Table 1
GC specification and operating conditions for the analysis of fatty acid

Requester	Condition
Instrument	Hewlett packard 6890, USA
Column	HP-FFAP (Polyethylene Glycol)
	:30m×0.25mm id×0.25 μm film
Detector	Flame Ionization Detector (FID)
Split mode	Split ratio1:100
Inject volume	1 μL
Carrier gas	Nitrogen, flow rate at 1mL/min
Injection port	220℃
Detection port	240℃
Oven temp. program	Initial temp. 160℃ at 1min
	Temp. gradient 2℃/min
	Final temp.220℃ at 10 min