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Item Studies on the quality and flavour of tea - the carotenoids(The Tea Research Institute. Talawakele, 1965) Tirimanna, A.S.L.; Wickremasinghe, R.L.Item The localization of the polyphenol oxidase of tea leaf(The Tea Research Institute. Talawakele, 1967) Wickremasinghe, R.L.; Roberts, G.R.; Perera, B.P.M.Item Studies on the quality and flavour of tea iii- gas chromatographic analyses of the aroma complex(The Tea Research Institute. Talawakele, 1968) Yamanishi, T.; Wickremasinghe, R.L.; Perera, K.P.W.C.Item Studies on the quality and flavour of tea 4 observations on the biosynthesis of volatile compounds(The Tea Research Institute. Talawakele, 1969) Wickremasinghe, R.L.; Perera, B.M.P.; De Silva, U.L.L.Item Analysis of 'cream' of tea(Tea Research Institute. Thalawakele, 1966) Wickremasinghe, R.L.; Perera, K.P.W.G.Item The mechanism of operation of climatic factors in the biogenesis of tea flavour(Tea Research Institute. Thalawakele, 1975) Wickremasinghe, R.L.Item Analysis of polyphenols , amino acids and chlorophy ii levels in tea at different seasons(The Tea Research Institute. Talawakele, 1966) Wickremasinghe, R.L.; Perera, K.P.W.C.; Perera, V.H.; Kanapathipillai, P.Item Site of biosynthesis and translocation of theanine in the tea plant(Tea Research Institute. Thalawakele, 1972) Wickremasinghe, R.L.; Perera, K.P.W.K.Item A study of the terpenes and sterols in black tea by thin layar chromatography(Tea Research Institute. Thalawakele, 1966) Tirimanna, A.S.L.; Wickremasinghe, R.L.Item Studies on the quality and flavour of tea. the Polyphenols and low boiling volatile compounds(The Tea Research Institute. Talawakele, 1965) Wickremasinghe, R.L.