|
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
|
- N.S. not specified, N.D. not determined
- Data of Rhodotorula glutinis R4 and Palm oil obtained from Maza et al. [93] and Ramos et al. [94], respectively
