Table 5 Comparison of daily intake of metals from ginger with recommended daily intake and tolerable upper limit of daily intake of metals (NebGuide 2015 )
From: Levels of essential and non-essential metals in ginger (Zingiber officinale) cultivated in Ethiopia
Metal | Daily intake from ginger (mg/day) | Recommended daily intake (mg/day) | Allowable upper limit (mg/day) |
|---|---|---|---|
Ca | 2.36 | 1000 | 2500 |
Mg | 2.00 | 400 | 350 |
Cu | 0.0195 | 2 | 10 |
Zn | 0.350 | 0.150 | 40 |
Mn | 3.71 | 2 | 11 |
Ni | 0.047 | NA | 1 |
Fe | 34.1 | 18 | 45 |
Co | 0.0992 | NA | NA |
Cr | 0.132 | 0.120 | NE |
Cd | 0.000813 | None | 0.0714 |
Pb | ND | None | None |