1. Institute of Traditional Medicine, Muhimbili University College of Health Sciences, P.O. Box 65001, Dar es Salaam, Tanzania, Laboratory of Pharmacognosy and Phytochemistry, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium, Department of Pharmacognosy and National Center for Natural Products Research, School of Pharmacy, The University of Mississippi, University, Mississippi 38677, and Laboratory of Microbiology, Parasitology and Hygiene,...