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Table 1 Biomass, pigment and fatty acid production at the 12th and 18th day

From: 5-Aminolevulinic acid promotes arachidonic acid biosynthesis in the red microalga Porphyridium purpureum

 

Day 12

Day 18

5-ALA concentration (mg/L)

5-ALA concentration (mg/L)

0

10

20

30

40

50

0

10

20

30

40

50

Biomass (g/L)

9.95

14.05

12.81

11.26

10.67

11.05

11.21

18.81

16.05

14.24

14.01

14.41

Pigment concentration (g/L)

 Chl a

3.89

5.87

5.51

4.66

5.98

3.28

2.23

2.68

2.31

1.74

1.93

1.35

 β-carotene

0.73

1.14

1.04

0.92

1.08

0.66

0.53

0.71

0.66

0.58

0.65

0.48

 Zeaxanthin

0.99

1.14

0.78

0.82

0.94

0.89

1.17

1.06

0.69

0.80

0.62

0.60

 Total

5.61

8.15

7.33

6.40

8.00

4.83

3.93

4.45

3.66

3.12

3.20

2.43

Fatty acid content (mg/g)

 ARA

5.28

1.65

4.33

4.31

3.88

2.32

8.90

7.16

10.61

8.65

5.93

5.16

 EPA

5.63

1.19

3.10

3.54

3.33

1.71

7.05

3.12

4.22

3.61

2.58

2.28

 TFA

30.78

16.38

26.08

25.07

26.19

23.96

51.61

33.43

46.76

40.91

34.06

30.71

 UFA

18.09

8.87

14.14

17.88

14.98

12.03

33.31

20.88

27.56

24.61

18.46

17.35

 UFA/TFA

58.79

54.13

54.24

71.30

57.20

50.21

64.54

62.45

58.94

60.16

54.18

56.48

 AFA/TFA

17.16

10.06

16.59

17.20

14.83

9.68

17.24

21.42

22.70

21.14

17.40

16.79

 ARA/EPA

0.94

1.38

1.40

1.22

1.17

1.36

1.26

2.30

2.51

2.39

2.30

2.26

Fatty acid yield (mg/L)

 TFA

306.35

230.06

333.97

282.23

279.48

264.62

578.34

628.76

750.43

582.55

477.29

442.49

 ARA

52.58

23.15

55.42

48.55

41.46

25.60

99.73

134.70

170.36

123.12

83.06

74.30

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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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