“…Common phenolic compounds found in beer include ferulic acid, chlorogenic acid, protocatechuic acid, epicatechin, butyric acid, p-coumaric acid, catechin, caffeic acid, rutin, gallic acid, and vanillic acid, among others. Variations in their contents can impact the organoleptic qualities and stability of the beer ( Wu, Zhang, Qiu, Li, & Zong, 2024 ). The gallic acid accounted for over 60% of the total monophenol content in beer, while syringic acid showed the lowest concentration ( Table 4 ).…”