{"id":3640,"date":"2024-08-02T15:46:58","date_gmt":"2024-08-02T15:46:58","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=3640"},"modified":"2024-08-02T15:46:58","modified_gmt":"2024-08-02T15:46:58","slug":"a-new-gibberellin-type-sesquiterpene-in-wild-chrysanthemums","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/a-new-gibberellin-type-sesquiterpene-in-wild-chrysanthemums\/","title":{"rendered":"En ny sesquiterpen af gibberellintypen i vilde krysantemum"},"content":{"rendered":"<p>En ny sesquiterpen af gibberellintypen i vilde krysantemum<br \/>\nChrysanthemum indicum L. er en fler\u00e5rig urteagtig plante i Asteraceae- og Chrysanthemum-sl\u00e6gterne, ogs\u00e5 kendt som malariagr\u00e6s, coixfr\u00f8 og vejsidegul. Den er udbredt i Nord\u00f8st-, Nord-, Central-, Syd- og Sydvestkina samt i Indien, Japan, Nordkorea og Rusland. Hele planten af vild krysantemum bruges som medicin med en bitter smag og en skarp og k\u00f8lig natur. Den virker varmeudrensende og afgiftende, spreder vind og varme samt opl\u00f8ser blodstase, forbedrer synet og s\u00e6nker blodtrykket. Desuden viser moderne farmakologisk forskning, at vild krysantemum kan bruges til at forebygge og behandle epidemisk cerebrospinal meningitis, forebygge influenza og behandle hypertension, hepatitis, dysenteri, karbunkel og furunkel. Infusion af vild krysantemum er ogs\u00e5 meget effektiv til at dr\u00e6be larver og maddiker. Vild krysantemum, som er en typisk traditionel kinesisk medicin, har en lang historie med medicinsk brug, der g\u00e5r tilbage til Qin- og Han-dynastierne. Den er kendt som \"Jiehua\" i \"Shennong Bencao Jing\". I gamle dage blev den brugt til at behandle hovedpine, svimmelhed, h\u00e6velser, \u00f8jensmerter, bl\u00e5 m\u00e6rker, forstuvninger, slangebid, tusindbensbid, rhinitis, difteri, kolera, malaria osv. Moderne forskning har vist, at vilde krysantemum indeholder kemiske komponenter som flavonoider, polysaccharider, terpener og flygtige olier, som har antibakterielle, antiinflammatoriske, hepatobeskyttende, antioxidante og immunregulerende virkninger. De bruges ofte til at behandle forskellige inflammationer, forh\u00f8jet blodtryk og luftvejssygdomme. Vild krysantemum bruges ofte i klinisk praksis mod fork\u00f8lelse og luftvejsinfektioner og har visse terapeutiske virkninger p\u00e5 immunsygdomme som f.eks. reumatoid arthritis.<\/p>\n<p>Den traditionelle effekt af vilde krysantemum og den pr\u00e6cise terapeutiske effekt af moderne markedsf\u00f8rte produkter indikerer, at vilde krysantemum har en god effekt p\u00e5 inflammationsrelaterede sygdomme. Og i litteraturrapporterne om vilde krysantemum blev det konstateret, at ekstrakterne af vilde krysantemum har god antiinflammatorisk aktivitet. For yderligere at studere den kemiske sammens\u00e6tning og antiinflammatoriske farmakologiske aktivitet af vilde krysantemum har denne artikel derfor ekstraheret og isoleret de kemiske komponenter i dichlormethan-delen af vilde krysantemum og lagt et fundament for bedre at forst\u00e5 den kemiske sammens\u00e6tning af denne traditionelle kinesiske medicin og opdage forbindelser med god antiinflammatorisk aktivitet.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3641\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/\u5fae\u4fe1\u56fe\u7247_20240802234523.png\" alt=\"\" width=\"585\" height=\"661\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3642\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/\u5fae\u4fe1\u56fe\u7247_20240802234532.jpg\" alt=\"\" width=\"455\" height=\"220\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3643\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/\u5fae\u4fe1\u56fe\u7247_20240802234535.png\" alt=\"\" width=\"585\" height=\"306\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3644\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/\u5fae\u4fe1\u56fe\u7247_20240802234537.png\" alt=\"\" width=\"585\" height=\"422\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3645\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/\u5fae\u4fe1\u56fe\u7247_20240802234540.png\" alt=\"\" width=\"492\" height=\"300\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3646\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/\u5fae\u4fe1\u56fe\u7247_20240802234544.png\" alt=\"\" width=\"585\" height=\"487\" \/>Under forskningen blev de kemiske bestanddele af indsamlede vilde krysantemum unders\u00f8gt ved kold ekstraktion med dichlormethan og separations- og oprensningsmetoder som MCI-kolonnekromatografi, ODS-kolonnekromatografi, Sepha dex LH-20 gel-kolonnekromatografi og pr\u00e6parativ h\u00f8jtydende v\u00e6skekromatografi. I alt seks gemmaran-sesquiterpener blev isoleret, herunder en ny forbindelse. Deres strukturer blev identificeret ved hj\u00e6lp af analyseteknikker som ultraviolet og infrar\u00f8d spektroskopi (UV og IR), massespektrometri (ESI-MS og HR-ESI-MS), kernemagnetisk resonansspektroskopi (NMR) og cirkul\u00e6r elektrondichroisme (ECD). Derudover blev forbindelserne 1-6 screenet for antiinflammatorisk aktivitet i den lipopolysaccharid (LPS)-inducerede RAW 264.7-inflammatoriske cellemodel af musemakrofager, og alle viste antiinflammatoriske virkninger. Blandt dem havde forbindelse 2 den bedste antiinflammatoriske effekt. Denne unders\u00f8gelse afsl\u00f8rede den kemiske sammens\u00e6tning og antiinflammatoriske aktivitet af vild krysantemum, en plante i Chrysanthemum-sl\u00e6gten. Dens specifikke farmakologiske mekanisme skal dog stadig unders\u00f8ges yderligere gennem systematiske in vitro- og in vivo-eksperimenter. Forskningsresultaterne af denne unders\u00f8gelse kan give et vist eksperimentelt grundlag for den fulde udvikling af vild krysantemum i fremtiden og de kliniske anvendelsesideer og retninger for vilde krysantemummedicinske materialer.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>A new gibberellin type sesquiterpene in wild chrysanthemums Chrysanthemum indicum L. is a perennial herbaceous plant in the Asteraceae and Chrysanthemum genera, also known as Malaria Grass, Coix Seed, and Roadside Yellow. Distributed in Northeast, North, Central, South, and Southwest China, as well as in India, Japan, North Korea, and Russia. Wild chrysanthemum whole plant [&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>A new gibberellin type sesquiterpene in wild chrysanthemums - 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\/a-new-gibberellin-type-sesquiterpene-in-wild-chrysanthemums\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A new gibberellin type sesquiterpene in wild chrysanthemums - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"A new gibberellin type sesquiterpene in wild chrysanthemums Chrysanthemum indicum L. is a perennial herbaceous plant in the Asteraceae and Chrysanthemum genera, also known as Malaria Grass, Coix Seed, and Roadside Yellow. Distributed in Northeast, North, Central, South, and Southwest China, as well as in India, Japan, North Korea, and Russia. 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