{"id":4693,"date":"2024-08-04T15:12:21","date_gmt":"2024-08-04T15:12:21","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=4693"},"modified":"2024-08-04T15:12:21","modified_gmt":"2024-08-04T15:12:21","slug":"citrus-peel-essential-oil","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/citrus-peel-essential-oil\/","title":{"rendered":"Sammenlignende unders\u00f8gelse af sammens\u00e6tningen, antioxidanterne og de antibakterielle egenskaber af \u00e6teriske olier fra forskellige sorter af grapefrugtskal"},"content":{"rendered":"<p>Sammenlignende unders\u00f8gelse af sammens\u00e6tningen, antioxidanterne og de antibakterielle egenskaber af \u00e6teriske olier fra forskellige sorter af grapefrugtskal<br \/>\nCitrus maxima h\u00f8rer til underfamilien Citrus i Rutaceae-familien og har v\u00e6ret dyrket i Kina i over 4000 \u00e5r. De vigtigste produktionsomr\u00e5der er Guangxi, Guangdong, Chongqing, Fujian, Hunan osv. De vigtigste sorter er Shatian pomelo, Wendan pomelo og Guanxi honey pomelo med en \u00e5rlig produktion p\u00e5 over 5 millioner tons. Yuzu-skal er et biprodukt af grapefrugt og udg\u00f8r 40% til 55% af den samlede v\u00e6gt af grapefrugt. Den indeholder forskellige aktive stoffer som \u00e6terisk olie, pektin, limonin, kostfibre osv. Det har antioxidant-, antibakteriel-, antitumor-, blodtrykss\u00e6nkende og blodsukkers\u00e6nkende virkning. Det kan bruges til at behandle hjerte-kar-sygdomme, lindre slim og hoste og give n\u00e6ring til blod og milt. Ved at udvikle og udnytte over 2 millioner tons pomeloskaller, der produceres \u00e5rligt i vores land, kan man ikke kun undg\u00e5 milj\u00f8forurening, men ogs\u00e5 producere produkter af h\u00f8j v\u00e6rdi som \u00e6terisk olie af pomeloskaller, pektin, kostfibre, flavonoider og limonin. \u00c6terisk olie af yuzu-skal kan fremstilles ved hj\u00e6lp af metoder som koldpresning, superkritisk CO2-ekstraktion, dampdestillation og ultralydsassisteret ekstraktion. Den antibakterielle virkning af D-limonen i \u00e6terisk olie af grapefrugtskal er blevet rapporteret i litteraturen. Zhang et al. fandt i deres unders\u00f8gelse, at Shatian pomelo og Xiangyou, som har det h\u00f8jeste indhold af D-limonen, har h\u00f8jere antibakteriel aktivitet end Wendan pomelo og Liangping pomelo, som har et lavere indhold af D-limonen. Lan phi et al. fandt ogs\u00e5 en sammenh\u00e6ng mellem den antibakterielle aktivitet af vietnamesisk \u00e6terisk olie af grapefrugtskaller og indholdet af D-limonen i deres forskning.<br \/>\nSelvom den antibakterielle evne af limonen i \u00e6terisk olie af grapefrugtskal er bevist, har andre terpenoidforbindelser i \u00e6terisk olie af grapefrugtskal ogs\u00e5 potentielle bidrag til antioxidanter og antibakterielle evner. P\u00e5 nuv\u00e6rende tidspunkt findes der ingen systematisk unders\u00f8gelse af, hvordan forskellige komponenter i \u00e6terisk olie af grapefrugtskal bidrager til antibakterielle og antioxidante virkninger, s\u00e5 det er ikke muligt at klassificere og anvende \u00e6teriske olier af grapefrugtskal med forskellige sammens\u00e6tninger. Form\u00e5let med denne unders\u00f8gelse er at bestemme sammens\u00e6tningen af \u00e6teriske olier fra forskellige sorter af grapefrugtskal, sammenligne forskellene i \u00e6terisk oliesammens\u00e6tning og analysere komponenterne med betydelige antioxidante og bakteriostatiske virkninger i \u00e6teriske olier af grapefrugtskal baseret p\u00e5 resultaterne af antibakterielle og antioxidante eksperimenter for at give teknisk st\u00f8tte til klassificering og udvikling af \u00e6teriske olier af grapefrugtskal.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4694\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-83.png\" alt=\"\" width=\"665\" height=\"182\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4695\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-73.png\" alt=\"\" width=\"654\" height=\"273\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4696\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-69.png\" alt=\"\" width=\"657\" height=\"297\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4698\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-55.png\" alt=\"\" width=\"673\" height=\"828\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-55.png 