{"id":8121,"date":"2024-08-11T19:25:21","date_gmt":"2024-08-11T19:25:21","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8121"},"modified":"2024-08-11T19:25:21","modified_gmt":"2024-08-11T19:25:21","slug":"gouteng","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/gouteng\/","title":{"rendered":"Unders\u00f8gelse af sekund\u00e6re metabolitter fra Talaromyces sp., en endofytisk svamp i GoutengUnders\u00f8gelse af sekund\u00e6re metabolitter fra Talaromyces sp., en endofytisk svamp i Gouteng"},"content":{"rendered":"<p>Unders\u00f8gelse af sekund\u00e6re metabolitter fra Talaromyces sp., en endofytisk svamp i Gouteng<br \/>\nUncaria rhynchhophylla (Miq.) Miq Ex Havil. er en tornet plante, der h\u00f8rer til Gentianaceae-ordenen i Rubiaceae-familien. Den er opkaldt efter de nedadg\u00e5ende enkelt- eller dobbeltkroge p\u00e5 dens knuder og bruges ofte som medicin med t\u00f8rre krogede st\u00e6ngler og grene. Gouteng-planter har den virkning, at de fjerner varme og beroliger leveren, dulmer vinden og beroliger nerverne. Moderne farmakologi har vist, at planter af Gouteng-sl\u00e6gten er effektive til behandling af hjerte-kar-sygdomme og sygdomme i centralnervesystemet, og de har ogs\u00e5 vist gode resultater i kr\u00e6ftbehandling.<\/p>\n<p>Endofytiske svampe i planter danner et stabilt symbiotisk forhold til deres v\u00e6rtsplanter gennem langvarig co-evolution. P\u00e5 den ene side kan endofytiske svampe absorbere n\u00e6ringsstoffer fra v\u00e6rtsplanter til deres egen v\u00e6kst; p\u00e5 den anden side kan endofytiske svampe have en positiv indvirkning p\u00e5 v\u00e6rtsplanter gennem deres egne sekund\u00e6re metabolitter eller gennem signaltransduktion. I de senere \u00e5r har et stort antal litteraturrapporter isoleret en r\u00e6kke bioaktive monomere forbindelser fra de sekund\u00e6re metabolitter af endofytiske svampe. Udvinding af naturlige produkter gennem svampemetabolisme har betydelige fordele med hensyn til udbytte, \u00f8konomi og milj\u00f8beskyttelse.<\/p>\n<p>Talaromyces sp. 1.88E h\u00f8rer til sl\u00e6gten Talaromyces-svampe. Litteraturrapporter har isoleret mange nye skeletstrukturer fra metabolitterne fra Talaromyces sp., som er forbindelser med betydelige antiinflammatoriske, antitumor- og antibakterielle aktiviteter. Denne unders\u00f8gelse fokuserer p\u00e5 den endofytiske svamp Talaromyces sp.1.88E, der er isoleret fra Gouteng, og bruger risdyrkningsmedium til fermentering for at isolere monomere forbindelser med god biologisk aktivitet fra dens fermenteringsprodukter. Dette er af stor betydning for screening af nye l\u00e6gemidler og udvikling af nye farmaceutiske ressourcer.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>I dette eksperiment blev forskellige kromatografiske metoder brugt til at isolere 8 forbindelser fra fermenteringsprodukterne fra den endofytiske svamp Talaromycessp.1.88E i Gouteng. Blandt dem er forbindelse 1 en ny forbindelse, og forbindelse 2 er de f\u00f8rste rapporterede NMR-data. Vi udf\u00f8rte test af antiinflammatorisk aktivitet og alfa-glucosidaseaktivitet p\u00e5 forbindelserne 1-8, og kun forbindelserne 2 og 6 viste h\u00e6mmende virkninger p\u00e5 alfa-glucosidaseaktivitet. Forbindelserne 5 til 8 er alle forbindelser i mykorrhizaklassen, og de sm\u00e5 forskelle i substituenter i mykorrhizablandinger har en betydelig indvirkning p\u00e5 deres aktivitet. Kun forbindelse 6 udviser en svag h\u00e6mmende effekt p\u00e5 alfa-glucosidase. Den eneste forskel mellem forbindelse 6 og forbindelse 7 er, at OH i position 5 i A-ringen \u00e6ndres til OCH3, mens OH i position 5 i A-ringen i forbindelse 5 og 8 ogs\u00e5 er OCH3, hvilket indikerer, at OH i denne position kan spille en afg\u00f8rende rolle i alfa-glucosidaseaktiviteten. Sammenfattende l\u00e6gger denne unders\u00f8gelse grunden til yderligere at udforske de aktive ingredienser i fermenteringsprodukterne fra endofytiske svampe i Gouteng. Ved at teste den h\u00e6mmende effekt af isolerede monomere forbindelser p\u00e5 LPS-induceret NO-produktion og \u03b1-glucosidaseaktivitet i RAW 264.7-celler udforskes struktur-aktivitetsforholdet mellem forbindelserne, hvilket giver en vis referencebetydning for udviklingen af naturlige aktive forbindelser.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on Secondary Metabolites of Talaromyces sp., an Endophytic Fungus in Gouteng Uncaria rhynchhophylla (Miq.) Miq Ex Havil. is a thorny plant belonging to the Gentianaceae order of the Rubiaceae family. It is named after the downward single or double hooks on its nodes, and is often used as medicine with dry hooked stems and [&hellip;]<\/p>","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>Study on Secondary Metabolites of Talaromyces sp., an Endophytic Fungus in GoutengStudy on Secondary Metabolites of Talaromyces sp., an Endophytic Fungus in Gouteng - 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\/gouteng\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on Secondary Metabolites of Talaromyces sp., an Endophytic Fungus in GoutengStudy on Secondary Metabolites of Talaromyces sp., an Endophytic Fungus in Gouteng - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on Secondary Metabolites of Talaromyces sp., an Endophytic Fungus in Gouteng Uncaria rhynchhophylla (Miq.) 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Miq Ex Havil. is a thorny plant belonging to the Gentianaceae order of the Rubiaceae family. 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