Table 5 Fatty acid methyl ester profile of selected microalgal strains

C3:0 Propionic acid methyl ester

–

–

–

11.20 ± 3.26

C4:0 Butanoic acid methyl ester

0.95 ± 0.27

–

6.19 ± 1.78

2.88 ± 0.99

C8:0 Caprylic acid methyl ester

–

–

1.22 ± 0.38

–

C12:0 Lauric acid methyl ester

6.74 ± 1.94

0.63 ± 0.21

4.76 ± 1.48

6.20 ± 1.84

C14:0 Myristic acid methyl ester

2.35 ± 0.67

–

–

9.44 ± 2.74

C14:1 Myristoleic acid methyl ester

–

10.37 ± 3.05

11.15 ± 3.27

–

C16:0 Palmitic acid methyl ester

13.32 ± 3.85

14.06 ± 4.38

3.83 ± 1.23

12.50 ± 3.62

C16:1 Palmitoleic acid methyl ester

2.42 ± 0.70

–

–

–

C16:0 Palmitic alcohol

2.49 ± 0.72

11.42 ± 3.46

6.03 ± 1.74

–

C17:0 Heptanoic acid methyl ester

1.07 ± 0.34

–

–

C18:0 Stearic acid methyl ester

–

0.22 ± 0.06

–

–

C18:1 Oleic acid methyl ester

11.75 ± 3.41

13.20 ± 4.58

2.64 ± 0.76

–

C18:3 Linolenic acid methyl ester

11.70 ± 3.51

6.63 ± 1.91

27.21 ± 8.10

13.45 ± 3.91

C19:0 Nonadecanoic acid methyl ester

5.07 ± 1.58

C19:1 Nonadecenoic acid methyl ester

–

–

–

10.43 ± 3.01

C20:1-Eicosenoic acid methyl ester

–

–

1.03 ± 0.40

–

C22:0 Behenic acid methyl ester

3.02 ± 0.95

–

–

–

C22:4 Docosatetraenoic acid methyl ester

–

1.36 ± 0.41

–

–

Diisooctyl phthalate (Volatile oil)

24.71 ± 3.20

14.06 ± 2.10

29.89 ± 4.89

–

Dasycarpidan–1-methanol, acetate (ester) (Volatile oil)

2.57 ± 0.78

5.29 ± 0.54

4.39 ± 0.88

11.44 ± 4.30

Phthalic acid, di(2-propylpentyl) ester

–

11.20 ± 3.21

–

–

Others

11.33 ± 3.78

10.20 ± 2.67

1.12 ± 0.41

21.01 ± 6.30

Total

99.68

99.14

99.67

99.13

Saturated fatty acids (%)

35.12

26.56

22.10

42.59

Unsaturated fatty acids (%)

25.95

31.83

42.17

24.09