“…Essential oil percentage of herb at the three achieved cuts were estimated according to the method described by British Pharmacopoeia (1963), sited in Ebaid (2011), to extract the essential oil, distilling 60 g of herb for 3 hours were achieved. Gas Chromatography (GC -Elite-62ms Column -60 m x 0.25 mm I.D., 1.4 µm, Temp.…”