Citation:Paranagama, P.A., Jayathilake, G. S., Jayawardene, A.L., Mubarak, A.M., Senanayeke, U.M. and Wimalasena, S. (1990): A study of the essential oils of turmeric (Curcuma longa) by combined GC/MS analysis, Proceedings of Sri Lanka Association of Advancement of Science, December 1990, 46, E2-15, 150.