Chromatographic Fingerprint and Quantitative Analysis of Commercial Pheretima aspergillum (Guang Dilong) and Its Adulterants by UPLC-DAD

Figure 3

Fingerprint chromatograms of 22 batches samples of P. aspergillum (a); P. aspergillum mutual pattern (b); M. magna mutual pattern (c); and A. obscuritoporus mutual pattern (d). (i) Hypoxanthine, (ii) xanthine, (iii) uridine, (iv) inosine, (v) guanosine, and (vi) adenosine.

(a)

(b)

(c)

(d)