Percentage (%)

Processed Jatropha curcas Oil

Before aging

After 96 h of accelerated aging

Without antioxidant

Without antioxidant

1%w/woil TBHQ

2%w/woil TBHQ

Myristic (C14:0)

0.1

0.4

0.8

1.0

Palmitic (C16:0)

14.7

20.8

22.5

18.5

Stearic (C18:0)

5.9

7.4

9.0

7.0

Total of saturated fatty acids

20.7

28.6

32.3

26.5

Palmitoleic (C16:1)

1.2

1.4

1.6

1.4

Oleic (C18:1)

37.1

43.8

44.9

40.1

Total of monounsaturated fatty acids

38.3

45.2

46.5

41.5

Linoleic (C18:2)

39.2

22.0

17.8

29.2

Total of polyunsaturated fatty acids

39.2

22.0

17.8

29.2

Percentage of oil in the sample

100

69.7

72.4

94.3