{"id":9059,"date":"2024-08-15T18:11:22","date_gmt":"2024-08-15T18:11:22","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=9059"},"modified":"2024-08-15T18:11:22","modified_gmt":"2024-08-15T18:11:22","slug":"tianming-jing","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/tianming-jing\/","title":{"rendered":"Forskning i terpenoidkomponenterne i Tianming Jing og deres antitumoraktivitet"},"content":{"rendered":"<p>Forskning i terpenoidkomponenterne i Tianming Jing og deres antitumoraktivitet<br \/>\nDer findes ca. 21 arter af sl\u00e6gten Carpesium i Asteraceae-familien, hvoraf de fleste er udbredt i Asien og Europa. Carpesium abrotanoides L., som er en traditionel kinesisk l\u00e6geurt med fler\u00e5rige urter, er i lang tid blevet brugt i syd\u00f8stasiatiske lande som Kina, Sydkorea og Japan til behandling af forskellige sygdomme. I Compendium of Materia Medica st\u00e5r der, at Tianming Jing er s\u00f8d, kold og ugiftig; indikationer omfatter opkastning af blod, h\u00e6velse i halsen, stagnation af slim og spyt, vindgift scrofula, s\u00e5r og h\u00e6velser, rundorm og b\u00f8rneorm. If\u00f8lge indenlandske og udenlandske rapporter er denne plante rig p\u00e5 karakteristiske komponenter som monoterpener, sesquiterpener, diterpener og phenoler og har ofte effektive farmakologiske aktiviteter som antiinflammatoriske, svampedr\u00e6bende, antiparasit\u00e6re, antitumorale og antivirale virkninger. Terpenforbindelser har rige strukturelle typer og forskellige biologiske aktiviteter, s\u00e5som sesquiterpener, monoterpener osv. De udg\u00f8r et vigtigt materialegrundlag for opdagelsen af blyforbindelser og har en vigtig anvendelsesv\u00e6rdi for udviklingen af nye l\u00e6gemidler.<\/p>\n<p>For yderligere at studere de kemiske ressourcer i Tianming Jing-planten og forts\u00e6tte med at s\u00f8ge efter biologisk aktive kemiske komponenter. Denne unders\u00f8gelse udforsker den kemiske sammens\u00e6tning og in vitro antitumoraktivitet af dens petroleumsetherekstrakt, som kan give et teoretisk grundlag for udvikling og anvendelse af traditionelle kinesiske medicinske materialer inden for antitumoraktivitet.<\/p>\n<p>Kina har et stort territorium og rigelige ressourcer af Asteraceae-planter, hvilket giver os rigelige materialeressourcer til dybdeg\u00e5ende forskning i Asteraceae-planter. P\u00e5 grund af deres forskelligartede kemiske sammens\u00e6tning og h\u00f8je medicinske v\u00e6rdi har planter af sl\u00e6gten Tianming Jing altid v\u00e6ret et hotspot for forskning i naturprodukter.<\/p>\n<p>P\u00e5 nuv\u00e6rende tidspunkt er der relativt lidt forskning i den kemiske sammens\u00e6tning og farmakologiske virkninger af petroleumsetherfraktionen af Tianming Jing af indenlandske og udenlandske forskere. For yderligere at afklare de kemiske ressourcer i denne plante gennemf\u00f8rte vi en systematisk unders\u00f8gelse af dens kemiske sammens\u00e6tning og isolerede 9 forbindelser (herunder 5 menthonmonoterpener, 3 laktonfrie sesquiterpener og 1 reduceret sesquiterpenlakton) fra denne plante for f\u00f8rste gang. Forbindelserne 3-8 blev isoleret fra denne plantesl\u00e6gt for f\u00f8rste gang. Antitumoraktiviteten af de ovenn\u00e6vnte forbindelser blev evalueret ved hj\u00e6lp af MTS-metoden, og resultaterne viste, at b\u00e5de monoterpener og sesquiterpener havde en vis cytotoksisk aktivitet. Blandt dem viste forbindelser 4 og 8 sig for f\u00f8rste gang at have svage h\u00e6mmende virkninger p\u00e5 spredningen af fem humane tumorceller: leuk\u00e6mi (HL60), lungekr\u00e6ft (A549), leverkr\u00e6ft (SMMC7721), brystkr\u00e6ft (MCF7) og tyktarmskr\u00e6ft (SW480); Tilsvarende udviste forbindelse 9 ogs\u00e5 svage h\u00e6mmende virkninger, hvilket er i overensstemmelse med tidligere forskningsresultater. Derudover viste forbindelse 2 sig for f\u00f8rste gang at have en signifikant h\u00e6mmende effekt p\u00e5 spredningen af MCF7- og SW480-cancerceller med h\u00e6mningshastigheder p\u00e5 henholdsvis 72% og 81% ved en koncentration p\u00e5 40 \u03bc M; If\u00f8lge den forel\u00f8bige analyse af struktur-aktivitetsforholdet kan hydroxylgruppen i position 9 af monoterpener af menthone-typen v\u00e6re en aktiv forst\u00e6rkergruppe. Denne artikel afsl\u00f8rer for f\u00f8rste gang de aktive ingredienser i Tianmingjing, der h\u00e6mmer brystkr\u00e6ftceller og tyktarmskr\u00e6ftceller, og l\u00e6gger et fundament for yderligere l\u00e6gemiddeludvikling og udnyttelse af Tianmingjing-ressourcer.<\/p>","protected":false},"excerpt":{"rendered":"<p>Research on the terpenoid components of Tianming Jing and their anti-tumor activity There are approximately 21 species of the genus Carpesium in the Asteraceae family, most of which are distributed in Asia and Europe. Carpesium abrotanoides L., as a traditional Chinese medicinal herb with perennial herbs, has been used for a long time in Southeast [&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>Research on the terpenoid components of Tianming Jing and their anti-tumor activity - 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\/tianming-jing\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research on the terpenoid components of Tianming Jing and their anti-tumor activity - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Research on the terpenoid components of Tianming Jing and their anti-tumor activity There are approximately 21 species of the genus Carpesium in the Asteraceae family, most of which are distributed in Asia and Europe. 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