\r\n \n
Le pouvoir antioxydant de l\u2019astaxanthine vis-\u00e0-vis de l\u2019oxyg\u00e8ne singulet est 100 fois sup\u00e9rieur \u00e0 celui de la vitamine E et 1000 fois sup\u00e9rieur \u00e0 celui de la vitamine C<\/strong> !<\/p>\n <\/div>\r\n\r\n<\/section>\n\n\nSa structure unique et ses propri\u00e9t\u00e9s lipophiles et hydrophiles lui permettent d\u2019atteindre ais\u00e9ment les cellules de notre organisme. En effet, l\u2019astaxanthine peut traverser la barri\u00e8re h\u00e9mato-enc\u00e9phalique et h\u00e9mato-r\u00e9tinienne et exercer son activit\u00e9 antioxydante. C\u2019est d\u2019ailleurs un actif tr\u00e8s appr\u00e9ci\u00e9 au sein de formulations ax\u00e9es sur la sant\u00e9 visuelle.<\/p>\n\n\n\n
Cependant, un int\u00e9r\u00eat croissant \u00e9merge de l\u2019astaxanthine en tant qu\u2019ingr\u00e9dient beaut\u00e9. Ses propri\u00e9t\u00e9s antioxydantes ont fait leur preuve sur la beaut\u00e9 de la peau et plus pr\u00e9cis\u00e9ment sur la r\u00e9duction des signes de l\u2019\u00e2ge (rides, perte d\u2019\u00e9lasticit\u00e9). Son action b\u00e9n\u00e9fique sur le vieillissement cutan\u00e9 fait d\u2019elle un actif cl\u00e9 de la nutricosm\u00e9tique.<\/p>\n\n\n\n
L\u2019astaxanthine : un actif cl\u00e9 dans la protection contre les UV et le vieillissement cutan\u00e9<\/h2><\/div>\n\n\n\nQuels sont les bienfaits de l\u2019astaxanthine extraite de la microalgue Haematococcus pluvialis<\/em> sur la peau ?<\/h3><\/div>\n\n\n\nL’astaxanthine offre de multiples bienfaits sant\u00e9 pour la peau :<\/p>\n\n\n\n
Protection contre les UV :<\/h4><\/div>\n\n\n\n L’astaxanthine agit comme un bouclier cellulaire, contribuant \u00e0 prot\u00e9ger la peau des dommages caus\u00e9s par les rayons UV. En effet, les UV g\u00e9n\u00e8rent, au niveau de la peau, la production de radicaux libres (esp\u00e8ces r\u00e9actives de l\u2019oxyg\u00e8ne ROS) responsables du vieillissement cellulaire.<\/p>\n\n\n\n
Pr\u00e9vention du vieillissement cutan\u00e9 :<\/h4><\/div>\n\n\n\n L\u2019activit\u00e9 antiradicalaire de l\u2019astaxanthine lui permet de neutraliser l\u2019oxyg\u00e8ne singulet<\/strong>, le principal radical libre produit lors d\u2019une exposition aux UV. Elle aide en ce sens \u00e0 pr\u00e9venir le photovieillissement<\/strong>.<\/p>\n\n\n\nR\u00e9duction des rides :<\/h4><\/div>\n\n\n\n L\u2019astaxanthine contribue \u00e0 pr\u00e9server l\u2019\u00e9lasticit\u00e9 et la fermet\u00e9 de la peau r\u00e9duisant ainsi les rides et les signes de l\u2019\u00e2ge. Elle offre un v\u00e9ritable soutien face aux changements li\u00e9s \u00e0 l\u2019\u00e2ge.<\/p>\n\n\n\n
La nutraceutique offre donc une solution naturelle pour pr\u00e9parer et prot\u00e9ger notre peau \u00e0 l’arriv\u00e9e de l’\u00e9t\u00e9.<\/p>\n\n\n\nComment agit l\u2019astaxanthine sur la beaut\u00e9 de la peau ? Quels sont ses m\u00e9canismes d\u2019action ?<\/h3><\/div>\n\n\n\n L’astaxanthine agit sur la beaut\u00e9 de la peau en suivant plusieurs m\u00e9canismes d’action.<\/p>\n\n\n\n
Premi\u00e8rement, en tant que puissant antioxydant, elle neutralise les radicaux libres, des \u00e9l\u00e9ments nuisibles g\u00e9n\u00e9r\u00e9s notamment par l’exposition aux UV (oxyg\u00e8ne singulet). Ce processus aide \u00e0 prot\u00e9ger la peau contre le stress oxydatif, facteur majeur du vieillissement cutan\u00e9.<\/p>\n\n\n\n
