Category

Compound

Area/ %

No catalyst

With catalyst

Fatty acids

6-Octadecenoic acid

37.68

47.39

Palmitic acid

4.59

2.45

Linoleic acid

44.12

20.12

Ester

Palmitic acid ethyl ester

1.79

2.73

Amide

N,N-Dimethyloctanamide

2.49

3.13

Amine

N,N,N′,N′–tetraethyl-methanediamine

3.40

1.35