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Table 2 Fatty acid composition of Chlamydomonas sp. JSC4 cultured under nitrogen-rich and nitrogen-depleted conditions, with comparison to soybean oil (SBO)-based biodiesel

From: Optimizing biodiesel production in marine Chlamydomonassp. JSC4 through metabolic profiling and an innovative salinity-gradient strategy

  Fatty acid composition (%)
  2.0% sea salt SBO-based biodiesel [29]
  Nitrogen rich Nitrogen depletion  
Palmitic acid (C16:0) 25.8 ± 0.6 27.6 ± 0.3 10.7
Palmitoleic acid (C16:1) 1.1 ± 0.0 3.2 ± 0.1 0.0
Stearic acid (C18:0) 4.0 ± 1.5 3.1 ± 0.1 4.4
Oleic acid (C18:1) 9.1 ± 0.0 26.6 ± 0.6 23.3
Linoleic acid (C18:2) 21.7 ± 0.0 25.3 ± 0.3 54.1
Linolenic acid (C18:3) 14.4 ± 0.4 5.4 ± 0.1 7.5
Saturated fatty acid 29.8 ± 1.3 30.7 ± 0.5 15.1
Monounsaturated fatty acid 10.2 ± 0.4 29.7 ± 0.5 23.3
Polyunsaturated fatty acid 36.1 ± 0.9 30.7 ± 0.4 61.6
C16 & C18 groups 76.1 ± 0.9 91.1 ± 1.3 100.0
  1. The values are the mean ± standard deviation of three replicated experiments. (Light intensity = 200 μmol m-2 s-1; CO2 aeration = 2.0%; CO2 flow rate = 0.05 vvm).