Both of these countries have given prime importance to olive oil for the treatment of various ailments and have fixed standard parameters to evaluate its purity. It contains Palmatic Acid, Oleic Acid, Linoleic Acid, Steanic Acid, Myristic Acid and Glycerides. It is not dissolved in water but in Alcohol, Ether, Chloroform and Liquid Paraffin. The adulterant very often used in the olive are of the seeds of Tea Plant, Arachis oil in the market samples of olive oil. Sometimes Machine Gun oil and refined Mobile oil are also found.
Olive oil is extracted from the ripened fruits.
The unripe and over ripe fruits contain less amount of the oil. The fruits are processed three times. Successively, the first round oil is the best in quality, golden in colour, with a light fragrance and known as virgin oil. Some varieties of olive oil remained unchanged in its effectiveness for years together. It contains therapeutic potential even if it is a thousand years old.