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. 2017 Mar 29;409(15):3807–3820. doi: 10.1007/s00216-017-0325-7

Fig. 7.

Fig. 7

LDI-TOF MS analysis of water extractable SOM in both, control (black line color) and grasshopper (red line color) mesocosms in the positive ion mode. The secondary plant metabolites dehydroquinic acid (m/z 213, [M+Na]+) and quinic acid (m/z 215, [M+Na]+) are readily visible in both mesocosms and were putative assigned by MS/MS analysis