Table 4.
Summary of chemical constituents identified in T. quinquecostatus alcoholic extract responding to Figure 3b.
| Peak NO. | Retention Time (min) | Molecular Formula | MW | Precurser Ions [M + H]+ | Fragmentation | Tentative Structural Elucidation |
|---|---|---|---|---|---|---|
| 28 | 6.31 | C15H12O5 | 272.25 | 272.9965 | 254.9872, 245.0031, 229.0079, 210.9974, 198.9973, 185.0181, 118.9713 | Naringenin |
| 29 | 8.11 | C27H30O15 | 594.52 | 595.1621 | 577.1669, 559.1462, 541.1353, 529.1353, 511.1248, 475.1426, 457.1143 | Luteolin-O-rutinoside |
| 9 | 8.81 | C22H22O12 | 478.406 | 479.0795 | 317.0836, 303.0502 | Isorhamnetin-O-glucoside |
| 13 | 9.33 | C21H18O12 | 462.36 | 463.0854 | 287.0551, 251.1245 | Scutellarin |
| 30 | 9.62 | C16H12O6 | 300.26 | 301.0693 | 286.0468, 273.0385, 242.0498, 227.0236, 167.7154 | Sorbifolin |
| 6 | 9.80 | C16H18O9 | 354.31 | 355.1710 | 337.1066, 203.0522, 193.1195 | Chlorogenic acid |
| 8 | 9.93 | C21H18O11 | 446.36 | 447.0904 | 429.0816, 271.0603 | Apigenin-7-O-glucuronide |
| 31 | 10.15 | C27H30O14 | 578.52 | 579.1078 | 517.1119, 471.1556, 399.0691, 381.0586, 337.0686, 319.0580 | Apigenin-7-O-rutinoside |
| 32 | 10.25 | C20H20O5 | 340.375 | 341.0640 | 323.0548, 297.0756, 279.0649, 187.0387 | Prenylnaringenin |
| 12 | 10.38 | C9H8O4 | 180.16 | 181.0492 | 163.0388 | Caffeic acid |
| 33 | 10.83 | C21H22O10 | 434.39 | 435.1234 | 391.1365, 373.1256, 349.1255, 271.0421, 227.0523 | Naringenin-7-O-glucoside |
| 19 | 11.44 | C15H10O6 | 286.24 | 287.0532 | 153.0182, 137.8446 | Luteolin or Scutellarein |
| 21 | 12.18 | C17H14O7 | 330 | 331.0792 | 316.0573, 298.0466, 255.0646, 213.0387 | Thymusin |
| 22 | 12.28 | C15H10O5 | 270.24 | 271.0584 | 135.0026 | Apigenin |
| 2 | 14.35 | C16H12O7 | 316.26 | 317.1001 | 275.0909, 197.0441, 147.0437, 125.0232, | Isorhamnetin |
| 25 | 14.41 | C17H14O6 | 314.289 | 315.0845 | 300.0626, 282.0520, 196.0326, 175.6378, 154.7404 | Ladanein or Cirsimaritin |
| 34 | 14.83 | C19H18O8 | 374.345 | 375.1054 | 360.0840, 345.0603,213.0390, 165.0342 | Methyl rosmarinate |
| 26 | 15.99 | C18H16O7 | 344.319 | 345.0952 | 330.0732, 312.0626, 297.0390, 227.0547, 212.8993 | Xanthomicrol |
| 27 | 16.76 | C18H16O7 | 344.319 | 345.0953 | 330.0733, 315.0498, 149.0233, 135.0439 | Cirsilineol |
| 7 | 18.98 | C20H20O8 | 388.372 | 389.1206 | 374.0994, 359.0758, 341.0652, 328.0936, 227.0544 | Desmethylnobiletin |
| 20 | 19.35 | C18H16O6 | 328.32 | 329.1000 | 314.0782, 301.1792, 287.1273, 269.1168, 163.0750, 135.0803 | Salvigenin |
| 35 | 20.08 | C19H18O7 | 358.346 | 359.1108 | 344.0889, 329.0654, 311.0547, 227.0548, 182.2784 | Gardenin B |