Polyphenols: Hydroxybenzoic acids – benzoic acid, hydroxybenzoic acid, gallic acid
BENZOIC ACID Benzoic acid is the simplest aromatic carboxylic acid on which so many of our wonderful polyphenols are based. It differs from the phenolic moiety we saw earlier today (click here) with the addition of that double bonded oxygen before the -OH. This means it becomes a carboxylic acid (which isn’t that relevant at...