{"id":8721,"date":"2024-08-14T19:24:51","date_gmt":"2024-08-14T19:24:51","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8721"},"modified":"2024-08-14T19:24:51","modified_gmt":"2024-08-14T19:24:51","slug":"dandelion-root-polysaccharides","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/tr\/karahindiba-koku-polisakkaritleri\/","title":{"rendered":"Karahindiba k\u00f6k\u00fc polisakkaritleri i\u00e7in s\u00fclfatlama i\u015flemi ko\u015fullar\u0131n\u0131n optimizasyonu ve HepaRG h\u00fccrelerinin oksidatif hasar\u0131 \u00fczerindeki koruyucu etkisi"},"content":{"rendered":"<p>Karahindiba k\u00f6k\u00fc polisakkaritleri i\u00e7in s\u00fclfatlama i\u015flemi ko\u015fullar\u0131n\u0131n optimizasyonu ve HepaRG h\u00fccrelerinin oksidatif hasar\u0131 \u00fczerindeki koruyucu etkisi<br \/>\nPolisakkaritlerin aktivitesi genellikle \u015feker birimlerinin bile\u015fimi, molek\u00fcler a\u011f\u0131rl\u0131k, glikozidik ba\u011flar\u0131n t\u00fcr\u00fc, ana zincir konfig\u00fcrasyonu, dal zincirleri ve uzamsal konfig\u00fcrasyon ile ilgilidir. Orijinal polisakkaritlerle kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, yap\u0131sal olarak modifiye edilmi\u015f polisakkaritler, polisakkarit aktivitesini artt\u0131rmak i\u00e7in faydal\u0131 olan suda \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc \u00f6nemli \u00f6l\u00e7\u00fcde geli\u015ftirmi\u015ftir ve hatta baz\u0131lar\u0131 yeni biyolojik aktiviteler olu\u015fturabilir. Fosforilasyon, s\u00fclfatlama, karboksimetilasyon ve asetilasyon, polisakkarit kimyasal modifikasyonu i\u00e7in yayg\u0131n olarak kullan\u0131lan y\u00f6ntemlerdir. Bunlar aras\u0131nda, s\u00fclfatlanm\u0131\u015f polisakkaritler, antikoag\u00fclan, anti-enflamatuar, antioksidan, anti-t\u00fcm\u00f6r ve ba\u011f\u0131\u015f\u0131kl\u0131k geli\u015ftirme gibi m\u00fckemmel biyolojik aktiviteleri nedeniyle ara\u015ft\u0131rmac\u0131lar\u0131n artan ilgisini \u00e7ekmi\u015ftir. Polisakkaritlerin s\u00fclfatlanmas\u0131, polisakkarit molek\u00fcler zinciri \u00fczerindeki hidroksil gruplar\u0131n\u0131n s\u00fclfat gruplar\u0131yla de\u011fi\u015ftirildi\u011fi reaksiyonu ifade eder ve ortaya \u00e7\u0131kan \u00fcr\u00fcn polisakkarit s\u00fclfat olarak da bilinir. Polisakkarit s\u00fclfatlama i\u00e7in yayg\u0131n olarak kullan\u0131lan y\u00f6ntemler aras\u0131nda kloros\u00fclfonik asit piridin y\u00f6ntemi, konsantre s\u00fclf\u00fcrik asit y\u00f6ntemi, Nagasawa y\u00f6ntemi vb. bulunmaktad\u0131r. Kloros\u00fclfonik asit piridin y\u00f6ntemi, ekonomik reaksiyon reaktifleri, basit reaksiyon ko\u015fullar\u0131 ve y\u00fcksek \u00fcr\u00fcn geri kazan\u0131m oran\u0131 avantajlar\u0131na sahiptir ve bu nedenle polisakkarit s\u00fclfatlama i\u00e7in yayg\u0131n olarak kullan\u0131lan bir y\u00f6ntemdir.<br \/>\nKarahindiba k\u00f6k\u00fc, antioksidan, lipid d\u00fc\u015f\u00fcr\u00fcc\u00fc ve karaci\u011fer korumas\u0131 gibi \u00e7e\u015fitli farmakolojik aktivitelere sahip olan Asteraceae bitkisi karahindiban\u0131n kurutulmu\u015f k\u00f6k\u00fcd\u00fcr. Ma Hongmei ve arkada\u015flar\u0131 taraf\u0131ndan yap\u0131lan ara\u015ft\u0131rma, polisakkaritlerin 42.75%'ye varan i\u00e7eri\u011fi ile karahindiba k\u00f6klerinde en bol bulunan aktif bile\u015fen oldu\u011funu g\u00f6stermektedir. Ara\u015ft\u0131rma grubumuz, karahindiba k\u00f6k\u00fc polisakkaritlerinin, DPPH radikallerini, hidroksil radikallerini ve s\u00fcperoksit anyon radikallerini temizleme yeteneklerine yans\u0131yan ve belirli bir doz etkisi ili\u015fkisi g\u00f6steren iyi bir in vitro antioksidan aktiviteye sahip oldu\u011funu bulmu\u015ftur. Bununla birlikte, ara\u015ft\u0131rmam\u0131zda karahindiba k\u00f6k\u00fc polisakkaritlerinin suda \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fcn\u00fcn \u00e7ok iyi olmad\u0131\u011f\u0131n\u0131 ve bu durumun daha iyi farmakolojik etkiler g\u00f6sterme yeteneklerini s\u0131n\u0131rlad\u0131\u011f\u0131n\u0131 tespit ettik. Literat\u00fcr, polisakkaritlerin s\u00fclfatlanmas\u0131n\u0131n suda \u00e7\u00f6z\u00fcn\u00fcrl\u00fcklerini art\u0131rabildi\u011fini ve biyolojik aktivitelerini geli\u015ftirebildi\u011fini bildirmektedir. Bu nedenle yazar, karahindiba k\u00f6k\u00fc polisakkaritlerinin s\u00fclfatlama modifikasyonunu ele almaktad\u0131r. H2O2, proteinleri ve lipidleri, \u00f6zellikle de genom ve