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In milk, mineral exists in state
EXPLANATION
Salt Equilibria in Milk
- Physical Partitioning of Minerals in Bovine Milk:
- Dual Phase Distribution:
- Milk minerals exist in dynamic equilibrium partly in the soluble phase and partly in the colloidal phase.
- Colloidal phase: Two-thirds of calcium, half of magnesium, and half of inorganic phosphate are bound within casein micelles as colloidal calcium phosphate (CCP).
- Soluble phase: One-third of calcium, sodium, potassium, chlorides, and soluble citrates/phosphates are dissolved in milk serum.
- Conclusion: Partly soluble and partly colloidal (Option 4).
Correct option: (4) Partly soluble and partly colloidal
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