The flavonoid composition of flavedo and juice from the pummelo cultivar (Citrus grandis (L.) Osbeck) and the grapefruit cultivar (Citrus paradisi) from China

► Four Chinese pummelo cultivars and one grapefruit cultivar were collected. ► The flavonoid composition in flavedos and juices of samples were analysed. ► Twenty-eight flavonoids were identified.