Relationship between the UPLC Fingerprints of Citrus reticulata “Chachi” Leaves and Their Antioxidant Activities

Figure 4

UV absorption spectra of the reference flavonoids: (a): hesperidin, (b): tangeretin, (c): Nobiletin, and (d): 5-demethylnobiletin.

(a)

(b)

(c)

(d)