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. 2012 Feb 7;17(2):1483–1519. doi: 10.3390/molecules17021483

Table 3.

The mass spectral data of some major products from aldehyde-mediated condensation reactions of anthocyanins and/or flavan-3-ols [63,64,66,128].

Compounds Molecular ion M+ (m/z) Fragment ion M+ (m/z)
Petunidin-glucoside-8-ethyl-(epi)catechin 795 633,505,481,435,328
Malvidin-glucoside-8-ethyl-gallocatechin 825
Malvidin-glucoside-8-ethyl-(epi)catechin 809 657,517,357,341,331
Malvidin-acetylglucoside-8-ethyl-(epi)catechin 851
Malvidin-coumaroylglucoside-8-ethyl-(epi)catechin 955 803,665,647,357,341
Peonidin-glucoside-8-ethyl-(epi)catechin 779
Peonidin-coumaroylglucoside-8-ethyl-(epi)catechin 925 635,617,327
Malvidin-glucoside-4-methyl-(epi)catechin 795 505
Malvidin-glucoside-4-2methylpropyl-(epi)catechin 837 547
Malvidin-glucoside-4-3methylbutyl-(epi)catechin 851 561
Malvidin-glucoside-4-2methylbutyl-(epi)catechin 851 561
Malvidin-glucoside-4-benzyl-(epi)catechin 871 581
Malvidin-glucoside-4-propyl-(epi)catechin 823 533
Malvidin-glucoside-4-ethyl-PC dimer 1097 519
Malvidin-glucoside-4-3methylbutyl-PC dimer 1139
Malvidin-glucoside-4-benzyl-PC dimer 1159 707
Malvidin-glucoside-4-propyl-PC dimer 1111 959
Malvidin-glucoside-4-ethyl-epicatechin-3-O-gallate 961 799,519
Malvidin-glucoside-4-ethyl-B2-3'-O-gallate 1249
Malvidin-glucoside-4-3methylbutyl-epicatechin-3-O-gallate 1003
Malvidin-glucoside-4-3methylbutyl-B2-3'-O-gallate 1291
Malvidin-glucoside-4-benzyl-epicatechin-3-O-gallate 1023 719
Malvidin-glucoside-4-benzyl-PB2-3'-O-gallate 1311 419,581
Malvidin-glucoside-4-propyl-epicatechin-3-O-gallate 975 813,671
Malvidin-glucoside-4-propyl-PB2-3'-O-gallate 1263 821
Malvidin-glucoside-4-methyl-epicatechin-3-O-gallate 947 785,343
Malvidin-glucoside-4-methyl-PB2-3'-O-gallate 1235 1073,793
Malvidin-glucoside-4-isobutyl-epicatechin-3-O-gallate 989 385
Malvidin-glucoside-4-isobutyl-PB2-3'-O-gallate 1277 835