Magnesium Carbonate (Heavy, Bulk Density 0.5)
Food
Code: 253068
Magnesium Carbonate — Heavy grade; anti‑caking, pH regulator; Low solubility; grade-dependent bulk density.
Magnesium Carbonate (Heavy) Heavy grade food additive / mineral source
| Benefit | Typical study dose* | Key human findings | High-quality sources |
|---|---|---|---|
| Magnesium fortification | 50–200 mg elemental Mg/day; per‑serving delivery depends on formulation | Supports enzymatic, neuromuscular, cardiovascular functions in deficient populations | ODS: Magnesium Fact Sheet |
| pH regulation / buffering | Formulation‑specific; neutralizes acid (CO₂ release) to stabilize pH | Helps moderate acidity and maintain flavor balance in beverages/foods | Lohmann‑Minerals Technical Note |
| Anti‑caking / flow aid | Typically 0.2–1.0% in powder systems under GMP | Improves free‑flow behavior and reduces clumping in powders | FAO GSFA — Magnesium carbonate |
*Doses vary by formulation and target population.
Mechanistic highlights
- Acid neutralization: Reacts with gastric/food acids to form Mg²⁺, CO₂, and water
- Poor water solubility: Remains largely insoluble at neutral pH; solubility ↑ with acidity
- Powder flow / moisture uptake: Porous particles help absorb moisture and improve flowability
Safety & practical use
- Grade note: Heavy; Low solubility; grade-dependent bulk density
- Usual supplemental range: 50–200 mg elemental Mg/day across diet/supplements
- Upper‑dose tolerance: High single doses may cause GI upset; split dosing preferred
- Drug interactions: May chelate with some drugs (e.g., tetracyclines); separate dosing
- Populations needing oversight: Renal impairment, electrolyte disorders, and those on interacting medications
- white powder
- Room (25-40C)
- 24 Months from manufacturing or testing date.
- 50mg - 200mg
- 100mg
- 50mg - 200mg
- 100mg
- Powder mixing for food/beverage (oil‑phase disperse or glycol premix)
- Heat Tolerant
- 0.00 - 0.00
- Dispersible in water
- -
| Test Name | Specification |
|---|---|
| Appearance & physical characteristics | Whitepowder, odorless, tasteless and non-toxic |
| Solubilitystatus | Practicallyinsolublein water, Insoluble in ethanol.solublein acid |
| Magnesium oxide（MgO） % | 40.0-44.5 |
| Calcium oxide(CaO) ≤% | 1.0 |
| Chloride ≤% | 0.1 |
| Hydrochloric AcidInsolublematter ≤% | 0.05 |
| Soluble salt ≤% | 1.0 |
| Iron(Fe)ppm ≤ | 3.0 |
| Lead(Pb)ppm ≤ | 1.0 |
| Arsenic(As)ppm ≤ | 1.0 |
| Loss onignition ≤% | 60 |
| Bulk density(g/ml) ≥ | -- |
| Sieveonresidue(100mesh) ≤% | 0.1 |
| Total platecount(cfu/g) < | 1000 |
| Yeasts & Moulds(cfu/g) < | 100 |
| Coliforms(cfu/g) < | 100 |
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