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Table 6 Estimation of biodiesel properties

From: Wood-feeding termite gut symbionts as an obscure yet promising source of novel manganese peroxidase-producing oleaginous yeasts intended for azo dye decolorization and biodiesel production

Biodiesel properties International biodiesel standards Oleaginous yeasts Vegetable oils
EN 14214 (Europe) ASTM D6751-3 (USA) NYC-1 consortium M. caribbica SSA1654 R. glutinis R4 Palm oil
Long chain saturation factor (LCSF) N.S N.S 4.21 3.34 2.6 7.7
Cetane number Minimum 51 Minimum 47 53 52.32 53.0 61.0
Density (g/cm3) 0.86–0.9 N.S N.D 0.88 0.87 N.S
Kinematic viscosity (mm2/s) 3.5–5.0 1.9–6.0 4.38 3.98 3.85 4.5
Iodine value (gI2/100 g) Maximum 120 N.s 95.18 92.37 90.0 57.0
Oxidative stability (h) Minimum 3 Minimum 6 7.85 8.3 10.02 4.0
Saponification value (mg KOH/g-oil) N.S N.S 211.4 199.4 203.3 N.D
Degree of unsaturation (%, wt) N.S N.S 96.12 95.85 95.2 64.2
Linolenic acid (C18:3)  ≤ 12 N.S 4.11 4.07 4.23 0.6
  1. N.S. not specified, N.D. not determined
  2. Data of Rhodotorula glutinis R4 and Palm oil obtained from Maza et al. [93] and Ramos et al. [94], respectively