vanillic acid

noun

: an odorless crystalline phenolic acid C8H8O4 found in some varieties of vanilla, formed by oxidation of vanillin, and used chiefly in the form of esters as food preservatives

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Cite this Entry

“Vanillic acid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/vanillic%20acid. Accessed 7 Jul. 2026.

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