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