. 2017 Feb 22;12(2):e0171996. doi: 10.1371/journal.pone.0171996

Table 6. The classification of organic compounds measured by GC-MS under different nitrogen sources conditions.

Organic compounds		NaNO₃	NaNO₂	NH₄Cl	(NH₂)₂CO
Free fatty acids	SFA	49.43%	44.02%	37.67%	44.31%
	MUFA	6.02%	7.11%	0.00%	7.29%
	PUFA	26.85%	31.00%	2.94%	32.71%
Total		82.30%	82.13%	40.61%	84.31%
Long-chain alkane or alkene		14.58%	15.70%	38.72%	13.65%
Sterols or ketone		0.91%	0.66%	4.06%	0.73%
Others		2.21%	1.51%	16.61%	1.31%