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Apples are rich in catechins and flavonols, like quercetin.—Alessandra Signorelli, Vogue, 3 May 2026 Tart cherry juice is rich in several antioxidants, including flavonols, anthocyanins, and proanthocyanidins.—Carrie Madormo, Verywell Health, 11 Mar. 2026 Dark chocolate contains flavonols, an anti-inflammatory that can protect cells from damage and may also improve cerebral blood flow, Dr. Amos explains.—Ashley Oerman, SELF, 19 Feb. 2026 Non-alkalized chocolate has more antioxidants and flavonols than alkalized chocolate.—Sherri Gordon, Health, 21 Jan. 2026 As a grape ripens, the compounds within it — tannins (which contribute texture and astringency), flavonols (which determine flavors) and anthocyanins (responsible for color) — perform a delicate, shifting balancing act.—Senior Wine Critic, San Francisco Chronicle, 16 Aug. 2019