Table 1.
Differentially accumulated flavonoids in H and S petal samples
| Group | Metabolite | Content a | VIP b | Fold change b | |
|---|---|---|---|---|---|
| H | S | ||||
| Anthocyanins | Peonidin 3-O-glucoside chloride | 6.91E + 05 | 6.93E + 06 | 1.50 | 10.1 |
| Pelargonidin 3-O-glucoside | 1.43E + 07 | 4.40E + 07 | 1.06 | 3.19 | |
| Cyanidin 3-O-glucoside | 1.80E + 05 | 1.42E + 06 | 1.43 | 8.13 | |
| Cyanidin O-syringic acid | 9.00E + 00 c | 1.63E + 05 | 3.09 | 1820 | |
| Cyanidin 3-O-rutinoside | 6.29E + 05 | 7.75E + 06 | 1.56 | 12.4 | |
| Cyanidin 3-O-galactoside | 9.80E + 04 | 1.08E + 06 | 1.53 | 11.0 | |
| Cyanidin- 3-O-glucosyl-malonylglucoside | 5.13E + 04 | 6.45E + 03 | 1.45 | 0.112 | |
| Procyanidins | Procyanidin C2 | 2.59E + 06 | 8.37E + 05 | 1.06 | 0.317 |
| Procyanidin C1 | 1.27E + 05 | 2.15E + 04 | 1.32 | 0.165 | |
| Gallocatechin-catechin | 3.34E + 04 | 7.21E + 03 | 1.16 | 0.248 | |
| Epicatechin-epiafzelechin | 1.49E + 06 | 1.76E + 05 | 1.45 | 0.116 | |
| Catechin-catechin-catechin | 2.09E + 05 | 3.84E + 04 | 1.25 | 0.196 | |
| Procyanidin A2 | 9.00E + 00 c | 2.04E + 05 | 3.12 | 2310 | |
| Other flavonoids | Kaempferol 3-O-β-D-sophoroside | 1.43E + 05 | 4.63E + 05 | 1.02 | 3.01 |
| Quercetin- 3-O-(6′′-trans-p-coumaroyl)-β-D-glucopyranoside | 1.68E + 05 | 6.18E + 05 | 1.07 | 3.36 | |
| Kaempferol- 3-O-(6′′-trans-p-coumaroyl)-β-D-glucopyranoside | 5.44E + 04 | 4.00E + 05 | 1.36 | 6.83 | |
| Quercetin- 3-O-(2′′-trans-p-coumaroyl)-β-D-glucopyranoside | 1.15E + 05 | 4.54E + 05 | 1.10 | 3.58 | |
| Kaempferol- 3-O-(2′′-trans-p-coumaroyl)-β-D-glucopyranoside | 6.15E + 04 | 3.01E + 05 | 1.22 | 4.69 | |
| 3-O-(2′′-Cinnamoyl)-β-D-glucoside | 3.60E + 05 | 1.42E + 06 | 1.12 | 3.71 | |
| Quercetin- 7-O-malonylhexosyl-hexoside | 3.84E + 03 | 1.04E + 04 | 1.04 | 3.22 | |
| 5,2′-Dihydroxy-7,8-dimethoxyflavone | 9.00E + 00 c | 1.31E + 04 | 2.63 | 1300 | |
| Apigenin | 9.00E + 00 c | 1.05E + 04 | 2.61 | 1110 | |
| Chrysoeriol O-hexosyl-O-rutinoside | 9.00E + 00 c | 2.12E + 04 | 2.73 | 2200 | |
| Acacetin-7-O-galactoside | 1.10E + 05 | 3.44E + 05 | 1.03 | 3.00 | |
| Tilianin | 8.44E + 04 | 2.50E + 05 | 1.01 | 2.88 | |
| Luteolin-7,3′-di-O-β-D-glucoside | 1.40E + 06 | 4.55E + 06 | 1.12 | 3.92 | |
| Luteolin-7-O-β-D-rutinoside | 4.98E + 04 | 1.31E + 04 | 1.10 | 0.279 | |
| Apigenin 6,8-C-diglucoside | 1.44E + 05 | 9.00E + 00 c | 3.06 | 0.0000625 | |
| Chrysoeriol 7-O-rutinoside | 9.62E + 03 | 9.00E + 00 c | 2.60 | 0.000936 | |
| Luteolin O-hexosyl-O-pentoside | 5.68E + 04 | 4.80E + 03 | 1.53 | 0.0883 | |
| Flavonols | 3,7-Dirhamnoside | 2.47E + 05 | 6.10E + 04 | 1.15 | 0.251 |
| Sexangularetin | 1.37E + 04 | 3.44E + 03 | 1.17 | 0.243 | |
| Kaempferol-3,7-O-α-L-rhamnoside | 4.18E + 04 | 7.32E + 03 | 1.24 | 0.202 | |
| 3,5,6,7,8,3′,4′-Heptamethoxyflavone | 1.41E + 04 | 9.00E + 00 c | 2.64 | 0.000639 | |
| Myricitrin | 7.18E + 04 | 1.75E + 04 | 1.19 | 0.231 | |
| Isorhamnetin | 4.64E + 03 | 9.00E + 00 c | 2.45 | 0.00194 | |
| Rhamnetin | 5.46E + 04 | 1.72E + 04 | 1.06 | 0.314 | |
| Epigallocatechin gallate | 2.24E + 04 | 6.26E + 04 | 1.03 | 3.04 | |
| Flavonoid carbonosides | Isoschaftoside | 4.78E + 03 | 9.00E + 00 c | 2.47 | 0.00188 |
| Isovitexin | 8.62E + 03 | 9.00E + 00 c | 2.58 | 0.00104 | |
| 6-C-Hexosyl-apigenin O-feruloylhexoside | 1.50E + 03 | 2.70E + 04 | 2.17 | 17.3 | |
| Dihydroflavonols | Taxifolin | 1.16E + 05 | 7.13E + 05 | 1.33 | 6.12 |
| 3-O-Acetylpinobanksin | 2.02E + 04 | 5.07E + 03 | 1.06 | 0.254 | |
| Dihydroflavones | Eriodictyol | 1.14E + 04 | 4.45E + 04 | 1.16 | 4.02 |
| Isoflavones | Glisoflavone | 9.00E + 00 c | 3.12E + 03 | 2.49 | 999 |
a H, Neptune King; S, Queen. b Differentially accumulated compounds were identified using the following cutoffs: variable importance in projection (VIP) ≥ 1; fold change < 0.5 or > 2. c 9.00E + 00 represents a barely detectable level