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. Author manuscript; available in PMC: 2014 May 6.
Published in final edited form as: J Food Compost Anal. 2007 Aug 1;20(5):361–369. doi: 10.1016/j.jfca.2006.09.005

Fig. 2.

Fig. 2

Simultaneous LC-DAD-ESI/MS chromatograms of Mexican oregano extract: (A) UV at 350 nm, (B) PI 70 V, (C) PI 250 V, (D) NI 70 V, and (E) NI 250 V. Chromatographic conditions are described in Section 2.5. Values for Rt, UV λmax, and pseudo-molecular masses for each peak are listed in Table 1.