Table 1.
Average elemental composition of the pericarp revealed by ESEM-EDS analysis.
| Elements | Barley | Oats | Einkorn wheat |
|---|---|---|---|
| C | 78.49±1.46 (b) | 78.91±1.93 (b) | 85.26±1.82 (a) |
| O | 19.40±1.18 (a) | 19.90±1.81 (a) | 14.01±1.60 (b) |
| Mg | 0.18±0.03 | nd | nd |
| Si | 0.08±0.01 (b) | 0.26±0.11 (a) | nd |
| P | 0.30±0.07 (a) | 0.15±0.04 (b) | 0.05±0.02 (c) |
| S | 0.16±0.02 (a) | 0.13±0.05 (ab) | 0.10±0.02 (b) |
| K | 0.97±0.13 (a) | 0.38±0.05 (b) | 0.25±0.06 (b) |
| Ca | 0.38±0.13 (a) | 0.23±0.12 (a) | 0.28±0.11 (a) |
| Mn | nd | 0.06±0.01 (a) | 0.11±0.03 (a) |
| Pb | 0.05±0.03 | nd | nd |
Values are reported as atomic percent (%) of the elements and are the mean ± SD of 10 independent analysis. (a,b) Different letters, for the same element, indicate statistically significant differences among the three cereals (P≤0.05, one-way ANOVA); nd, non detected element.