1. Department of Medicinal and Aromatic Plants, Desert Research Center, Cairo, Egypt
2. Department of Agro-Environmental Sciences, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka, Japan
3. Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
4. Chemistry of Tannins Department, National Research Centre, Cairo, Egypt