A study of prunus persica (peach) resin extract on instant skin firming and anti-wrinkles / Huang Shao-Yong in SOFW JOURNAL, Vol. 147, N° 10 (10/2021)  

[article]  inSOFW JOURNAL > Vol. 147, N° 10 (10/2021) . - p. 36-40 Titre : A study of prunus persica (peach) resin extract on instant skin firming and anti-wrinkles Type de document : texte imprimé Auteurs : Huang Shao-Yong, Auteur ; Qi Qiu-Yue, Auteur ; Huang Fang, Auteur ; Zhou Li-Dan, Auteur ; Lu Yi-Na, Auteur Année de publication : 2021 Article en page(s) : p. 36-40 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antiâge Antiâge:Antirides Dermo-cosmétologie Extraits de plantes:Extraits (pharmacie) Peau -- Soins et hygiène Pêche (fruit) et constituants Régénération (biologie) Index. décimale : 668.5 Parfums et cosmétiques Résumé : Prunus persica (peach) is a resin secreted from the bark of rosaceae peaches or mountain peaches. It is a pink or light yellow to yellowish brown translucent solid. The main components of prunus persica (peach) are polysaccharides and proteins. Prunus persica (peach) polysaccharides are mainly composed of galactose and it is composed of arabinose. And also contains a small amount of mannose, rhamnose and glucose which has the effects of beauty and anti-aging. Subjects of different ages and suitable health were selected for clinical evaluation of the instant wrinkle-removing function of Immedeline PG. It is found that both 5% and 10% Immedeline PG can significantly improve the firmness of finger skin. It was found that 10% Immedeline PG can significantly improve the skin elasticity. The improvement effect is most obvious at 2 hrs and can be maintained for 8 hrs. After 5 minus of applying, the eye corner wrinkles were significantly improved. The effect was most obvious in 2 hrs and maintained after 8 hrs. Note de contenu : - MATERIALS AND METHODS : Immedeling PG preparation - Firming evaluation experiments - DATA ANALYSIS - RESULTS : Immedeling PG improves the sin firming - Immedeling PG improves the skin elasticity - Immedeling PG significantly alleviates eye corner wrinkles En ligne : https://drive.google.com/file/d/1N6AY4VYVtYqt6W70dr0qpd-I7ATyA_Yb/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36555 [article]

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The study of a palmitoyl oligopeptide complex : a 3D anti-aging theory / Lu Yi-Na in SOFW JOURNAL, Vol. 147, N° 6 (06/2021)  

[article]  inSOFW JOURNAL > Vol. 147, N° 6 (06/2021) . - p. 32-36 Titre : The study of a palmitoyl oligopeptide complex : a 3D anti-aging theory Type de document : texte imprimé Auteurs : Lu Yi-Na, Auteur ; Zhou Chun-Xia, Auteur ; Yang Ya-Di, Auteur ; Zhang Heng, Auteur ; Tian Jun, Auteur Année de publication : 2021 Article en page(s) : p. 32-36 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antiâge Antiâge:Antirides Cosmétiques Dermo-cosmétologie Peau -- Soins et hygiène Peptides Statistique Index. décimale : 668.5 Parfums et cosmétiques Résumé : Skin is a multifunctional organ but, alongside every other organ system, is subject to both intrinsic and extrinsic aging. Whilst both ageing processes are associated with phenotypic changes in cutaneous cells, the major functional manifestations of ageing occur as a consequence of structural and compositional remodeling of normally long-lived dermal extracellular matrix proteins, flattened dermal-epidermal junction (DEJ), and weaker epidermal function. Many researchers revealed that dermal fibroblast which mainly synthesis the collagen and elastin in dermis, while the epidermal keratinocyte and DEJ are lesser described, especially for peptides. A new palmitoyl oligopeptide complex PTC, which consists of hydrolyzed collagen and oligopeptide, was identified in both keratinocyte and fibroblast, and finally verified in human skin. All data suggest PTC had a 3D theory against skin aging: from epidermal keratinocyte to dermal fibroblast, especially containing the structural proteins of DEJ. Note de contenu : - METHODOLOGY : PTC preparation - Maintenance of cells - Cell proliferation experiments - DEJ proteins ELISA detection - Dermal proteins detection - TGF-β1 ELISA detection - Skin wrinkles evaluation - Statistical analysis - RESULTS AND DISCUSSION : PTC improves the proliferation of NHEK and HDF-a - PTC improves the expression of DEJ proteins - PTC induced the synthesis of collagens and ECM proteins - PTC upregulated TGF-β1 expression - PTC reduced the wrinkles and roughness of human skin En ligne : https://drive.google.com/file/d/1y2i5niHSEdMEDs95I0fBe-Wjgmfrv45m/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35973 [article]

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