Table 1.
Xanthones partially identified in extract of Fridericia formosa by LC-DAD-MS.
| Compound | Molecular Formula | RT (min) | UV (nm) | HRMS [M+H]+ (m/z) | Error ppm | [M−H]− (m/z) | Characteristic m/z of Ions in Positive Ion Mode (%) | |
|---|---|---|---|---|---|---|---|---|
| 1 | Isomangiferin | C19H18O11 | 11.0 | 218, 258, 318, 373 | 423.0922 | 1.2 | 421.23 | 423.0920 (48.6), 405.0814 (33.6), 357.0604 (20.6), 339.0498 (18.3), 327.0500 (35.5), 303.0497 (73.2), 299.0548 (23.0), 274.0434 (20.0), 273.0392 (100.0), 257.0440 (20.9) |
| 2 | Mangiferin | C19H18O11 | 12.1 | 190, 218, 258, 318, 373 | 423.0921 | 1.2 | 421.25 | 423.0922 (46.5), 405.0817 (30.4), 387.0710 (14.6), 339.0500 (15.0), 327.0500 (27.2), 303.0500 (61.0), 299.0551 (18.8), 274.0438 (14.5), 273.0395 (100.0), 257.0446 (19.9) |
| 3 | Mangiferin-O-pentosyl derivative | C24H26O15 | 12.6 | 218, 240, 258, 318, 365 | 555.1339 | 2.0 | 553.16 | 555.1366 (100.0), 405.0842 (48.6), 387.0715 (38.7), 369.0602 (40.7), 339.0494 (34.6), 327.0508 (64.2), 303.0497 (86.4), 273.0395 (83.5), 163.0376 (36.2) |
| 4 | Dimethoxy-galloyl-mangiferin | C28H26O15 | 13.2 | 218, 258, 318, 373 | 603.1341 | 1.5 | 601.32 | 603.1328 (45.5), 405.0816 (100.0), 369.0609 (37.9), 327.0483 (49.5), 303.0494 (87.0), 285.0388 (34.6), 273.0398 (95.3), 245.1378 (41.2), 181.0486 (44.2), 139.0384 (51.5) |
| 5 | p-Hydroxybenzoylmangiferin derivative | C26H22O13 | 14.8 | 219, 258, 318, 373 | 543.1132 | 1.1 | 541.27 | 543.1133 (64.3), 423.0711 (13.7), 327.0498 (13.0), 303.0499 (38.6), 285.0395 (100.0), 273.0393 (23.8), 257.0445 (30.2), 121.0279 (56.9) |
| 6 | Vanilloylmangiferin derivative | C27H24O14 | 15.0 | 218, 258, 318, 373 | 573.1235 | 1.6 | 571.20 | 573.1229 (14.6), 313.0912 (5.0), 303.0494 (7.7), 285.0394 (35.6), 273.0389 (6.1), 257.0446 (8.2), 151.0386 (100.0) |
| 7 | 2′-O-trans-caffeoylmangiferin | C28H24O14 | 15.1 | 219, 258, 318, 373 | 585.1238 | 1.0 | 583.28 | 585.1240 (26.9), 423.0923 (22.9), 327.0499 (11.7), 303.0500 (25.9), 285.0395 (28.0), 273.0395 (20.7), 257.0444 (9.4), 163.0388 (100.0) |
| 8 | p-Hydroxybenzoylmangiferin derivative | C26H22O13 | 15.2 | 219, 258, 318, 373 | 543.1131 | 1.3 | 541.53 | 543.1128 (78.9), 369.0603 (24.4), 339.0498 (69.1), 327.0496 (21.3), 303.0498 (23.2), 285.0391 (53.5), 274.0430 (18.7), 273.0392 (100.0), 121.0278 (65.3) |
| 9 | Caffeoylmangiferin derivative | C28H24O14 | 15.4 | 219, 258, 318, 373 | 585.1238 | 1.0 | 583.28 | 585.1236 (1.1), 387.0707 (12.5), 369.0604 (14.4), 357.0602 (13.7), 339.0497 (22.9), 327.0500 (11.2), 303.0498 (18.5), 273.0393 (55.9), 163.0389 (100.0) |
| 10 | Mangiferin derivative | C25H22NO12 | 15.5 | 208, 218, 258, 315, 373 | 528.1133 | 1.7 | 527.62 | 528.1130 (72.3), 510.1011 (52.8), 369.0603 (74.7), 351.0476 (41.4), 327.0487 (46.0), 303.0503 (100.0), 299.0548 (43.3), 273.0392 (61.6), 124.0387 (89.8) |
| 11 | 2′-O-trans-coumaroylmangiferin | C28H24O13 | 15.8 | 208, 226, 258, 314, 373 | 569.1292 | 0.5 | 567.47 | 569.1292 (26.3), 327.0499 (5.7), 303.0501 (15.6), 285.0395 (24.3), 273.0395 (9.8), 257.0446 (8.2), 147.0437 (100.0) |
| 12 | Mangiferin derivative | C30H28O15 | 15.9 | 222, 258, 316, 369 | 629.1497 | 1.4 | 627.34 | 629.1501 (9.4), 303.0493 (8.4), 285.0392 (9.1), 273.0397 (4.8), 207.0653 (100.0), 175.0390 (36.2), 147.0437 (19.2), 119.0482 (5.1) |
