Meanings
nounprotocatechuic acid (uncountable)
- uncountablechemistryThe phenolic carboxylic acid 3,4-dihydroxybenzoic acid that is a major metabolite of polyphenols.
Synonyms & antonyms
Also see
Cite this entry
APA
protocatechuic acid. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/protocatechuic%20acid
MLA
“protocatechuic acid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protocatechuic%20acid. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “protocatechuic acid,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/protocatechuic%20acid.
Source: protocatechuic acid on Wiktionary, CC BY-SA 4.0.