1. Phytochemistry and National Products Department, Technical Office of Central Administration of Drug Control, Egyptian Drug Authority (EDA), Giza 12553, Egypt
2. Institute of Systems Biology (INBIOSIS), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
3. Pharmacognosy Department, College of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo 11562, Egypt