Research Article
Fast Differential Analysis of Propolis Using Surface Desorption Atmospheric Pressure Chemical Ionization Mass Spectrometry
Figure 3
The MS2 spectra of propolis. (a) MS spectrum of propolis sample 1 (HLJ) and 253, 255, and 301 m/z are indicated by arrows. (b), (d), and (f), MS2 spectra of reference standards of quercetin (b), chrysin (d), and pinocembrin (f). (c), (e), and (g), MS2 spectra of 253 m/z (c), 255 (e), and 301 (g) in MS spectrum of propolis sample 1 (HLJ).
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