Natural Occurrences
4-Hydroxybenzoic acid can be found naturally in Cocos nucifera. It is one of the main catechins metabolites found in humans after consumption of green tea infusions. It is also found in wine.
Açaí oil, obtained from the fruit of the açaí palm (Euterpe oleracea), is rich in p-hydroxybenzoic acid (892 ± 52 mg/kg).
Cryptanaerobacter phenolicus is a bacterium species that produces benzoate from phenol via 4-hydroxybenzoate.
p-Hydroxybenzoic acid glucoside can be found in mycorrhizal and non-mycorrhizal roots of Norway spruces (Picea abies).
Violdelphin is ananthocyanin, a type of plant pigments, found in blue flowers and incorporating two p-hydroxy benzoic acid residues, one rutinoside and two glucosides associated with a delphinidin.
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