Tshuaj yej dub Theaflavins (TFS)

Tshuaj yej dub Theaflavinsyog ib chav kawm ntawm cov tshuaj nrog cov qauv benzophenone, suav nrog theaflavin(TF1), theaflavin-3-gallate(TF2A), thiab theaflavin-3 Muaj plaub yam khoom xyaw tseem ceeb suav nrog ´-gallate (theaflavin-3´-gallate,TF2B) thiab theaflavin-digallate (theaflavin-3,3′-digallate,TF3). Cov tshuaj no yog cov sawv cev tseem ceeb ntawm theaflavins hauv tshuaj yej dub thiab ua lub luag haujlwm tseem ceeb hauv cov xim, aroma thiab saj ntawm tshuaj yej dub.
Qhov kev tshawb pom thiab kev tshawb fawb ntawm theaflavins muaj feem cuam tshuam nrog cov txheej txheem fermentation ntawm cov tshuaj yej dub. Cov tshuaj no yog tsim thaum lub sijhawm oxidative condensation txheej txheem ntawm cov catechins yooj yim thiab gallocatechins. Cov ntsiab lus ntawm theaflavins hauv cov tshuaj yej dub feem ntau yog 0.3% txog 1.5%, uas muaj kev cuam tshuam loj rau qhov zoo ntawm cov tshuaj yej dub.
Theaflavins muaj ntau yam kev ua haujlwm rau kev noj qab haus huv, suav nrogantioxidant, tiv thaiv kab mob cancer, hypolipidemic, tiv thaiv kab mob plawv, antibacterial thiab antiviral, anti-inflammatory thiab deodorantCov kev tshawb fawb tsis ntev los no kuj tau qhia tias theaflavins muaj cov nyhuv tseem ceeb rau kev tiv thaiv halitosis, tshwj xeeb tshaj yog kev tshem tawm ntawm methylmercaptan. Cov haujlwm no ua rau theaflavins yog qhov chaw tshawb fawb uas tau nyiam ntau qhov kev saib xyuas thiab muaj kev cia siab dav dav hauv kev lag luam tshuaj yej thiab cov khoom kho mob.
Hauv kev ua tshuaj yej, kev tshawb pom cov theaflavins muaj feem cuam tshuam nrog kev kawm txog cov txheej txheem fermentation ntawm tshuaj yej dub, uas kuj muab lub hauv paus tseem ceeb rau kev txhim kho cov thev naus laus zis ua tshuaj yej. Feem ntau, kev tshawb pom thiab kev tshawb fawb ntawm theaflavins muab kev txhawb nqa tseem ceeb rau kev txhim kho kev lag luam tshuaj yej thiab kev txhim kho qhov zoo ntawm cov khoom tshuaj yej.