Labarai

Tea polyphenols a cikin koren shayi wani nau'i ne na abubuwan da ke narkewa tare da ƙarin abun ciki a cikin shayi, kuma su ne manyan abubuwan da shayi ke amfani da shi don lafiyarsa.Wakilin da ya fi dacewa shine catechins (phenols), wanda ke da tasiri da yawa, irin su anti-oxidation (kawar da oxygen free radicals), anti-mai kumburi, rage yawan cututtuka na zuciya da jijiyoyin jini, rage yawan lipids na jini, rage ƙwayar jikin jiki, antibacterial, canzawa. ilimin halittu na flora na hanji da sauransu.Bincike ya nuna cewa bayan shan kofi na shayi na rabin sa'a, karfin maganin antioxidant (ikon yakar oxygen free radicals) a cikin jini yana ƙaruwa da 41% ~ 48%, kuma yana iya ɗaukar tsawon sa'o'i daya da rabi a matsayi mai girma.Bugu da ƙari, polyphenols na shayi su ma abubuwan abinci ne kuma galibi ana amfani da su wajen ƙari na abinci.

EGCG shine mafi yawan catechins a cikin shayi kuma shine mai ƙarfi antioxidant wanda zai iya samun aikace-aikacen warkewa a cikin maganin cututtuka da yawa.Ana samunsa a cikin koren shayi amma ba baki shayi ba.A lokacin samar da baƙar fata, ana canza catechins zuwa theaflavins da thrarubigins.A cikin yanayin zafi mai zafi, canjin epimerization zai iya faruwa, adadin da aka rasa a cikin ɗan gajeren lokaci ba shi da mahimmanci.A gaskiya ma, ko da lokacin da aka yi amfani da yanayi na musamman don haifar da yanayin zafi sama da na ruwan zãfi, adadin da aka rasa ya karu kaɗan kawai.Bugu da ƙari, an gano shi yana da ƙarfi topoisomerase inhibotr, kama da wasu magungunan cutar kansa na chemotherapeutic.Wannan dukiya na iya zama alhakin lura da tasirin anticarcinogenic;duk da haka, akwai kuma yiwuwar ciwon daji.Ana zargin yawan shan magungunan polyphenolic yayin daukar ciki yana ƙara haɗarin cutar sankarar mahaifa.Kada mata masu juna biyu su yi amfani da kari na bioflavonoids.Yiwuwar EGCG yana da hannu wajen rage haɗarin kamuwa da cutar kansa, da haɓaka hasara.Ana ci gaba da ƙarin bincike don bincika irin wannan damar a cikin batutuwan ɗan adam.Wasu sun yi imanin inganta matakan cholesterol.Duk da haka binciken bai sami irin wannan hanyar haɗin gwiwa ba.Wasu shaidun sun nuna cewa yawan shan shayi na iya rage hadarin kamuwa da cutar hauka, da kuma hadarin kamuwa da wasu cututtukan daji.