{"id":3871,"date":"2024-08-03T08:28:09","date_gmt":"2024-08-03T08:28:09","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=3871"},"modified":"2024-08-03T08:28:09","modified_gmt":"2024-08-03T08:28:09","slug":"houttuynia-cordata-ethyl-acetate","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/houttuynia-cordata-ethyl-acetate\/","title":{"rendered":"Unders\u00f8gelse af den kemiske sammens\u00e6tning og antiplantepatogenaktivitet af etylacetatekstrakt fra Houttuynia cordata"},"content":{"rendered":"<p>Unders\u00f8gelse af den kemiske sammens\u00e6tning og antiplantepatogenaktivitet af etylacetatekstrakt fra Houttuynia cordata<br \/>\nHouttuynia cordata Thunb h\u00f8rer til familien Trifolium, og dens r\u00f8dder, st\u00e6ngler og blade kan alle bruges som medicin. Den har en varmeafledende og afgiftende virkning og kan styrke kroppens immunforsvar. Det er en plante med dobbelt anvendelse til medicin og mad, hvor de vigtigste effekter er antiallergi, astmalindring og hostelindring. Derfor bruges den ofte i klinisk praksis til at behandle sygdomme som slim, varme, hv\u00e6sende vejrtr\u00e6kning og hoste. I 2003 blev det udvalgt af landet som et af de otte l\u00e6gemidler til behandling af akut respiratorisk syndrom (SARS). I klinisk praksis bruges hovedsageligt den aktive ingrediens i dens flygtige olie, decanoylacetaldehyd, som ogs\u00e5 er kendt som houttuynia cordata. Natriumbisulfitadduktet af decanoylacetaldehyd kaldes almindeligvis houttuynia cordata-natrium. Houttuyfonatnatrium kan bruges til at behandle kronisk bronkitis og andre infektionssygdomme i de \u00f8vre luftveje osv. Samtidig har flavonoiderne i Houttuyfonate, s\u00e5som quercetin og quercetin, gode bakteriedr\u00e6bende, sliml\u00f8sende og antipruritiske virkninger. P\u00e5 nuv\u00e6rende tidspunkt er der blevet opdaget et nyt strukturelt nyt skeletflavonoid i Houttuynia cordata, som tilh\u00f8rer det nye skeletflavonoid, der best\u00e5r af Houttuynia cordata-ekstrakt og flavonoider. Det har god aktivitet mod herpes simplex-virus og kan bruges som en karakteristisk komponent til kvalitetskontrol af Houttuynia cordata. If\u00f8lge autoritative naturproduktmagasiner er de mest udbredte kemiske komponenter i Houttuynia cordata flavonoider med over 100 af dem; Dern\u00e6st er der alkaloider og polyfenoliske forbindelser; Der er over 70 forbindelser af alkaloider, der hovedsageligt udviser biologiske aktiviteter s\u00e5som antivirale og antiinflammatoriske virkninger; Mindre rapporteret er phenylpropanoider, coumariner, triterpenoider og sesquiterpener. De medicinske ingredienser, der er isoleret og udvundet fra den naturlige plante Houttuynia cordata, har lav toksicitet for menneskekroppen og gode terapeutiske virkninger og har tiltrukket sig stor opm\u00e6rksomhed fra forskere.<br \/>\nLandbrugsprodukter og andre ressourcer bliver stadig mere knappe i verden, og de vil blive vigtige v\u00e5ben i konkurrencen og begr\u00e6nse Kinas fremgang blandt stormagterne. Landbruget har en betydelig politisk og strategisk v\u00e6rdi for Kina. Men sygdomme og skadedyr for\u00e5rsaget af plantepatogene svampe er en v\u00e6sentlig \u00e5rsag til nedgangen i det globale udbytte af f\u00f8devarer og afgr\u00f8der. P\u00e5 nuv\u00e6rende tidspunkt har forskning rapporteret, at sekund\u00e6re metabolitter produceret af endofytiske svampe i Houttuynia cordata-planter har antibakteriel aktivitet. Liu Zhengqiong fra Sichuan Agricultural University fandt ogs\u00e5, at endofytiske svampe isoleret fra Houttuynia cordata, s\u00e5som Pestalotiopsis microspora, Chaetomium globorum og Fusarium nemetophilum, har en h\u00e6mningsgrad p\u00e5 over 40% mod plantepatogener s\u00e5som hvede Fusarium head blight, kartoffelskimmel, peberskimmel, vandmelonvisnesyge og kerneskivesvamp. Der er dog kun f\u00e5 rapporter om den antiplantepatogene svampeaktivitet af de kemiske komponenter i Houttuynia cordata. Derfor forts\u00e6tter denne artikel med at s\u00f8ge efter strukturelt forskellige l\u00e6gemiddelforbindelser med antiplantepatogene svampe fra Houttuynia cordata for at tilvejebringe alternative forbindelser til udvikling og oprettelse af nye pesticider.