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Inhibitory effects of 150 plant extracts on elastase activity, and their anti-inflammatory effects / K.-K. Lee in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 21, N° 2 (04/1999)
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Titre : Inhibitory effects of 150 plant extracts on elastase activity, and their anti-inflammatory effects Type de document : texte imprimé Auteurs : K.-K. Lee, Auteur ; J.-H. Kim, Auteur ; J.-J. Cho, Auteur ; J.-D. Choi, Auteur Année de publication : 1999 Article en page(s) : p. 71-82 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anti-inflammatoires
Extraits de plantes:Extraits (pharmacie)
Ingrédients cosmétiquesTags : Antioxidant Elastase Hyaluronidase Inhibition 'Extraits de plantes' Index. décimale : 668.5 Parfums et cosmétiques Résumé : The inhibitory effects of 150 medicinal plants on elastase activity were investigated. Among the 150 plants, six plant extracts (final concentration 1 mg/ml in methanol) exhibited more than 65% of inhibition of elastase activity. The inhibitory effects of six active plants, including Areca catechu (IC50, 42.4 μg/ml), Cinnamonum cassia (IC50, 208.7 μg/ml), Myristica fragrans (IC50, 284.1 μg/ml), Curcuma longa (IC50, 398.4 μg/ml), Alpinia katsumadai (IC50, 465.7 μg/ml) and Dryopteris cassirrhizoma (IC50, 714.4 μg/ml) on the activity of human leukocyte elastase, hyaluronidase and lipid peroxidation were examined. In the lipid peroxidation assay, using the TBA method, three of the six plants, including Curcuma longa (IC50, 45.5 μg/ml), Areca catechu (IC50, 51.0 μg/ml) and Alpinia katsumadai (IC50, 116.3 μg/ml) exhibited more than 70% inhibition at the concentration of 1 μg/ml, but only one plant, Areca catechu (IC50, 563 μg/ml) showed high inhibitory effect on hyaluronidase activity. The results suggest that medicinal plants showing several biological activities may be potent inhibitors of the anti-ageing process in skin. This property might be useful for application in cosmetics. DOI : 10.1046/j.1467-2494.1999.181638.x En ligne : https://onlinelibrary.wiley.com/doi/10.1046/j.1467-2494.1999.181638.x Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26493
in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 21, N° 2 (04/1999) . - p. 71-82[article]The effects of Areca catechu L extract on anti-inflammation and anti-melanogenesis / Kun-Kook Lee in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 21, N° 4 (08/1999)
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Titre : The effects of Areca catechu L extract on anti-inflammation and anti-melanogenesis Type de document : texte imprimé Auteurs : Kun-Kook Lee, Auteur ; Jung-Do Choi, Auteur Année de publication : 1999 Article en page(s) : p. 275–284 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Piégeage des radicaux libres' Hyaluronidase Tyrosinase 'Anti-mélanogénèse' Antioxydants 'Palmier à bétel' Index. décimale : 668.5 Parfums et cosmétiques Résumé : Ethanolic extract (CC-516) from Areca catechu L was prepared and its various biological activities were evaluated, CC-516 showed potent anti-oxidative, free radical scavenging, and anti-hyaluronidase activity. Anti-oxidative effect of CC-516 (IC : 45.4 μg/ml) was lower than butylated hydroxytoluene (IC : 5μg ml), but similar to tocopherol and higher than ascorbic acid. Especially, CC-516 exhibited relatively high free radical scavenging activity (IC : 10.2 μg/ml) compared to control. CC-516 inhibited effectively hyaluronidase activity (IC: : 416 μg/ml), showed inhibition in vivo on delayed hypersensitivity as well as croton-oil induced ear edema in mice when it was topically applied. These results strongly suggest that CC-516 may reduce immunoregulatory/inflammatory skin trouble. Also, from the results, we have elucidated that CC-516 showed anti-allergic and anti-cytotoxicity activity. The whitening effect of CC-516 shown by the inhibition of mushroom tyrosinase activity with IC of 0.48 mg/ml and of melanin synthesis in B16 melanoma cells. This study indicates that CC-516 is effective on anti-inflammatory/anti-melanogenesis, and can be used as a new agent for cosmetics. DOI : 10.1046/j.1467-2494.1999.196590.x En ligne : https://onlinelibrary.wiley.com/doi/10.1046/j.1467-2494.1999.196590.x Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26485
in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 21, N° 4 (08/1999) . - p. 275–284[article]