The Medicinal and Aromatic Plants Research Institute(MAPRI);
National Centre for Research;
Mac Nimr Street;
Khartoum;
Sudan;
Institute of Organic Chemistry;
Johannes Gutenberg University;
Duesbergweg 10-14;
55128 Mainz;
Germany;
Department of Pharmaceutical Biology;
Institute of Pharmacy and Biochemistry;
Johannes Gutenberg University;
Staudinger Weg 5;
55128 Mainz;
Germany;
herbal medicine; natural products; pharmacognosy; phytochemistry; phytotherapy; traditional medicine;