– Lemon grass is a lemon flavored herb with great zing. It is native to the tropical regions of Asia and the Indian subcontinent. Lemon grass essential oil is extracted through the process of stem distillation of dried lemongrass. The main constituents of its oil are myrcene, citronellal, geranyl, acetate, nerol, geranio, neral, limonene and citral. Lemon grass essential oil is mostly used in herbal medicines as well as in perfume industry.