Table 2.
Cumulative Zn obtained experimentally, parameters A (fast leachable amount) and B (associated rate constant) 1, obtained after fitting of experimental data to the kinetic equation C(t) = A × (1 − e−Bt), total amount of Zn obtained by inductively coupled plasma mass spectrometry, % of bioaccessible Zn, and market segment of the tested samples.
| Sample | Cumulative Bioaccessible Zn/mg kg−1 | A/mg kg−1 | B/min−1 | Total Amount of Zn/mg kg−1 | Bioaccessible Zn/% | Market Segment |
|---|---|---|---|---|---|---|
| Sample #1 | 186 ± 4 | 176 ± 3 | 0.290 ± 0.014 | 352 ± 40 | 52.8 | Premium |
| Sample #2 | 158 ± 1 | 160 ± 4 | 0.178 ± 0.010 | 295 ± 8 | 53.5 | Premium |
| Sample #3 | 120 ± 2 | 118 ± 2 | 0.163 ± 0.004 | 230 ± 57 | 52.3 | Economic |
| Sample #4 | 83 ± 1 | 83 ± 1 | 0.255 ± 0.008 | 169 ± 9 | 49.0 | Medium |
| Sample #5 | 161 ± 2 | 161 ± 1 | 0.236 ± 0.004 | 237 ± 10 | 68.1 | Premium |
| Sample #6 | 143 ± 0 | 149 ± 2 | 0.162 ± 0.004 | 204 ± 10 | 70.0 | Economic |
| Sample #7 | 317 ± 10 | 313 ± 5 | 0.233 ± 0.010 | 526 ± 14 | 60.2 | Premium |
| Sample #8 | 144 ± 1 | 143 ± 2 | 0.211 ± 0.007 | 286 ± 10 | 50.3 | Premium |
| Sample #9 | 191 ± 3 | 189 ± 3 | 0.182 ± 0.008 | 275 ± 5 | 69.4 | Medium |
| Sample #10 | 174 ± 1 | 174 ± 3 | 0.187 ± 0.008 | 285 ± 15 | 61.2 | Medium |
| Sample #11 | 222 ± 4 | 224 ± 5 | 0.184 ± 0.010 | 378 ± 23 | 58.7 | Premium |
| Sample#12 | 173 ± 3 | 160 ± 3 | 0.262 ± 0.013 | 263 ± 36 | 65.7 | Economic |
| Sample #13 | 224 ± 4 | 215 ± 3 | 0.239 ± 0.009 | 421 ± 30 | 53.3 | Medium |
| Sample #14 | 107 ± 5 | 106 ± 3 | 0.185 ± 0.011 | 212 ± 18 | 50.4 | Economic |
1 R2 > 0.960, n = 26 from two independent experiments.