Table 1.
No. | Class | Retention time (min) | Compound |
---|---|---|---|
1 | Amino acids | 4.78 | l-Alanineabd |
2 | 6.84 | l-Valineabd | |
3 | 8.67 | Glycineab | |
4 | 9.82 | l-Serineabd | |
5 | 10.4 | l-Threonineab | |
6 | 13.01 | l-Prolineab | |
7 | 13.07 | l-Aspartic acidab | |
8 | 14.87 | Ornithineab | |
9 | 14.97 | l-Glutamineabd | |
10 | 15.94 | l-Asparagineab | |
11 | Carboxylic acids | 6.54 | Malonateabd |
12 | 9.21 | Propanoic acidabd | |
13 | 12.44 | dl-Malateabd | |
14 | 14.65 | Pentanedioic acidab | |
15 | Fatty acids | 22.07 | Hexadecanoic acidab |
16 | 23.58 | Heptadecanoic acidab | |
17 | 24.58 | 12-Octadecadienoic acidab | |
18 | Inorganic acids | 7.99 | Phosphoric acidabd |
19 | Monosaccharides | 19.9 | d-Fructosec |
20 | 20.63 | d-Glucosec |
VIP = variable importance for projection.
Metabolites were derivatized with trimethylsilyl.
Annotation of metabolites identified by NIST Mass Spectral Library.
Annotation of metabolites identified by mass spectrum of authentic compound.
Metabolites identified with VIP list with cutoff values of VIP > 1.0 and p < 0.05.