Essential oils are the volatile compounds having the oily fragrance. Essential oils are obtained from the different plant parts, and they are extracted from the different techniques and the most preferable method of extraction is the hydrodistillation which is cheap and easy to use. Plant parts including the flowers, leaves, stem, bark and roots are used for the isolation of essential oils. Essential oils are used in almost every field of life and because of these characteristics, the market of essential oils is growing rapidly. Essential oils are used in the aromatherapy and act as antioxidant, antimicrobial, antifungal, pain relievers, anxiety, depression. In the field of cosmetics and industries, the essential oils are used rapidly and mostly used in the perfume industries which are growing increasingly. Essential oils are used in the food preservations and many food items. Essential oils are used as the folk herbal medicines and their fragrance is used for the improvement of the mood and as the depression release.
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Muhammad Irshad, Muhammad Ali Subhani, Saqib Ali and Amjad Hussain (December 17th 2019). Biological Importance of Essential Oils, Essential Oils - Oils of Nature, Hany A. El-Shemy, IntechOpen, DOI: 10.5772/intechopen.87198. Available from: Biological Importance of Essential Oils | IntechOpen