| Metal |
KSA Light |
KSA Dark |
UAE |
Arabian Coffee |
| Sodium |
57 |
54 |
18.7 |
6.6–1467 |
| Potassium |
2147 |
2167 |
2396 |
11,400–29,100 |
| Calcium |
356 |
355 |
306 |
490-2200 |
| Copper |
6.7 |
6.4 |
5.5 |
0.4-30 |
| Iron |
25.4 |
79.4 |
18.1 |
12-617 |
| Manganese |
12.4 |
12.6 |
10.6 |
6.6–320 |
| Zinc |
15.3 |
15.7 |
14.6 |
1.2–803 |
| Aluminum |
21.2 |
18.5 |
5.0 |
3-200 |
| Chromium |
0.9 |
9.7 |
1.5 |
0.02–1.3 |
| Cadmium |
0.42 |
0.19 |
0.16 |
0.001- <0.1 |
| Lead |
<0.01 |
<0.01 |
<0.01 |
0.021–<2.6 |
*Values for roasted date seed powders (KSA light, KSA dark, and UAE) are means
of two determinations. The ranges in Arabian coffee were taken from Pohl et al.
(2013) |
