Table 2.
Identification of the different amount of compounds from A. keiskei between the blank and test groups by UPLC-MS/MS in negative ion mode.
| No. | tR (min) | Measured m/z
[M + H]+ |
Theoretical Formula [M + H]+ |
Error (ppm) | HCD (eV) | Fragment Ions (m/z) Abundance Rate (%) | Identification |
|---|---|---|---|---|---|---|---|
| N1 | 7.65 | 369.1320 | C21H21O6 | −3.4 | 50 | 369.1389 (100) 297.0811 (1.3) 119.0517 (0.9) |
Xanthoangelol E |
| N2 | 10.08 | 299.0905 | C17H15O5 | −2.9 | 40 | 299.0959 (100) 119.0516 (10) |
Phellopterin |
| N3 | 10.87 | 353.1370 | C21H21O5 | −3.7 | 50 | 353.1436 (100) 239.1103 (2.4) 119.0518 (32) |
Xanthoangelol H |
| N4 | 13.2 | 339.1216 | C20H19O5 | −3.1 | 50 | 339.1274 (100) 119.0517 (17) |
(2E)-1-[4-hydroxy-2-(2-hydroxy-2-propanyl)-2,3-dihydro-1-benzofuran-7-yl]-3-(4-hydroxyphenyl)-2-propen-1-one |
| N5 | 13.82 | 439.1737 | C25H27O7 | −3.2 | 50 | 439.1779 (100) 319.1223 (3.4) 119.0525 (2.2) |
Xanthokeismin B |
| N6 | 14.32 | 353.1373 | C21H21O5 | −2.9 | 50 | 353.1435 (100) 283.1014 (12) 119.0517 (32) |
Xanthoangelol D |
| N7 | 16.35 | 407.1837 | C25H27O5 | −3.8 | 50 | 407.1913 (100) 287.1324 (5.5) 119.0517 (2.2) 243.142 (0.8) |
Xanthoangelol B |
| N8 | 19.95 | 391.1892 | C25H27O4 | −3.0 | 50 | 391.1956 (100) 271.137 (11) 119.0518 (4) |
Xanthoangelol |