I-tea ehlaza (Camellia sinensis) ingaba neenzuzo zezempilo ezibandakanya ukukhusela i-arthritis. Iziphumo zezifundo ezichazwe kwiNkcazo yeSizwe yeSizwe (1999) yileyokuqala ukubonisa ukuba i-antioxidants efunyenwe kwi-tea ehlaza, eyaziwayo njenge-polyphenols, inokunciphisa ngokuthe ngqo iziganeko kunye nobukhulu be- arthritis ye- rheumatoid .
I-Tea yeFuthi eGuhlaza eFuthi kwiSifundo soPhulo
Uphononongo, okhokelwa nguDkt. Tariq Haqqi we-Case Western Reserve kwiYunivesithi yaseCleveland, eOhio, wasebenzisa amagundane ukuba afunde umphumo we-polyphenols kwi-rheumatoid arthritis, isifo se-rheumatic esichazwe ukuvuvukala , intlungu, ukuvuvukala kunye nokutshabalalisa.
Iigundlo ekufundweni zanikezwa ngamanzi alula okanye amanzi atyathwa ngetayi eluhlaza. Iidayiti ezinikeziweyo zazifaniswa nokusetyenziswa kwabantu ezine iikomityi zeeti eziluhlaza ngosuku. Zonke iigundane zabe zijojowe nge-collagen ngenjongo yokunciphisa i-arthritis. I-arthritis eyenziwa yi-Collagen ithathwa njengento efana nesifo se-rheumatoid arthritis.
Iziphumo zophando zaphetha ukuba iigundane ezondla i-green tea i-polyphenols zazingenakukwazi ukuhlakulela i-arthritis eyenziwa yi-collagen kunokuba iigundane ezingadli i-green tea polyphenols. Kwimichiza eyondla i-green tea eyayiphuhlise i-arthritis, yenzeke njengokuqala kwasekuqaleni kunye nobumnene. Ama-8 kuphela kwimizi e-18 efumana i-green tea i-polyphenol yavelisa i-arthritis, ngoxa ama-17 angama-18 kwimiba engamkeli i-green tea i-polyphenol yakha i-arthritis.
Ukuhlolwa kwezicubu ezidibeneyo kubonakaliswe ukungena kwamangqamuzana eeseli ezihlangeneyo kwiimiceba ezifumana itiye eluhlaza ngokuphambene nokungena kwamanzi kwiinambuzane ezingadli i-green tea.
Impembelelo ye-green tea yabonakala ngokuphawulekayo.
Kwamazwe amaninzi afana ne-Indiya, i-China kunye neJapan, itiye eluhlaza ithathwa njengento enempilo kunye nokukwazi ukukhusela izifo ezithile. Kubonakala sengathi, i-rheumatoid arthritis kula mazwe ikhona kwisantya esincinane kangangoko kwezinye iindawo emhlabeni jikelele kwaye abanye abantu bakholelwa ngamandla kwi-tea ye-green tea.
I-EGCG (i-epigallocatechin 3-gallate) yi-polyphenol kwitheyi eluhlaza ebonwa njengesisithako esisebenzayo. Ngokweengxelo kwi-Arthritis Research & Therapy (2010), i-EGCG ibandakanya ama-63% eekatekini ezipheleleyo. Ngokomsebenzi wokulwa ne-antioxidant, i-EGCG i-25 ukuya kwi-100% ngaphezulu kuneyona vithamini C okanye i-vithamini E. Enye indebe ye-green tea inikeza iikatekini ezingama-60 ukuya kuma-125 mg (kuquka i-EGCG).
Impembelelo ye-EGCG kwi-Synovial Fibroblasts
Yonke loo minyaka edlulileyo, iingeniso zezempilo ezibangelwa yi-green tea zathatha ingqwalasela yabaphandi ngokukhawuleza. I-in vitro (okt, kwi-laboratory) kwenziwa izifundo. Ngo-2007, malunga neminyaka engama-8 emva kokufunda okokuqala, itiye eluhlaza yenziwa kwakhona. Ngeli xesha, abaphandi eYunivesithi yaseMichigan bafumene ukuba i-compound kwi-tea eluhlaza inganceda ukukhusela ukutshabalala kunye nomonakalo ohlanganyelweyo kwizigulane ze-rheumatoid arthritis.
Kule sifundo, i-synovial fibroblasts (iiseli zombini odibeneyo) zazingekho kwaye zakhutshwa. Iiseli zavezwa kwi-EGCG. Kwakumiselwe ukuba i-EGCG ivimbele iamolekyu ezimbini ezinxulumene nokuphulwa kwethambo kumalungu axhatshazwa yi-rheumatoid arthritis. I-EGCG iphinde ivalwe i-prostaglandin E2 ekhutshwe ngeendonga zesitya segazi ekuphenduleni isifo okanye ukuvuvukala.
Iprostaglandin E2 idibene nokuvuvukala okuhlangeneyo.
Uvavanyo lweZliniki ze-EGCG
Ukusebenza kwe-EGCG kwisifo se-rheumatoid arthritis okanye i- osteoarthritis usebenzisa izilingo ezilawulwa yi-phase akukafuneka zenziwe. Nangona izifundo ezikhoyo kwi-vitro zibonise ubungqina bemisebenzi echasene ne-rheumatic ye-EGCG, kufuneka kwenziwe uphando olunzulu lwee-preclinical kwaye ekugqibeleni, iimvavanyo zekliniki ezibandakanya izigulane ezinezifo ezihlangeneyo.
Imithombo:
Ukuqhutyelwa kweSizwe seSizwe soSayensi, 1999; 96: 4524-4529
Itiye elihlaza lifunyenwe ukunciphisa ukuvutha, intlungu ye-arthritis. NaturalNews.com. UDavid Gutierrez. Disemba 31, 2007.
I-poly tehen e-polyphenol epigallocateyin i-3-gallate kwi-arthritis: inkqubela kunye nesithembiso. Salahuddin Ahmed. Uphando lweArthritis kunye noTyhulwa. Epreli 2010.