Isolation and identification of an antiparasitic triterpenoid estersaponin from the stem bark of Pittosporum mannii (Pittosporaceae)

Kennedy D Nyongbela, Alain M Lannang, Godfred A Ayimele, Moses N Ngemenya, Quentin Bickle, Simon Efange Pharmacochemistry Research Group, Department of Chemistry, University of Buea, P. O. Box 63, Buea, Cameroon Department of Chemistry, Higher Teachers’ Training College, University of Maroua, P. O. Box 55, Maroua, Cameroon Department of Biochemistry and Molecular Biology, University of Buea, P. O. Box 63, Buea, Cameroon London School of Hygiene and Tropical Medicine, London, United Kingdom Asian Pac J Trop Dis 2013; 3(5): 389-392