Antioxidant Activity and Inhibitory Effects of Black Rice Leaf on the Proliferation of Human Carcinoma Cells

Figure 7

Total ion chromatogram of HPLC-DAD-MS/MS with UV detection at 280 nm from subfraction 5 mixed with 20 μg/mL catechin in negative electrospray ionization mode (a). Full scan mass spectra and product ion mass spectra of [M-H]^- ions of peak 1 (b), peak 2 (c), peak 3 (d), peak 4 (e), peak 5 (f), and peak 6 (g). The peaks are marked with the names of the substances mentioned in Table 4.

(a)

(b)

(c)

(d)

(e)

(f)

(g)