Table 2.
The concentrations of elements (mg/kg) in samples of Fucus vesiculosus extracts (mean ± SD, n = 3).
| Elements | LOQ | UAE | CE | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| NADES1 | NADES2 | NADES3 | H20 | 70% Acetone | NADES1 | NADES2 | NADES3 | H20 | ||
| Al | 1.6 | 3.15 ± 0.06 | 17.8 ± 2.9 | 2.12 ± 0.19 | 48.5 ± 0.6 | 56.5 ± 1.2 | 6.50 ± 0.10 | 14.08 ± 0.21 | 8.34 ± 0.16 | 33.4 ± 0.6 |
| As | 6.3 | nd | nd | nd | nd | nd | nd | nd | nd | nd |
| Ba | 0.016 | 0.15 ± 0 | 0.13 ± 0.01 | 0.030 ± 0.001 | 0.43 ± 0.01 | 2.25 ± 0.03 | 0.14 ± 0.00 | 0.093 ± 0.002 | 0.17 ± 0.00 | 0.55 ± 0.01 |
| Ca | 1.9 | 454 ± 2 | 304 ± 14 | 282 ± 4 | 4173 ± 40 | 918 ± 8 | 471 ± 3 | 224 ± 2 | 429 ± 4 | 4056 ± 38 |
| Co | 0.12 | nd | nd | nd | nd | nd | nd | nd | nd | nd |
| Cr | 0.13 | 0.76 ± 0.04 | 1.36 ± 0.02 | 2.28 ± 0.06 | 8.19 ± 0.16 | 50.4 ± 1.4 | 0.75 ± 0.05 | 1.15 ± 0.04 | 2.33 ± 0.04 | 7.19 ± 0.07 |
| Cu | 0.17 | nd | nd | 0.25 ± 0.02 | 6.24 ± 0.10 | 17.3 ± 0.7 | nd | nd | 0.60 ± 0.02 | 3.81 ± 0.11 |
| Fe | 0.098 | 13.6 ± 0.1 | 11.2 ± 0.1 | 6.30 ± 0.11 | 107 ± 1 | 124 ± 1 | 11.9 ± 0.1 | 7.67 ± 0.09 | 17.1 ± 0.1 | 93.9 ± 1.1 |
| Mg | 1.7 | 366 ± 3 | 263 ± 3 | 228 ± 4 | 8974 ± 74 | 723 ± 16 | 300 ± 4 | 80 ± 1 | 402 ± 5 | 8856 ± 68 |
| Mn | 0.058 | 4.71 ± 0.03 | 3.02 ± 0.02 | 2.64 ± 0.03 | 94.0 ± 0.9 | 20.9 ± 0.3 | 3.86 ± 0.04 | 1.53 ± 0.02 | 5.01 ± 0.04 | 89.2 ± 0.7 |
| Sr | 0.026 | 20.8 ± 0.2 | 13.3 ± 0.6 | 8.73 ± 0.11 | 77.1 ± 0.6 | 14.5 ± 0.1 | 15.8 ± 0.2 | 9.17 ± 0.07 | 17.6 ± 0.2 | 76.8 ± 0.7 |
| Zn | 0.17 | 4.26 ± 0.05 | 3.40 ± 0.02 | 2.25 ± 0.05 | 52.8 ± 0.5 | 64.8 ± 1.1 | 4.85 ± 0.04 | 3.15 ± 0.04 | 4.77 ± 0.08 | 49.8 ± 0.5 |
nd < LOQ. UAE: Ultrasound-assisted extraction; CE: Conventional extraction.