Table 5.

Comparison of glycidyl ester measurements in RBWD canola oil using direct LC–MS method with different sample dilution ratios

Sample dilution	Glycidyl laurate	Glycidyl myristate	Glycidyl palmitate	Glycidyl stearate	Glycidyl oleate	Glycidyl linoleate	Glycidyl linolenate
	Sample conc. (ng/g)
Sample:solvent = 1:20
LOQ (ng/g)	200	200	200	600	300	200	300
Mean	<LOQ	<LOQ	<LOQ	<LOQ	1,320	643	<LOQ
Std dev					43	26
CV					3.2%	4.0%
Sample:solvent = 1:16
LOQ (ng/g)	160	160	160	480	240	160	240
Mean	<LOQ	<LOQ	<LOQ	<LOQ	1,383	648	<LOQ
Std dev					42	18
CV					3.0%	2.7%
Sample:solvent = 1:8
LOQ (ng/g)	80	80	80	240	120	80	120
Mean	<LOQ	<LOQ	86.8	<LOQ	1,347	683	<LOQ
Std dev			4.1		42	25
CV			4.7%		4.5%	3.7%

Three replicates of each sample dilution were included