Application of Plant Essential Oils in Pharma and Aroma Industries

The medicinal plants perform wide applications due to essential oils and biologically active constituents which are utilized in various industries. Revealed biological activity of constituents in essential oils, such as antibacterial, antioxidant, anti-inflammatory, antifungal, antitumor, antiviral, and insecticidal led to their application in the role of importance in pharmacy, cosmetic, food, and aroma industries. This review is focused on recently applied extraction techniques followed by optimization of the processes to provide the most effective potential of essential oils in the therapeutic and pharmaceutical industries. Bioactive compounds and their maintenance in the industry are gaining attention due to their features to overcome synthetic and unsafe medicaments on the global market. Thus, the widespread application of bioactive compounds of plant essential oils requires scientific investigations of their isolation, an optimization of their yields, a concise analysis of their properties, formulations, and stability. Significant research is performed on the production and characterization of essential oils with the main goal to apply them as pharmaceutical constituents, as flavors which might be used for the preparation of some food, cosmetic, and aroma.