Efficacy of EDTA and Phosphorous on Biomass Yield and Total Lipid Accumulation in Two Green Microalgae with Special Emphasis on Neutral Lipid Detection by Flow Cytometry
Table 1
FAME compositions (%) of Chlorella ellipsoidea and Chlorococcum infusionum under P and EDTA stress.
Fatty acids
Fatty acid compositions (%)
Chlorella ellipsoidea
Chlorococcum infusionum
Control
0.15 g/L P
0.05 g/L EDTA
Control
0.00 g/L P
0.08 g/L EDTA
Lauric (12:0)
1.93b ± 0.06
—
0.46c ± 0.04
2.68a ± 0.26
0.40c ± 0.08
—
Myristic (14:0)
5.78b ± 0.23
5.29b ± 0.30
7.74a ± 0.39
9.23ab ± 0.32
8.63b ± 0.40
1.97c ± 0.30
Palmitic (16:0)
8.92a ± 0.44
4.26c ± 0.31
4.86b ± 0.27
8.63b ± 0.36
10.84a ± 0.72
10.59a ± 0.36
Palmitoleic (16:1)
10.12c ± 0.19
17.21a ± 1.13
16.24a ± 0.79
13.99c ± 1.19
21.49a ± 1.06
14.53c ± 1.11
Stearic (18:0)
2.17c ± 0.21
9.26a ± 0.78
2.12c ± 0.22
3.87d ± 0.22
10.44c ± 0.99
17.98a ± 0.98
Oleic (18:1)
13.73d ± 0.77
21.62c ± 0.94
30.05b ± 2.16
9.52c ± 0.31
30.32a ± 2.68
29.80a ± 1.43
Linoleic (18:2)
19.52a ± 0.74
14.12b ± 0.86
10.17c ± 0.99
22.92a ± 1.10
13.05c ± 1.19
15.02d ± 0.75
α-Linoleic (18:3)
10.84a ± 0.73
10.88a ± 0.36
11.08a ± 0.13
22.02a ± 0.75
1.81d ± 0.29
7.88c ± 0.50
Arachidic (20:0)
19.04a ± 0.77
9.71c ± 0.49
11.38b ± 1.13
0.60b ± 0.13
—
1.23a ± 0.11
Arachidonic (20:4)
0.24c ± 0.06
6.62a ± 0.37
5.92b ± 0.56
2.08a ± 0.22
—
0.25b ± 0.15
Eicosapentaenoic (20:5)
7.71a ± 0.14
—
—
1.19b ± 0.38
1.61a ± 0.07
—
Behenic (22:0)
—
1.03a ± 0.23
—
2.68a ± 0.54
—
—
Lignoceric (24:0)
—
—
—
0.60b ± 0.06
1.41a ± 0.11
0.74b ± 0.11
SFA
37.84 ± 1.71
29.55 ± 2.11
26.56 ± 2.05
28.29 ± 1.89
31.72 ± 2.19
32.51 ± 1.86
MUFA
23.85 ± 0.96
38.83 ± 2.07
46.29 ± 2.95
23.51 ± 1.50
51.81 ± 3.74
44.33 ± 2.54
PUFA
38.31 ± 1.67
31.62 ± 1.59
27.17 ± 1.68
48.21 ± 2.45
16.47 ± 1.55
23.15 ± 1.40
Values are mean ± SD, . Values in each column superscripted by different alphabets (a–d) are 559 significantly different from each other (, DMRT).