Q51 / 160 · JIPMER 2012 · Chemistry

Cow milk, an example of natural emulsion, is stabilised by

  • A
    fat
  • B
    water
  • Correct answer
    C
    casein
  • D
    $\mathrm{Mg}^{2+}$ ions

Solution

Cow milk an example of a neutral emulsion is stabilized by casein. Cow milk is liquid fat particles dispersed in water. It is oil in water type emulsion. Casein is protective colloid with gold number \(0.01-0.02\). Casein is a phosphoprotein which occurs in the milk of mammals as a suspension of calcium caseinate. It is the main protein of milk.

Hence, the correct answer is option: 'C'.

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