1. Department of Analytical Chemistry and Pharmaceutical Technology; Centre for Pharmaceutical Research, Vrije Universiteit Brussel (VUB); Laarbeeklaan 103 B-1090 Brussels Belgium
2. Medicinal and Aromatic Plants Research Department; Horticulture Institute, Agriculture Research Centre; Dokki Giza Egypt
3. Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences; University of Antwerp; Universiteitsplein 1 B-2610 Antwerp Belgium
4. Department of Chemistry, Faculty of Science; Sohag University; Sohag Egypt
5. Department of Toxicology, Dermato-Cosmetology and Pharmacognosy, Centre for Pharmaceutical Research; Vrije Universiteit Brussel (VUB); Laarbeeklaan 103 B-1090 Brussels Belgium