The key phytochemistry of rosemary (Salvia rosmarinus) contributing to hair protection against UV / Jennifer M. Marsh in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 45, N° 6 (12/2023)  

[article]  inINTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 45, N° 6 (12/2023) . - p. 749-760 Titre : The key phytochemistry of rosemary (Salvia rosmarinus) contributing to hair protection against UV Type de document : texte imprimé Auteurs : Jennifer M. Marsh, Auteur ; Shane Whitaker, Auteur ; Lijuan Li, Auteur ; Rui Fang, Auteur ; Monique S. J. Simmonds, Auteur ; Nikolaos Vagkidis, Auteur ; Victor Chechik, Auteur Année de publication : 2023 Article en page(s) : p. 749-760 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Carnosique, Acide Cheveux -- Soins et hygiène Chimie analytique Cosmétiques Formulation (génie chimique) -- Stabilité Ingrédients cosmétiques Protection contre le rayonnement ultraviolet Romarin et constituants Rosmarinique, Acide Index. décimale : 668.5 Parfums et cosmétiques Résumé : Extracts from rosemary (Salvia Rosmarinus) are analysed for their phytochemistry using LC–MS and the phytochemistry identified. The same extracts were tested for their efficacy to act as antioxidants by both hydrogen-atom transfer (ORAC) and single electron transfer (FRAP). A correlation analysis was performed to identify the key phytochemistry responsible for antioxidant efficacy. The top performing extracts were then tested in a peptide model and in hair with the presence of UV to measure ability to protect against UV-induced peptide and protein damage. Polyphenols (e.g. rosmarinic acid, glycosides of selgin) and abietane diterpenes (e.g. carnosic acid) in rosemary were identified as the principal compounds which enables the extracts to protect hair from UV. Note de contenu : - Hair source - Material information - LC–MS sample preparation and analysis - ORAC and FRAP measurements - Peptide irradiation - Substrate decomposition - Hair treatment - Hair exposure to artificial irradiation - Biomarker analysis - Table 1 : Compounds identified in one or more of the rosemary extracts - Table 2 : ORAC and FRAP scores for rosemary extracts - Table 3 : The Pearson correlation coefficients with p-values are reported for each pair of assay and compound. This table only shows correlations with p < 0.01 ; the full table of pairwise correlation analysis is provided as (Table S1) DOI : https://doi.org/10.1111/ics.12883 En ligne : https://drive.google.com/file/d/1TJ0PQv-Q9pJbWJ_SoHVQmQmDEomO2QLA/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40260 [article]

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