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The concentration of essential metals in 4 g of processed food sample (meat) containing saltpetre as a food addictive analysed using XRF method compared to recommended daily intake.
| Sampling Site | Recommended Daily intake (mg/day) |
|||
|---|---|---|---|---|
| Ca (1000 mg) | K (3500 mg) | Zn (15 mg) | Fe (15 mg) | |
| ABU1 | 962 | 1164 | 0.6226 | 178.6 |
| ASA1 | 1658 | 2091 | 0.3166 | 141.7 |
| BAN1 | 2224 | 1253 | – | 174.3 |
| CEN1 | 1084 | 2400 | 0.4173 | 186.5 |
| KWA1 | 1763 | 1748 | 0.3273 | 164.5 |
| SAN1 | 3380 | 1076 | – | 136.5 |
