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Cosmetic application of the stem-bark extract of Bertholletia excelsa H.B.K / Marcia J. A. Silva in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 46, N° 5 (10/2024)
[article]
Titre : Cosmetic application of the stem-bark extract of Bertholletia excelsa H.B.K Type de document : texte imprimé Auteurs : Marcia J. A. Silva, Auteur ; Leonard D. R. Acho, Auteur ; Simone B. Carneiro, Auteur ; Anderson C. Guimaraes, Auteur ; Emerson S. Lima, Auteur Année de publication : 2024 Article en page(s) : p. 643-656 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antiâge
Biomolécules actives
Cellules -- Cultures et milieux de culture
Cellules -- Prolifération
Cosmétiques
Dermo-cosmétologie
Extraits de plantes:Extraits (pharmacie)
Noyer du Brésil et constituants
Peau -- Anatomie
Peau -- Physiologie
Peau -- Soins et hygiène
Photovieillissement (dermatologie)Index. décimale : 668.5 Parfums et cosmétiques Résumé : - Objective : The Amazon has a rich biodiversity where many different plant species can be found. This diversity is an important source of bioactive substances, mainly due to the different structural components of their phytometabolites. Research for natural products is a strategy for the development of new agents in therapeutic applications, especially cosmetic applications, that have better pharmacological potential. Within this perspective, the objective of the study was to investigate the cosmetic application (anti-aging potential) of the stem-bark extract of Bertholletia excelsa H.B.K – (SBEBE), popularly known as the Brazil nut tree, here called SBEBE, a noble plant species of the Amazon that is rich in selenium.
- Methods : Enzymatic, glycation, proliferation, cell-healing, collagen quantification, toxicity and genotoxicity assays were used.
- Results : Among the enzymes involved in the extracellular matrix of the skin, SBEBE was able to inhibit only elastase (62.67 ± 3.75) when compared to the standard sivelestat (89.04 ± 0.53), and the extract was also able to inhibit both the oxidative and the non-oxidative pathway. When cell toxicity in fibroblasts (MRC-5) and keratinocytes (HACAT) was evaluated, SBEBE did not present toxicity in 24 h of incubation. After this period, the extract showed average cytotoxicity in 48 and 72 h, but not enough to reach the concentration of 50% of MRC-5 fibroblasts. In the trypan blue assay, the extract promoted fibroblast proliferation in 24, 48 and 72 h of incubation, which was evaluated through exponential cell growth, with emphasis mainly on the lowest concentration with results higher than the standard. When the cell healing capacity was evaluated, in 48 h of exposure to fibroblast, SBEBE was able to induce a cell carpet (cell film) in the cell monolayer scratch assay.
- Conclusions : SBEBE stimulated collagen production at all concentrations tested. In the alkaline comet assay, at the lowest concentration, the extract did not induce DNA damage when compared to the reference drug doxorubicin. This study proved that SBEBE extract can be considered an ally in the treatment of skin anti-ageing as a possible biotechnological, phytocosmetic product.Note de contenu : - MATERIALS AND METHODS :
- Acquisition of the extract
- Inhibition of collagenase
- Inhibition of elastase
- Inhibition of hyaluronidase
- Inhibition of tyrosinase
- Antiglycation activity : Oxidative pathway
- Antiglycation activity : Non-oxidativepathway
- Cell lines and culture
- Assessment of cell viability
- Quantification of collagen from fibroblast cell culture
- Evaluation of genotoxicity
- RESULTS AND DISCUSSION :
- Enzymatic assays
- Oxidative and non-oxidative antiglycation activity in vitro
- Effect of B. excelsa stem-bark extract on cell viability
- Effect of B. excelsa on cell proliferation – Trypan blue
- Evaluation of B. excelsa in the in vitro cell-motility/migration assay
- Quantification of collagen in fibroblast cell culture
- Genotoxicity assessment via the comet assay
- Table 1 : Result of the stem bark of SBEBE when evaluated for enzyme inhibition capacityDOI : https://doi.org/10.1111/ics.12945 En ligne : https://drive.google.com/file/d/12t1yjHY_LxKnhL26TbI_ucZqPkOM8ZRl/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41560
in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 46, N° 5 (10/2024) . - p. 643-656[article]Exemplaires
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