{"id":8731,"date":"2024-08-14T19:41:29","date_gmt":"2024-08-14T19:41:29","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8731"},"modified":"2024-08-14T19:41:29","modified_gmt":"2024-08-14T19:41:29","slug":"chrysanthemum-like-senecio","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/chrysanthemum-like-senecio\/","title":{"rendered":"Forskning i de kemiske komponenter og den svampedr\u00e6bende aktivitet af chrysanthemum som Senecio"},"content":{"rendered":"<p>Forskning i de kemiske komponenter og den svampedr\u00e6bende aktivitet af chrysanthemum som Senecio<br \/>\nSenecio laetus Edgew. er en fler\u00e5rig urt af Senecio laetus Edgew, Compositae, er hovedsageligt udbredt i Chongqing, Xizang, Hubei, Yungui og andre steder i en h\u00f8jde af 1100 ~ 3750 m. P\u00e5 grund af dens funktioner med at fremme blodcirkulationen, reducere h\u00e6velse, fordrive vind og fjerne fugt har krysantemumformet Qianli Guang l\u00e6nge v\u00e6ret almindeligt anvendt i folkemedicin til behandling af sygdomme som hepatitis, traumatiske skader, h\u00e6velse og smerte for\u00e5rsaget af blodstasis, brystbyld og bylder. I de senere \u00e5r har farmakologiske unders\u00f8gelser ogs\u00e5 vist, at den krysantemumformede Qianguang har forskellige biologiske aktiviteter som f.eks. antibakterielle, antivirale, antitumor- og antioxidantegenskaber. Planterne i Senecio-sl\u00e6gten har masser af sekund\u00e6re metabolitter, herunder alkaloider, flavonoider, terpener, fenoliske syrer og coumariner. Hovedkomponenterne er pyrrolizidinalkaloider (PA'er) og sesquiterpener, hvoraf de fleste sesquiterpener har antiinflammatoriske, antibakterielle, antituberkulose- og antisvampeinfektionsaktiviteter, mens pyrrolizidinalkaloider ofte har hepatotoksicitet. En unders\u00f8gelse af den kemiske sammens\u00e6tning blev udf\u00f8rt p\u00e5 hele planten af Senecio krysantemum, og 27 forbindelser blev isoleret, herunder 3 alkaloider, 4 steroler, 5 fenoliske syrer, 9 flavonoider og 4 organiske syreforbindelser. P\u00e5 nuv\u00e6rende tidspunkt er der kun f\u00e5 rapporter om den kemiske sammens\u00e6tning af denne type planter. Forskningen i Chrysanthemum morifoliums aktivitet fokuserer hovedsageligt p\u00e5 de flygtige oliekomponenter og funktionel evaluering, og der er relativt lidt forskning i alkaloiderne og andre aktive ingredienser, der kan have hepatotoksicitet. For yderligere at belyse den kemiske sammens\u00e6tning af den krysantemumformede Senecio og klarl\u00e6gge dens aktive og giftige komponenter gennemf\u00f8rte vi en unders\u00f8gelse af den kemiske sammens\u00e6tning af krysantemumformede Senecio-planter indsamlet fra Dehong-pr\u00e6fekturet i Yunnan-provinsen. Derudover evaluerede vi ogs\u00e5 den svampedr\u00e6bende aktivitet og hepatotoksiciteten af nogle forbindelser for at tilvejebringe et videnskabeligt grundlag for en rationel og sikker udvikling og udnyttelse af de medicinske ressourcer i den krysantemumlignende plante.<\/p>\n<p>I de senere \u00e5r er antallet af alvorlige svampeinfektioner i klinisk praksis fortsat med at stige p\u00e5 grund af stigningen i forekomsten af kr\u00e6ft, stigningen i tumorpatienter og anvendelsen af str\u00e5lebehandling, kemoterapi, immunosuppressive l\u00e6gemidler og andre behandlingsmetoder. Blandt de globale tilf\u00e6lde af candidainfektion er Candida albicans en af de vigtigste infektionspatogener. Fluconazol, som er et f\u00f8rsteklasses svampemiddel, har en betydelig effekt p\u00e5 behandlingen af f\u00f8lsomme bakterier af Candida albicans. Men med den udbredte fremkomst af svamperesistens er behandlingen blevet stadig vanskeligere. Derfor er en af de effektive metoder til bek\u00e6mpelse af l\u00e6gemiddelresistente svampeinfektioner at finde l\u00e6gemidler, der kan bruges i kombination med eksisterende svampemidler for at ud\u00f8ve synergistiske antifungale virkninger. Vi gennemf\u00f8rte test af svampeaktivitet og GC-MS-analyse af den kemiske sammens\u00e6tning af den \u00e6teriske olie fra den autentiske l\u00e6geurt Senecio chrysanthemums fra Yunnan og fandt ud af, at den har en fremragende synergistisk antibakteriel aktivitet. Der blev udf\u00f8rt yderligere systematiske unders\u00f8gelser af nogle forbindelser og deres antifungale aktiviteter opn\u00e5et fra ethanolekstraktet af hele planten Chrysanthemum morifolium. Resultaterne viste, at to alkaloider og to steroider udviste fremragende synergistiske antibakterielle virkninger, n\u00e5r de blev kombineret med fluconazol.<br \/>\nDer findes mere end 160 arter af kinesisk urtemedicin i sl\u00e6gten Seneca i Kina, herunder mere end 10 medicinske sorter. Allerede for over tusind \u00e5r siden skrev \"Compendium of Materia Medica\", at Seneca er \"bitter, mild og let giftig\". Indtil videre har en del indenlandsk og udenlandsk litteratur registreret, at Seneca kan indeholde forskellige grader af pyrrolizidinalkaloider (PA), som menes at have visse toksiske virkninger p\u00e5 menneskelige og animalske organer, is\u00e6r p\u00e5 leverv\u00e6v, og som kan for\u00e5rsage h\u00e6moragisk nekrose af leverceller, k\u00e6mpecellesygdom og ven\u00f8s okklusion. Vores unders\u00f8gelse isolerede to pyrrolizidinalkaloider fra hele planten af Quercus chrysanthemums, men disse to forbindelser viste ikke toksicitet over for normale leverceller, og der har ikke v\u00e6ret nogen rapporter om hepatotoksiciteten af dette pyrrolizidinalkaloid. Men som en almindeligt anvendt l\u00e6geurt i Yunnan skal sikkerheden ved Quercus chrysanthemums stadig evalueres yderligere med hensyn til toksicitet for dens friske, t\u00f8rre, forskellige medicinske dele og forskellige indgivelsesmetoder.<\/p>","protected":false},"excerpt":{"rendered":"<p>Research on the Chemical Components and Antifungal Activity of Chrysanthemum like Senecio Senecio laetus Edgew., a perennial herb of Senecio laetus Edgew., Compositae, is mainly distributed in Chongqing, Xizang, Hubei, Yungui and other places at an altitude of 1100~3750 m. Due to its functions of promoting blood circulation, reducing swelling, dispelling wind, and removing dampness, [&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>Research on the Chemical Components and Antifungal Activity of Chrysanthemum like Senecio - 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\/krysantemum-som-senecio\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research on the Chemical Components and Antifungal Activity of Chrysanthemum like Senecio - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Research on the Chemical Components and Antifungal Activity of Chrysanthemum like Senecio Senecio laetus Edgew., a perennial herb of Senecio laetus Edgew., Compositae, is mainly distributed in Chongqing, Xizang, Hubei, Yungui and other places at an altitude of 1100~3750 m. 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