673w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-55-585x720.png 585w\" sizes=\"(max-width: 673px) 100vw, 673px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4699\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-51.png\" alt=\"\" width=\"659\" height=\"327\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4700\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-48.png\" alt=\"\" width=\"662\" height=\"294\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4701\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-43.png\" alt=\"\" width=\"662\" height=\"339\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4702\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-38.png\" alt=\"\" width=\"672\" height=\"318\" \/><br \/>\nDenne artikel bruger dampdestillation til at udtr\u00e6kke 12 typer \u00e6teriske olier af grapefrugtskal og sammenligner de \u00e6teriske oliekomponenter ved hj\u00e6lp af GC-MS-analyse. I alt 35 kemiske komponenter blev identificeret, hovedsageligt terpener og terpenoxider. Det h\u00f8jeste indhold af terpener er D-limonen, efterfulgt af \u03b2-luren, \u03b1-pinen og \u03b2-pinen. Terpenoxider omfatter hovedsageligt linalool, geraniol, nerylalkohol og nerylacetat. Gennem antioxidant- og antibakterielle testfors\u00f8g kombineret med PCA og hierarkisk klyngeanalyse blev det fastsl\u00e5et, at komponenterne med de mest antioxidante og antibakterielle virkninger var henholdsvis D-limonen, citral og linalool. Caryophyllene, geraniol og \u03b1-carvacrol havde visse antioxidante og antibakterielle egenskaber.<br \/>\nI de seneste \u00e5rtier har \u00e6teriske planteolier tiltrukket sig stor opm\u00e6rksomhed p\u00e5 grund af deres naturlige farmakologiske virkninger som antioxidanter, antibakterielle, anti-tumor og anti-inflammatoriske egenskaber samt deres forureningsfri natur. Sammens\u00e6tningen af \u00e6teriske planteolier fra forskellige kilder varierer dog meget, og forskellene i sammens\u00e6tning afspejles i forskellene i produktaktivitet. Hovedkomponenten i \u00e6teriske olier fra citrusarter i Rutaceae-familien, som f.eks. appelsinskal og grapefrugtskal, er D-limonen. De antibakterielle og antioxidante virkninger af limonen er blevet grundigt dokumenteret, og forskellene i aktiviteten af \u00e6teriske olier fra forskellige sorter af citrusarter p\u00e5virkes af typen og indholdet af andre komponenter end limonen. I denne unders\u00f8gelse blev citral, linalool og en r\u00e6kke forbindelser med antibakterielle og antioxidante aktiviteter som caryophyllen, geraniol og \u03b1-carvacrol screenet. Men de involverede typer af \u00e6teriske olier fra citrusskaller er begr\u00e6nsede, og de antibakterielle eksperimenter er rettet mod et begr\u00e6nset antal mikrobielle arter. Aktivitetstestene er ogs\u00e5 begr\u00e6nset til antibakterielle og antioxidante aktiviteter. Det n\u00e6ste trin i forskningen vil udvide udvalget af sorter, danne en lille database over komponenter i \u00e6teriske citrusolier og udvide aktivitetstestene til almindelige l\u00e6gemiddelaktiviteter.<\/p>","protected":false},"excerpt":{"rendered":"<p>Comparative study on the composition, antioxidant and antibacterial abilities of essential oils from different varieties of grapefruit peel Citrus maxima belongs to the subfamily Citrus of the Rutaceae family, and has been cultivated in China for over 4000 years. Its main production areas include Guangxi, Guangdong, Chongqing, Fujian, Hunan, etc. The main varieties include Shatian [&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>Comparative study on the composition, antioxidant and antibacterial abilities of essential oils from different varieties of grapefruit peel - 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\/citrus-peel-essential-oil\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comparative study on the composition, antioxidant and antibacterial abilities of essential oils from different varieties of grapefruit peel - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Comparative study on the composition, antioxidant and antibacterial abilities of essential oils from different varieties of grapefruit peel Citrus maxima belongs to the subfamily Citrus of the Rutaceae family, and has been cultivated in China for over 4000 years. 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