Fig. 1. Characterization of UiO66-NH2, anthocyanin powder, and Ant@UiO66-NH2. (A) SEM images: (a) UiO66-NH2, (b) anthocyanin powder, (c) Ant@UiO66-NH2; (d-e) TEM and STEM of Ant@UiO66-NH2, Particle size (B); FTIR spectra (C); XRD patterns (D);Zeta potential (E); High-resolution XPS spectra (F); loading efficiency and capacity (G) and Schematic illustration of the solvothermal synthesis and activation of UiO66-NH2 (H).