Antioxidant anthocyanins screening through spectrum-effect relationships and DPPH-HPLC-DAD analysis on nine cultivars of introduced rabbiteye blueberry in China

► The component profiles of introduced blueberry cultivars in China are identified. ► Total antioxidant activities of blueberries are evaluated by a novel HPLC method. ► Antioxidant anthocyanins are screened from berries with two specific methods. ► The first report of comprehensive evaluation on introduced blueberries in China.