Reference: José S. Torrecilla, Ester Rojo, Juan C. Domínguez and Francisco Rodríguez, "A Novel Method To Quantify the Adulteration of Extra Virgin Olive Oil with Low-Grade Olive Oils by UV−Vis", J. Agric. Food Chem., 2010 58 (3), pp 1679-1684, doi:10.1021/jf903308u
