Table 1.
tR (min) | Compound | Neutral Formula | Mode | m/z | Δ * | Mσ ** | Major Fragments (%) | HG,% | HP,% | HIh,% | Ref | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 1.89 | 3-CQA (Neochlorogenic acid) | C16H18O9 | [M − H]− [2M − H]− |
353.0872 707.1820 |
1.6 0.9 |
1.5 1.3 |
191.0558 (100) (C7H11O6), 179.0342 (80.5) (C9H7O4), 173.0342 (3.5) (C7H9O5), 161.0236 (4.8) (C9H5O3), 135.0439 (14.1) (C8H7O2) | _ | _ | 1.27 | [15] |
2 | 2.56 | Cis-3-pCoQA | C16H18O8 | [M − H]− [2M − H]− |
337.0923 675.1926 |
1.6 0.74 |
6.8 9.3 |
191.0559 (7.1) (C7H11O6), 173.0453 (4.1) (C7H9O5), 163.0390 (100) (C9H7O3), 155.0336 (2.3) (C7H7O4), 119.0487 (8.6) (C8H7O) | _ | _ | 1.51 | [15] |
3 | 2.64 | Trans-3-pCoQA | C16H18O8 | [M − H]− [2M − H]− |
337.0921 675.1919 |
2.5 1.8 |
4.3 8.6 |
191.0558 (37.6) (C7H11O6), 173.0449 (4.4) (C7H9O5), 163.0392 (100) (C9H7O3), 155.0343 (2.0) (C7H7O4), 119.0489 (9.2) (C8H7O) | _ | _ | 0.31 | [15] |
4 | 2.81 | a 5-CQA (Chlorogenic acid) | C16H18O9 | [M − H]− [2M − H]− |
353.0871 707.1822 |
0.7 1.0 |
1.9 23.5 |
191.0556 (100) (C7H11O6), 161.0244 (1.53) (C9H5O3) | _ | TA | 1.37 | [15] |
5 | 2.99 | pCoA-4-O-hexoside | C15H18O8 | [M − H]− [2M − H]− |
325.0923 651.1925 |
1.8 0.8 |
9.7 11.4 |
163.0393 (100) (C9H7O3), 119.0490 (12.6) (C8H7O) | TA | TA | 0.12 | [15] |
6 | 3.05 | a 4-CQA (Cryptochlorogenic acid) | C16H18O9 | [M − H]− [2M − H]− |
353.0874 707.1829 |
1.2 −0.1 |
3.6 15.3 |
191.0552 (40.4) (C7H11O6), 179.0343 (84.5) (C9H7O4), 173.0446 (100) (C7H9O5), 161.0231 (2.7) (C9H5O3), 155.0330 (5.3) (C7H7O4), 135.0441 (13.9) (C8H7O2) | _ | _ | 0.20 | [15] |
7 | 3.21 | Cis-3-FerQA | C17H20O9 | [M − H]− [2M − H]− |
367.1025 735.2128 |
2.6 1.9 |
4.0 15.7 |
193.0500 (100) (C10H9O4), 173.0450 (4.0) (C7H9O5), 155.0343 (1.2) (C7H7O4), 149.0597 (2.0) (C9H9O2), 134.0363 (C8H6O2●) (6.1) | TA | TA | 1.24 | [15] |
8 | 3.31 | Trans-3-FerQA | C17H20O9 | [M − H]− [2M − H]− |
367.1030 735.2138 |
1.2 0.6 |
6.7 36.2 |
193.0502 (100) (C10H9O4), 173.0445 (5.5) (C7H9O5), 155.0338 (1.0) (C7H7O4), 149.0599 (4.3) (C9H9O2), 134.0365 (11.8) (C8H6O2●) | _ | _ | 0.16 | [15] |
9 | 3.72 | # Licoagroside B (maltol-3-O-[HMG-(1→6)]-β-glucoside) | C18H24O12 | [M − H]− [2M − H]− |
431.1189 863.2463 |
1.3 0.9 |
4.3 7.2 |
161.0448 (10) (C6H9O5), 125.0232 (100) (C6H5O3) | 1.80 | 1.33 | 1.10 | [14] |
10 | 3.81 | # (2R,3R)-Benzoyl-tartaric acid | C11H10O7 | [M − H]− | 253.0340 | 5.4 | 6.8 | 130.9969 (26.3) (C4H3O5), 121.0277 (100) (C7H5O2) | _ | 1.01 | _ | [15] |
11 | 3.87 | #Cis-2-hydroxy-4-methoxycinnamic acid 2-O-β-glucoside (cis-GMCA) | C16H20O9 | [M − H]− | 355.1017 | 5.2 | 4.9 | 193.0494 (100) (C10H9O4), 149.0591 (75.4) (C9H9O2), 134.0367 (5.5) (C8H6O2●) | _ | 5.76 | _ | [15] |
