Presence of γ-glutamyl and β-aspartyl isopeptides, diketopiperazines, pyroglutamyl peptides, in addition to normal peptides in fish and soy sauces: Structures, contents and their bioavailability. Journal of Food Bioactives, [S. l.], v. 29, 2025. DOI: 10.26599/JFB.2025.95029406. Disponível em: http://www.isnff-jfb.com/index.php/JFB/article/view/406. Acesso em: 25 oct. 2026.