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3872\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-17.png\" alt=\"\" width=\"1120\" height=\"556\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-17.png 1120w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-17-768x381.png 768w\" sizes=\"(max-width: 1120px) 100vw, 1120px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3873\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-16.png\" alt=\"\" width=\"1120\" height=\"586\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-16.png 1120w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-16-768x402.png 768w\" sizes=\"(max-width: 1120px) 100vw, 1120px\" \/><br \/>\nDenne artikel isolerede og identificerede 10 forbindelser, herunder 4 kulstofreducerende sesquiterpener, 3 flavonoider og 3 polyfenoler, fra ethylacetatekstraktet af den 95%-t\u00f8rrede del af Houttuynia cordata. Forbindelserne 1-4 er de f\u00f8rste kulstofreducerende sesquiterpener, der er isoleret fra Houttuynia cordata i Qinling-bjergene. Der har ikke v\u00e6ret nogen rapporter om kulstofreducerende sesquiterpener i de sekund\u00e6re metabolitter fra Houttuynia cordata. Denne artikel rapporterer for f\u00f8rste gang de kulstofreducerende sesquiterpener i Houttuynia cordata, hvilket \u00f8ger antallet af kemiske komponenter i Houttuynia cordata og beriger de strukturelle typer af dets forbindelser. Forbindelserne 1-4 af kulstofreducerende sesquiterpener har svag antibakteriel aktivitet mod Fusarium graminearum, Fusarium oxysporum, Botrytis cinerea, Fusarium oxysporum og Fusarium oxysporum; Flavonoider 5-7 har moderat antibakteriel aktivitet mod Fusarium graminearum, Fusarium oxysporum, Botrytis cinerea, Fusarium oxysporum og Fusarium oxysporum; Polyfenoliske forbindelser 8-10 har svag antibakteriel aktivitet mod de fem ovenn\u00e6vnte plantepatogener, hvilket giver et forskningsgrundlag for den efterf\u00f8lgende unders\u00f8gelse af den kemiske sammens\u00e6tning og farmakologiske virkninger af Houttuynia cordata.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on the Chemical Composition and Anti Plant Pathogen Activity of Ethyl Acetate Extract from Houttuynia cordata Houttuynia cordata Thunb belongs to the family Trifolium, and its roots, stems, and leaves can all be used as medicine. It has the effects of clearing heat and detoxifying, and can enhance the body&#8217;s immune function. It is [&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 the Chemical Composition and Anti Plant Pathogen Activity of Ethyl Acetate Extract from Houttuynia cordata - 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\/houttuynia-cordata-ethyl-acetate\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on the Chemical Composition and Anti Plant Pathogen Activity of Ethyl Acetate Extract from Houttuynia cordata - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on the Chemical Composition and Anti Plant Pathogen Activity of Ethyl Acetate Extract from Houttuynia cordata Houttuynia cordata Thunb belongs to the family Trifolium, and its roots, stems, and leaves can all be used as medicine. It has the effects of clearing heat and detoxifying, and can enhance the body&#8217;s immune function. 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