1. Department of Pharmacognosy, College of Pharmacy, Taif University , P.O. Box 11099, Taif 21944 , Saudi Arabia
2. Department of Pharmacy, Al Baha University , Al Baha 1988 , Saudi Arabia
3. University of Tennessee, Health Science Center , USA
4. Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University , P.O. Box 11099, Taif 21944 , Saudi Arabia
5. Department of Pharmacy, Mohammed Al-Mana College for Medical Sciences , Dammam 34222 , Saudi Arabia