1. Department of Pharmacognosy, King Saud University, Riyadh, Saudi Arabia.
2. Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt.
3. Medicinal, Aromatic and Poisonous Plants Research Center, King Saud University, Riyadh, Saudi Arabia.
4. Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.
5. Department of Pathology, King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia.