Table 2.
The content (µg/g d.w. ± SD) of quantitated compounds in underground parts of C. solida and P. lutea.
| No | Compound | Parent Ion (m/z) | Product Ion (m/z) | Ion Mode | Content Mean ± SD | |
|---|---|---|---|---|---|---|
| ALKALOIDS | C. solida | P. lutea | ||||
| 1 | protopine derivative | 354 | 320, 260, 196 | + | p | p |
| 2 | allocryptopine | 369 | 352, 188, 290 | + | 516 ± 21.52 * | 6 ± 1.37 |
| 3 | coptisine | 320 | 292, 204, 262 | + | 233 ± 5.13 * | 307 ± 17.36 |
| 4 | berberine | 336 | 320, 292, 321 | + | 78 ± 3.58 * | 326 ± 8.40 |
| 5 | chelidonine derivative | 370 | 356, 339 | + | p | nd |
| 6 | chelidonine | 354 | 275, 189, 247 | + | 1 ± 0.05 * | 5 ± 0.20 |
| 7 | chelerythrine | 348 | 332, 304, 333 | + | 7 ± 0.37 * | 6 ± 0.12 |
| 8 | tetrahydroberberine | 340 | 176, 149 | + | p | p |
| 9 | tetrahydrocoptisine | 324 | 176, 149 | + | p | p |
| 10 | coptisine derivative | 324 | 190 | + | p | p |
| 11 | sanguinarine | 332 | 274, 317, 246 | + | 8 ± 0.28 * | 36 ± 3.53 |
| 12 | protopine | 320 | 303, 107, 124 | + | 1125 ± 32.63 * | 1934 ± 25.98 |
| Other Compounds | ||||||
| 13 | malic acid | 133 | 115, 71 | - | LOQ | LOQ |
| 14 | trans-aconitic acid | 173 | 85, 129 | - | LOQ | LOQ |
| 15 | quinic acid | 191 | 85, 93 | - | LOQ | LOQ |
| 16 | trans-caffeic acid | 179 | 135, 134, 89 | - | nd | nd |
| 17 | chlorogenic acid | 353 | 191, 85, 93 | - | 6 ± 1.26 * | nd |
| 18 | p-coumaric acid | 163 | 119, 93, 117 | - | LOD | nd |
| 19 | vanillin | 151 | 136, 92, 108 | - | nd | nd |
| 20 | quercetin | 301 | 151, 65, 121 | - | 19 ± 2.88 * | 76 ± 4.64 |
| 21 | rutin | 609 | 300 | - | nd | nd |
p—present, identification was based on mass spectra with no reference substances; nd—not detected; LOD—limit of detection; LOQ—limit of quantification; means marked with an asterisk (*) within lines differ at significance level p ≤ 0.05 in a Mann–Whitney U test.