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Table 3 The fatty acid profile of Spirulina subsalsa in reused seawater supplemented with 1/200 MSGR (VMSGR/Vseawater)

From: Filamentous cyanobacteria triples oil production in seawater-based medium supplemented with industrial waste: monosodium glutamate residue

  First Second ASTMD 6751-08 EN 14214
Fatty acids (% total FAME)
 C12:0 (lauric) 11.48 ± 0.62 2.77 ± 0.26   
 C14:0 (myristic) 1.25 ± 0.03 3.55 ± 0.43   
 C16:0 (palmitic) 35.50 ± 0.59 33.96 ± 0.77   
 C16:1 (palmitoleic) 17.83 ± 0.78 23.76 ± 0.81   
 C18:0 (stearic) 2.76 ± 0.31 4.94 ± 0.61   
 C18:1 (oleic) 14.51 ± 0.50 15.78 ± 0.86   
 C18:2 (linoleic) 14.28 ± 0.56 12.30 ± 0.97   
 Others 2.40 ± 1.76 2.93 ± 1.87   
Biodiesel properties
 Kinematic viscosity 40 °C (mm2/s) 4.82 ± 0.01 4.80 ± 0.01 1.9–6.0 3.5–5.0
 Specific gravity (kg/L) 0.88 ± 0.00 0.88 ± 0.00 0.85–0.90 0.86–0.90
 CP (°C) 11.86 ± 0.11 11.42 ± 0.27   
 CN 58.82 ± 0.06 58.60 ± 0.13 ≥ 47 ≥ 51
 IV (gI2/100 g) 57.99 ± 0.62 60.41 ± 1.48   51–120
 HHV (MJ/kg) 39.61 ± 0.01 39.66 ± 0.03   
  1. All data are averages of biological triplicates ± standard deviation