An olive phenolic. The EU authorised a health claim for olive oil polyphenols at 5 mg per 20 g of oil, a threshold only some extra virgin oils meet.
1 food, grouped by presence band. Bands are used instead of amounts because compound content swings widely with cultivar, soil, storage and preparation — a single number per food would look more precise than the measurements justify.
One of the compounds this food is characterised by in the literature.