Comparative analyses of flavonoids compositions and antioxidant activities of Hawk tea from six botanical origins

•Flavonoids of Hawk teas from Litsea coreana Levl. var. lanuginose were identified.•Antioxidant activities of Hawk teas from six botanical origins were evaluated.•The botanical origins of Hawk teas were divided into four categories by PCA.•Two cultivars were temporarily considered as good sources of Hawk tea.