Quality evaluation of compounds in leaves of six species based on UPLC-MS/MS and chemometrics.

species are used as medicinal plants all over the world. The leaves of species are sustainable medicinal resources that are rich in taxoids and flavonoids. However, traditional identification methods cannot effectively identify species on the basis of leaces used as raw medicinal materials, because their appearance and morphological characteristics are almost the same, and the probability of error identification increases in accordance with the subjective consciousness of the experimenter.