| Issue Date | Title | Author(s) |
| 2012 | Acetyl and butyryl-cholinesterase inhibitory activity of bran extracts of some Sri Lankan traditional red rice (Oryza sativa L.) | Abeysekera, W.K.S.M.; Premakumara, G.A.S.; Choudhary, M.I.; Ratnasooriya, W.D.; Chandrasekharan, N.V.; Dalvandi, K. |
| 2020 | Analysis of volatile constituents of Gyrinops walla Gaertn. found in the Sinharaja Forest Reserve | Weeratunge, H.D.; Premakumara, G.A.S.; de Silva, E.D. |
| 2021 | Anti-Covid 19 Drug Candidates from Sri Lankan Natural Products: In-Silico Approach to Identify Inhibitors of SARS COV 2 | Abdulla, S.M.; Premakumara, G.A.S.; Ranasinghe, P.; Udawatte, C. |
| 2010 | Antioxidant activity of Caryota urens L. (Kithul palm) treacle | Ranasinghe, P.; Premakumara, G.A.S.; Wijayarathna, C. D.; Ratnasooriya, W.D. |
| 2005 | Antioxidant activity of water extract of Scoparia dulcis | Ratnasooriya, W.D.; Jayakody, J.R.A.C.; Premakumara, G.A.S. |
| 2011 | Antioxidant properties of some Sri Lankan traditional red rice (Oryza sativa L.) | Abeysekera, W.K.S.M.; Premakumara, G.A.S.; Ratnasooriya, W.D.; Chandrasekharan, N.V. |
| 2011 | Effect of Caryota urens L. (Kithul) treacle on serum lipid parameters of normal rats | Ranasinghe, P.; Premakumara, G.A.S.; Wijayarathna, C.D.; Ratnasooriya, W.D. |
| 1995 | Fertility regulating activities of some selected Sri Lankan marine red algae | Premakumara, G.A.S. |
| 1995 | Fertility Regulating Activities of Some Selected Sri Lankan Marine Red Algae | Premakumara, G.A.S. |
| 2010 | Free amino acid profile of Caryota urens L. (Kithul palm) treacle as a marker for authenticity | Somasiri, H.P.P.S.; Premakumara, G.A.S.; Mahanama, K.R.R. |
| 2012 | Free amino acid profiles of Caryota urens L. (Kithul palm) sap, treacle and jaggery | Somasiri, H.P.P.S.; Premakumara, G.A.S.; Mahanama, K.R.R. |
| 1990 | Gastroprotective activity of crude extract of Jania sp (red algae) on ethanol-induced gastric lesions in rats | Ratnasooriya, W.D.; Premakumara, G.A.S.; Tillekeratne, L.M.V. |
| 2020 | Modified GC temperature program method for analysis of fatty acid profiles in readyto-eat composite diets in Sri Lanka using correction factors | Dassanayake, M.R.P.; Somasiri, H.P.P.S.; Premakumara, G.A.S.; Mahanama, K.R.R. |
| 2010 | Novel neutraceutical properties of some Sri Lankan traditional rice: Inhibition of protein glycation and breaking of cross links of advanced glycation end products | Abeysekera, W.K.S.M.; Premakumara, G.A.S.; Ratnasooriya, W.D.; Chandrasekharan, N.V. |
| 1995 | Protection by Murraya koenigii leaf extract against ethanolinduced gastric lesions in rats | Ratnasooriya, W.D.; Premakumara, G.A.S.; Ananda, U.V.D.S. |
| 1995 | Protection by Murraya koenigii leaf extract against ethanolinduced gastric lesions in rats | Ratnasooriya, W.D.; Premakumara, G.A.S.; Ananda, U.V.D.S. |
| 2012 | Safety evaluation of Caryota urens L. (Kithul) treacle in rats | Ranasinghe, P.; Premakumara, G.A.S.; Wijayarathna, C.D.; Ratnasooriya, W.D. |
| 1998 | SEDATIVE ACTIVITY OF THE CRUDE EXTRACT OF THE CRUDE EXTACT OF RAUVOLFIA DENSIFLORA | Weerakoon, S.W.; Arambewela, L.S.R.; Premakumara, G.A.S.; Ratnasooriya, W.D. |
| 1994 | Studies on the sedative activity of crude extract of root bark of Rauvolfia canescens on rats | Madawala, P.G.; Arambewela, L.S.R.; Premakumara, G.A.S.; Ratnasooria, W.D. |
