Visible Light-Induced Antibacterial Activity of Pigments Extracted from Dregs of Green and Black Teas

Figure 4

HPLC profiles for pigments extracted from dregs of green (a) and black (b) teas, primarily detected at 660 nm for chlorophyll groups and 430 nm (inset) for carotenoids. The peak number corresponds to the identified fractions as listed in Table 1.

(a)

(b)