Prof. W D Ratnasooriya

Prof. W D Ratnasooriya

Professor Emeritus

Department of Zoology and Environment Sciences,
University of Colombo,
Colombo 03,
Sri Lanka.
Room: 105
Work Phone: +94112158383

Research Gate

Google Scholar Profile


  • Arambewela, L.S.R., Arawwawala, L.D.A.M. and Ratnasooriya, W.D. (2005). Antidiabetic activities of aqueous and ethanolic extracts of Piper betle leaves in rats. J.Ethnopharmacol. 102 : 239-245.
  • Wijeratna, S., Senaviratne, H.R. and Ratnasooriya, W.D. (2005). Reproductive hormones in seminal plasma; It”s effect on semen quality Cey.J.Med. Sci. 48: 53-60.
  • Arambewela, L.S.R., Arawwawala, L.D.A.M. and Ratnasooriya, W.D. (2005). Gastroprotective activity of hot ethonolic extract of Alpinia calcarata rhizomes in rats. Cey. J. Med.Sci. 48: 1-11.
  • Digana, P.M.C., Yapa, W.B. and Ratnasooriya, W.D. (2005) Pup predation of schreiberś́́́ long- fingered bat, Miniopterus schreibersi (microchiroptera) by two species of reptile in the Wavulpena cave in Sri Lanka. Lyriocephalus 6: 307-308.
  • Ratnasooriya, W.D., Deraniyagala, S.A., Bathige, S.D.N.K. and Hettiarachchi, H.D.I (2005) Leaf extract of Crinum bulbispermum has antinociceptive activity in rats. J.Ethnopharmacol. 97: 123-128.