Table 1 The compositions of fatty acids (mass percentage) of microalgal strain Z-4 at different temperatures

C 15:0 2OH

0.67 ± 0.12

–

0.47 ± 0.13

0.33 ± 0.11

C 15:0 3OH

0.20 ± 0.07

–

0.22 ± 0.07

–

C 16:0

35.98 ± 2.03

38.51 ± 3.28

38.98 ± 3.56

39.51 ± 3.71

C 17:1 w8c

–

0.22 ± 0.10

–

0.19 ± 0.07

C 18:1 w7c

0.43 ± 0.09

0.25 ± 0.09

0.43 ± 0.11

–

C 18:1 w9c

25.92 ± 1.64

27.92 ± 2.34

28.43 ± 2.62

29.18 ± 2.53

18:2 w6,9c

18.22 ± 1.35

13.50 ± 1.13

14.24 ± 1.64

15.50 ± 1.42

18:3 w6c (6,9,12)

3.86 ± 0.59

1.90 ± 0.31

1.86 ± 0.28

1.58 ± 0.34

C 20:0

0.30 ± 0.11

0.28 ± 0.07

0.29 ± 0.10

0.26 ± 0.08

C 20:1 w9c

0.17 ± 0.04

0.18 ± 0.06

0.17 ± 0.08

0.20 ± 0.09

Saturated fatty acids

47.41 ± 2.33

52.55 ± 3.35

53.41 ± 3.86

55.56 ± 3.90

Unsaturated fatty acids

53.59 ± 3.71

47.44 ± 4.03

46.59 ± 4.73

44.44 ± 4.45