Table 1.
Compounds tentatively identified in Picea abies and Pinus nigra aqueous bark extracts.
| No. | TR
[min] |
[M − H]− [m/z] |
MF | MS/MS Fragments [m/z] |
Proposed Identity |
Sample | Ref. |
|---|---|---|---|---|---|---|---|
| 1 | 1.9 | 191.0561 | C7H12O6 | 173.0437; 127.0442 | Quinic acid |
Picea abies
Pinus nigra |
[24] |
| 2 | 2.5 | 191.0204 | C6H8O7 | 129.0237; 111.0126 | Citric acid |
Picea abies
Pinus nigra |
[24] |
| 3 | 7.0 | 329.0830 | C14H18O9 | 167.0425; 152.0186; 123.0506 | Vanillic acid hexoside |
Pinus nigra | [25] |
| 4 | 8.1 | 345.1533 | C16H26O8 | 183.0293; 139.0322 | Methoxy- dihydroxybenzoic acid hexoside |
Picea abies | [26] |
| 5 | 8.5 | 299.0832 | C13H16O8 | 137.0284 | Hydroxybenzoic acid hexoside |
Pinus nigra
Picea abies |
[24] |
| 6 | 8.9 | 315.0995 | C14H20O8 | 153.0553; 109.0301 | Dimethoxyphenyl hexoside |
Picea abies
Pinus nigra |
[27] |
| 7 | 9.4 | 313.0919 | C14H18O8 | 151.0433 | Vanillin hexoside | Pinus nigra | [28] |
| 8 | 9.8 | 137.0257 | C7H6O3 | 109.0245 | Hydroxybenzoic acid |
Picea abies
Pinus nigra |
[24,25] |
| 9 | 12.5 | 343.1385 | C16H24O8 | 181.1133 | Dihydro- coniferylalcohol hexoside I |
Pinus nigra | [29,30] |
| 10 | 14.0 | 337.0939 | C16H18O8 | 191.0561; 163.0430; 119.0516 | p-Coumaroylquinic acid | Pinus nigra | [31] |
| 11 | 14.4 | 577.1331 | C30H26O12 | 451.1057; 425.0931; 407.0825; 289.0747; 245.0451; 125.0268 | Procyanidin dimer |
Picea abies
Pinus nigra |
[32,33] |
| 12 | 14.6 | 465.1025 | C21H22O12 | 303.0651; 285.0537; 259.0775; 125.0363 | Taxifolin hexoside I |
Pinus nigra | [32,34] |
| 13 | 14.8 | 355.1050 | C16H20O9 | 193.0604; 178.0266; 149.0626 | Ferulic acid hexoside |
Picea abies | [35,36] |
| 14 | 15.3 | 327.1058 | C15H20O8 | 165.0553 | Dihydroxy propiophenone hexoside |
Picea abies | [37] |
| 15 | 15.8 | 289.0778 | C15H14O6 | 271.0678; 245.0727; 205.0661; 151.0330 | Catechin * |
Picea abies
Pinus nigra |
[25,32] |
| 16 | 16.3 | 343.1388 | C16H24O8 | 181.1149 | Dihydro coniferylalcohol hexoside II |
Pinus nigra | [29,30] |
| 17 | 17.3 | 865.1959 | C45H38O18 | 577.1237; 407.0348; 289.0753 | Procyanidin trimer |
Pinus nigra | [24,32] |
| 18 | 19.4 | 289.0765 | C15H14O6 | 271.0666; 245.0733; 205.0654; 151.0311 | Epicatechin * | Pinus nigra | [24,25] |
| 19 | 20.5 | 405.1172 | C20H22O9 | 243.0723; 201.0586; 159.0482 | Piceatannol hexoside I |
Picea abies | [38] |
| 20 | 21.9 | 465.1025 | C21H22O12 | 303.0638; 285.0539; 259.0749; 125.0313 | Taxifolin hexoside II |
Picea abies
Pinus nigra |
[32,34] |
| 21 | 22.5 | 405.1169 | C20H22O9 | 243.0733; 201.0533; 159.0466 | Piceatannol hexoside II |
Picea abies | [38] |
| 22 | 23.2 | 389.1236 | C20H22O8 | 227.0745; 185.0652; 143.0537 | Resveratrol hexoside |
Picea abies | [38] |
| 23 | 23.5 | 303.0575 | C15H12O7 | 285.0469; 259.0696; 125.0279 | Taxifolin |
Picea abies
Pinus nigra |
[32,34] |
| 24 | 23.8 | 419.1329 | C21H24O9 | 257.0856 | Isorhapontigenin hexoside | Picea abies | [38] |
| 25 | 25.1 | 243.0619 | C14H12O4 | 215.0696; 201.0594; 109.0280 | Piceatannol | Picea abies | [38] |
| 26 | 26.1 | 447.1009 | C21H20O11 | 301.0323; 255.0569 | Quercetin rhamnoside |
Picea abies | [25,33] |
| 27 | 26.4 | 809.2260 | C40H42O18 | 647.1892; 405.1233; 243.715 | Piceaside A/B/G/H | Picea abies | [38] |
| 28 | 26.9 | 837.2621 | C42H46O18 | 675.2224; 513.1569; 243.0739 | Piceaside O/P | Picea abies | [39] |
| 29 | 28.9 | 823.2461 | C41H44O18 | 661.2020; 499.1511; 403.0937; 241.0567 | Piceaside E/F | Picea abies | [38] |
| 30 | 29.8 | 647.1749 | C34H32O13 | 585.2230; 485.1132; 451.1132 | Piceaside J/K | Picea abies | [38] |
| 31 | 30.2 | 257.0827 | C15H14O4 | 241.0521; 224.0468 | Isorhapontigenin | Picea abies | [38] |
| 32 | 30.7 | 647.1778 | C34H32O13 | 485.1267; 405.1142; 243.0645 | Piceaside I/J/K | Picea abies | [38] |
MF: molecular formula; TR: retention time; * confirmed with standard.