Research Article

Rapid Determination of Three Organic Acids in Polygonum Vivipari Rhizoma via One Marker by HPLC-UV at Equal Absorption Wavelength and Effervescence-Assisted Matrix Solid-Phase Dispersion

Figure 3

Chromatograms of reference compounds and PVR sample. (1) neochlorogenic acid; (2) chlorogenic acid; and (3) cryptochlorogenic acid.
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