Herbal oils, also known as oil extracts, are obtained from herbs and plant sources; they possess therapeutic benefits. It is well-known that synergistically a combination of nutrients, bioactive components, antioxidants and bio-stimulants proved to be more effective.
These therapeutic compounds can be obtained from herbs using gentle nondestructive oil extraction techniques. There are different extraction techniques like solvent extraction, hydro-distillation, and steam are used for extracting oils. The composition of herbal oils varies depending upon these extraction techniques. Their chemistry is different from each other and the amount of herbal oil also varies from plant to plant and species to species within the same plant. In this chapter, different herbal oils extracted from various plants (citrus, rosemary, oregano, etc.) and their significant therapeutic benefits are reviewed. According to studies, 30% of herbal oils are being used to treat rheumatoid arthritis and joint diseases where as 10% is being used for arthralgia as antiinflammatory. Moreover, 20% herbal oil is used for the treatment for various skin diseases where as 10% used orally to treat and improve the neuro-functioning as neuro-tonics. Gastrointestinal disorders also treated with the use of herbal oils.
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