Table 4.
Composition of minerals, trace, and ultra-trace elements of 15 hazelnut cultivars grown under identical conditions in Thuringia, Germany.
| Mg (mg/100 g) | Ca (mg/100 g) | Mn (mg/100 g) | Fe (mg/100 g) | Cu (mg/100 g) | Zn (mg/100 g) | Mo (mg/100 g) | Se (µg/100 g) | As (µg/100 g) | |
|---|---|---|---|---|---|---|---|---|---|
| Tonda di Giffoni | 148 ± 3 | 177 ± 4 | 2.78 ± 0.09 | 3.02 ± 0.04 | 1.14 ± 0.02 | 2.48 ± 0.03 | 0.109 ± 0.003 | 5.10 ± 0.20 | 1.57 ± 0.14 |
| Juningia | 155 ± 3 | 155 ± 1 | 1.22 ± 0.02 | 2.88 ± 0.07 | 0.948 ± 0.013 | 2.12 ± 0.003 | 0.310 ± 0.004 | 4.33 ± 0.28 | 0.95 ± 0.04 |
| Ennis | 162 ± 3 | 140 ± 2 | 1.17 ± 0.02 | 3.21 ± 0.02 | 0.764 ± 0.011 | 2.36 ± 0.05 | 0.414 ± 0.004 | 3.11 ± 0.11 | 2.01 ± 0.06 |
| Cosford | 178 ± 3 | 247 ± 2 | 2.94 ± 0.01 | 3.42 ± 0.03 | 1.26 ± 0.01 | 2.91 ± 0.03 | 0.256 ± 0.003 | 4.55 ± 0.45 | 2.53 ± 0.09 |
| Red Lambert | 151 ± 1 | 176 ± 1 | 0.682 ± 0.001 | 3.34 ± 0.03 | 1.21 ± 0.004 | 2.48 ± 0.01 | 0.231 ± 0.002 | 2.73 ± 0.21 | 2.57 ± 0.07 |
| Englische Riesen | 211 ± 1 | 241 ± 3 | 2.71 ± 0.02 | 3.09 ± 0.04 | 1.36 ± 0.01 | 2.87 ± 0.01 | 0.309 ± 0.002 | 4.49 ± 0.47 | 3.58 ± 0.04 |
| Webb’s Prize Cob | 173 ± 3 | 235 ± 3 | 1.40 ± 0.01 | 3.71 ± 0.05 | 1.06 ± 0.02 | 2.92 ± 0.01 | 0.331 ± 0.006 | 3.69 ± 0.23 | 3.47 ± 0.12 |
| Gustav’s Zellernuss | 206 ± 2 | 224 ± 1 | 2.10 ± 0.01 | 3.90 ± 0.004 | 1.84 ± 0.06 | 3.01 ± 0.01 | 0.479 ± 0.010 | 3.29 ± 0.27 | 3.81 ± 0.07 |
| Pauetet | 162 ± 2 | 175 ± 0.4 | 1.87 ± 0.02 | 3.73 ± 0.06 | 1.52 ± 0.02 | 3.02 ± 0.04 | 0.117 ± 0.001 | 6.25 ± 0.51 | 2.35 ± 0.06 |
| Corabel | 188 ± 5 | 212 ± 5 | 2.91 ± 0.05 | 4.26 ± 0.11 | 2.17 ± 0.03 | 3.93 ± 0.06 | 0.280 ± 0.005 | 4.79 ± 0.45 | 2.38 ± 0.07 |
| Hall’s Giant | 182 ± 1 | 211 ± 14 | 1.67 ± 0.10 | 3.67 ± 0.04 | 1.71 ± 0.05 | 3.40 ± 0.03 | 0.297 ± 0.005 | 2.94 ± 0.23 | 2.91 ± 0.07 |
| Merveille de Bollweiler | 213 ± 5 | 201 ± 6 | 1.77 ± 0.04 | 3.74 ± 0.12 | 1.85 ± 0.05 | 2.88 ± 0.05 | 0.515 ± 0.008 | 3.68 ± 0.05 | 2.13 ± 0.05 |
| Gunslebener Zellernuss | 209 ± 3 | 207 ± 1 | 3.92 ± 0.02 | 4.67 ± 0.03 | 1.79 ± 0.04 | 3.43 ± 0.03 | 0.351 ± 0.001 | 4.11 ± 0.56 | 2.69 ± 0.03 |
| Emoa-1 | 180 ± 3 | 225 ± 1 | 1.94 ± 0.04 | 3.49 ± 0.05 | 0.972 ± 0.010 | 2.81 ± 0.02 | 0.279 ± 0.004 | 4.23 ± 0.11 | 1.99 ± 0.07 |
| Barcelloner Zellernuss | 171 ± 6 | 232 ± 11 | 2.33 ± 0.10 | 3.99 ± 0.29 | 0.779 ± 0.027 | 2.68 ± 0.11 | 0.204 ± 0.003 | 3.83 ± 0.26 | 2.61 ± 0.16 |
Data refer to fresh weight; values are expressed as means ± SD (n = 3).