Fatty acidsa Relative content (%)b
0.01 CO2 0.03 % CO2 3.0 % CO2 9.0 % CO2 12 .0 % CO2
C12:0 0.23 0.20 0.10  1.24 1.52
C14:0 4.11 6.25 8.57  9.01 10.12
C16:0 24.85 25.32 26.51 26.60 27.26
C18:0 1.81 1.24 0.67  1.05 1.30
C18:1 1.81 3.63 2.42  3.70 3.81
C18:2 9.34 6.05 6.47  4.22 2.11
gC18:3  - 4.81 5.20  6.65 4.79
C18:4 3.11 1.55 2.17  1.84 1.45
C18 49.68 46.04 44.26 41.41 40.16
C20:0 2.13 1.80 1.81  1.48 1.66
C22:0 2.19 1.15 1.08  1.21 0.98
a: Fatty acid was identified based on the retention time of standard fatty acids
b: The amount of the fatty acid wasevaluated through the peak area
Table 2: Fatty acids composition of Dunaliella salina culture aerated with various CO2 levels.
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