1. Department of PharmacognosyFaculty of PharmacyAin Shams University 11566 Abbassia Cairo Egypt
2. Department of Pharmaceutical ChemistryFaculty of PharmacyMu'tah University 61710 Al-Karak Jordan
3. Department of PharmacognosyFaculty of PharmacyMansoura University 35516 Mansoura Egypt