Research Article
The Influence of pH of Extracting Water on the Composition of Seaweed Extracts and Their Beneficial Properties on Lepidium sativum
Table 1
Multielemental composition of the obtained algal extracts (
): comparison with literature data.
| Element | Baltic seaweeds, (mg/kg dry weight) | EpH3 | EpH7 | EpH10 | EpH3·H2O | EpH7·H2O | EpH10·H2O | Extract obtained by boiling in water | Extract obtained by soaking in water | Extract obtained by MAE 25°C | Extract obtained by MAE 40°C | Extract obtained by MAE 60°C | Godlewska et al., 2016 | Present work | Godlewska et al., 2016 | Michalak et al., 2015 | mg/L |
| Macroelements | | Ca | 40292 ± 8058 | 1553 ± 311 | 275 ± 41 | 160 ± 24 | 266 ± 40 | 305 ± 46 | 285 ± 43 | 333 ± 50 | 410 ± 61 | 354 ± 53 | 363 ± 54 | 365 ± 54 | K | 5082 ± 1016 | 1068 ± 214 | 1236 ± 247 | 2264 ± 453 | 1069 ± 214 | 1027 ± 205 | 1023 ± 205 | 969 ± 145 | 978 ± 147 | 868 ± 130 | 901 ± 135 | 951 ± 142 | Mg | 3181 ± 636 | 606 ± 91 | 277 ± 42 | 140 ± 21 | 285 ± 43 | 308 ± 46 | 291 ± 44 | 300 ± 45 | 357 ± 54 | 303 ± 45 | 311 ± 46 | 322 ± 48 | Na | 6354 ± 1271 | 1418 ± 284 | 1190 ± 238 | 1123 ± 225 | 1168 ± 234 | 1286 ± 257 | 1237 ± 248 | 1239 ± 248 | 1302 ± 260 | 1050 ± 211 | 1200 ± 240 | 1250 ± 250 | P | 1155 ± 231 | 4422 ± 884 | | 33.660 ± 5.049 | 161 ± 24 | 27.290 ± 4.094 | 35.96 ± 5.39 | 34.7 ± 5.2 | 5.22 ± 0.78 | 9.52 ± 1.43 | 18.3 ± 2.7 | 32.9 ± 4.9 | S | 8614 ± 1723 | 541 ± 81 | 541 ± 81 | 596 ± 89 | 492 ± 74 | 547 ± 82 | 523 ± 79 | 670 ± 100 | 599 ± 90 | 562 ± 84 | 582 ± 87 | 702 ± 105 |
| Microelements | | B | 97.83 ± 14.68 | 17.78 ± 2.67 | 1.57 ± 0.24 | 0.380 ± 0.057 | 3.69 ± 0.55 | 2.86 ± 0.43 | 2.70 ± 0.41 | 6.50 ± 0.97 | 2.62 ± 0.39 | 3.3 ± 0.5 | 3.44 ± 0.51 | 4.74 ± 0.71 | Cu | 12.69 ± 1.90 | 0.07 ± 0.02 | 0.230 ± 0.035 | 0.27 ± 0.04 | 0.0300 ± 0.0075 | 0.310 ± 0.047 | 0.100 ± 0.015 | 0.140 ± 0.021 | 0.020 ± 0.005 | 0.1170 ± 0.0117 | 0.148 ± 0.022 | 0.108 ± 0.016 | Fe | 6660 ± 1332 | 26.99 ± 4.05 | 11.45 ± 1.72 | 19.48 ± 2.92 | 3.94 ± 0.59 | 6.11 ± 0.92 | 6.820 ± 1.023 | 2.53 ± 0.38 | 17.6 ± 2.6 | 1.19 ± 0.18 | 2.17 ± 0.28 | 4.47 ± 0.70 | Mn | 232 ± 35 | 14.60 ± 2.19 | 1.73 ± 0.26 | 0.78 ± 0.12 | 2.060 ± 0.309 | 2.32 ± 0.35 | 2.11 ± 0.32 | 2.43 ± 0.36 | 3.71 ± 0.56 | 2.52 ± 0.37 | 2.62 ± 0.39 | 3.07 ± 0.46 | Mo | 0.312 ± 0.047 | 0.003 ± 0.001 | 0.010 ± 0.003 | 0.0300 ± 0.0075 | 0.0100 ± 0.0025 | 0.0100 ± 0.0025 | 0.0100 ± 0.0025 | 0.020 ± 0.005 | 0.000 | 0.001 ± 0.000 | 0.179 ± 0.026 | 0.0108 ± 0.0027 | Si | 906.90 ± 136.04 | 27.05 ± 4.06 | 14.43 ± 2.17 | 16.54 ± 2.48 | 6.19 ± 0.93 | 9.64 ± 1.45 | 10.84 ± 1.63 | 9.10 ± 1.36 | 9.73 ± 1.46 | 3.10 ± 0.46 | 6.69 ± 1.00 | 11.9 ± 1.8 | Zn | 64.94 ± 9.74 | 3.41 ± 0.51 | 0.270 ± 0.041 | 0.54 ± 0.08 | 0.140 ± 0.021 | 0.210 ± 0.032 | 0.170 ± 0.026 | 0.240 ± 0.036 | 0.100 ± 0.015 | 0.0746 ± 0.0112 | 0.20 ± 0.03 | 0.169 ± 0.025 |
| Toxic metals | | As | 3.902 ± 0.507 | 0.26 ± 0.04 | 0.150 ± 0.023 | 0.180 ± 0.027 | 0.170 ± 0.026 | 0.150 ± 0.023 | 0.140 ± 0.021 | 0.170 ± 0.022 | 0.160 ± 0.021 | 0.246 ± 0.032 | 0.150 ± 0.019 | 0.198 ± 0.025 | Cd | 0.7067 ± 0.0919 | 0.010 ± 0.003 | <LLD | <LLD | <LLD | <LLD | <LLD | <LLD | <LLD | <LLD | 0.001 ± 0.000 | 0.001 ± 0.000 | Pb | 7.028 ± 0.914 | 0.030 ± 0.008 | 0.0300 ± 0.0075 | 0.0300 ± 0.0075 | 0.0100 ± 0.0025 | 0.020 ± 0.005 | 0.020 ± 0.005 | 0.040 ± 0.008 | 0.0100 ± 0.0025 | 0.0098 ± 0.0020 | 0.0104 ± 0.0021 | 0.032 ± 0.006 |
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<LLD: below detection limit.
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