mitokondrideki DNA'y\u0131 bozarak h\u00fccre apoptozunu veya nekrozunu ind\u00fckleyebilen yayg\u0131n bir reaktif oksijen t\u00fcr\u00fc molek\u00fcl\u00fcd\u00fcr. H\u00fccre i\u00e7i oksidatif stres seviyelerini etkili bir \u015fekilde art\u0131rma ve in vivo serbest oksijen radikallerinin neden oldu\u011fu hasar\u0131 sim\u00fcle etme kabiliyeti nedeniyle, H2O2 genellikle in vitro h\u00fccresel oksidatif stres hasar\u0131 olu\u015fturmak i\u00e7in bir model madde olarak kullan\u0131l\u0131r. Bu nedenle, bu \u00e7al\u0131\u015fma H2O2'yi h\u00fccresel oksidatif stres hasar\u0131 modeli olu\u015fturmak i\u00e7in kullanmay\u0131 ve s\u00fclfatlanm\u0131\u015f karahindiba k\u00f6k\u00fc polisakkaritlerinin H2O2 kaynakl\u0131 h\u00fccre hasar\u0131 \u00fczerindeki koruyucu etkisini ara\u015ft\u0131rmay\u0131 ama\u00e7lamaktad\u0131r.<br \/>\n\u00d6zet olarak, bu \u00e7al\u0131\u015fmada karahindiba k\u00f6k\u00fc polisakkaritlerini s\u00fclf\u00fcrik asit ile modifiye etmek i\u00e7in kloros\u00fclfonik asit piridin y\u00f6ntemi kullan\u0131lm\u0131\u015ft\u0131r. \u0130kame derecesi, yan\u0131t y\u00fczey metodolojisi kullan\u0131larak s\u00fclf\u00fcrik asit esterifikasyon s\u00fcrecini optimize etmek i\u00e7in bir g\u00f6sterge olarak kullan\u0131lm\u0131\u015ft\u0131r. Karahindiba k\u00f6k\u00fc polisakkaritlerinin ve s\u00fclfatlar\u0131n\u0131n HepaRG h\u00fccrelerinde H2O2 ile ind\u00fcklenen oksidatif hasar \u00fczerindeki koruyucu etkileri, karahindiba k\u00f6k\u00fc polisakkaritlerinin geli\u015ftirilmesi ve kullan\u0131m\u0131 i\u00e7in de\u011ferli referanslar sa\u011flamak amac\u0131yla \u00f6n ara\u015ft\u0131rmaya tabi tutulmu\u015ftur.<\/p>\n<p>Bu deneyde, karahindiba k\u00f6k\u00fc polisakkaritlerini s\u00fclfatlama yoluyla modifiye etmek i\u00e7in kloros\u00fclfonik asit piridin y\u00f6ntemi kullan\u0131lm\u0131\u015f ve yan\u0131t y\u00fczeyi metodolojisi kullan\u0131larak s\u00fclfatlama s\u00fcreci optimize edilmi\u015ftir. S\u00fclfasyon reaksiyonu i\u00e7in en uygun ko\u015fullar 83 \u2103 reaksiyon s\u0131cakl\u0131\u011f\u0131, 8 piridin\/kloros\u00fclfonik asit oran\u0131 ve 3 saatlik reaksiyon s\u00fcresi olarak elde edilmi\u015ftir. Bu ko\u015fullar alt\u0131nda, s\u00fclfatlanm\u0131\u015f karahindiba k\u00f6k\u00fc polisakkaritlerinin ikame derecesi 1.13 olmu\u015ftur. S\u00fclf\u00fcrik asit ile modifiye edilmi\u015f karahindiba k\u00f6k\u00fc polisakkaritleri H2O2 ile ind\u00fcklenmi\u015f oksidatif hasar h\u00fccreleri \u00fczerinde iyi bir koruyucu etkiye sahiptir. Bu \u00e7al\u0131\u015fma, s\u00fclfasyon modifikasyonunun karahindiba k\u00f6k\u00fc polisakkaritlerinin antioksidan kapasitesini art\u0131rmaya yard\u0131mc\u0131 oldu\u011funu ve karahindiba k\u00f6k\u00fc polisakkaritlerinin daha da geli\u015ftirilmesi ve kullan\u0131lmas\u0131 i\u00e7in yeni fikirler ve y\u00f6nler sa\u011flad\u0131\u011f\u0131n\u0131 g\u00f6stermektedir.<\/p>","protected":false},"excerpt":{"rendered":"<p>Optimization of sulfation process conditions for dandelion root polysaccharides and their protective effect on oxidative damage of HepaRG cells The activity of polysaccharides is usually related to the composition of sugar units, molecular weight, type of glycosidic bonds, main chain configuration, branch chains, and spatial configuration. Compared with the original polysaccharides, structurally modified polysaccharides have [&hellip;]<\/p>\n","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>Optimization of sulfation process conditions for dandelion root polysaccharides and their protective effect on oxidative damage of HepaRG cells - 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\/tr\/karahindiba-koku-polisakkaritleri\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Optimization of sulfation process conditions for dandelion root polysaccharides and their protective effect on oxidative damage of HepaRG cells - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Optimization of sulfation process conditions for dandelion root polysaccharides and their protective effect on oxidative damage of HepaRG cells The activity of polysaccharides is usually related to the composition of sugar units, molecular weight, type of glycosidic bonds, main chain configuration, branch chains, and spatial configuration. 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