Table 5.

Comparison of results [mg/kg extracted fat] measured by indirect analysis method with and without additional SPE clean-up.

Sample	Sample pre-treatment	3-MCPD		2-MCPD		Glycidol
		Average	Stdev	Average	Stdev	Average	Stdev
02 - Roll	SPE	0.09	0.01	0.03	0.01	nd	–
	–	0.11	0.01	0.03	0.01	0.21	0.11
02 - Roll + spike	SPE	0.65	0.01	0.53	0.01	0.50	0.01
	–	0.64	0.03	0.49	0.05	0.63	0.02
QC - Soybean oil	SPE	2.72	0.03	0.10	0.01	4.19	0.01
	–	2.74	0.02	0.11	0.01	4.37	0.01