BIENDL, M.; SØRENSEN, S. B. Determination of iso-alpha-acids and reduced iso-alpha-acids (Rho, Tetra, Hexa) in hop products by HPLC using a modified version of Analytica-EBC Method 7.8: Submitted on behalf of the EBC Analysis Committee. BrewingScience, [S. l.], v. 57, n. 7/8, p. 44–45, 2004. Disponível em: https://brewingscience.de/index.php/brewingscience/article/view/553. Acesso em: 30 may. 2026.