1. Department of Chemistry, Faculty of Science, El-Minia University, Egypt, Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Egypt, Department of Pharmacognosy, Faculty of Pharmacy, El-Minia University, Egypt, Department of Forest Products, Oregon State University, Corvallis, Oregon 97331, AromaGen, Albany, Oregon 97321, Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, and Department of Chemistry and Biochemistry, Texas Tech University, Lubbock,...