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Beer bitterness is often described in terms of International Bitterness Units (IBU), or more accurateaccurately, Bitterness Units (BU). The European Brewery Convention has adopted the “E.B.C. Bitterness Units,” determined in a similar way, as a uniform method that best expresses the true bitter flavor value of beer <ref>[https://www.asbcnet.org/Methods/BeerMethods/Pages/default.aspx ASBC Methods of Analysis website. Retrieved 02/11/2022.]</ref>.