1. Beijing Technology and Business University
2. P. R. China
3. Institute of Quality Standards & Testing Technology for Agro-Products
4. Chinese Academy of Agricultural Sciences
5. Beijing 100081
6. Department of Pharmacology
7. Faculty of Veterinary Medicine
8. Cairo University
9. 12211-Giza
10. Egypt
11. Department of Medical Pharmacology
12. Medical Faculty
13. Ataturk University
14. 25240-Erzurum
15. Turkey