FFA (%) Heating temperature (°C)   P1 50 120 200 400 Heating time (h) 0 3.567 ± 0.379 3.567 ± 0.379 3.567 ± 0.379 3.567 ± 0.379 ns 0.5 3.587 ± 0.405 3.583 ± 0.390 3.597 ± 0.385 3.590 ± 0.403 ns 1 3.597 ± 0.422 3.610 ± 0.419 3.627 ± 0.410 3.623 ± 0.414 ns 2 3.660 ± 0.478 3.620 ± 0.419 3.650 ± 0.407 3.637 ± 0.411 ns P2 ns ns ns ns   The values are given as mean ± standard deviation 1Comparison of FFA between different heating temperatures at the same heating time 2 Comparison of FFA between different heating time at the same heating temperature ns: No significant difference at P<0.05

Table 6: Variation of FFA of heated CPO according to the time and the temperature of heating.