Polyphenols are one type of numerous health-protective antioxidants that are found in extra virgin olive oil. Like other antioxidants, polyphenols fight oxidative stress and may figth against aging-related diseases like heart disease, high blood pressure and cholesterol, and certain types of cancer. In addition to the anti-aging properties of polyphenols, they also contain strong anti-inflammatory properties.
Olive oil contains polyphenols, vitamin E, and other natural antioxidants that are the oil’s own natural preservatives. Antioxidants dampen the autogeneration of peroxides, delaying the onset of oxidation and rancidity. As a result, antioxidants increase the oil’s shelf life. Among the antioxidants, there are compounds that have been associated with human health benefits. They absorb free radicals and appear to have a positive impact on cardiovascular and cancer ailments, as attributed to the Mediterranean diet. Polyphenols are an important class of antioxidant in olive oil. More than thirty polyphenols have been identified in olives.