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Table 2 Summary of fatty acid compositional profiles at steady state for algal lipids from the different isolates cultivated in semi-continuous mode at different dilution rates

From: Evaluation of native microalgae from Tunisia using the pulse-amplitude-modulation measurement of chlorophyll fluorescence and a performance study in semi-continuous mode for biofuel production

  Chlorella sp. Scenedesmus sp.
D, 1/day 0.08 0.20 0.30 0.38 0.45 0.50 0.10 0.20 0.30 0.40 0.50
14:0
16:0 17.40 15.40 14.80 16.40 16.50 16.30 16.00
16:1n7 33.10 16.60 14.50 2.30 18.80 2.90 2.60 2.60 2.70
16:2n4 6.30 12.90 5.30 4.40 4.20 4.30 3.20 2.30 3.00
16:3n4 5.00 6.90 10.00 9.50 11.20 10.70 2.90
16:4n1 3.70 2.40 9.10 11.80 13.50 13.70 13.80
18:0 1.80 3.50 2.80 3.20 7.10 6.80
18:1n9 8.40 2.80 6.90 2.40 2.80 11.70 7.80 6.90
18:1n7
18:2n6 14.20 13.40 12.90 14.10 11.30 9.70 8.40
18:3n3 9.30 13.20 28.10 30.00 28.30 16.20 24.50 28.10 29.90 31.90
18:4n3 16.40 19.50 20.20 1.80 1.80 1.80
20:4n6
20:1n9 3.00 3.00 2.20 3.20 3.20
22:5n3
SFA 1.80 3.50 17.40 18.20 18.00 16.40 23.50 23.10 16.00
MUFA 44.50 19.60 19.40 11.40 5.60 3.20 30.50 10.70 2.60 2.60 9.60
PUFA 37.00 52.50 57.50 58.70 58.90 56.30 51.60 54.60 54.80 58.10 54.10
  1. Data are mean value of two repetitions
  2. SFA: Saturated fatty acids; MUFA: mono unsaturated fatty acids; PUFA: poly unsaturated fatty acids
  Nitzschia sp. Tetraselmis sp.
D, 1/day 0.10 0.20 0.30 0.10 0.20 0.30 0.40 0.50 0.60 0.80 0.90
14:0 6.60 7.60 6.30
16:0 23.70 25.20 20.80 14.90 14.60 14.80 16.00 11.40 17.00 17.90 18.00
16:1n7 47.70 43.60 34.40 3.20 3.00 2.30 2.40 2.30 1.90 1.70 1.40
16:2n4 1.80 2.20 4.20 8.00 8.00 7.30 6.00 5.60 5.00 4.50 4.00
16:3n4 1.60 2.40 5.10 0.50 5.30 6.40 8.80 8.90 10.20 11.40 10.30
16:4n1 6.40 12.40 11.70 11.50 11.00 9.80 10.10 10.80
18:0 1.40 1.50 12.70 2.30 2.10 0.90 13.90 12.20 10.60 9.80
18:1n9 1.70 1.60 1.80 2.50 17.90 16.40 14.10 14.70 16.50 17.50 20.20
18:1n7 13.00 14.50 13.30
18:2n6 17.00 2.80
18:3n3 8.00 7.80 19.00 10.90 0.70 0.90 1.60 1.60 2.00 2.30 2.40
18:4n3 0.80 0.90 0.90 1.20 1.20 1.40 1.60
20:4n6 2.80 1.00 1.20 1.70 1.90 2.30 2.80 3.10
20:1n9 3.00 3.10 2.60 2.40 2.20 2.20 1.80
22:5n3 7.70 7.90 13.00
SFA 31.80 34.40 27.00 27.60 16.90 16.90 16.90 25.30 29.30 28.50 27.80
MUFA 49.60 45.20 36.20 5.80 37.00 36.40 32.40 19.40 20.60 21.40 23.50
PUFA 11.00 12.50 22.40 46.50 28.30 28.40 31.00 33.20 29.40 32.60 32.30
  1. Data are mean value of two repetitions
  2. SFA: Saturated fatty acids; MUFA: mono unsaturated fatty acids; PUFA: poly unsaturated fatty acids