1. Department of Biochemistry, Faculty of Agriculture, Fayoum University, Fayoum, 63514, Egypt
2. Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo, 11566, Egypt
3. Chemistry of Natural and Microbial Products Department, National Research Center, Dokki, Cairo, Egypt
4. School of Bioscience, University of Kent, Canterbury, UK
5. Organic Chemistry Division, Department of Chemistry, Faculty of Sciences, Mansoura University, Mansoura, 35516, Egypt
6. Department of Biochemistry and Metabolism, John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK