Table 1. Mass spectrometry (MS) fragmentation of the basil components by high performance liquid chromatography (HPLC)-MS.
Peak number | RTa | [M-H]- | Compound | Reference |
---|---|---|---|---|
1 | 8.17 | 447 | luteolin 5-O-glucoside | Literature Data (Grayer et al., 2002) |
2 | 10.4 | 395 | caffeic acid derivative | Literature Data (Jaiswal & Kuhnert, 2011; Jayasinghe, Gotoh, Aoki, & Wada, 2003) |
3 | 10.7 | 179 | caffeic acid | Commercial Standard |
4 | 11.3 | 609 | rutin | Commercial Standard |
5 | 12.1 | 473 | chicoric acid | Commercial Standard |
6 | 12.4 | 537 | kaemperol 3-O-maonylglucoside | Literature Data (Grayer et al., 2002) |
7 | 13.4 | 503 | luteolin acetyl-glucuronide | Literature Data (Jayasinghe, Gotoh, Aoki, & Wada, 2003) |
8 | 14.0 | 548 | unknown | / |
9 | 14.5 | 411 | unknown | / |
10 | 16.1 | 359 | rosmarinic acid | Commercial Standard |
11 | 16.8 | 307 | unknown | / |
12 | 20.2 | 456 | ursolic acid | Commercial Standard |
RT stands for retention time (unit: minutes).