Table 1.
Elemental mass composition determined by energy dispersive X-ray (EDX) spectroscopy on the various surface areas (cuticle) of the gametophyte Chondrus crispus seaweed (Figure 2).
| Composition (wt%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| N | S | Na | Cl | K | Ca | Mg | C | O | |
| Initial-white | N.D. | 2.8 ± 1.0 b | 24.8 ± 1.0 a | 35.9 ± 11.5 a | 1.1 ± 0.5 b | 0.8 ± 0.1 ab | n.d. | 27.1 ± 9.4 a | 7.3 ± 4.3 b |
| Initial-dark | 9.0 ± 2.7 a | 4.9 ± 0.8 b | 3.2 ± 0.8 b | 4.4 ± 0.5 b | 2.4 ± 0.9 b | 0.6 ± 0.1 ab | 1.2 ± 0.1 a | 40.9 ± 1.3 a | 33.2 ± 0.6 a |
| Washed | 3.8 ± 0.6 b | 11.7 ± 0.8 a | 3.4 ± 0.8 b | 1.4 ± 0.2 b | 5.2 ± 0.6 a | 1.1 ± 0.1 a | 1.8 ± 0.3 a | 33.4 ± 4.1 a | 35.1 ± 2.5 a |
Values are mean ± standard deviation, n = 3. N.D.: Not detected. Values that share the same letter within a category are not significantly different (p < 0.05).