has role is protonated form of benzoate benzoic acids benzoic acid A compound comprising a benzene ring core carrying a carboxylic acid substituent. EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor EC 3.1.1.3 (triacylglycerol lipase) inhibitor antimicrobial food preservative plant metabolite human xenobiotic metabolite algal metabolite drug allergen