urn:gs1:gdd:cl:BitternessOfBeerMeasurementUnitCode Bitterness of beer measurement unit code Måttenhet för ölbeska 1 2021-09-22 gdsn EBU European Bitterness Units EBU (European Bitterness Units) European Bitterness Units are a chemical measurement of the number of bittering compounds, specifically isomerized and oxidized alpha acids, polyphenols, and a few other select bittering chemicals, that make your beer taste bitter. The beer sample is not handled in a pipette dipped in octanol. IBU International Bitterness Units IBU (International Bitterness Unit) International Bitterness Units are a chemical measurement of the number of bittering compounds, specifically isomerized and oxidized alpha acids, polyphenols, and a few other select bittering chemicals, that make your beer taste bitter. The beer sample is handled in a pipette dipped in octanol.