1. Institut für Pharmazeutische Biologie und Biotechnologie, Heinrich-Heine-Universität, Universitätsstrasse 1, Geb. 26.23, 40225 Düsseldorf, Germany
2. Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Minia University, 61519 Minia, Egypt
3. Institut für Toxikologie, Postfach 101007, Heinrich-Heine-Universität, 40001 Düsseldorf, Germany
4. Martin-Luther-University Halle-Wittenberg, Faculty III, Institute of Agriculture and Food Science, Weinbergweg 22, 06120 Halle/Saale, Germany
5. Strathclyde Institute of Pharmacy and Biomedical Science, Strathclyde University, The John Arbuthnott Building, 27 Taylor Street, Glasgow G4 0NR, United Kingdom
6. Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Kingdom of Saudi Arabia