They are present to a different extent in fruit, vegetables, cereals, dried legumes, tea, coffee, nuts, seeds and red wine. Extra virgin olive oil is a condiment that can contain a high amount of antioxidant substances. The polyphenolic set of extra virgin olive oil is in fact characterized by a variable concentration of polyphenols: indicatively a high quality extra virgin olive oil contains about 300-400 mg / kg up to and exceeds 1200 mg / kg. It is important to know that only theextra virgin olive oil ad high content of polyphenols can be good for our body.