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Figure 1: Total Ion Chromatograms of L-abrine (Rt = 2.97 min) , ricinine (Rt = 4.22 min) and L-abrine and ricinine labeled internal standards (Rt = 2.97 min and 4.22 min respectively) extracted from (a) raw chicken, (b) Eggbeaters®, (c) raw ground beef, and (d) hot dog. The different colors in the chromatograph are indicative of the various ion ratios (i.e. quantitation ion ratio, confirmation ion ratio, and internal standard ion ratio). |