Table 1.
Elemental composition of Kelp from different origins.
| Element | KelpC | KelpBio | KelpI | KelpNA | KelpJ |
|---|---|---|---|---|---|
| Ca | 8220 ± 130b | 8700 ± 100b | 9970 ± 450b | 33,200 ± 3500a | 5190 ± 350c |
| K | 15,100 ± 230b | 14,760 ± 340b | 17,000 ± 400b | 2810 ± 270c | 22,600 ± 1900a |
| S | 10,500 ± 900bc | BDL | 14,400 ± 1800a | 3000 ± 1000c | BDL |
| I | 160 ± 50d | 550 ± 70c | 490 ± 50c | 860 ± 160b | 2270 ± 90a |
| Cu | 4.0 ± 1.0b | 4.0 ± 0.8b | 3.6 ± 0.4b | 3.0 ± 0.7b | 11.0 ± 0.6a |
| Fe | 404 ± 5a | 116 ± 16b | 381 ± 14a | 71 ± 5c | 29 ± 2d |
| Mn | 19.1 ± 1.7a | 16.9 ± 2.7a | 20.0 ± 1.8a | BDL | BDL |
| Ni | BDL | 6 ± 3a | BDL | BDL | BDL |
| Zn | 36 ± 2a | 28 ± 1b | 28 ± 1b | 7 ± 1c | 9 ± 1c |
| Sr | 640 ± 39a | 582 ± 31a | 690 ± 50a | 83 ± 7c | 362 ± 22b |
| Ti | BDL | 25 ± 7b | 34 ± 20b | 27 ± 6b | 86 ± 8a |
| As | 34.0 ± 0.6c | 29 ± 2d | 40 ± 1b | 8.7 ± 0.2e | 60 ± 6a |
Average concentrations in the same row, followed by a common letter, are not significantly different at the 0.05 significance level; mean values obtained on a dry weight basis are expressed in μg/g ± standard deviation; n = 3; BDL = Below the Detection Limit.