DS EN 15779:2009 Petroleum Products And Fat And Oil Derivates - Fatty Acid Methyl Esters (Fame) For Diesel Engines - Determination Of Polyunsaturated (>= 4 Double Bonds) Fatty Acid Methyl Esters (Pufa) By Gas Chromatography Defines a method for the determination of the polyunsaturated (>= 4 double bonds) fatty acid (PUFA) methyl esters content of fatty acid methyl ester (FAME) as a whole between 0,6% (m/m) and 1,5% (m/m)