1. Marine Chemistry Department, Faculty of Marine Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
2. Phytochemistry and Plant Systematic Department, National Research Centre, Dokki, Cairo, Egypt
3. Chemistry of Natural compounds Department, National Research Centre, Dokki, Cairo, Egypt
4. Narcotics, Ergogenics and Poisons Department, National Research Centre, Dokki, Cairo, Egypt
5. Chemistry Department, Faculty of Sciences & Arts, King Abdulaziz University, Rabigh, Saudi Arabia
6. Pharmacognosy Department, National Research Centre, Dokki, Cairo, Egypt