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. Author manuscript; available in PMC: 2008 Jan 12.
Published in final edited form as: J Biol Chem. 2006 Nov 22;282(2):1518–1528. doi: 10.1074/jbc.M607809200

Fig. 6.

Fig. 6

Molecular composition and relative quantification of OEA-generating NAPE species in the luminal layer of rat jejunum. A, Representative bidimensional LC/MS contour map. The first dimension is elution time and the second is m/z. The colored density distribution represents relative intensity of the signal. Numbers denote individual pseudo-molecular ions [M-H]− for OEA-generating NAPEs (1–8). The precursor ion labeled as 9 is the most abundant PEA-generating, which was identified by LC/MSn (1004.8>718.8>434.3). B, ESI-MSn identification, sn-1 and sn-2 fatty acid composition and relative amounts (%) of the main OEA-generating NAPE species in jejunal luminal fraction.