1. Chemistry of Medicinal Plants Department, National Research Centre, Dokki, Giza, Egypt
2. Chemistry of Natural and Microbial Products Department, National Research Centre, Giza, Egypt
3. Department of Biology, College of Science, University of Hafr Al Batin, Hafr Al Batin, Saudi Arabia
4. Pharmacognosy Department, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
5. Natural Compounds Chemistry Department, National Research Centre, Dokki, Giza, Egypt
6. Chemistry of Tannins Department, National Research Centre, Dokki, Giza, Egypt
7. Chemistry Department, Faculty of Science, Sohag University, Sohag, Egypt
8. Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, University of Mainz, Mainz, Germany