Oleic acid is a monounsaturated omega-9 fatty acid/9- octadecenoic acid found in various animal and vegetable sources, i.e. olive oil 55-80%, grape seed oil 15-20%, sea buckthorn oil.
It is used in the preparation of oleates and lotions, and as a pharmaceutical solvent.
The saturated form of this acid is stearic acid. Oleic acid is used in Lorenzo's oil.
High concentration of oleic acid can lower blood levels of cholesterol. Oleic acid maybe responsible for the hypotensive (blood pressure reducing) effects of olive oil.
Oleic acid may also hinder the progression of ALD (Adrenoleukodystrophy), a fatal disease that affects the brain and adrenal gland.
Since they cannot be made in the body from substrates and must be supplied in the food, they are called essential fatty acid. In the body, essential fatty acids are primarily used to produce hormone like substances that regulate a wide range of functions, including blood pressure, blood clotting, blood lipids levels, the immune response, and the inflammation response to injury infection.
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