Table 5.
Population | Process | Maize type | Zn in maize (μg/g) | Zn process retention (%) | Zn in processed maize (μg/g) | Zn daily intake (mg)a | Zn absorbed (μg)b | Contribution to EAR (%)c |
---|---|---|---|---|---|---|---|---|
Children | Not processed | ZBM | 37 | 100 | 37.0 | 3.70 | 925 | 80 |
non-ZBM | 25 | 100 | 25.0 | 2.50 | 625 | 54 | ||
Tortillas (limited bran removal) | ZBM | 37 | 96 | 35.4 | 3.54 | 884 | 76 | |
non-ZBM | 25 | 96 | 24.0 | 2.40 | 601 | 52 | ||
Mazamorra (extensive bran removal) | ZBM | 37 | 47 | 17.3 | 1.73 | 434 | 37 | |
non-ZBM | 25 | 36 | 8.9 | 0.89 | 223 | 19 | ||
Arepas (extensive bran removal) | ZBM | 37 | 43 | 15.8 | 1.58 | 396 | 34 | |
non-ZBM | 25 | 31 | 7.7 | 0.77 | 193 | 17 | ||
Women | Not processed | ZBM | 37 | 100 | 37.0 | 9.25 | 2313 | 93 |
non-ZBM | 25 | 100 | 25.0 | 6.25 | 1563 | 63 | ||
Tortillas (limited bran removal) | ZBM | 37 | 96 | 35.4 | 8.84 | 2211 | 89 | |
non-ZBM | 25 | 96 | 24.0 | 6.01 | 1502 | 61 | ||
Mazamorra (extensive bran removal) | ZBM | 37 | 47 | 17.3 | 4.34 | 1084 | 44 | |
non-ZBM | 25 | 36 | 8.9 | 2.23 | 557 | 23 | ||
Arepas (extensive bran removal) | ZBM | 37 | 43 | 15.8 | 3.96 | 990 | 40 | |
non-ZBM | 25 | 31 | 7.7 | 1.93 | 482 | 19 |
Maize intake = 100 g for children 4–6 years and 250 g for women.
Bioavailability = 30% (EFSA, 2014).
Physiological daily average requirement for zinc = 1390 μg for children 4–6 years and 2969 μg for women of childbearing age (EFSA, 2014).