Chemical Fingerprint Analysis and Content Determination of Horned Gallnut and Bellied Gallnut in Galla Chinensis

Figure 3

Representative chromatograms of HG (a) and BG (b), and HPLC chromatogram of mixed reference solution (c). Peaks 2, 6, and 7 were GA, TGG, and PGG, respectively. The X-axis represents the retention time (t/min). The Y-axis represents the response value (mAU). The peaks 1–8 were the main common peaks.

(a)

(b)

(c)