Table 1.
Triterpene composition of 20 apple cultivars separated into three russeting groups: russeted (four cultivars), semi‐russeted (nine cultivars), and waxy (seven cultivars)
| Cultivars | Triterpene acids (nmol g−1 DW) | Triterpene‐caffeates (nmol g−1 DW) | ||||
|---|---|---|---|---|---|---|
| Ursolic acid | Oleanolic acid | Betulinic acid | Oleanolic acid‐3‐trans‐caffeate | Betulinic acid‐3‐trans‐caffeate | Betulinic acid‐3‐cis‐caffeate | |
| Russeted | ||||||
| St Edmund's Pippin | 2059 ± 70 | 922 ± 160 | 2063 ± 578 | 412 ± 22.4 | 1402 ± 60.9 | 292 ± 15.6 |
| Court Pendu Gris | 743 ± 59 | 500 ± 74 | 1094 ± 61 | 248 ± 4.4 | 2048 ± 23.8 | 3389 ± 11.0 |
| Reinette Parmentier | 2802 ± 151 | 1270 ± 88 | 1262 ± 128 | 511 ± 20.6 | 1287 ± 54.1 | 266 ± 11.9 |
| Patte de loup | 670 ± 50 | 510 ± 59 | 2095 ± 124 | 493 ± 11.0 | 3722 ± 97.8 | 586 ± 28.3 |
| Semi‐russeted | ||||||
| Reinette de Blenheim | 1819 ± 41 | 1240 ± 207 | 527 ± 70.2 | 169 ± 27.0 | 369 ± 25.3 | 105 ± 26.7 |
| Wellant | 2026 ± 98 | 1721 ± 173 | 1059 ± 154 | 185 ± 9.6 | 804 ± 5.3 | 176 ± 7.2 |
| Reinette Professeur Lecrenier | 1464 ± 112 | 991 ± 134 | 1153 ± 250 | 154 ± 2.3 | 719.6 ± 9.7 | 147 ± 11.3 |
| Reinette de France | 1727 ± 270 | 1312 ± 163 | 1091 ± 303 | 72 ± 8.1 | 396 ± 24.7 | 88.9 ± 26.4 |
| Coxigold | 2100 ± 135 | 1974 ± 428 | 1712 ± 729 | 282 ± 12.7 | 1312 ± 26.6 | 256 ± 13.5 |
| CRA‐W/Ma/AA125 | 1962 ± 216 | 1848 ± 210 | 884 ± 440 | 95 ± 2.2 | 291 ± 11.5 | 68 ± 6.4 |
| Reinette de Hollande | 2503 ± 66 | 1319 ± 244 | 575 ± 117 | 270 ± 31.6 | 359 ± 7.3 | 82 ± 7.3 |
| Reinette de Chenée | 2263 ± 61 | 1523 ± 211 | 900 ± 158 | 406 ± 5.7 | 1041 ± 16.6 | 178 ± 2.9 |
| CRA‐W/Ma/AC22 | 1964 ± 319 | 1710 ± 474 | 1354 ± 311 | 208 ± 14.4 | 949 ± 27.6 | 201 ± 9.6 |
| Waxy | ||||||
| CRA‐W/Ma/AF34 | 1680 ± 97 | 1203 ± 125 | 324 ± 100 | 114 ± 13.5 | 185 ± 21.9 | 56.6 ± 38.1 |
| CRA‐W/Ma/AG94 | 3165 ± 249 | 2264 ± 152 | 744 ± 200 | 175 ± 12.6 | 252 ± 21.4 | 72.6 ± 21.0 |
| Topaz | 2942 ± 301 | 2057 ± 366 | 778 ± 218 | 58.8 ± 9.1 | 82.2 ± 13.0 | 34.5 ± 9.3 |
| CRA‐W/Ma/AF42 | 3816 ± 498 | 2540 ± 372 | 734 ± 49.2 | 82.0 ± 4.1 | 161 ± 16.5 | 45.0 ± 14.5 |
| Royal Gala | 2756 ± 103 | 1917 ± 209 | 693 ± 246 | 129 ± 11.8 | 178 ± 26.1 | 48.4 ± 22.8 |
| Lord Lambourne | 3265 ± 178 | 2472 ± 304 | 834 ± 106 | 22.9 ± 1.2 | 121 ± 6.1 | 34.3 ± 0.2 |
| CRA‐W/Ma/AM84 | 2249 ± 127 | 1862 ± 391 | 700 ± 173 | 47.6 ± 2.8 | 135 ± 11.1 | 25.3 ± 0.6 |
Data are expressed in nmol g−1 DW (mean ± SD; n = 3). Data were obtained after HPLC‐DAD analysis as described in the Materials and Methods section.