Table 4: Physicochemical parameters of oils extracted from H. barteri.
Parameters |
aH. barteri |
Mean |
SD |
RSD |
Pulp |
Seed |
Kinematic viscosity (mm2/s) at 100°C |
9.15±0.10 |
10.62±0.20 |
9.89 |
0.74 |
7.48 |
Specific gravity (g cm–3) |
0.92±0.10 |
0.92±0.10 |
0.92 |
0.00 |
0.00 |
Unsaponifiable matter (%) |
1.63±0.01 |
2.54±0.20 |
2.09 |
0.46 |
22.01 |
Flash point (°C) |
290.00±0.01 |
295.00±0.10 |
292.50 |
2.50 |
0.85 |
Saponification value (mg KOH/g) |
189.40±0.01 |
190.22±0.10 |
189.81 |
0.41 |
0.22 |
Peroxide value (meq O2/kg) |
8.15±0.00 |
9.20±0.10 |
8.68 |
0.53 |
6.11 |
Iodine value (mg of I/100 g) |
94.24±0.10 |
122.42±0.10 |
108.33 |
14.09 |
13.01 |
Acid value (mg KOH/g) |
16.50±0.05 |
24.00±0.01 |
20.25 |
3.75 |
18.52 |
Colour |
LAY |
PY |
|
|
|
aValues are means ± standard deviations of three determinations
LAY = Light Amber Yellow, PY = Pale Yellow, SD = Standard Deviation, RSD = Relative Standard Deviation