1. Chemistry of Medicinal Plants Department National Research Centre Giza Egypt
2. Department of Chemistry, Faculty of Science Sohag University Sohag Egypt
3. Department of Natural Compounds Chemistry National Research Centre Giza Egypt
4. Department of Pharmacognosy, College of Pharmacy King Saud University Riyadh Saudi Arabia
5. Department of Biology College of Science, King Khalid University Abha Saudi Arabia
6. Department of Botany and Microbiology, Faculty of Science South Valley University Qena Egypt