Table 1.
HPLC- ESI-MS data of nine common peeks.
| No. | Retention Time (min) | λmax(nm) | Observed m/z | Fragment Ion | Component Name |
|---|---|---|---|---|---|
| 1 | 5.23 | 238 | 414.8 [M + Na]+ | 216.2, 234.3, 252.3 | Shanzhiside |
| 2 | 5.78 | 238 | 397.0 [M + Na]+ | 202.0, 216.2, 234.2 | Geniposidic acid |
| 3 | 6.66 | 238 | 426.9 [M + Na]+ | 232.2, 246.3, 264.3 | Gardenoside |
| 4 | 13.20 | 238 | 573.0 [M + Na]+ | 304.4, 364.5 | Genipin-1-gentiobioside |
| 5 | 13.32 | 320 | 376.7 [M + Na]+ | 184.3, 215.3 | Chlorogenic acid |
| 6 | 16.63 | 238 | 410.7 [M + Na]+ | 230.2 | Geniposide |
| 7 | 31.28 | 440 | 999.7 [M + Na]+ | 346.5, 582.8, 674.8 | Crocin-1 |
| 8 | 34.09 | 440 | 837.5 [M + Na]+ | 346.5, 512.7, 674.8 | Crocin-2 |
| 9 | 54.72 | 440 | 350.9 [M + Na]+ | 249.5, 289.5, 306.5 | Crocetin |