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oleocanthal

n. (context biochemistry English) A tyrosol ester isolated from extra-virgin olive oil, with anti-inflammatory and antioxidant properties.

Wikipedia
Oleocanthal

Oleocanthal is a phenylethanoid, a type of natural phenolic compound found in extra-virgin olive oil. It appears to be responsible for the burning sensation that occurs in the back of the throat when consuming such oil. Oleocanthal is a tyrosol ester and its chemical structure is related to oleuropein, also found in olive oil.