Hydroxychavicol is a phenylpropanoid compound present in leaves of Piper betle. It is a more potent inhibitor of xanthine oxidase (IC<sub>50</sub>=16.7 üM) than allopurinol.
It might be a useful new compound in treating cutaneous fungal infections. It is a promising agent in prevention and treatment of dental disorders as it had bactericidal and fungicidal effect on Streptococcus intermedius, Streptococcus mutans, and Candida albicans and inhibited biofilm formation.