{"id":10109,"date":"2024-10-04T16:55:13","date_gmt":"2024-10-04T16:55:13","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=10109"},"modified":"2024-10-04T16:55:13","modified_gmt":"2024-10-04T16:55:13","slug":"phytoglycogen","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/phytoglycogen\/","title":{"rendered":"Comment la charge en phytoglycog\u00e8ne am\u00e9liore-t-elle la solubilit\u00e9 de la curcumine ?"},"content":{"rendered":"<h1>Comment la charge en phytoglycog\u00e8ne am\u00e9liore-t-elle la solubilit\u00e9 de la curcumine ?<\/h1>\n<p>Curcumine<\/p>\n<p>La curcumine (CCM) est un compos\u00e9 polyph\u00e9nolique extrait de plantes de curcuma telles que Curcuma longa, Curcuma longa, Ulmoides, etc. Il s'agit d'un pigment naturel jaune comestible dont l'utilisation est autoris\u00e9e \u00e0 la fois dans le pays et \u00e0 l'\u00e9tranger.<br \/>\nPar ailleurs, la CCM poss\u00e8de diverses activit\u00e9s physiologiques et pharmacologiques, telles que des effets antibact\u00e9riens, antitumoraux, anti-virus de l'immunod\u00e9ficience humaine, antifibrotiques, etc. Elle est r\u00e9sistante \u00e0 la chaleur et s\u00fbre (pas d'effets secondaires toxiques \u00e9vidents sur le corps humain \u00e0 la dose de 12 g\/j).<br \/>\nCependant, la solubilit\u00e9 dans l'eau de la CCM est tr\u00e8s faible (11 ng\/mL, 25\u00b0C), ce qui entra\u00eene une mauvaise absorption et une faible biodisponibilit\u00e9 dans l'organisme, et son application dans les domaines connexes tels que l'alimentation et la m\u00e9decine avec une matrice soluble dans l'eau est donc fortement limit\u00e9e. Par cons\u00e9quent, l'am\u00e9lioration de la solubilit\u00e9 dans l'eau de la CCM est la cl\u00e9 du d\u00e9veloppement de son potentiel d'application.<br \/>\nActuellement, les m\u00e9thodes visant \u00e0 am\u00e9liorer la solubilit\u00e9 de la CCM comprennent une vari\u00e9t\u00e9 de techniques ou de syst\u00e8mes bas\u00e9s sur les liposomes, les micelles, les nano\u00e9mulsions, les dispersions solides amorphes, la modification chimique de la CCM et la formation de complexes, avec des mat\u00e9riaux porteurs qui comprennent des polym\u00e8res naturels (hydrates de carbone, prot\u00e9ines et graisses) ainsi que des polym\u00e8res synth\u00e9tiques.<br \/>\nToutefois, la plupart des m\u00e9thodes susmentionn\u00e9es ne sont pas facilement applicables aux produits alimentaires, par exemple parce qu'un grand nombre de surfactants sont n\u00e9cessaires pour la pr\u00e9paration des liposomes, que la plupart des polym\u00e8res naturels doivent \u00eatre modifi\u00e9s et que les polym\u00e8res synth\u00e9tiques sont g\u00e9n\u00e9ralement peu biocompatibles. Le processus de pr\u00e9paration est \u00e9galement compliqu\u00e9 et le co\u00fbt \u00e9lev\u00e9.<br \/>\nPhytoglycog\u00e8ne<br \/>\nLe phytoglycog\u00e8ne (PG) est un \u03b1-D-glucane soluble hautement ramifi\u00e9, li\u00e9 par des liaisons glycosidiques \u03b1-1,4 et \u03b1-1,6. En raison de la courte longueur moyenne de la cha\u00eene, du degr\u00e9 \u00e9lev\u00e9 de ramification et des caract\u00e9ristiques structurelles telles que le mod\u00e8le de ramification dendritique externe serr\u00e9 et interne l\u00e2che, et de la petite taille des particules, un grand nombre de r\u00e9sidus de glucose sont pr\u00e9sents \u00e0 la surface de la mol\u00e9cule, et elle est soluble dans l'eau froide en raison de la formation de liaisons hydrog\u00e8ne avec les mol\u00e9cules d'eau. Elle peut former des liaisons hydrog\u00e8ne avec les mol\u00e9cules d'eau et est facilement soluble dans l'eau froide.<br \/>\nDes \u00e9tudes ont montr\u00e9 que le PG ne contient pas de structure en grappe, mais forme une structure sph\u00e9rique avec des branches plus nombreuses et plus courtes et une structure plus serr\u00e9e que l'amidon ramifi\u00e9, ce qui en fait une nanoparticule naturelle.<br \/>\nChen et al. ont charg\u00e9 la lut\u00e9ine et la querc\u00e9tine avec du PG et ont augment\u00e9 de mani\u00e8re significative la solubilit\u00e9 apparente de la lut\u00e9ine (0,56 \u03bcg\/mL a augment\u00e9 \u00e0 130,65 \u03bcg\/mL) et la solubilit\u00e9 de la querc\u00e9tine (4,32 \u03bcg\/mL a augment\u00e9 \u00e0 241,76 \u03bcg\/mL). Dans cette \u00e9tude, sur la base des caract\u00e9ristiques que le PG est facile \u00e0 disperser et \u00e0 dissoudre dans l'eau froide et a une bonne stabilit\u00e9 de dispersion, une certaine quantit\u00e9 de solution d'\u00e9thanol de CCM avec une concentration \u00e9lev\u00e9e a \u00e9t\u00e9 ajout\u00e9e \u00e0 une certaine concentration de solution aqueuse de PG en utilisant le PG comme support, ce qui a rendu le syst\u00e8me sursatur\u00e9 en CCM.<br \/>\nCertaines des mol\u00e9cules libres de CCM ont interagi avec le PG pour former un complexe phytoglycog\u00e8ne-curcumine (PG-CCM), ce qui a am\u00e9lior\u00e9 la solubilit\u00e9 apparente du CCM.<br \/>\nConclusion.<\/p>\n<p>Le PG est un nouveau vecteur de nanoparticules qui charge la CCM de mani\u00e8re auto-assembl\u00e9e pour former des nanoparticules complexes PG-CCM. La m\u00e9thode de chargement est simple et facile, sans aucun additif, et la solubilit\u00e9 apparente du CCM peut \u00eatre multipli\u00e9e par 2700 apr\u00e8s le chargement.<br \/>\nLe PG et la CCM peuvent interagir par liaison hydrog\u00e8ne intermol\u00e9culaire, et il n'y a pas de changement significatif dans la taille des particules du PG charg\u00e9 de CCM, avec une taille moyenne de 70-75 nm, dans laquelle la CCM existe \u00e0 l'\u00e9tat amorphe et non cristallin dans les complexes PG-CCM, et la liaison hydrog\u00e8ne est la principale force d'interaction entre la CCM et le PG porteur, et la CCM est d\u00e9plac\u00e9e du microenvironnement de plus grande polarit\u00e9 vers la r\u00e9gion de plus petite polarit\u00e9 dans laquelle le PG interagit.<br \/>\nNos r\u00e9sultats sugg\u00e8rent que le PG est un transporteur efficace qui peut augmenter de mani\u00e8re significative la solubilit\u00e9 apparente de la CCM. Le complexe PG-CCM est simple \u00e0 pr\u00e9parer et devrait \u00eatre incorpor\u00e9 dans des aliments fonctionnels pour promouvoir les effets pharmacologiques de la CCM.<\/p>","protected":false},"excerpt":{"rendered":"<p>How does phytoglycogen loading improve curcumin solubility? Curcumin Curcumin (CCM) is a polyphenolic compound extracted from turmeric plants such as Curcuma longa, Curcuma longa, Ulmoides, etc. It is a natural edible yellow pigment allowed to be used both at home and abroad. Meanwhile, CCM has various physiological and pharmacological activities, such as antibacterial, antitumor, anti-human [&hellip;]<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How does phytoglycogen loading improve curcumin solubility? - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/fr\/phytoglycogen\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How does phytoglycogen loading improve curcumin solubility? - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"How does phytoglycogen loading improve curcumin solubility? Curcumin Curcumin (CCM) is a polyphenolic compound extracted from turmeric plants such as Curcuma longa, Curcuma longa, Ulmoides, etc. It is a natural edible yellow pigment allowed to be used both at home and abroad. 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