Perera, K.P.W.C.Wickremasinghe, R.L.2014-11-182014-11-181972Tea Quarterly43(04)pp.153-163https://dl.nsf.gov.lk/handle/1/13269BiochemistryTea enzymesPolyphenol-oxidaseTea productionTheaflavinThearubiginsTanninsProperties of tea polyphenol -oxidaseA