | Noevir Co Ltd | External agent for preventing aging of skin |
| JP3665360B2 (en) * | 1994-05-02 | 2005-06-29 | ポーラ化成工業株式会社 | Active oxygen scavenger and composition containing the same |
| JP3364773B2 (en) * | 1994-09-30 | 2003-01-08 | 株式会社コーセー | External preparation for skin |
| JPH08217655A (en) * | 1995-02-10 | 1996-08-27 | Kao Corp | Wrinkle formation inhibitor |
| JP3645318B2 (en) * | 1995-07-03 | 2005-05-11 | 株式会社ノエビア | Anti-aging skin external preparation |
| JP3578858B2 (en) * | 1995-12-11 | 2004-10-20 | 株式会社ノエビア | Skin preparation |
| JPH09221410A (en) * | 1996-02-14 | 1997-08-26 | Noevir Co Ltd | Aging preventing skin ointment |
| JPH09227397A (en) * | 1996-02-19 | 1997-09-02 | Ikeda Bussan Kk | Preparation for external use for skin |
| JPH09241150A (en) * | 1996-03-06 | 1997-09-16 | Noevir Co Ltd | Skin external agent |
| JPH09241637A (en) * | 1996-03-14 | 1997-09-16 | Chugai Pharmaceut Co Ltd | Composition for removing active oxygen free radical and removal thereof |
| JPH09291011A (en) * | 1996-04-24 | 1997-11-11 | Kose Corp | Composition suitable for eternal use |
| JPH09323915A (en) * | 1996-06-05 | 1997-12-16 | Ichimaru Pharcos Co Ltd | Melanin generation inhibitor consisting of n-acetylthyrosine derivative as active ingredient and application of the same to skin preparation for external use and bath agent |
-
1997
- 1997-12-26 JP JP36783497A patent/JP3849269B2/en not_active Expired - Fee Related
Also Published As
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|---|---|
| JPH11193243A (en) | 1999-07-21 |
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