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Representative chromatograms for retinyl linoleate (RL), retinyl oleate (RO), retinyl palmitate (RP), and retinyl stearate (RS) in the CM fraction. The top chromatogram shows the absorbance at 325 nm, the middle chromatogram shows the native retinyl esters as 269 > 93,107 MS/MS transitions, and the bottom chromatogram shows the d4-retinyl esters as 273 > 94,217 transitions.
