Zinc Sulfate (Monohydrate)
Food
Code: 253050
Food-grade, water-soluble zinc salt for mineral fortification in foods and beverages.
Zinc Sulfate (Monohydrate) Food food-grade, water-soluble zinc salt used as a mineral fortifier in foods and beverages; provides bioavailable zinc supporting immune function, growth, and skin health.
| Benefit | Typical study dose* | Key human findings | High-quality sources |
|---|---|---|---|
| Immune support | 10–15 mg elemental Zn/day for 3–6 months | Improved immune markers; reduced infection duration | NIH ODS |
| Growth & development | 5–10 mg elemental Zn/day (children) | Supports height/weight gain in deficient populations | WHO guidance |
| Skin & wound healing | ~15 mg elemental Zn/day | Improved epithelial repair in deficiency | Review |
*Doses are expressed as elemental zinc. Fortification levels depend on matrix and regulatory limits.
Mechanistic highlights
- Cofactor for >300 enzymes: central to DNA/RNA synthesis and cell division.
- Immune modulation: supports barrier function and cytokine balance.
- Antioxidant defense: involved in superoxide dismutase activity.
Safety & practical use
- Usual supplemental range: Adults 8–11 mg/day (RDA); upper limit 40 mg/day (tolerable UL varies by age).
- Interactions: High iron/calcium may reduce zinc absorption; separate dosing.
- Fortification applications: Beverage premixes, dairy, cereals, nutrition bars; dissolve in water or premix with glycols.
- Allergens: None of the Big 7 (milk, egg, fish, peanut, wheat, soy, gluten).
- Room (25-40C)
- Powder mixing for food/beverage (oil‑phase disperse or glycol premix)
- Heat Tolerant
- 0.00 - 0.00
- Soluble in Water
- -
| Test Name | Specification |
|---|---|
| Assay (ZnSO4·H2O), w/% | 99.0–100.5 |
| Acidity | Pass test |
| Alkali and alkaline earth metal salts, w/% | ≤ 0.50 |
| Cadmium (Cd), mg/kg | ≤ 2 |
| Lead (Pb), mg/kg | ≤ 4 |
| Mercury (Hg), mg/kg | ≤ 1 |
| Selenium (Se), mg/kg | ≤ 30 |
| Arsenic (As), mg/kg | ≤ 3 |
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