Table 1.
The composition of PEE evaluated by GC/MS
| Constituents | Peak area (%) a |
|---|---|
| Furfural |
5.34 |
| 2-methyl-2-Hexanol |
0.74 |
| 5-methyl-2-Furancarboxaldehyde |
1.02 |
| Phenylacetaldehyde |
0.96 |
| Furyl hydroxymethyl ketone |
1.03 |
| 3,5-dihydroxy-2-methyl-4H-Pyran-4-one |
0.80 |
| Hydroxy methyl furfural |
16.85 |
| 3-nitro-Benzenemethanol |
3.08 |
| Hexahydro-3-(2-methylpropyl)-pyrrolo[1,2-α]pyrazine-1, 4-dione |
2.13 |
| Hexahydro-3-(phenylmethyl)-pyrrolo[1,2-α] pyrazine-1, 4-dione |
3.13 |
| Diethyl phthalate |
0.78 |
| Total | 35.86 |
aOnly the compounds with identification score (SI) > 90 were listed.