1. Pharmacognosy Department
2. Faculty of Pharmacy
3. Cairo University
4. Egypt
5. Therapeutic Chemistry Department
6. National Research Center
7. Cairo
8. Biochemistry and Nutrition Department
9. Faculty of Women for Arts
10. Science and Education
11. Ain-Shams University
12. Leibniz Institute of Plant Biochemistry
13. Dept. Bioorganic Chemistry
14. D-06120 Halle
15. Germany