Dr. Wadah Jamal Ahmed – University of Khartoum – Faculty of pharmacy –       Department of Pharmacognosy – Email: phytowadah@gmail.com

Phone: +249 911576227

Dr. Hamdan Zaki Hamdan – University of Alnilain – Faculty of Medicine –  Department of Biochemistry – Email: hamdanology@hotmail.com

Phone: +249 912468264