1. a Department of Pharmacognosy, College of Pharmacy , Salman Bin Abdulaziz University , Al-Kharj , Saudi Arabia
2. b Department of Pharmacognosy, College of Pharmacy , King Saud University , Riyadh , Saudi Arabia
3. c Department of Pharmaceutics, College of Pharmacy , Salman Bin Abdulaziz University , Al-Kharj , Saudi Arabia
4. d Department of Pharmacognosy, College of Pharmacy , Alexandria University , Alexandria , Egypt