{"id":8255,"date":"2024-08-11T21:05:50","date_gmt":"2024-08-11T21:05:50","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8255"},"modified":"2024-08-11T21:05:50","modified_gmt":"2024-08-11T21:05:50","slug":"pu-erh-large-leaf-tea","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/pu-erh-large-leaf-tea\/","title":{"rendered":"Aktive stoffer i Pu erh-te med store blade, der stimulerer melatoninreceptorer"},"content":{"rendered":"<p>Aktive stoffer i Pu erh-te med store blade, der stimulerer melatoninreceptorer<br \/>\nDepression, angst og s\u00f8vnforstyrrelser er almindelige sygdomme i centralnervesystemet, og moderne farmakologisk forskning tyder p\u00e5, at deres opst\u00e5en er relateret til et fald i niveauerne af neurotransmittere som melatonin (MT) og serotonin samt et fald i receptorfunktionen. Derfor anvendes receptormodeller for disse neurotransmittere ofte i udviklingen af antipsykotiske l\u00e6gemidler, blandt hvilke MT1-receptoragonister som circadin, ramelteon, agomelatin osv. er blevet anvendt klinisk til behandling af sygdomme i centralnervesystemet som f.eks. depression.<br \/>\nTe fremstilles af de sp\u00e6de blade eller knopper fra Camellia-planter i familien Theaceae og har en lang historie med medicinsk og spiselig anvendelse. Moderne farmakologisk forskning har vist, at te har mange farmakologiske aktiviteter som f.eks. stimulering af centralnervesystemet, diurese, antioxidant, antiviral og blodtrykss\u00e6nkende. Te-polyphenoler betragtes generelt som det materielle grundlag for te-aktivitet. Det materielle grundlag for teens antipsykotiske aktivitet er dog ikke helt klart, og der er kun f\u00e5 rapporter om teens virkning p\u00e5 melatoninreceptorens funktion.<\/p>\n<p>For yderligere at belyse det materielle grundlag for tebladenes antipsykotiske aktivitet fandt denne unders\u00f8gelse, at ethylacetatdelen af frisk bladekstrakt fra Puer-te (Camellia sinensis) havde en betydelig stimulerende effekt p\u00e5 melatoninreceptorer. Baseret p\u00e5 testmodellen for melatoninreceptorstimulerende aktivitet blev der under vejledning af aktivitetssporing anvendt silikagels\u00f8jlekromatografi og h\u00f8jtydende v\u00e6skekromatografi til at spore og adskille de aktive dele af tebladene. Calciumflowdetektionsmetoden blev brugt til at teste den stimulerende effekt af de isolerede forbindelser p\u00e5 melatoninreceptorer p\u00e5 HEK293-cellemodeller for at give et mere teoretisk grundlag for den videre udvikling og udnyttelse af teblade og forskning og udvikling af nye antipsykotiske l\u00e6gemidler.<\/p>\n<p>&nbsp;<\/p>\n<p>Moderne farmakologisk forskning har vist, at melatonins receptorfunktion er t\u00e6t forbundet med udbrud og behandling af psykiske sygdomme som depression og angst; Te har farmakologisk aktivitet, der ophidser centralnervesystemet, men dets aktive stofgrundlag er ikke s\u00e6rlig klart. For yderligere at belyse det materielle grundlag for teens antipsykotiske aktivitet brugte denne unders\u00f8gelse derfor melatoninreceptorens MTT-assay til at teste modellen. Under vejledning af aktivitetssporing blev 9 polyfenoliske forbindelser isoleret fra de aktive dele af Pu'er-te med store blade. Deres kemiske strukturer blev identificeret ved hj\u00e6lp af HR-ESI-MS og NMR-analyse og sammenlignet med litteraturdata. Forbindelse 1 og 2 er de f\u00f8rste opdagede flavonolpyran-derivater fra Camellia-sl\u00e6gten, hvilket beriger den kemiske information om teblade.<\/p>\n<p>Aktivitetstestresultaterne viste, at alle 9 forbindelser, der blev opn\u00e5et i denne unders\u00f8gelse, har visse stimulerende virkninger p\u00e5 melatonin MT1-receptoren, og den stimulerende virkning p\u00e5 melatonin MT1-receptoren er generelt h\u00f8jere end den tilsvarende stimulerende virkning p\u00e5 melatonin MT2-receptoren. S\u00e6rligt bem\u00e6rkelsesv\u00e6rdigt er det h\u00f8je indhold af forbindelsen (-) - catechin (3), som er en af de vigtigste komponenter i te, og som har en h\u00f8j stimulerende aktivitet p\u00e5 b\u00e5de melatonin MT1- og MT2-receptorer. Det er sandsynligvis det vigtigste aktive stof i te, der regulerer MT-receptorer og ud\u00f8ver antipsykotisk aktivitet. Dets virkningsmekanisme b\u00f8r unders\u00f8ges n\u00e6rmere.<\/p>","protected":false},"excerpt":{"rendered":"<p>Active compounds in Pu erh large leaf tea that stimulate melatonin receptors Depression, anxiety, and sleep disorders are common central nervous system diseases, and modern pharmacological research suggests that their onset is related to a decrease in the levels of neurotransmitters such as melatonin (MT) and serotonin, as well as a decline in receptor function. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Active compounds in Pu erh large leaf tea that stimulate melatonin receptors - 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\/da\/pu-erh-te-med-store-blade\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Active compounds in Pu erh large leaf tea that stimulate melatonin receptors - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Active compounds in Pu erh large leaf tea that stimulate melatonin receptors Depression, anxiety, and sleep disorders are common central nervous system diseases, and modern pharmacological research suggests that their onset is related to a decrease in the levels of neurotransmitters such as melatonin (MT) and serotonin, as well as a decline in receptor function. 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