En outre, l’astaxanthine favorise l’\u00e9lasticit\u00e9 de la peau en intervenant \u00e0 plusieurs niveaux. Elle a la capacit\u00e9 de traverser la membrane cellulaire en raison de ses propri\u00e9t\u00e9s lipophiles et hydrophiles.<\/p>\n\n\n\n
\nStimulation de la production de collag\u00e8ne :<\/strong> L\u2019astaxanthine stimule la production de collag\u00e8ne, une prot\u00e9ine essentielle \u00e0 l’\u00e9lasticit\u00e9 de la peau. Elle augmente le taux d’un inhibiteur TIMP-1 des m\u00e9talloprot\u00e9ases matricielles (MMP), contribuant ainsi \u00e0 maintenir l’int\u00e9grit\u00e9 du tissu cutan\u00e9.<\/li>\n\n\n\nProtection contre les dommages oxydatifs :<\/strong> Ce carot\u00e9no\u00efde peut emp\u00eacher les dommages oxydatifs sur les fibroblastes (cellules du derme) et les cellules \u00e9pith\u00e9liales, ce qui est fondamental pour pr\u00e9server l’\u00e9lasticit\u00e9 de la peau.<\/li>\n\n\n\nPr\u00e9vention du vieillissement cutan\u00e9 :<\/strong> En capturant les radicaux libres, l’astaxanthine prot\u00e8ge la peau du vieillissement pr\u00e9matur\u00e9, ce qui favorise une meilleure \u00e9lasticit\u00e9 cutan\u00e9e.<\/li>\n<\/ul>\n\n\n\nQuels sont les r\u00e9sultats d\u2019\u00e9tudes cliniques ?<\/h3><\/div>\n\n\n\n Les bienfaits de l\u2019astaxanthine sur la protection face aux dommages cellulaires li\u00e9s aux UV, sur la pr\u00e9vention du photovieillissement et des signes de l\u2019\u00e2ge (rides, perte d\u2019\u00e9lasticit\u00e9) sont soutenus par de nombreuses \u00e9tudes cliniques.<\/p>\n\n\n\n
Une \u00e9tude clinique, en double-aveugle, men\u00e9e sur 65 femmes \u00e2g\u00e9es de 35 \u00e0 60 ans a d\u00e9montr\u00e9 qu\u2019une suppl\u00e9mentation en astaxanthine sur 4 mois am\u00e9liore l\u2019\u00e9lasticit\u00e9 de la peau (Tominaga et al., 2017). En ce sens, il est crucial d\u2019avoir une suppl\u00e9mentation sur le long terme pour pr\u00e9venir la d\u00e9gradation de la peau face \u00e0 l\u2019exposition solaire et retarder le processus de vieillissement cellulaire. L\u2019\u00e9tude a \u00e9galement montr\u00e9 le maintien de la profondeur des rides chez le groupe suppl\u00e9ment\u00e9 apr\u00e8s une exposition solaire. A contrario, la profondeur des rides du groupe plac\u00e9bo a augment\u00e9. Une suppl\u00e9mentation en astaxanthine (6 mg par jour) pr\u00e9serve ainsi la peau du photovieillissement (Tominaga et al., 2017).<\/p>\n\n\n\n
Une autre \u00e9tude clinique souligne l\u2019effet b\u00e9n\u00e9fique d\u2019une suppl\u00e9mentation en astaxanthine sur les rides et l\u2019\u00e9lasticit\u00e9 de la peau sur 6 semaines pour une dose journali\u00e8re de 6 mg (Davinelli, Nielsen, et Scapagnini, 2018).<\/p>\n\n\n\n
Une \u00e9tude, en double-aveugle, men\u00e9e sur 44 femmes, montre une diminution des niveaux en m\u00e9talloprot\u00e9ases matricielles (MMP-1 et MMP-2) pour une dose de 2 mg par jour en astaxanthine (Yoon et al., 2014). Les MMP sont responsables de la d\u00e9gradation des prot\u00e9ines de la matrice extracellulaire (collag\u00e8ne et \u00e9lastine notamment) et induisent ainsi la formation des rides.<\/p>\n\n\n\n
L’astaxanthine est un actif cl\u00e9 pour la beaut\u00e9 de la peau en raison de son action b\u00e9n\u00e9fique sur le maintien de l\u2019int\u00e9grit\u00e9 de la barri\u00e8re cutan\u00e9e (Chalyk et al., 2017) .<\/p>\n\n\n\n
