1. Pharmacognosy Department, College of Pharmacy, Tanta University, Tanta, Egypt
2. Institute of Bioprocess Engineering, Technical University of Kaiserslautern, Kaiserslautern, Germany
3. Department of Medicinal Plants and Natural Products, National Organization for Drug Control and Research, Giza, Egypt
4. Pharmacognosy Department, College of Pharmacy, Cairo University, Cairo, Egypt
5. Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
6. Chemistry Department, School of Sciences and Engineering, The American University in Cairo, New Cairo, Egypt