{"id":8557,"date":"2024-08-14T16:33:55","date_gmt":"2024-08-14T16:33:55","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8557"},"modified":"2024-08-14T16:33:55","modified_gmt":"2024-08-14T16:33:55","slug":"l-ergothionein","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/l-ergothionein\/","title":{"rendered":"Forskningsfremskridt inden for biosyntese og anvendelse af L-ergothionein"},"content":{"rendered":"<p>Forskningsfremskridt inden for biosyntese og anvendelse af L-ergothionein<br \/>\nNaturligt ergothionein, ogs\u00e5 kendt som L-ergothionein (L-EGT), har en molekylv\u00e6gt p\u00e5 229,3, er en hvid krystal, der er letopl\u00f8selig i vand (0,9 mol pr. liter ved 24 \u00b0C). Det er en naturlig antioxidant som thioimidazolaminosyrer, der er med til at opretholde redoxtilstanden i kroppens celler. I 1909 isolerede Tanret et al. f\u00f8rst LEGT fra den parasitiske meldr\u00f8jer p\u00e5 gr\u00e6splanten rug og opdagede efterf\u00f8lgende L-EGT i menneskeblod, hvilket tiltrak sig folks opm\u00e6rksomhed. Under fysiologiske forhold findes L-EGT hovedsageligt i form af thioner, hvilket opretholder stabiliteten og g\u00f8r det mindre tilb\u00f8jeligt til selvoxidation (se figur 1). P\u00e5 grund af sin unikke struktur har L-EGT h\u00f8jere stabilitet og antioxidantaktivitet end glutathion. Forskning har vist, at L-EGT har potentiale til at forebygge og behandle sygdomme som kr\u00e6ft, hjerte-kar-sygdomme og kognitiv sv\u00e6kkelse for\u00e5rsaget af oxidativ stress samt til at konservere og bevare friske f\u00f8devarer. I 2016 udstedte Den Europ\u00e6iske F\u00f8devaresikkerhedsautoritet en sikkerhedsvurdering af L-EGT som en ny type f\u00f8devare, hvilket banede vejen for udviklingen af L-EGT-relaterede l\u00e6gemidler og f\u00f8devarer. Baseret p\u00e5 L-EGT's st\u00e6rke antioxidant-, sikkerheds- og stabilitetsfordele har det vist lovende anvendelsesmuligheder inden for kosmetik, funktionelle f\u00f8devarer, medicinske, terapeutiske og biomedicinske omr\u00e5der.<\/p>\n<p>L-EGT er en meget effektiv, sikker og stabil naturlig antioxidant med fremragende evne til at fjerne frie radikaler, chelatdannelse af divalente kationer samt f\u00f8devarekonservering og korrosionsbek\u00e6mpelse. Menneskekroppen absorberer L-EGT gennem den organiske kationtransport\u00f8r OCTN1 p\u00e5 cellemembranens overflade, hvilket beskytter cellerne mod oxidativ stress, h\u00e6mmer kroppens inflammatoriske respons og beskytter huden mod UV-stress. Menneskekroppens evne til at f\u00e5 L-EGT fra f\u00f8devarer er dog begr\u00e6nset, og den h\u00f8je pris p\u00e5 L-EGT p\u00e5 markedet afholder folk fra at supplere med yderligere L-EGT. P\u00e5 nuv\u00e6rende tidspunkt er det vanskeligt at syntetisere L-EGT ved hj\u00e6lp af kemiske metoder, og der er ulemper som vanskeligheder med at sikre produktsikkerhed, h\u00f8je synteser\u00e5varer og omkostninger. Udvinding fra spiselige svampe, der er rige p\u00e5 LEGT, har problemer som lav udvindingseffektivitet, langt tidsforbrug og vanskeligheder med forberedelse i stor skala, hvilket stadig ikke grundl\u00e6ggende kan l\u00f8se problemet med utilstr\u00e6kkelig L-EGT-produktion. Biosyntesevejene for LEGT i bakterier og svampe er blevet analyseret, og i fremtiden b\u00f8r stabile og h\u00f8jtydende L-EGT-tekniske bakterier konstrueres ved hj\u00e6lp af genteknologiske metoder kombineret med moderne gr\u00f8n og kulstoffattig fermenteringsteknologi for at opn\u00e5 storstilet produktion af L-EGT, hvilket fundamentalt reducerer produktionsomkostningerne for LEGT.<br \/>\nDa L-EGT har potentiale til at forebygge og behandle sygdomme som kr\u00e6ft, hjerte-kar-sygdomme og kognitiv sv\u00e6kkelse, men mangler st\u00e6rke kliniske fors\u00f8gsdata, b\u00f8r yderligere forskning i L-EGT-fors\u00f8g styrkes.<\/p>","protected":false},"excerpt":{"rendered":"<p>Research progress on biosynthesis and application of L-ergothionein Natural ergothioneine, also known as L-ergothioneine (L-EGT), has a molecular weight of 229.3, is a white crystal that is easily soluble in water (0.9 mol per liter at 24 \u2103). It is a natural antioxidant such as thioimidazole amino acids that participate in maintaining the redox state [&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 progress on biosynthesis and application of L-ergothionein - 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\/l-ergothionein\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research progress on biosynthesis and application of L-ergothionein - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Research progress on biosynthesis and application of L-ergothionein Natural ergothioneine, also known as L-ergothioneine (L-EGT), has a molecular weight of 229.3, is a white crystal that is easily soluble in water (0.9 mol per liter at 24 \u2103). 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