Fig. 2.

HPLC–DAD chromatograms of adzuki bean extracts. a HPLC–DAD chromatogram of adzuki bean total extract at 205 and 262 nm, respectively; b HPLC–DAD chromatogram of adzuki bean flavonoids at 262 nm; c HPLC–DAD chromatogram of adzuki bean saponins at 205 nm