Table 5.
Contributions and representation qualities for each polyphenol on the first three axes
| Polyphenol | Contribution | Quality of representation | |||||
|---|---|---|---|---|---|---|---|
|
|
|
||||||
| Axis 1 | Axis 2 | Axis 3 | Axis 1 | Axis 2 | Axis 3 | ||
| Polyphenols consumed above 20 mg/d | |||||||
| Hesperetin | 17 | 142 | 478 | 17 | 159 | 637 | |
| Quercetin 3-O-rutinoside | 948 | 33 | 7 | 948 | 981 | 988 | |
| 1-Caffeoylquinic acid | 948 | 45 | 6 | 948 | 993 | 999 | |
| 1,3-Dicaffeoylquinic acid | 948 | 45 | 6 | 948 | 993 | 999 | |
| 1,4-Dicaffeoylquinic acid | 948 | 45 | 6 | 948 | 993 | 999 | |
| 3,4-Dicaffeoylquinic acid | 977 | 19 | 2 | 977 | 996 | 998 | |
| 3-Caffeoylquinic acid | 830 | 128 | 31 | 830 | 958 | 989 | |
| 4,5-Dicaffeoylquinic acid | 948 | 45 | 6 | 948 | 993 | 999 | |
| 4-Caffeoylquinic acid | 762 | 170 | 58 | 762 | 932 | 990 | |
| 5-Caffeoylquinic acid | 861 | 87 | 9 | 861 | 948 | 957 | |
| Caffeic acid | 21 | 784 | 179 | 21 | 805 | 984 | |
| Ferulic acid | 3 | 156 | 235 | 3 | 159 | 394 | |
| Lariciresinol | 2 | 236 | 172 | 2 | 238 | 410 | |
| Polyphenols consumed between 5 and 20 mg/d | |||||||
| Malvidin 3-O-glucoside | 24 | 256 | 167 | 24 | 280 | 447 | |
| (−)-Epicatechin | 445 | 274 | 12 | 445 | 719 | 731 | |
| (−)-Epigallocatechin 3-O-gallate | 710 | 8 | 242 | 710 | 718 | 960 | |
| (−)-Epicatechin 3-O-gallate | 729 | 17 | 216 | 729 | 746 | 962 | |
| (+)-Catechin | 305 | 419 | 36 | 305 | 724 | 760 | |
| (+)-Gallocatechin | 711 | 9 | 241 | 711 | 720 | 961 | |
| Procyanidin dimer B2 | 198 | 242 | 46 | 198 | 440 | 486 | |
| Naringenin | 0 | 93 | 49 | 0 | 93 | 142 | |
| Quercetin | 409 | 235 | 104 | 409 | 644 | 748 | |
| 5-O-Galloylquinic acid | 710 | 8 | 242 | 710 | 718 | 960 | |
| Syringic acid | 48 | 14 | 162 | 48 | 62 | 224 | |
| Disuccinoylquinic acid | 317 | 391 | 182 | 317 | 708 | 890 | |
| 3-Feruloylquinic acid | 299 | 548 | 120 | 299 | 847 | 967 | |
| 4-Feruloylquinic acid | 177 | 725 | 15 | 177 | 902 | 917 | |
| 5-Feruloylquinic acid | 163 | 727 | 10 | 163 | 890 | 900 | |
| Caffeoyl-glucose | 317 | 391 | 182 | 317 | 708 | 890 | |
| o-Coumaric acid | 12 | 6 | 284 | 12 | 18 | 302 | |
| p-Coumaric acid | 61 | 93 | 456 | 61 | 154 | 610 | |
| trans-Ferulic acid | 11 | 0 | 52 | 11 | 11 | 63 | |
| Pinoresinol | 11 | 150 | 205 | 11 | 161 | 366 | |
The axes establish the HJ-Biplot reference system and represent latent factorial variables obtained from linear combinations of the initially observed variables.