Research Article

Effects of Roasting Temperature and Time on the Chemical Composition of Argan Oil

Table 2

Effect of temperature and duration of roasting on the content of the argan oil in principal fatty acids.

Roasting conditionsFatty acid (%)
C16:0C18:0C18:1C18:2C18:3

Control13.59 ± 0.105.49 ± 0.0447.00 ± 0.0532.66 ± 0.020.085 ± 0.001

75°C
10 min12.89 ± 0.095.61 ± 0.0746.79 ± 0.0633.44 ± 0.040.084 ± 0.003
20 min13.17 ± 0.035.44 ± 0.0647.75 ± 0.0532.38 ± 0.110.082 ± 0.001
30 min13.17 ± 0.035.34 ± 0.0547.73 ± 0.0232.50 ± 0.070.083 ± 0.002

100°C
10 min13.41 ± 0.035.46 ± 0.0746.71 ± 0.0833.23 ± 0.060.090 ± 0.001
20 min13.50 ± 0.045.52 ± 0.0546.39 ± 0.0733.30 ± 0.110.091 ± 0.001
30 min13.54 ± 0.025.51 ± 0.0746.21 ± 0.0233.41 ± 0.060.092 ± 0.001

125°C
10 min13.48 ± 0.085.50 ± 0.0546.11 ± 0.0433.61 ± 0.120.092 ± 0.001
20 min13.41 ± 0.035.48 ± 0.1045.88 ± 0.0333.91 ± 0.060.095 ± 0.001
30 min13.31 ± 0.105.52 ± 0.0946.16 ± 0.1733.66 ± 0.090.100 ± 0.013

150°C
10 min13.58 ± 0.015.52 ± 0.1246.08 ± 0.0733.46 ± 0.030.094 ± 0.002
20 min13.31 ± 0.015.36 ± 0.2146.24 ±0.1433.72 ± 0.040.094 ± 0.004
30 min13.36 ± 0.015.51 ± 0.1045.82 ± 0.0433.96 ± 0.010.096 ± 0.003

175°C
10 min13.33 ± 0.025.45 ± 0.1046.06 ± 0.0333.80 ± 0.020.095 ± 0.002
20 min13.16 ± 0.025.28 ± 0.1647.16 ± 0.1333.03 ± 0.030.091 ± 0.003
30 min13.28 ± 0.015.47 ± 0.1547.48 ± 0.4132.12 ± 0.170.086 ± 0.004

Values present mean ± standard deviations from triplicate measurements.
No significant variation was recorded compared to the control.