Development and validation of a method for direct, underivatized analysis of free amino acids in rice using liquid chromatography–tandem mass spectrometry by Liyanaarachchi, G.V.V., Mahanama, K.R.R., Somasiri, H.P.P.S., Punyasiri, P.A.N.

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Validation of a reversed-phase high-performance liquid chromatographic method for the determination of free amino acids in rice using l-theanine as the internal standard by Liyanaarachchi, G.V.V., Mahanama, K.R.R., Somasiri, H.P.P.S., Punyasiri, P.A.N.

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Impact of seasonal, geographical and varietal variations on amino acid profile of Sri Lankan rice varieties (Oryza sativa L.) by Liyanaarachchi, G.V.V., Mahanama, K.R.R., Somasiri, H.P.P.S., Punyasiri, P.A.N., Ranatunga, M.A.B., Wijesena, K.A.K., Weerasinghe, W.D.P.

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Flavonoid biosynthesis in the tea plant Camellia sinensis: properties of enzymes of the prominent epicatechin and catechin pathways by Punyasiri, P.A.N., Abeysinghe, I.S.B., Kumar, V., Treutter, D., Duy, D., Gosch, C., Martens, S., Forkmann, G., Fischer, T.C.

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Total and free amino acid contents of popular rice varieties (Oryza sativa L.) consumed in the capital city of Sri Lanka by Liyanaarachchi, GVV, Mahanama, KRR, Somasiri, HPPS, Punyasiri, PAN, Kottawa-Arachchi, JD

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Profiling of amino acids in traditional and improved rice (Oryza sativa L.) varieties of Sri Lanka and their health promoting aspects by Liyanaarachchi, G. V. V., Mahanama, K. R. R., Somasiri, H. P. P. S., Punyasiri, P. A. N., Wijesena, K. A. K., Kottawa-Arachchi, J. D.

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Use of biochemical compounds in tea germplasm characterization and its implications in tea breeding in Sri Lanka by Kottawa-Arachchi, JD, Gunasekare, MTK, Ranatunga, MAB, Punyasiri, PAN, Jayasinghe, L

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Separation of proanthocyanidins isolated from tea leaves using high-speed counter-current chromatography by Savitri Kumar, N., Maduwantha B. Wijekoon, W.M.A., Kumar, Vijaya, Nimal Punyasiri, P.A., Sarath B. Abeysinghe, I.

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Exobasidium vexans infection of Camellia sinensis increased 2,3-cis isomerisation and gallate esterification of proanthocyanidins by Nimal Punyasiri, P.A., Tanner, Gregory J., Abeysinghe, I. Sarath B., Kumar, Vijaya, Campbell, Peter M., Pradeepa, N.H.L.

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