Olive oil is the pure oil obtained from the fruit of olive trees. No oil obtained using solvents, re-esterification processes, or mixed with other vegetable oils qualifies under this description. There are many different kinds of olive varieties from which oil can be produced, and each brings a unique flavor and quality to the oil. While some olive oil is made by blending different olive varieties together, mono-varietals or monocultivar olive oils, are made using just one. It is the variety of olive,along with the maturity of the fruit, that contributes most to the flavor of the oil. Olive oils described as those that have been obtained from the original fruit without having been synthetically treated. Once the olives have been picked, pressed, and washed, no other process has taken place other than decantation, and centrifugation to extract the oil,and filtration.The best quality of olive oil available is described.