12 | 4.70 | Trans-4-FerQA | C17H20O9 | [M − H]− | 367.1028 | 1.9 | 4.1 | 193.0501 (21.3) (C10H9O4), 191.0558 (40.6) (C7H11O6), 173.0455 (100) (C7H9O5), 155.0349 (4.0) (C7H7O4), 134.0372 (2.5) (C8H6O2●) | TA | TA | 0.22 | [15] |
13 | 4.77 |
# 3-(2-glucosyloxy-4- methoxyphenyl)propanoic acid (GMPPA) |
C16H22O9 | [M − H]− | 357.1174 | 4.9 | 0.7 | 195.0650 (100) (C10H11O4), 177.0541 (2.8) (C10H9O3), 151.0748 (10.7) (C9H11O2), 136.0512 (1.1) (C8H8O2●) | _ | 1.07 | _ | [15] |
14 | 5.41 | N-Malonyl-tryptophan | C14H14N2O5 | [M + H]+ | 291.0969 | 2.3 | 4.6 | 273.0868 (19.0) (C14H13N2O4), 245.0916 (100) (C13H13N2O3), 227.0807 (24.9) (C13H11N2O2), 188.0702 (21.9) (C11H10NO2), 130.0647 (18.7) (C9H8N) | _ | _ | NC | [15] |
15 | 5.52 |
#Trans-2-hydroxy-4- methoxycinnamic acid 2-O-β-glucoside (trans-GMCA) |
C16H20O9 | [M − H]− | 355.1016 | 5.3 | 0.7 | 193.0494 (100) (C10H9O4), 149.0591 (36.5) (C9H9O2), 134.0357 (4.7) (C8H6O2●) | _ | 1.58 | _ | [15] |
16 | 5.60 |
# Apiorutin (quercetin-3-O-[β-Api-(1→2)]-[α-Rha-(1→6)]-β-glucoside) |
C32H38O20 | [M − H]− | 741.1868 | 2.1 | 5.9 | 609.1461 (0.5) (C27H29O16), 591.1362 (0.3) (C27H27O15), 300.0269 (100) (C15H8O7●), 271.0244 (4.5) (C14H7O6), 255.0299 (2.0) (C14H7O5), 178.9986 (2.0) (C8H3O5), 151.0028 (0.9) (C7H3O4) | 1.50 | 0.33 | _ | [14] |
17 | 5.83 | Kaempferol-3-O-(dHex-(1→2))-[dHex-(1→2)]- hexoside |
C33H40O19 | [M − H]− | 739.2080 | 1.5 | 29.0 | 575.1392 (0.6) (C27H27O14), 284.0316 (100) (C15H8O6●), 255.0291 (7.4) (C14H7O5), 227.0341 (4.5) (C13H7O4), 178.9973 (1.2) (C8H3O5), 151.0024 (1.5) (C7H3O4) | _ | _ | 0.16 | [15] |
18 | 6.18 | # Rutin (quercetin-3-O-[α-Rha-(1→6)]-β-glucoside) | C27H30O16 | [M − H]− | 609.1453 | 1.5 | 8.3 | 343.0459 (1.7) (C17H11O8), 300.0268 (100) (C15H8O7●), 255.0299 (1.0) (C14H7O5), 178.9986 (2.9) (C8H3O5), 151.0037 (1.8) (C7H3O4) | 1.87 | 5.27 | 0.82 | [14] |
19 | 6.33 | Quercetin-3-O- hexoside |
C21H20O12 | [M − H]− | 463.0874 | 1.6 | 4.8 | 343.0459 (1.4) (C17H11O8), 300.0267 (100) (C15H8O7●), 255.0299 (1.1) (C14H7O5), 178.9965 (1.8) (C8H3O5), 151.0035 (1.5) (C7H3O4) | TA | 0.22 | 0.18 | |
20 | 6.76 | Kaempferol-3-O-[dHex-(1→6)]- hexoside |
C27H30O15 | [M − H]− | 593.1499 | 1.3 | 2.1 | 327.0502 (3.2) (C17H11O7), 285.0389 (53.9) (C15H9O6), 284.0317 (100) (C15H8O6●), 255.0300 (2.9) (C14H7O5), 227.0343 (1.7) (C13H7O4), 151.0035 (2.1) (C7H3O4) | _ | _ | 0.19 | [15] |
21 | 6.95 | Kaempferol-3-O-hexoside | C21H20O11 | [M − H]− | 447.0902 | 2.0 | 6.5 | 284.0322 (47.4) (C15H8O6●) | _ | _ | TA | [15] |
22 | 6.96 | Quercetin- 3-O-[HMG]- hexoside |
C27H28O16 | [M − H]− | 607.1219 | 2.4 | 7.2 | 545.1280 (8.0) (C26H25O13), 505.0990 (37.2) (C23H21O13), 463.0874 (47.5) (C21H19O12), 300.0268 (100) (C15H8O7●), 271.0235 (2.9) (C14H7O6), 255.0292 (1.5) (C14H7O5), 178.9978 (3.1) (C8H3O5), 151.0028 (2.6) (C7H3O4) | _ | _ | TA | [15] |
23 | 7.00 | Blumenin isomer (sesquiterpenoid cyclohexanone-hexuronosyl-hexoside) | C25H40O13 | [M − H]− | 547.2383 | 1.3 | 12.3 | 347.2062 (3.7) (C19H31O7), 209.1529 (1.7) (C13H21O2), 175.0239 (4.3) (C6H7O6), 161.0444 (1.5) (C6H9O5) | _ | _ | TA | [23] |
24 | 7.17 | Kaempferol-3-O-[HMG-(1→3/4)]-[dHex-(1→2)]-hexoside | C33H38O19 | [M − H]− | 737.1919 | 2.1 | 1.5 | 675.1922 (1.4) (C32H35O16), 635.1602 (5.7) (C29H31O16), 593.1528 (8.1) (C27H29O15), 429.0819 (0.7) (C21H17O10), 284.0317 (100) (C15H8O6●), 255.0293 (4.4) (C14H7O5), 227.0340 (2.0) (C13H7O4), 178.9974 (0.8) (C8H3O5), 151.0027 (0.9) (C7H3O4) | _ | _ | 1.22 $ | [15] |
25 | 7.19 | Nicotiflorin (kaempferol-3-O-[Rha-(1→6)]-glucoside) | C27H30O15 | [M − H]− | 593.1501 | 1.8 | 4.4 | 327.0498 (2.4) (C17H11O7), 285.0392 (100) (C15H9O6), 255.0291 (1.9) (C14H7O5), 227.0344 (0.9) (C13H7O4), 151.0027 (1.2) (C7H3O4) | 0.44 | 0.44 | [14] | |
26 | 7.58 | # Narcissin (isorhamnetin-3-O-[α-Rhap-(1→6)]-β-glucoside) | C28H32O16 | [M − H]− | 623.1603 | 2.3 | 5.1 | 357.0609 (1.5) (C18H13O8), 315.0499 (100) (C16H11O7), 300.0266 (5.9) (C15H8O7●), 271.0244 (1.3) (C14H7O6), 151.0028 (0.7) (C7H3O4) | 7.34 | 5.43 | 0.96 | [14] |
27 | 7.77 | 4,4′-Dimethoxy-2,2′-di-O-hexoside-truxinate (cyclodimer of GMCA) | C32H40O18 | [M − H]− | 711.2128 | 1.9 | 6. 9 | 549.1606 (12.9) (C26H29O13), 531.1497 (8.5) (C26H27O12), 369.0973 (51.4) (C20H17O7), 343.1181 (41.6) (C19H19O6), 299.1284 (23.7) (C18H19O4), 271.0970 (92.1), 256.0737 (2.7) (C15H12O4●), 193.0502 (100) (C10H9O4), 149.0599 (41.8) (C9H9O2), 134.0361 (8.2) (C8H6O2●) | _ | TA | _ | [15] |
28 | 7.80 | Kaempferol-3-O-[HMG-(1→3/4)]-hexoside | C27H28O15 | [M − H]− | 591.1344 | 1.9 | 5.6 | 529.1343 (13.8) (C26H25O12), 489.1031 (39.2) (C23H21O12), 447.0920 (31.8) (C21H19O11), 327.0499 (1.8) (C17H11O7), 284.0318 (100) (C15H8O6●), 255.0282 (1.4) (C14H7O5), 229.0503 (1.1) (C13H9O4), 151.0025 (0.9) (C7H3O4) | _ | _ | 0.25 | |
29 | 7.81 | Isorhamnetin-3-O-hexoside | C22H22O12 | [M − H]− | 477.1030 | 1.7 | 12.8 | 357.0604 (3.0) (C18H13O8), 314.0422 (100) (C16H10O7●), 299.0195 (1.46) (C15H7O7), 285.0397 (1.3) (C15H9O6), 271.0220 (1.6) (C14H7O6), 151.0034 (2.0) (C7H3O4) | TA | TA | TA | |
30 | 9.10 |
a Herniarin (7-methoxy- coumarin) |
C10H8O3 | [M + H]+ | 177.0557 | −5.8 | 1.9 | 177.0537 (100), 133.0659 (4. 3), 121.0658 (2.9) | _ | 1.59 | _ | [15] |
31 | 9.94 | # 7-O-Methylquercetin-3-O-[HMG-(1→6)]-[α-Rha-(1→2)]-β-galactoside | C34H40O20 | [M − H]− | 767.2035 | 0.7 | 17.0 | 705.2059 (0.4) (C33H37O17), 665.1726 (1.8) (C30H33O17), 623.1619 (4.8) (C28H31O16), 314.0429 (100) (C16H10O7●); 299.0196 (13.1) (C15H7O7), 271.0246 (2.4) (C14H7O6), 193.0145 (0.8) (C9H5O5), 165.0189 (1.5) (C8H5O4) | _ | _ | 0.31 | [15] |
