Table 3 GC–MS analysis of HTL-produced bio-oil products from A. filiculoides

Pyrazine, methyl-

1.4

1.8

2

2-Cyclopenten-1-one, 2-methyl-

1.4

2.6

2

Pyrazine, 2,6-dimethyl-

–

0.8

–

Pyrazine, 2,5-dimethyl-

–

–

1

Phenol

6.1

18.8

11.1

p-Cresol

–

1.4

2.6

2-Cyclopenten-1-one, 2-hydroxy-3-methyl-

1.1

–

–

2-Cyclopenten-1-one, 2,3-dimethyl-

–

1.6

1.3

Phenol, 2-methoxy-

1.1

1.2

1.2

3-Pyridinol

13.3

11.9

10.1

3-Pyridinol, 6-methyl-

1.7

–

2.1

Phenol, 4-ethyl-

–

–

1

Phenol, 4-amino-

–

1.2

Catechol

10

15.7

11.8

Phenol, 4-ethyl-2-methoxy-

0.8

2.2

–

1,2-Benzenediol, 4-methyl-

–

–

2.8

1,4-Benzenediol, 2-methyl-

–

–

0.6

Naphthalene, 2,6-bis(1,1-dimethylethyl)-

–

–

1.8

Cyclopentane, 1,1,3-trimethyl-3-(2-methyl-2-propenyl)-

–

5

–

Hydantoin, 1-butyl-

3.9

1.9

–

2-Benzimidazolinethione, hexahydro-

1.2

–

–

l-Proline, N-butoxycarbonyl-, butyl ester

7.8

7.2

–

l-Proline, N-butoxycarbonyl-, heptyl ester

–

–

3.3

l-Norleucine, N-allyloxycarbonyl-, octadecyl ester

1.1

–

–

2,5-Piperazinedione, 3-benzyl-6-isopropyl-

1.9

0.6

–

9-Octadecenamide, (Z)-

0.8

1.4

1.5

2,5-Piperazinedione, 3-benzyl-6-isopropyl-

0.9

1.2

–

Cyclo-(l-leucyl-l-phenylalanyl)

3.2

1.9

–

Bicyclo[11.3.0]hexadecane-2,14-dione

2.4

–

–

Bis(2-ethylhexyl) phthalate

13.6

12.4

8.7

Beta-sitosterol

22.8

–

–

Stigmastan-3,5-diene

–

–

8.5