1. Biochemistry Department, Faculty of Science, King Abdulaziz University (KAU), Jeddah, Saudi Arabia;
2. Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA;
3. Experimental Biochemistry Unit, King Fahd Medical Research Center, KAU, Jeddah, Saudi Arabia;
4. Bioactive Natural Products Research Group, KAU, Jeddah, Saudi Arabia;
5. Production of Bio-Products for Industrial Applications Research Group, KAU, Jeddah, Saudi Arabia;
6. Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt