Table 2 Fatty acid compositions (%) and biodiesel properties of yeast oils
Fatty acid compositions/ Biodiesel properties | BSG | SYC | ES | CG |
|---|---|---|---|---|
T. spathulate JU4–57 | Y. lipolytica TISTR 5151 | Y. lipolytica TISTR 5151 | R. mucilaginosa G43 | |
Myristic acid (C14:0) | 0.3 | 0.2 | – | 1.9 |
Palmitic acid (C16:0) | 13.5 | 10.3 | 15.4 | 40.5 |
Palmitoleic acid (C16:1) | 1.6 | 2.2 | 8.8 | 2.7 |
Stearic acid (C18:0) | 5.7 | 3.3 | 7.0 | 4.7 |
Oleic acid (C18:1) | 53.3 | 47.0 | 52.8 | 26.9 |
Linoleic acid (C18:2) | 22.3 | 30.6 | 15.9 | 20.6 |
Linolenic acid (C18:3) | 1.3 | – | – | 1.2 |
Lignoceric acid (C24:0) | 0.3 | – | – | 0.9 |
Saturated fatty acids | 19.9 | 13.9 | 22.5 | 47.9 |
Unsaturated fatty acids | 78.4 | 79.8 | 77.5 | 51.3 |
SA | 201.9 | 202.1 | 203.4 | 208.3 |
IO (g I2 100 g−1) | 93.4 | 99.9 | 85.1 | 68.5 |
CE | 49.5 | 47.8 | 51.4 | 55.0 |
LCF (wt%) | 4.4 | 2.7 | 5.1 | 6.5 |
CFP (°C) | −2.7 | −7.9 | −0.6 | 3.9 |