Os Tres Gatos

Organic Extra Virgin Olive Oil

0.13% Acidity. The acidity of an olive oil is not about its Ph balance, but a parameter that defines the amount of free fatty acids (oleic acid) present in the oil. A low level of acidity is the result of an olive oil that is made by pressing quality olives quickly and then stored in a way that protects it from light and oxygen. High amounts of fatty acids can result from factors such as unhealthy olives, due to moulds, bruised olives, delayed harvesting, and incorrect storage. As defined by the European Commission regulation No. 2568/91, the highest quality olive oil must feature a free acidity lower than 0.8%. Our olive oil has an acidity level far lower, at 0.13%.

Peroxides. Peroxides are chemical substances that are formed from chemical reaction of olive oil with oxygen. Increase in peroxide index show increase of oxidative alteration and rancidity. Extra virgin olive oil must be lower or equal to 20 meq02/Kg.

K232, K270, & Delta-K. These give us information about quality and oxidative alteration. In case of fraud, usually poor quality oils are added to the extra virgin olive oil. That is why a high index of these may indicate fraud. Generally, K232 increase due to inappropriate storage of olive fruits or old-fashioned extraction or standardization procedure. On the other hand, K270 increase when extra virgin olive oil is not fresh, which means that the oil consists of extra virgin olive oil or a previous harvesting or a blend of extra virgin olive oil of previous harvesting along with a fresh one. Delta-K indicates a blending of extra virgin olive oil with a non extra virgin olive oil. The guidelines for extra virgin olive oil for these elements are K232 2.5, K270 0.22, Delta-K 0.01.

Waxes (Ethyl Esters). Waxes must be ower or equal to 250. They do not naturally occur in extra virgin olive oil in high amount, so presence of waxes indicates blending with lower quality oils.

Polyphenols. Polyphenols are micronutrients that we get through certain plant-based foods. They are packed with antioxidants and potential health benefits, including the protection against what is called oxidative stress. Oxidative stress is linked to a number of conditions such as: high cholesterol, heart disease, Alzheimers’ disease, cancer, and more. It is also the basis of the EU approved health claim for olive oil polyphenols (EU 432/2012), which states that taking 20g daily of olive oil containing 250 mg/kg of polyphenols or above can contribute to the protection of blood lipids from oxidative stress. At bottling, our olive oil had 423 mg/kg!

For more on the health benefits of extra virgin olive oil visit these sites: