Table 2.
MS data in (+/−) ESI modes and the identification results for the constituents in NXT.
| Peak number | RT (min) | Identification | Mode | MS (m/z) | Composition | Herbal source |
|---|---|---|---|---|---|---|
| 1 | 0.647 | Arginine | Pos/Neg | 174.2024 | C6H14N4O2 | PT |
| 2 | 0.702 | Valine | Pos | 117.1478 | C5H11NO2 | PT |
| 3 | 0.721 | Proline | Pos | 115.1331 | C5H9NO2 | PT |
| 4 | 0.776 | Malic acid | Neg | 134.0911 | C4H6O5 | RA |
| 5 | 1.053 | Citric acid | Neg | 192.1286 | C6H8O7 | RA |
| 6 | 1.201 | D-5-oxoproline | Neg | 129.1174 | C5H7NO3 | RAS |
| 7 | 1.201 | L-5-oxoproline | Neg | 129.1174 | C5H7NO3 | RAS |
| 8 | 1.275 | Succinic acid | Neg | 118.0910 | C4H6O4 | RAS, RAB, PT |
| 9 | 1.294 | ρ-Coumaric acid | Pos | 164.1601 | C9H8O3 | RAS |
| 10 | 1.310 | o-Phthalic acid | Pos | 166.1294 | C8H6O4 | RAS |
| 11 | 1.312 | Adenosine | Pos | 267.2403 | C10H13N5O4 | RAS, PT, RCX |
| 12 | 1.331 | Leucine | Pos | 131.1688 | C6H13NO2 | PT |
| 13 | 1.460 | Isoleucine | Pos | 131.1688 | C6H13NO2 | RAB |
| 14 | 1.589 | Gallic acida | Neg | 170.1207 | C7H6O5 | RPR |
| 15 | 2.199 | Phenylalanine | Pos | 165.1874 | C9H11NO2 | FC |
| 16 | 2.459 | Danshensu | Neg | 198.1701 | C9H10O5 | RSM |
| 17 | 2.606 | Palmitic acid | Neg | 256.3380 | C16H32O2 | RAS, FC, RA, SCP |
| 18 | 3.438 | Senkyunolide B | Neg | 204.2374 | C12H12O3 | RCX |
| 19 | 3.456 | Senkyunolide C | Neg | 204.2374 | C12H12O3 | RCX |
| 20 | 3.600 | Protocatechuic aldehyde | Neg | 138.1185 | C7H6O3 | RSM, RC |
| 21 | 3.974 | Mulberroside Aa | Neg | 568.5277 | C26H32O14 | RM |
| 22 | 4.122 | Gallicin | Neg | 184.1453 | C8H8O5 | RPR |
| 23 | 4.230 | Hydroxysafflor yellow A | Pos/Neg | 612.5364 | C27H32O16 | FC |
| 24 | 4.232 | 7-Hydroxycoumarin | Pos | 162.1457 | C9H6O3 | RM |
| 25 | 4.565 | Vanillic acid | Neg | 168.1459 | C8H8O4 | RCX, RPR |
| 26 | 4.694 | Benzoic acid | Neg | 122.1209 | C7H6O2 | RPR |
| 27 | 4.935 | Epicatechin | Neg | 290.2674 | C15H14O6 | CS |
| 28 | 5.157 | Catechin | Neg | 290.2674 | C15H14O6 | RPR |
| 29 | 5.212 | Albiflorin | Pos | 480.4653 | C23H28O11 | RPR |
| 30 | 5.730 | Quercetin-7-O-glucoside | Neg | 464.3754 | C21H20O12 | FC |
| 31 | 5.952 | Rutin | Neg | 610.5203 | C27H30O16 | RA |
| 32 | 5.970 | Calycosina | Neg | 284.2679 | C16H12O5 | RA |
| 33 | 5.988 | Calycosin-7-O-glucoside | Pos | 446.4075 | C22H22O10 | RA |
| 34 | 5.989 | Ferulic acida | Neg | 194.1815 | C10H10O4 | RA, RCX, RAS, RAB |
| 35 | 6.321 | Paeoniflorina | Pos | 480.466 | C23H28O11 | RPR |
| 36 | 6.358 | Pentagalloylglucosea | Neg | 940.68 | C41H32O26 | RPR |
| 37 | 6.413 | Kaempferol-3-O-rutinosidea | Pos/Neg | 594.5179 | C27H30O15 | FC |
| 38 | 6.654 | 3,5-Di-O-caffeoylquinic acida | Pos/Neg | 516.4573 | C25H24O12 | CS |
| 39 | 6.987 | Dicaffeoylquinic acid | Neg | 516.1275 | C25H24O12 | RCX |
| 40 | 7.042 | Z-Butylidenephthalidea | Neg | 188.2259 | C12H12O2 | RCX |
| 41 | 7.210 | Salvianolic acid A | Neg | 494.4578 | C26H22O10 | RSM |
