Thaum nws keeb kwm yog qhov txaus nyiam, qhov ntawd tsis yog qhov laj thawj tseem ceeb uas tib neeg xaiv nws. Tej zaum cov tshuaj antioxidants hauv tshuaj yej phom yog qhov tseem ceeb tshaj rau cov neeg paub txog kev noj qab haus huv. Antioxidants yog ib hom kev tiv thaiv ntawm lub cev thiab muaj nyob rau hauv ntau yam khoom noj khoom haus thiab dej haus, suav nrog tshuaj yej. Lawv txoj haujlwm yog los tua cov dawb radicals, uas tsis muaj kev sib koom ua ke thiab tsis ruaj khov electrons uas ua rau muaj kev ntxhov siab oxidative.
Oxidative stress, nyob rau hauv lem, yog ib tug txheej txheem uas ua rau cell puas thiab ua rau muaj kev pheej hmoo ntawm ntau yam kab mob, xws li mob plawv, kev txawj ntse poob thiab ntshav qab zib. Nws tuaj yeem tshwm sim los ntawm ntau yam ntawm ib puag ncig, suav nrog kev haus luam yeeb, haus cawv, muaj kuab lom, thiab txawm tias tshav ntuj. Txawm li cas los xij, cov tshuaj antioxidants tuaj yeem pab txo qhov kev hem thawj los ntawm kev tawm tsam dawb radicals thiab thaum kawg ua kom qeeb ntawm cov txheej txheem oxidation ntuj tab sis muaj teeb meem.
Gunpowder ntsuab tshuaj yej thiab nws cov ntsiab lus EGCG yog cov muaj zog tshaj plaws antioxidants. EGCG (Epigallocatechin Gallate) muab koj cov tshuaj yej nws cov xim ntsuab thiab tsw. Nws tseem tuaj yeem txhawb kev poob phaus, txhim kho daim tawv nqaij noj qab haus huv, pab kev zom zaub mov, txhawb kev tiv thaiv kab mob, thiab txhim kho kev txawj ntse, tsuas yog sau npe rau qee yam ntawm nws ntau thiab cov ntaub ntawv zoo tshuaj.