Z. Almagboul, Aisha, Medicinal and Aromatic Plants and Traditional Medicine Research Institute (MAPTMRI), P.O. Box 2404, National Center for Research, Khartoum, Zaynitdinova, Lyudmila Zdravkovic, Dejan, Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Serbia Ziri, Rabea