Table 4. Profile of intermediary degradatory products obtained through solvent extraction after MAA pretreatment.
No |
Retention Time (min) |
Compound Name |
Relative composition by area% |
|||
Aromatic hydrocarbons |
Acetonitrile |
Methanol |
Chloroform |
Hexane |
||
1 |
3.341 |
Pyridine |
4.47 |
2.94 |
- |
- |
2 |
11.317 |
Benzene, 1,3-bis(1,1-dimethylethyl)- |
0.43 |
0.69 |
7.16 |
7.99 |
3 |
11.621 |
Benzaldehyde, 4-propyl- |
2.07 |
- |
- |
- |
Phenolic compounds |
||||||
4 |
15.067 |
Phenol, 2,4-bis(1,1-dimethylethyl)- |
0.21 |
2.61 |
2.85 |
- |
5 |
15.603 |
Phenol, 2,6-bis(1,1-dimethylethyl)-4 ethyl- |
0.18 |
- |
- |
- |
Esters |
||||||
6 |
2.805 |
L-Serine, ethyl ester |
0.83 |
- |
- |
- |
7 |
5.362 |
Benzylsulfanylacetic acid, (benzothiazol-2-yl) methyl ester |
- |
1.36 |
- |
- |
Aliphatic hydrocarbons |
||||||
8 |
3.244 |
2,2-Dimethoxybutane |
- |
26.03 |
- |
- |
9 |
4.376 |
Heptane, 2,4-dimethyl- |
- |
- |
1.09 |
2.23 |
10 |
4.997 |
Octane, 4-methyl- |
- |
- |
0.60 |
0.85 |
11 |
7.274 |
Decane |
- |
- |
- |
1.17 |
12 |
7.542 |
Nonane, 2,5-dimethyl- |
- |
- |
0.48 |
- |
13 |
7.664 |
Nonane, 2,6-dimethyl |
- |
- |
1.21 |
1.42 |
14 |
8.26 |
Undecane |
- |
- |
2.60 |
3.11 |
15 |
8.966 |
Undecane, 4,7-dimethyl- |
- |
- |
1.32 |
- |
16 |
10.464 |
Dodecane |
- |
- |
3.94 |
4.16 |
17 |
10.671 |
Undecane, 2,6-dimethyl- |
- |
- |
1.04 |
1.15 |
18 |
11.195 |
Undecane, 4,7-dimethyl- |
- |
- |
- |
0.66 |
19 |
11.402 |
2,4-Dimethyldodecane |
- |
- |
1.50 |
- |
20 |
11.755 |
Dodecane, 2,6,11-trimethyl- |
- |
- |
- |
0.67 |
21 |
11.767 |
Pentadecane |
- |
- |
0.63 |
0.64 |
22 |
11.84 |
Dodecane, 4,6-dimethyl- |
- |
- |
0.62 |
0.67 |
23 |
13.265 |
Tetradecane |
- |
- |
6.25 |
6.38 |
24 |
13.423 |
Dodecanal |
- |
- |
1.18 |
- |
25 |
14.251 |
Tetradecane, 2,6,10-trimethyl- |
- |
- |
0.50 |
- |
26 |
15.42 |
Pentadecane, 3-methyl- |
- |
- |
0.56 |
- |
27 |
15.761 |
Hexadecane |
- |
- |
3.86 |
4.85 |
28 |
16.504 |
Hexadecane, 2-methyl- |
- |
- |
- |
0.83 |
29 |
16.918 |
Heptadecane |
- |
- |
2.02 |
2.14 |
30 |
17.441 |
Pentadecane, 2,6,10-trimethyl- |
- |
- |
0.50 |
0.63 |
31 |
17.539 |
Hexadecane, 2,6,11,15-tetramethyl- |
- |
- |
1.90 |
- |
32 |
18.014 |
Octadecane |
- |
- |
1.89 |
2.79 |
33 |
19.049 / 20.997 |
Heneicosane |
- |
- |
0.77 |
1.17 |
34 |
19.256 |
5-Butyl-5-ethylpentadecane |
- |
- |
- |
0.78 |
35 |
20.047 |
Eicosane |
- |
- |
0.77 |
1.17 |
36 |
20.656 |
Eicosane, 2-methyl- |
- |
- |
0.67 |
0.87 |
37 |
23.603 |
Tetracosane |
- |
- |
2.11 |
1.23 |
Others |
||||||
38 |
2.562 |
Z,Z,Z-4,6,9-Nonadecatriene |
- |
40.02 |
- |
- |
39 |
3.061 |
N-Chloroacetyl-dl-erythro-O-methylthreonine |
0.65 |
- |
- |
- |
40 |
4.364 |
Guanidine |
76.66 |
- |
- |
- |
41 |
5.971 |
Oxime-, methoxy-phenyl-_ |
0.39 |
- |
- |
- |
42 |
6.275 |
Edulan II |
0.20 |
- |
- |
- |
43 |
6.568 |
Acetic acid, N'-[3-(1-hydroxy-1-phenylethyl) phenyl] hydrazide |
0.33 |
- |
- |
- |
44 |
7.03 |
Oxime-, methoxy-phenyl- |
- |
0.52 |
- |
- |
45 |
8.37 |
d-Glycero-d-ido-heptose |
- |
2.17 |
- |
- |
46 |
10.038 |
2,7-Diphenyl-1,6-dioxopyridazino [4,5:2',3'] pyrrolo[4',5'-d] pyridazine |
- |
1.63 |
- |
- |
47 |
10.318 |
4-(cis-2,3,4, trans-6-Tetramethyl-3-cyclohexenyl)-2-butanone semicarbazone |
0.50 |
- |
- |
- |
48 |
11.804 |
(6-Hydroxymethyl-2,3-dimethylphenyl) methanol |
- |
1.95 |
- |
- |
49 |
16.479 |
Benzophenone |
- |
0.61 |
- |
- |
50 |
19.511 |
Octadecanoic acid, 3-hydroxy-2-tetradecyl-, methyl ester |
- |
1.16 |
- |
- |