32 | 10.20 | 7-O-Methylkaempferol-3-O-[dHex-(1→2)]-hexoside | C28H32O15 | [M − H]− | 607.1672 | −0.6 | 1.6 | 298.0484 (100) (C16H10O6●), 283.0248 (10.2) (C15H7O6), 271.0610 (0.9) (C15H11O5), 255.0298 (1.1) (C14H7O5), 165.0190 (0.7) (C8H5O4) | _ | _ | 0.51 | [15] |
33 | 10.72 |
# Oxytroflavoside A (7-O-methylkaempferol-3-O-[HMG-(1→6)]-[α-Rha-(1→2)]-β- galactoside) |
C34H40O19 | [M − H]− | 751.2089 | 0.3 | 14.8 | 649.1772 (2.2) (C30H33O16), 607.1666 (4.4) (C28H31O15), 298.0481 (100) (C16H10O6●), 283.0247 (13.5) (C15H7O6); 271.0610 (0.9) (C15H11O5), 255.0298 (1.7) (C14H7O5), 165.0186 (0.7) (C8H5O4) | _ | _ | 14.73 | [15] |
34 | 11.05 | # 7-O-Methylkaempferol-3-O-[HMG-(1→6)]-[α-Rha-(1→2)]-β-glucoside | C34H40O19 | [M − H]− | 751.2090 | 0.2 | 4.4 | 649.1788 (1.4) (C30H33O16), 607.1670 (5.5) (C28H31O15), 298.0483 (100) (C16H10O6●), 283.0247 (13.3) (C15H7O6), 271.0616 (0.8) (C15H11O5), 255.0301 (1.5) (C14H7O5), 165.0188 (0.8) (C8H5O4) | _ | _ | 0.91 | [15] |
35 | 11.26 |
# Oxytroflavoside C (main) (7-O-methylkaempferol-3-O-[HMG-(1→4)]-[α-Rha-(1→2)]-β-galactoside]) Oxytroflavoside B (minor) (7-O-methylkaempferol-3-O-[HMG-(1→3)]-[α-Rha-(1→2)]-β-galactoside) |
C34H40O19 | [M − H]− | 751.2086 | 0.6 | 8.1 | 649.1779 (1.6) (C30H33O16), 607.1676 (8.8) (C28H31O15), 298.0483 (100) (C16H10O6●), 283.0249 (11.2) (C15H7O6), 271.0614 (1.0) (C15H11O5), 255.0303 (1.2) (C14H7O5), 165.0189 (0.7) (C8H5O4) | _ | _ | 1.38 $ | [15] |
36 | ||||||||||||
37 | 11.54 | 7-O-Methyl-kaempferol-3-O-[HMG-(1→3/4)]-hexoside | C28H30O15 | [M − H]− | 605.1515 | −0.5 | 11.4 | 543.1516 (8.0) (C27H27O12), 503.1198 (27.1) (C24H23O12), 461.1093 (22.9) (C22H21O11), 341.0663 (1.8) (C18H13O7), 298.0482 (100) (C16H10O6●), 283.0247 (6.2) (C15H7O6); 255.0302 (1.0) (C14H7O5), 165.0192 (1.3) (C8H5O4) | _ | _ | 0.32 | [15] |
38 | 11.77 | 7-O-Methyl-kaempferol-3-O-[dHex-(1→2)]-pentoside | C27H30O14 | [M − H]− | 577.1565 | −0.5 | 13.5 | 413.0888 (1.0) (C21H17O9), 298.0490 (100) (C16H10O6●), 283.0250 (7.3) (C15H7O6), 255.0302 (1.0) (C14H7O5), 165.0188 (0.9) (C8H5O4) | _ | _ | 0.12 | [15] |
Sum | 12.95 | 24.03 | 29.56 |
Notes: a Identification with an analytical standard. # Isolated and NMR confirmed. * Accuracy of mass measurements expressed in parts per million (ppm). ** Isotopic pattern fit factor (mσ). %—Percentage of a compound in the purified extracts. ● Anionradical. $ Co-eluting peaks. CQA—caffeoylquinic acid; pCoQA—p-coumaroylquinic acid; FerQA—feruloylquinic acid; pCoA—p-coumaric acid; dHex—deoxyhexosyl; Rha—rhamnopyranosyl; Api—apifuranosyl; HMG—3-hydroxy-3-methylglutaryl; TA—trace amount; NC—not calculated; Ref.—references.