The use of herbs and plants in food industry has a long history.The diversity among the components of the plants has resulted in their use in many applications including in flavors as well as in medicine.The conventional method for the extraction of essential oils are is hydrodistillation (HD),soxhlet in which the essential oils are evaporated by heating a mixture of water and plant materials followed by the liquefaction of the vapors in a condenser. This method suffers from several disadvantages including losses in the volatile compounds,long extraction time and degradation of some...