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. 2022 Jun 14;23(12):6623. doi: 10.3390/ijms23126623

Table 2.

Identification of polyphenol-related metabolites in the developing walnut endopleura. The compounds with values > 100 × 104 are highlighted with bold font. The nine color subclasses are from Figure 4.

Compounds Molecular Weight (Da) P1 P2 P3 P4 P5 Subclass
×104 ×104 ×104 ×104 ×104
Phenylalanine 165 1367.73 613.52 152.69 186.15 230.17 9
Naringenin chalcone 272 40.63 30.8 55.69 70.03 47.05 1
Naringenin (5,7,4′-trihydroxyflavanone) 272 27.55 19.02 32.15 45.58 29.86 1
Aromadendrin (dihydrokaempferol) 288 6.87 4.01 4.34 4.12 4.3
Dihydroquercetin(taxifolin) 304 94.73 221.76 156.95 116.33 130.31
Catechin 290 533.24 875.19 1288.7 1184.77 1861.27 3
Epicatechin 290 64.98 153.18 167.48 220.96 311.58 3
PROANTHOCYANIDINs
Procyanidin B3 578 15.78 117.61 290.39 269.8 400.24 3
(EC→EC)g(1) 730 45.41 79.09 147.32 170.2 187.31 3
Procyanidin B2 578 61.04 111.94 152.08 174.53 348.35 3
Procyanidin B1 578 11.41 83.99 186.75 175.01 276.04 3
Procyanidin B4 578 10.81 21.49 68.08 91.78 141.51 3
Galloylprocyanidin B4 730 34.51 72.99 143.77 137.29 204.11
Procyanidin C1 3′-O-gallate 1018 8.82 24.19 27.92 29.96 31.35
Pedunculagin 784 1.83 8.78 32.76 62.05 64.32 3
Procyanidin C2 866 7.31 13.29 22.66 30.32 44.74 3
Procyanidin A6 592 5.33 5.56 13.58 13.34 25.18 3
Galloylprocyanidin C2 1018 0.66 3.53 4.41 5.47 5.95 6
Procyanidin C1 866 1.22 5.59 12.65 8.59 13.97 6
(EC→EC→EC)g(4) 1018 0.77 1.45 4.26 2.89 4.33
(EC→EC→EC)g(5) 1018 0 3.12 4.4 3.02 4.09 6
(EC→EC→EC)g(3) 1018 0.79 2.12 3.11 5.09 3.54
Kaempferol glycosides
Kaempferol-4′-O-glucoside 448 11.68 0 0 0 0
Kaempferol-3,7-O-dirhamnoside (kaempferitrin) 578 17.14 47.25 102.78 120.58 203.56 3
Kaempferol-3-O-(6″-acetyl)glucosyl-(1→3)-Galactoside 652 0 1.85 3.93 4.13 10.45 3
Kaempferol-3-O-rhamnoside (afzelin) (kaempferin) 432 6.81 10.54 8.72 10.5 5.71
Kaempferol-3-O-glucoside (astragalin) 448 11.93 134.91 284.47 385.36 497.94 3
Kaempferol-3-O-(6″-p-coumaroyl)glucoside (Tiliroside) 594 0 1.78 2.57 1.84 2.84 6
Kaempferol-3-O-rutinoside (nicotiflorin) 594 0 1.1 4.16 11.91 13.58 3
Kaempferol-3,7-di-O-glucoside 610 0 1.78 6.89 8.68 9.77 3
Kaempferol-3-O-(6″-malonyl)glucoside 534 0 0 1.13 1.68 1.54 3
Kaempferol-3-O-sophoroside 610 0.66 0.97 1.04 0.82 0.79
Quercetin glycosides
Avicularin(quercetin-3-O-α-L-arabinofuranoside) 434 188.08 754.09 1127.83 1422.17 1467.53 6
Quercetin-3-O-(6″-malonyl)glucoside 550 0 0 0 1.69 1.47 1
Quercetin-4′-O-glucoside (spiraeoside) 464 26.09 56.66 109.49 164.76 204.97 3
Quercetin-7-O-glucoside 464 18.68 44.89 86.32 117.17 141.43 3
Quercetin-3-O-glucoside (isoquercitrin) 464 28.33 64.87 95.64 127.38 103.48 6
Quercetin-3-O-rhamnoside (quercitrin) 448 607.33 1176.8 1408.7 880.52 984.4
Quercetin-3-O-galactoside (hyperin) 464 34.74 94.1 135.54 162.06 138.69 6
Quercetin-3-O-(6″-galloyl)galactoside 616 48.03 346.3 630.69 649.71 805.03 6
Quercetin-3-O-(2″,3″-digalloyl)-glucoside 768 366.24 258.37 230.15 235.74 148.62 9
Quercetin-7-O-rutinoside 610 6.92 1.83 4.83 5.15 6.42 4
Quercetin-3-O-xyloside (reynoutrin) 434 223.32 865.72 1326.27 1676.7 1694.33 6
Quercetin-3-O-(6″-galloyl)glucoside 616 45.85 327.28 600.16 667.84 727.71 6
Quercetin-3-O-(2″-O-rhamnosyl)galactoside 610 0 2.17 1.45 1.57 2.07 6
Quercetin-5-O-glucuronide 478 4.35 5.91 16.55 8.05 10.25
Quercetin-3-O-sambubioside 596 1.28 0 0 4.41 6.23 3
Quercetin-3-O-(6″-p-coumaroyl)glucoside 610 0 2.25 2.91 1.99 4.16 6
Quercetin-7-O-(6″-malonyl)glucoside 550 1.21 4.2 4.03 3.04 2.21 7
Quercetin-3-O-glucosyl(1→4)rhamnoside-7-O-rutinoside 918 15.81 17.68 12.23 9.29 7.12 2
Quercetin-3-O-(6″-malonyl)glucosyl-5-O-glucoside 712 0 0.51 0.96 0.64 0.85 6
Quercetin-3,4′-O-di-glucoside 626 0 1.29 5.57 5.9 8.48 3
Quercetin-3-O-(2″-O-glucosyl)glucuronide 640 1.84 2.71 2.04 0 0 2