International Scholarly Research Notices

Review Article

Recent Applications of Mass Spectrometry in the Study of Grape and Wine Polyphenols

Table 5

Polyphenolic oligomers characterized by LC/ESI- in wine (fractions 8 and 9 in Figure 10) and seeds extracts.
Phenolic compounds(m/z)
[M − H]−[M + H]+[M]+ MS2MS3MS4
PC2 A577   425, 407, 451, 289, 559407 
PC2 B577   439, 425, 393, 269, 533, 559421, 377, 247 
PC1PD1593   441, 289315, 289, 153 
PC2-ethyl605   315, 289, 453 229, 271, 205, 247, 191, 253, 297 
PC2-G A729   407, 559, 577, 451, 425, 441, 603, 289285, 283, 297, 389, 256, 281, 243 
PC2-G B729   407, 559, 577, 451, 425, 441, 603, 289407, 451, 289, 559, 425 
PC3 A865   847, 577, 289451, 289 
PC3 B865   695, 577, 575 407, 543, 739, 713, 449, 587, 451, 407 543, 525, 677, 243, 405, 433, 451, 525, 363, 289, 501, 407, 557, 568, 391, 651 
PC2-2G (A-type)879   709, 727, 547, 439557, 541, 571, 539 
PC2-2G (B-type)881   729, 559, 407, 711, 577451, 407, 577, 603, 441, 559, 289 
PC2PD1 883  847, 731, 579427, 289 
PC3-ethyl A893   603, 577, 451, 433, 407, 425, 315, 741451, 433, 289, 287, 266 
PC3-ethyl B893   603, 577, 451, 433, 407, 425, 315, 741 407, 451, 425, 541 
PC3-G A1017   729, 865, 847, 677, 891, 695, 577, 575, 557, 727, 739, 559, 771, 407577, 559, 407, 425, 451, 603, 289, 467, 541 
PC3-G B1017   729, 865, 847, 677, 891, 695, 577, 575, 557, 727, 739, 559, 771, 407 695, 407, 577, 575, 727, 425, 525, 739 
PC3-G C1017   729, 865, 847, 677, 891, 695, 577, 575, 557, 727, 739, 559, 771, 407677, 695, 525, 603, 451, 405 
PC4 A1153   863, 577451, 289 
PC4 B1153   865, 983, 575, 695, 739, 1027, 863, 577, 1001, 449 425, 803, 449, 451, 533, 559 
PC4 C1153    865, 983, 575, 695, 739, 1027, 863, 577, 1001, 449739, 577, 449, 610, 675, 447, 425, 289 
PC4 D1153    865, 983, 575, 695, 739, 1027, 863, 577, 1001, 449423, 449, 413, 405, 287, 289 
PC6-4G or PC6PD1-2G   11681017, 729575 
PC7PD1-6G or PC7PD2-4G or PC7PD3-2G   16161084, 1641  
PC411531155  863, 577451, 289 
PC3-2G A1169   1017, 881, 729, 847, 999, 891, 577729, 847, 321, 621, 495, 603, 451, 289, 577 
PC3-2G B1169   1017, 881, 729, 847, 999, 891, 577 729, 407, 559, 711, 577, 289 
PC5 1443  1425, 1291, 1155, 865, 577847, 577 
PC2-Mv-3-glu  1069 781619601, 331
Mv-3-glc-PC313571067, 779617437
PCn: n units of (epi)catechin; nG: number of galloyl units. Bold/underlined ions were subjected to next fragmentation stage [43, 57].