LC-MS resolution of linoleate triol standards as the PFB ester DMP
derivative.
A, four triol hydrolysis products (triol-1 to -4) of
9R,10R-epoxy-13R-hydroxyoctadec-11E-enoic
acid are analyzed as the PFB ester DMP derivative using a Thomson
Advantage Silica 150Å 5-μ, column (25 × 0.46 cm) with a
solvent of hexane/IPA 100/1 (by volume) at a flow rate 1 ml/min, with UV
detection at 205 nm. B, in autoxidized
d4 epoxy alcohol, the same four products were
chromatographed with the triols (PFB ester DMP derivative) from the
second major epoxy alcohol of the hematin reaction, the
13S diastereomer,
9R,10R-epoxy-13S-hydroxyoctadec-11E-enoate
(triol-5 to -8).