Table 1.
Characteristics of 23 peaks from FPT-N by HPLC-MS/MS in negative mode.
| Peak No. | tR/min | [M − H]− (Error(ppm)) | Fragments | Formula | Identification |
|---|---|---|---|---|---|
| 1 | 11.08 | 755.2126(1.0) | 300.028, 271.024 | C33H40O20 | Quercetin-3-O-(2G-α-l-rhamnosyl)-rutinoside |
| 2 | 17.10 | 609.1489(0.5) | 300.028, 271.025, 255.029, 178.997 | C27H30O16 | Quercetin-3-O-neohesperidoside |
| 3 | 18.50 | 739.2189(−0.3) | 575.143, 473.115, 284.033, 255.029, 227.033 | C33H40O19 | Kaempferol-3-O-(2G-α-l-rhamnosyl)-rutinoside |
| 4 | 20.40 | 769.2280(0.7) | 314.043, 299.019, 271.024, 178.998 | C34H42O20 | Isorhamnetin-3-O-2G-rhamnosylrutinoside |
| 5 | 24.57 | 609.1520(1.3) | 300.028, 271.025, 255.030, 151.002 | C27H30O16 | Rutin |
| 6 | 26.62 | 593.1558(2.8) | 473.112, 447.097, 429.083, 327.052, 284.032, 255.029, 227.034, 178.998 | C27H30O15 | Kaempferol-3-O-neohesperidoside |
| 7 | 27.60 | 623.1656(3.1) | 459.093, 314.042, 299.018, 285.039, 271.023, 257.044, 243.028 | C28H32O16 | Isorhamnetin-3-O-neohesperidoside |
| 8 | 30.62 | 261.1301(0.2) | 187.098, 169.086, 125.098, 97.068 | C12H22O6 | Unknown |
| 9 | 31.10 | 593.1582(−1.4) | 285.041, 255.031, 227.035, 151.003 | C27H30O15 | Kaempferol-3-O-rutinoside |
| 10 | 32.87 | 623.1655(2.3) | 315.051, 300.027, 271.024, 255.029 | C28H32O16 | Isorhamnetin-3-O-rutinoside |
| 11 | 33.50 | 447.0957(1.3) | 284.033, 255.030, 227.035, | C21H20O11 | Kaempferol-3-O-glucoside |
| 12 | 34.04 | 767.2160(3.2) | 705.213, 665.181, 623.168, 314.045, 299.019, 271.024, 178.996 | C34H40O20 | Isorhamnetin-3-O-rutinoside-7-O-rhamnoside |
| 13 | 34.80 | 187.0972(−0.4) | 125.098, 97.067 | C9H16O4 | Unknown |
| 14 | 35.52 | 477.1072(1.9) | 314.043, 299.020, 285.041, 271.025, 257.045, 243.030, 151.003 | C22H22O12 | Isorhamnetin-3-O-glucoside |
| 15 | 45.85 | 201.1136(2.5) | 183.103, 139.113, 57.039 | C10H18O4 | Unknown |
| 16 | 47.12 | 301.0367(−2.0) | 273.042, 243.028, 178.998, 151.004, 121.030 | C15H10O7 | Quercetin |
| 17 | 48.09 | 429.0848(2.1) | 411.073, 355.073, 313.035, 301.036, 279.051, 205.013, 163.003, 151.003, 121.029 | C21H18O10 | Unknown |
| 18 | 49.49 | 411.0743(0.6) | 369.062, 327.051, 313.036, 202.999, 177.019, 149.024 | C21H16O9 | Huaicarbon A |
| 19 | 54.45 | 271.0633(0.8) | 187.039, 151.004, 119.051 | C15H12O5 | Naringenin |
| 20 | 54.80 | 411.0742(1.1) | 383.078, 327.051, 261.040, 177.019, 163.003, 121.029 | C21H16O9 | Huaicarbon B |
| 21 | 57.02 | 215.1301(2.7) | 197.119, 153.129, 125.098 | C11H20O4 | Unknown |
| 22 | 59.00 | 285.0415(1.0) | 239.035, 187.039, 143.050 | C15H10O6 | Kaempferol |
| 23 | 62.15 | 316.0562(1.4) | 301.032, 272.029, 256.034, 164.009, 151.004, 107.014 | C16H12O7 | Isorhamnetin |