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| Results for analyses conducted on various samples of geophagical materials obtained from several countries are shown in the Table 6. | | Results for analyses conducted on various samples of geophagical materials obtained from several countries are shown in the Table 6. |
| | | |
− | [[TABLE 6]]
| + | {| class="wikitable" |
| + | |- |
| + | |+ Table 6: Extractable concentrations (mg kg-1) of selected macro- and micronutrients determined from geophagical materials collected within Africa. |
| + | |- |
| + | ! Date of Study and Origin of Sample || Calcium || Copper || Iron || Potassium || Magnesium || Manganese || Sodium || Zinc |
| + | |- |
| + | | 1966, Nigeria<sup>a</sup> || 3,910 || - || - || 53 || 2,005 || - || 44 || - |
| + | |- |
| + | | 1971, Ghana || 120 || - || - || 165 || 31 || - || - || - |
| + | |- |
| + | | 1973, Ghana<sup>b</sup> || 1,133 || 10 || 95 || 130 || 331 || <1 || - || 15 |
| + | |- |
| + | | 1984, Nigeria<sup>c</sup> || 265 || 0.6 || 134 || 41 || 179 || 29 || - || 30 |
| + | |- |
| + | | 1991, Cameroon || 77 || - ||9 || 45 || - || - || - || - |
| + | |- |
| + | | 1991, Gabon || 68 || - || 4 || 87 || - || - || - || - |
| + | |- |
| + | | 1991, Kenya 1 || 791 || 2 || 7 || 432 || 35 || 163 || – || 3 |
| + | |- |
| + | | 1991, Kenya 2 || 220 || 1 || 12 || 793 || 113 || 349 || - || 5 |
| + | |- |
| + | | 1991, Nigeria || 19 || 2 || 10 || 102 || 9 || nd || - || 3 |
| + | |- |
| + | | 1991, Togo || 120 || - || 5 || 177 || - || - || - || - |
| + | |- |
| + | | 1991, Zambia<sup>d</sup> || 142 || 11 || 74 || 93 || 60 || 19 || - || 2 |
| + | |- |
| + | | 1997, Uganda<sup>e</sup> || 1,341 || 2.1 || 528 || 763 || 458 || 59 ||186 || 6.7 |
| + | |} |
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| ====Dangers of Geophagy==== | | ====Dangers of Geophagy==== |