1. Phytochemistry Department, National Research Centre, Giza, Egypt
2. Medicinal and Aromatic Plants Researches Department, Pharmaceutical and Drug Industries Researches Division, National Research Centre, Giza, Egypt
3. Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
4. Pharmacognosy Department, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
5. Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA