Rapid Accumulation of Total Lipid in Rhizoclonium africanum Kutzing as Biodiesel Feedstock under Nutrient Limitations and the Associated Changes at Cellular Level

Table 1

Showing fatty acid compositions (%) of both control and treated cells (DDN, AN, DDP, and AP) of R. africanum at log-exponential phase (14-day-old culture).

Fatty acids	Fatty acid compositions (%)
	Control; (14 days)	+NO3 (DDN); (14 days)	−NO3 (AN); (14 days)	+PO4 (DDP); (14 days)	−PO4 (AP); (14 days)
12:0	3.4	1.1	—	0.5	0.6
14:0	6.5	4.9	4	6.6	5.2
15:0	2.8	1.2	1.1	2.4	2
16:0	30.2	34.9	32.6	29.9	40.9
16:1	9.4	11.2	13.1	11.2	12.2
16:2	—	0.8	1	1.6	1.5
16:3	—	0.9	0.2	5.2	0.8
17:0	—	—	—	0.2	—
18:0	1.4	1.3	1.3	0.6	1.3
18:1	20	21.2	29.2	20.2	23.9
18:2	5.3	5.3	4.1	10.7	5.1
18:3 (GLA)	—	1.1	0.9	1.7	1.2
18:3 (ALA)	7.4	—	—	—	—
20:0	—	—	0.6	—	—
20:1	—	1.3	1.7	0.4	1.5
20:2	—	—	0.9	1.4	—
20:3	2.4	1.2	2	3.6	—
20:4	—	—	—	—	—
20:5	—	—	—	—	—
22:0	—	—	—	0.2	—
24:0	11.2	11.5	12.1	3.4	6.2