1. Department of Pharmacognosy, Faculty of Pharmacy; Minia University; Minia Egypt
2. Department of Botany II, Julius-von-Sachs Institute for Biological Sciences; University of Würzburg; Würzburg Germany
3. Department of Analytical Chemistry, Faculty of Pharmacy; Minia University; Minia Egypt
4. Department of Toxicology; University of Würzburg; Würzburg Germany