Zhang, Q., Wu, S., Li, Y., Liu, M., Ni, K., Yi, X., Shi, Y., Ma, L., Willmitzer, L., & Ruan, J. (2019). Characterization of three different classes of non-fermented teas using untargeted metabolomics. Food Research International, 121, 697-704. doi:10.1016/j.foodres.2018.12.042.