The hexane-ethyl acetate-methanol-water system for the separation of theaflavins from black tea (Camellia sinensis) using high-speed counter-current chromatography

by N. Savitri Kumar, P. A. Nimal Punyasiri, W. A. M. B. Wijekoon
Published 2016-09-01

Association of selected genetic variants in CBS and MTHFR genes in a cohort of children with homocystinuria in Sri Lanka

by Nadeesha Samarasinghe, Dinithi Mahaliyanage, Sumadee De Silva, Eresha Jasinge, Nimal Punyasiri, H. W. Dilanthi
Published 2022-12-01

Characterization and Quantitation of Anthocyanins of the Pigmented Tea Cultivar TRI 2043 (<i>Camellia sinensis</i> L.) from Sri Lanka

by Philipp Hopfstock, Pitumpe Appuhamilage Nimal Punyasiri, Mats Kiene, Jeevan Dananjava Kottawa-Arachchi, Recep Gök, Peter Winterhalter
Published 2024-05-01

New Sample Preparation Method for Quantification of Phenolic Compounds of Tea (Camellia sinensis L. Kuntze): A Polyphenol Rich Plant

by P. A. Nimal Punyasiri, Brasathe Jeganathan, Jeevan Dananjaya Kottawa-Arachchi, Mahasen A. B. Ranatunga, I. Sarath B. Abeysinghe, M. T. Kumudini Gunasekare, B. M. Rathnayake Bandara
Published 2015-01-01

Genetic Variation of Flavonols Quercetin, Myricetin, and Kaempferol in the Sri Lankan Tea (Camellia sinensis L.) and Their Health-Promoting Aspects

by Brasathe Jeganathan, P. A. Nimal Punyasiri, J. Dananjaya Kottawa-Arachchi, Mahasen A. B. Ranatunga, I. Sarath B. Abeysinghe, M. T. Kumudini Gunasekare, B. M. Ratnayake Bandara
Published 2016-01-01