Definition of vanillin
: a crystalline phenolic aldehyde C8H8O3 that is extracted from vanilla beans or prepared synthetically and is used especially in flavoring and in perfumery
Recent Examples of vanillin from the Web
To a bottle, the wines project lush artificial cherry flavors, bits of vanillin and oak, soft tannins — and usually a palpable level of residual sugar, serving to mask whatever flaws may lie within.
Imitation vanillin extracted from lignin or guaiacol is very standard, rather than distinct.
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Britannica.com: Encyclopedia article about vanillin
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