Preparation of an oakmoss absolute with reduced allergenic potential / Chris Ehret in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 14, N° 3 (06/1992)  

[article]  inINTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 14, N° 3 (06/1992) . - p. 121-130 Titre : Preparation of an oakmoss absolute with reduced allergenic potential Type de document : texte imprimé Auteurs : Chris Ehret, Auteur ; P. Maupetit, Auteur ; M. Petrzilka, Auteur ; G. Klecak, Auteur Année de publication : 1992 Article en page(s) : p. 121-130 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Evernia  prunastri'  'Oakmoss  absolue'  'Acides  aminés'  Désensibilisation  Extraits  Allergènes Index. décimale : 668.5 Parfums et cosmétiques Résumé : Oakmoss absolute, an extract of the lichen Evernia prunastri, is known to cause allergenic skin reactions due to the presence of certain aromatic aldehydes such as atranorin, chloratranorin, ethyl hematommate and ethyl chlorohematommate. In this paper it is shown that treatment of Oakmoss absolute with amino acids such as lysine and/or leucine, lowers considerably the content of these allergenic constituents including atranol and chloratranol. The resulting Oakmoss absolute, which exhibits an excellent olfactive quality, was tested extensively in comparative studies on guinea pigs and on man. The results of the Guinea Pig Maximization Test (GPMT) and Human Repeated Insult Patch Test (HRIPT) indicate that, in comparison with the commercial test sample, the allergenicity of this new quality of Oakmoss absolute was considerably reduced, and consequently better skin tolerance of this fragrance for man was achieved. DOI : 10.1111/j.1467-2494.1992.tb00047.x En ligne : https://onlinelibrary.wiley.com/doi/10.1111/j.1467-2494.1992.tb00047.x Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26590 [article]

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