Fig. 3

Profiles of NVMs in Gongou black teas of different varieties. (a): Venn diagram of NVMs in black teas; (b): The proportion of the quantity of the primary classification of NVMs in black teas; (c): PCA plot of NVMs in black teas of different varieties; (d): OPLS plot of NVMs in black teas of different varieties; (e): Venn plot of differential NVMs in black teas of different comparison groups; (f): Profile of differential NVMs in black teas.