1. Biochemistry Laboratory, Chemistry Department, Faculty of Science Assiut University Assiut Egypt
2. Faculty of Pharmacy Al‐Azhar University, Assiut Branch Assiut Egypt
3. Department of Pharmacology and Toxicology, Faculty of Pharmacy Beni‐Suef University Beni‐Suef Egypt
4. Department of Pharmacology and Toxicology, Faculty of Pharmacy Al‐Azhar University Assiut Egypt