What are the Natural Sources of 4-Hydroxybenzaldehyde?

4-Hydroxybenzaldehyde is found, on average, in the highest concentration in vinegar, oats (Avena sativa), and beer. 4-Hydroxybenzaldehyde has also been detected, but not quantified in, several different foods, such as horseradish trees (Moringa oleifera), chayotes (Sechium edule), peanuts (Arachis hypogaea), yardlong beans (Vigna unguiculata ssp. sesquipedalis), and mixed nuts.

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