| 42 | 7.449 | 4-Hydroxyl-3-butylphthalide | Pos | 206.2346 | C12H14O3 | RCX |
| 43 | 7.540 | Salvianolic acid B | Neg | 718.6220 | C36H30O16 | RSM |
| 44 | 7.688 | Ononin | Pos | 430.4107 | C22H22O9 | CS |
| 45 | 7.763 | Senkyunolide F | Pos | 206.1017 | C12H14O3 | RCX, RAS |
| 46 | 7.855 | Salvianolic acid E | Neg | 718.1512 | C36H30O16 | RSM |
| 47 | 8.243 | Biochanin A | Pos/Neg | 284.2689 | C16H12O5 | CS |
| 48 | 8.262 | (6aR,11aR)-3-Hydroxy-9,10-dimethoxy pterocarpan | Pos | 300.3107 | C17H16O5 | RA |
| 49 | 8.594 | N1-N5-(Z)-N10-(E)-tri-p-coumaroylspermidine | Pos | 583.2703 | C34H37N3O6 | FC |
| 50 | 8.740 | Benzoylpaeoniflorin | Pos | 584.5723 | C30H32O12 | RPR |
| 51 | 9.518 | Pratensein | Neg | 300.0679 | C16H12O6 | RA |
| 52 | 9.611 | Hydroxyl calendic acid | Neg | 294.4342 | C18H30O3 | SP |
| 53 | 9.648 | Trans-oxyresveratrol | Pos | 244.2435 | C14H12O4 | RM |
| 54 | 10.240 | Formononetina | Pos/Neg | 268.2580 | C16H12O4 | RA |
| 55 | 10.405 | Astragaloside IV | Neg | 784.4633 | C41H68O14 | RA |
| 56 | 10.590 | Senkyunolide H | Neg | 220.2305 | C12H12O4 | RCX |
| 57 | 10.978 | Astragaloside II | Neg | 826.4701 | C43H70O15 | RA |
| 58 | 11.311 | Soyasaponin I | Neg | 942.5145 | C48H78O18 | RA |
| 59 | 11.422 | Methyl tanshinonate | Pos | 338.1087 | C20H18O5 | RSM |
| 60 | 11.588 | Carnosic acid | Neg | 332.4311 | C20H28O4 | RSM |
| 61 | 11.644 | Kaempferol-3-O-glucoside | Neg | 448.3752 | C21H20O11 | FC |
| 62 | 11.699 | Hydroxytanshinone IIA | Pos | 310.1199 | C19H18O4 | RSM |
| 63 | 11.792 | 3-Butylidene-7-hydroxyphalide | Neg | 204.2331 | C12H12O3 | RCX |
| 64 | 11.921 | Tanshinone II-B | Pos | 310.1187 | C19H18O4 | RSM |
| 65 | 12.198 | Senkyunolide A | Pos | 192.2516 | C12H16O2 | RCX |
| 66 | 12.975 | Salvianolic acid F | Neg | 314.0735 | C17H14O6 | RSM |
| 67 | 13.196 | Kumatakenin | Neg | 314.3359 | C17H14O6 | RA |
| 68 | 13.233 | 3-n-Butylphthalide | Pos | 190.2356 | C12H14O2 | RCX |
| 69 | 13.474 | (Z)-ligustilidea | Pos | 190.2109 | C12H14O2 | RAS |
| 70 | 13.483 | (E)-ligustilidea | Pos | 190.2109 | C12H14O2 | RAS |
| 71 | 13.917 | Trijuganone B | Pos | 280.1107 | C18H16O3 | RSM |
| 72 | 16.098 | Cryptotanshinonea | Neg | 296.3642 | C19H20O3 | RSM |
| 73 | 16.394 | Senkyunolide M | Pos | 278.1565 | C16H22O4 | RCX |
| 74 | 17.503 | O-Phthalic anhydride | Pos | 148.0207 | C8H4O3 | FC |
| 75 | 17.614 | Chlorogenic acida | Neg | 354.3120 | C16H18O9 | CS |
| 76 | 18.076 | Tanshinone IIA | Pos | 294.3430 | C19H18O3 | RSM |
| 77 | 18.205 | Angelicide | Pos | 380.1917 | C24H28O4 | RCX |
| 78 | 20.460 | Carthamidin | Pos | 288.2575 | C15H12O6 | FC |
| 79 | 22.078 | Linoleic acid | Neg | 280.2387 | C18H32O2 | SP |
| 80 | 22.659 | Acetyl-11-keto-β-boswellic acid | Pos/Neg | 512.7458 | C32H48O5 | FK |
| 81 | 22.881 | Oleanolic acid | Neg | 456.3652 | C30H48O3 | RSM |
“a” refers to the component has been verified by standard substance.