| 13 | Metoxi-O-caffeoylmangiferin derivative | C29H26O14 | 16.0 | 220, 258, 316, 369 | 599.1396 | 0.7 | 597.53 | 599.1394 (13.1), 303.0499 (8.9), 285.0395 (11.4), 273.0396 (4.7), 257.0448 (3.1), 177.0547 (100.0), 149.0595 (4.1), 145.0281 (31.5) |
| 14 | Coumaroylmangiferin derivative | C28H24O13 | 16.3 | 221, 258, 317, 369 | 569.1289 | 1.0 | 567.15 | 569.1289 (32.8), 387.0712 (9.3), 369.0605 (12.8), 339.0499 (23.9), 303.0500 (11.3), 273.0394 (39.7), 163.0388 (9.8), 147.0438 (100.0) |
| 15 | Coumaroylmangiferin derivative | C28H24O13 | 16.4 | 221, 258, 316, 369 | 569.1290 | 0.9 | 567.54 | 569.1289 (35.0), 387.0709 (10.0), 369.0604 (12.8), 339.0499 (24.1), 303.0500 (11.3), 289.0342 (8,5), 273.0394 (40.6), 147.0438 (100.0) |
| 16 | Caffeoylmangiferin derivative | C28H24O14 | 16.6 | 221, 258, 316, 369 | 585.1239 | 0.8 | 583.41 | 585.1240 (13.7), 405.0829 (10.5), 369.0604 (18.5), 357.0602 (13.7), 303.0498 (63.0), 285.0400 (13.0), 273.0396 (18.6), 163.0389 (100.0), 145.0280 (11.6) |
| 17 | Benzoylmangiferin derivative | C26H22O12 | 16.9 | 221, 258, 318, 369 | 527.1180 | 1.7 | 525.46 | 527.1180 (41.3), 407.0765 (18.9), 327.0502 (6.9), 285.0394 (100.0), 273.0391 (11.2), 267.0862 (14.1), 261.0396 (6.1), 257.0440 (30.1) |
| 18 | Caffeoylmangiferin derivative | C28H24O14 | 17.1 | 221, 258, 318, 369 | 585.1239 | 0.8 | 583.18 | 585.1235 (24.2), 405.0816 (13.7), 369.0607 (28.6), 351.0496 (10.4), 327.0499 (15.0), 303.0501 (81.3), 285.0400 (11.2), 273.0395 (23.9), 163.0389 (100.0) |
| 19 | p-Hydroxybenzoylmangiferin derivative | C26H22O13 | 17.4 | 221, 258, 318, 369 | 543.1131 | 1.3 | 541.34 | 543.1108 (31.7), 423.0730 (9.7), 303.0497 (100.0), 285.0398 (52.7), 273.0396 (24.3), 257.0445 (20.5), 121.0279 (30.7) |
| 20 | Cinnamoylmangiferin derivative | C28H24O12 | 17.5 | 221, 258, 318, 369 | 553.1339 | 1.3 | 551.53 | 553.1350 (19.4), 303.0497 (16.3), 285.0396 (36.9), 273.0394 (11.1), 257.0456 (9.8), 163.0389 (16.4), 131.0488 (100.0) |
| 21 | Mangiferin derivative | C33H36O15 | 17.7 | 221, 258, 318, 369 | 673.2122 | 1.5 | 671.36 | 673.2146, 423.0917 (77.8), 303.0488 (53.6), 285.0387 (52.6), 233.1165 (70.1), 215.1064 (70.0), 205.1228 (66.4), 187.1119 (96.8), 173.0957 (100.0), 145.1011(98.6) 143.0701 (56.2) |
| 22 | Coumaroylmangiferin derivative | C28H24O13 | 17.7 | 221, 258, 316, 369 | 569.1290 | 0.9 | 567.47 | 569.1303 (19.2), 357.0597 (25.6), 303.0491 (52.6), 274.0411 (17.4), 273.0390 (78.6), 163.0377 (25.6), 147.0440 (100.0) |
| 23 | p-Hydroxybenzoylmangiferin derivative | C26H22O13 | 17.8 | 221, 258, 318, 369 | 543.1128 | 1.8 | 541.47 | 543.1129 (57.0), 423.0704 (14.0), 327.0489 (22.9), 303.0493 (48.6), 285.0400 (100.0), 283.0810 (22.8), 257.0444 (31.1), 121.0280 (92.1) |
| 24 | Caffeoylmangiferin derivative | C28H24O14 | 17.9 | 221, 258, 318, 369 | 585.1238 | 1.0 | 583.61 | 585.1245 (19.7), 423.0925 (9.6), 303.0498 (13.8), 285.0390 (27.4), 273.0394 (13.1), 257.0447 (8.4), 163.0389 (100.0), 145.0280 (11.2), 135.0435 (9.9) |
| 25 | Coumaroylmangiferin derivative | C28H24O13 | 18.2 | 221, 258, 316, 369 | 569.1289 | 1.0 | 567.41 | 569.1284 (20.3), 369.0601 (21.1), 327.0498 (9.9), 303.0500 (53.9), 273.0390 (14.1), 163.0384 (10.2), 147.0438 (100.0), 119.0487 (10.3) |
| 26 | 2′-O-trans-cinnamoylmangiferin | C28H24O12 | 18.6 | 221, 258, 318, 369 | 553.1339 | 1.3 | 551.40 | 553.1338 (19.4), 433.0918 (10.3), 303.0497 (14.2), 285.0394 (63.5), 273.0395 (12.3), 257.0446 (16.5), 131.0488 (100.0) |