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. 2022 Jul 26;11(15):2216. doi: 10.3390/foods11152216

Table 5.

Phenolic compounds identified in grapevines hybrids flesh, skins, and juices by LC/MS-Q/TOF.

Compounds Rt
(min)		 λmax (nm) MS [M-H]−(m/z) MS/MS [M-H]−(m/z) Kind of Sample
Anthocyanins
Dephinidin-3-O-rutinoside 4.193 522 611.14+ 303.05 Minnesota—skin;
Beta—skin, juice;
Alwood—skin, juice
Malvidin-3,5-di-O-glucoside 4.444 522 655.27+ 493.11/331.05 Beta—skin
Delphinidin-3-O-(6″-acetyl)-glucoside 4.724 520 507.11+ 303.05 Beta—skin
Delphinidin-3-O-rhamnoside 4.750 522 449.02+ 303.05 Minnesota—skin;
Beta—skin, juice;
Alwood—skin, juice
Malvidin-3-O-galactoside 5.281 527 493.13+ 331.04 Beta—skin;
Alwood—skin
Peonidin-3-O-glucoside 5.301 517 463.10+ 301.07 Minnesota—skin;
Beta—skin, juice;
Alwood—skin, juice
Peonidin-3-O-rutinoside 5.433 522 609.63+ 301.07 Beta—skin;
Alwood—skin
Malvidin-3-O-glucoside 5.503 522 493.10+ 331.04 Beta—skin
Petunidin-3-O-(6″-acetyl)-glucoside 5.885 525 521.12+ 317.07 Beta—skin, juice;
Alwood—skin
Malvidin-3-O-(6″-acetyl)-glucoside 6.971 529 535.23+ 331.05 Beta—skin
Malvidin-3-O-(6-O-caffeoyl)-glucoside 7.320 531 655.17+ 331.04 Beta—skin;
Alwood—skin
Petunidin-3-O-(6″-p-coumaroyl)-glucoside 7.593 527 625.31+ 317.07 Beta—skin;
Alwood—skin, juice
Malvidin-3-O-(6″-p-coumaroyl)-glucoside 8.592 530 639.16+ 331.05 Beta—skin;
Alwood—skin
Flavonols
Myricetin-3-O-glucoside 5.596 360 478.98 316.89 Minnesota—skin;
Alwood—skin, juice
Myricetin-3-O-rhamnoside 6.251 349 464.36 316.89 Michigan—skin, juice
Quercetin -3-O-rutinoside 6.385 355 609.11 300.95 Minnesota—skin;
Michigan—skin, juice;
V68021—skin
Quercetin-3-O-glucuronide 6.553 354 476.95 300.95 Minnesota—skin;
Michigan—skin;
Alwood—skin, juice
Quercetin-3-O-glucoside 6.581 355 462.98 300.95 Michigan—skin;
Alwood—skin, juice
Isorhamnetin-3-O-rutinoside 7.277 355 623.08 315.01 Michigan—skin;
Alwood—skin
Isorhamnetin-3-O-glucoside 7.526 355 477.13 315.01 Michigan—skin;
Alwood—skin, juice
Phenolic acids and stilbenes
Gallic acid 1.386 272 169.11 124.98 Michigan—skin;
Minnesota—pulp;
V68021—pulp;
Gentisic acid 2.391 327 192.99 178.98/149.01 Michigan—pulp, juice;
Caftaric acid 3.160 323 311.04 178.98/149.01 Michigan—pulp, juice, skin;
Minnesota—pulp;
V68021—pulp, skin, juice;
Beta—pulp, skin, juice;
Alwood—pulp, skin, juice
Chlorogenic acid 3.818 325 353.21 191.05 V68021—pulp;
Beta—skin
Caffeoyl glucose 4.089 328 341.01 178.98/160.98/135.00 Michigan—pulp, skin, juice;
Minnesota—pulp, skin, juice;
V68021—pulp;
Caffeic acid 4.103 323 179.07 135.00 Michigan—pulp, skin, juice;
Minnesota—pulp, juice;
V68021—pulp, juice;
Beta—pulp, skin, juice;
Alwood—pulp, skin
Coutaric acid 4.822 312 294.97 162.98 Michigan—pulp, skin, juice;
V68021—juice;
Beta—skin;
Alwood—pulp, skin
Fertratic acid 5.318 327 325.02 192.99/149.01 Michigan—pulp, skin;
V68021—pulp;
Alwood—skin
Trans-resveratrol 7.153 304 227.00 Michigan—skin, juice;
Minnesota—skin, juice;
Flavan-3-ols
Procyanidin dimer 2.819 278 577.14 289.11 Michigan—skin;
V68021—skin, pulp;
(+)-catechin 3.593 278 289.11 Michigan—skin, juice;
Minnesota—pulp, skin, juice;
V68021—pulp, skin, juice;
Beta—pulp, skin, juice;
Alwood—pulp, skin
Procyanidin dimer 3.625 279 578.13 289.11 Michigan—pulp, skin;
Minnesota—pulp, skin;
V68021—pulp, skin, juice;
Alwood—pulp, skin
Procyanidin dimer 4.392 280 578.13 289.11 Michigan—skin, juice;
V68021—juice;
Beta—pulp, skin;
Alwood—pulp
(−)-epicatechin 4.666 278 289.11 Michigan—pulp, skin, juice;
Minnesota—skin, juice;
V68021—pulp, skin, juice;
Beta—pulp, skin, juice;
Alwood—pulp, skin, juice

+[M + H]+ (m/z) for anthocyanins were obtained in the positive mode.