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Table 2 Comparative FAME profile and biodiesel properties of R. pacifica INDKK cultivated in PSH and YNB

From: Harnessing pongamia shell hydrolysate for triacylglycerol agglomeration by novel oleaginous yeast Rhodotorula pacifica INDKK

Fatty acid/biodiesel properties Rape seed oil methyl ester [30] Jatropha oil methyl ester [30] AD-PSH AS-PSH Control (YNB) EN 14214 ASTM D6751 IS 15607
C14:0 (%) ND ND ND 0.89 0.55
C16:0 (%) 11.9 14.9 14.45 28.85 10.4
C16:1 (%) ND 1 ND ND ND
C18:0 (%) 4.1 6.1 6.13 ND ND
C18:1 (%) 20.8 40.4 61.98 52.58 43.61
C18:2 (%) 53.8 36.2 16.86 12.45 ND
C18:3 (%) 9.3 0.3 ND 1.37 ND
C20:0 (%) ND ND ND ND ND
C22:0 (%) ND ND ND 0.46 ND
C24:0 (%) ND ND ND ND ND
Iodine value (IV) (g of I2/100 g) 107.76 98.02 86.29 73.58 39.02 120 (max.)
Cetane number (CN) 54.35 55.23 53.92 56.72 86.86 47 51 51
High heating value (HHV) (MJ/kg) 40.78 40.55 39.42 38.14 21.56
Density (g/cm3) 0.80 0.88 0.87 0.84 0.47 0.86–0.90 0.86–0.89
Kinematic viscosity (KV) (mm2/s) 4.4 4.48 3.90 3.7 2.13 1.9–6 3.5–5 2.5–6
Cold filter plugging point (CFPP) ND ND −6.1 −5.97 −13.2
  1. – No standard limit designated by biodiesel standards ASTM D6751, EN 14214 and IS 15607; ND not detected.