JPWO2020096058A1 - 皮脂腺調整剤 - Google Patents
皮脂腺調整剤 Download PDFInfo
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- JPWO2020096058A1 JPWO2020096058A1 JP2020555653A JP2020555653A JPWO2020096058A1 JP WO2020096058 A1 JPWO2020096058 A1 JP WO2020096058A1 JP 2020555653 A JP2020555653 A JP 2020555653A JP 2020555653 A JP2020555653 A JP 2020555653A JP WO2020096058 A1 JPWO2020096058 A1 JP WO2020096058A1
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Abstract
Description
項2.前記エンテロコッカス属に属する乳酸菌がエンテロコッカス・フェカリスである、項1に記載の外用剤。
項3.前記エンテロコッカス属に属する乳酸菌がエンテロコッカス・フェカリスNF-1011株(FERM BP-10902)である、項1又は2に記載の外用剤。
項4.前記菌体が死菌体である、項1〜3のいずれか一項に記載の外用剤。
項5.前記乳酸菌の菌体成分が、乳酸菌の溶菌酵素及び加熱処理物である、項1〜4のいずれか一項に記載の外用剤。
項6.皮脂分泌の促進若しくは抑制用、乾燥肌の予防若しくは改善用、脂性肌の予防若しくは改善用、保湿用、抗ニキビ用、又は体臭の抑制用である、項1〜5のいずれか一項に記載の外用剤。
項7.エンテロコッカス属に属する乳酸菌の菌体及びその菌体成分からなる群から選択される少なくとも1種、又はエンテロコッカス属に属する乳酸菌の菌体から抽出された成分であって、酢酸エチルに可溶な成分を皮脂腺正常化を必要とする哺乳動物の皮膚に適用する工程を含む、皮脂腺正常化方法。
項8.前記エンテロコッカス属に属する乳酸菌がエンテロコッカス・フェカリスである、項7に記載の方法。
項9.前記エンテロコッカス属に属する乳酸菌がエンテロコッカス・フェカリスNF-1011株(FERM BP-10902)である、項7又は8に記載の方法。
項10.前記菌体が死菌体である、項7〜9のいずれか一項に記載の方法。
項11.前記乳酸菌の菌体成分が、乳酸菌の溶菌酵素及び加熱処理物である、項7〜10のいずれか一項に記載の方法。
項12.皮脂腺正常化用外用剤の製造における、エンテロコッカス属に属する乳酸菌の菌体及びその菌体成分からなる群から選択される少なくとも1種、又はエンテロコッカス属に属する乳酸菌の菌体から抽出された成分であって、酢酸エチルに可溶な成分の使用。
項13.前記エンテロコッカス属に属する乳酸菌がエンテロコッカス・フェカリスである、項12に記載の使用。
項14.前記エンテロコッカス属に属する乳酸菌がエンテロコッカス・フェカリスNF-1011株(FERM BP-10902)である、項12又は13に記載の使用。
項15.前記菌体が死菌体である、項12〜14のいずれか一項に記載の使用。
項16.前記乳酸菌の菌体成分が、乳酸菌の溶菌酵素及び加熱処理物である、項12〜15のいずれか一項に記載の使用。
<実験方法>
1.菌体試料の調製(FK-23)
エンテロコッカス・フェカリスNF-1011株を液体培地(グルコース2%、酵母エキス2%、ペプトン2%、リン酸水素二カリウム4%)中で37℃、18時間培養した。マイクロフィルトレーション膜で集菌及び洗浄し、生菌体を回収した。これを110℃で10分間熱処理し、処理後、スプレードライで乾燥させた。得られた死菌体乾燥物を、菌体試料(FK-23)として、以下の実験で用いた。
エンテロッコカス・フェカリスNF-1011株をロゴサ液体培地10 mlに播種し、37℃にて15時間好気的に静置培養(前培養)し、菌体濃度が約109個/mlの菌体液(シード)を得た。これをロゴサ液体培地10Lに播種(菌体濃度:106個/ml)し、37℃で16時間好気的に静置培養し、生菌数約109個/mlの菌体液を得た。得られた菌体液を遠心分離(12,000×g、20分間)して集菌し、これを生理食塩水(0.85%塩化ナトリウム水溶液)で2回洗浄して、蒸留水100 mlに懸濁し、菌体懸濁液を得た。当該菌体懸濁液にリゾチームを終濃度0.1 mg/ml量となるよう添加し、37℃で4時間処理後、110℃で10分間加熱処理して、菌体処理物を得た。得られた菌体処理物を、菌体試料(LFK)として、以下の実験で用いた。
SZ-95:ヒト皮脂腺細胞株は、デッサウ医療センター(ドイツ)から輸入し、Sebomed basal medium (Millipore, Billerica, MA)に、10%FCS (Thermo Fisher Scientific Inc., Yokohama, Japan)、50 IU/mlペニシリン及び50μg/mlストレプトマイシン(Nacalai Tesque, Kyoto, Japan)、5 ng/mlヒトEGF (PeproTech GmbH, Hamburg, Germany)を添加して培養した。培地は一日置きに交換し、60〜70%コンフルエントで細胞を継代培養した。
結果を図1に示す。アクネ菌を含まない場合、LFK及びFK-23は皮脂線を刺激し皮脂を産生させた。それに対して、アクネ菌を含む場合、LFK及びFK-23はアクネ菌によって誘導される皮脂産生を抑制させた。
<実験方法>
試験例1で確認された効果を示すFK-23中の成分を探索するために、図2に示す方法にてFK-23の分画を行った。
結果を図3に示す。図3では50%アセトニトリル画分にて試験例1に近い結果が得られているので、酢酸エチル可溶性画分に皮脂腺正常化作用を示す成分が含まれていることが分かった。
Claims (7)
- エンテロコッカス属に属する乳酸菌の菌体及びその菌体成分からなる群から選択される少なくとも1種を含有する皮脂腺正常化用外用剤。
- 前記エンテロコッカス属に属する乳酸菌がエンテロコッカス・フェカリスである、請求項1に記載の外用剤。
- 前記エンテロコッカス属に属する乳酸菌がエンテロコッカス・フェカリスNF-1011株(FERM BP-10902)である、請求項1又は2に記載の外用剤。
- 前記菌体が死菌体である、請求項1〜3のいずれか一項に記載の外用剤。
- 前記乳酸菌の菌体成分が、乳酸菌の溶菌酵素及び加熱処理物である、請求項1〜4のいずれか一項に記載の外用剤。
- 皮脂分泌の促進若しくは抑制用、乾燥肌の予防若しくは改善用、脂性肌の予防若しくは改善用、保湿用、抗ニキビ用、又は体臭の抑制用である、請求項1〜5のいずれか一項に記載の外用剤。
- エンテロコッカス属に属する乳酸菌の菌体から抽出された成分であって、酢酸エチルに可溶な成分を含有する皮脂腺正常化用外用剤。
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