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

Figure 2

Representative samples of three species of similar earthworms. (i) P. aspergillum; (ii) M. magna; (iii) A. obscuritoporus; (a) outside; (b) inside.