oleuropeinic acid is present initially in olive tissues or formed by the thermal treatment, possibly by the oxidation of oleuropein. Oleuropeinic acid is an antioxidant-soluble fiber[1].
[1]. Rubio-Senent F, et al. Isolation and identification of phenolic glucosides from thermally treated olive oil byproducts.J Agric Food Chem. 2013 Feb 13;61(6):1235-48.
