Conclusion et avis Nutrixeal<\/h2><\/div>\n\n\n\n Vous l\u2019aurez compris, \u00e0 l\u2019approche de l\u2019\u00e9t\u00e9 il est important de pr\u00e9parer sa peau \u00e0 l\u2019exposition solaire. Ne n\u00e9gligez pas les gestes simples de protection (cr\u00e8me solaire, hydratation et \u00e9viter les expositions prolong\u00e9es aux heures les plus chaudes).<\/p>\n\n\n\r\n\r\n\r\n \r\n
\r\n \r\n \r\n \r\n \r\n \r\n <\/svg>\r\n <\/span>\r\n\r\n \r\n Bon \u00e0 savoir <\/p>\r\n <\/div>\r\n\r\n
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Bien que l\u2019astaxanthine prot\u00e8ge la peau des dommages cellulaires caus\u00e9s par une exposition aux rayons UV et pr\u00e9vient du vieillissement cutan\u00e9, elle ne remplace pas les cr\u00e8mes solaires. Veillez donc \u00e0 continuer d\u2019utiliser une protection solaire adapt\u00e9e \u00e0 votre type de peau.<\/p>\n <\/div>\r\n\r\n<\/section>\n\n\n
L’astaxanthine est une alli\u00e9e pr\u00e9cieuse durant la p\u00e9riode estivale en raison de son activit\u00e9 antioxydante. Elle peut aider \u00e0 prot\u00e9ger votre peau contre les dommages caus\u00e9s par les rayons UV. Elle peut \u00e9galement contribuer \u00e0 renforcer la beaut\u00e9 de votre peau en am\u00e9liorant son \u00e9lasticit\u00e9. Elle stimule la production de collag\u00e8ne, essentiel \u00e0 la structure et la souplesse de la peau, et pr\u00e9serve du vieillissement cutan\u00e9 (action anti-rides). C\u2019est l\u2019indispensable de l\u2019\u00e9t\u00e9 \u00e0 ne pas oublier dans vos valises !<\/p>\n\n\n\n
Le produit phare Nutrixeal : Vitaxanthine\u00ae BIO 8 mg hautement dos\u00e9 en astaxanthine v\u00e9g\u00e9tale extraite de de la microalgue Haematoccus pluvialis par extraction au CO2 supercritique . Une g\u00e9lule apporte 8 mg d\u2019astaxanthine, soit une dose sup\u00e9rieure aux 6 mg utilis\u00e9s dans les \u00e9tudes cliniques sur la beaut\u00e9 de la peau.<\/p>\n\n\n\n
Pour les personnes ayant des difficult\u00e9s \u00e0 avaler les g\u00e9lules, le laboratoire Nutrixeal propose une alternative sous forme de gummies (Vitaxanthine\u00ae Gummies). Un gummy apporte 4 mg d\u2019astaxanthine.<\/p>\n\n\n\n
Enfin, le laboratoire Nutrixeal dans son complexe vision, emploie \u00e9galement de l\u2019astaxanthine Visioxanthine\u00ae, qui contribue \u00e0 pr\u00e9server la sant\u00e9 des yeux.<\/p>\n\n\n\n
R\u00e9f\u00e9rences<\/h2><\/div>\n\n\n\n\nChalyk, Natalya E., Viktor A. Klochkov, Tatiana Y. Bandaletova, Nigel H. Kyle, et Ivan M. Petyaev. 2017. Nutrition Research 48 (d\u00e9cembre):40\u201148<\/em><\/li>\n\n\n\nDavinelli, Sergio, Michael E. Nielsen, et Giovanni Scapagnini. 2018. Nutrients 10 (4). Tominaga, Kumi, Nobuko Hongo, Mayuko Fujishita, Yu Takahashi, et Yuki Adachi. 2017. Journal of Clinical Biochemistry and Nutrition 61 (1): 33\u201139.<\/em><\/li>\n\n\n\nYoon, Hyun-Sun, Hyun Cho, Soyun Cho, Se-Rah Lee, Mi-Hee Shin, et Jin Chung. 2014. Journal of medicinal food 17 (juin).<\/em><\/li>\n<\/ol>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"Pour faire rimer teint h\u00e2l\u00e9 avec peau prot\u00e9g\u00e9e, il est crucial de renforcer ses d\u00e9fenses antioxydantes. L’astaxanthine est une alli\u00e9e pr\u00e9cieuse durant l’\u00e9t\u00e9.<\/p>\n","protected":false},"author":3,"featured_media":1043,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","nutrixeal_featured":true,"nutrixeal_most_read":false,"footnotes":""},"categories":[44],"tags":[],"class_list":["post-803","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-astaxanthine"],"yoast_head":"\n
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