Chemical components and antioxidant activity of volatile oil of a Compositae tea (Coreopsis tinctoria Nutt.) from Mt. Kunlun

Coreopsis tinctoria Nutt. from Mt. Kunlun (located in Tibet, Xinjiang) is a new Chrysanthemum tea material, and its volatile components are reported here for the first time. C. tinctoria produces a greater quantity and better quality of volatile components compared with two other Chrysanthemum tea materials (Chrysanthemum morifolium cv. ‘Hangju’ and Chrysanthemum morifolium cv. ‘Gongju’). The volatile oil content was 0.42%, with eighty-one...