Question:
Which of the following ice cream stabilizer has the least solubility in water?
Which of the following ice cream stabilizer has the least solubility in water?
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Microcrystalline cellulose (MCC) is an insoluble hydrocolloid. It functions as a stabilizer by forming a physical network of suspended microcrystals, which also helps mimic the mouthfeel of fat in low-fat frozen desserts.
Updated On: Jul 23, 2026
- Guar gum
- Sodium alginate
- Microcrystalline cellulose
- Carboxymethyl cellulose
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Hydrocolloid solubility in water depends on polymer structure, branching, and ionic charge.
Most commercial stabilizers used in ice cream are highly soluble in water and form highly viscous solutions at low concentrations.
Step 2: Detailed Explanation:
Let us compare the solubility characteristics of the given stabilizers:
- Guar gum is a highly branched galactomannan that hydrates rapidly in cold water to form viscous colloidal solutions.
- Sodium alginate is a water-soluble salt of alginic acid that dissolves readily in warm water.
- Carboxymethyl cellulose (CMC) is an ether derivative of cellulose with hydrophilic carboxymethyl groups that make it highly soluble in both cold and hot water.
- Microcrystalline cellulose (MCC) is purified, partially depolymerized cellulose.
- It consists of highly crystalline regions of cellulose that do not dissolve in water.
- Instead of dissolving, MCC forms a colloidal dispersion of insoluble microcrystals that set up a three-dimensional network to stabilize the ice cream structure.
Therefore, microcrystalline cellulose has the least solubility in water.
Step 3: Final Answer:
Microcrystalline cellulose is the ice cream stabilizer with the least solubility in water.
Hydrocolloid solubility in water depends on polymer structure, branching, and ionic charge.
Most commercial stabilizers used in ice cream are highly soluble in water and form highly viscous solutions at low concentrations.
Step 2: Detailed Explanation:
Let us compare the solubility characteristics of the given stabilizers:
- Guar gum is a highly branched galactomannan that hydrates rapidly in cold water to form viscous colloidal solutions.
- Sodium alginate is a water-soluble salt of alginic acid that dissolves readily in warm water.
- Carboxymethyl cellulose (CMC) is an ether derivative of cellulose with hydrophilic carboxymethyl groups that make it highly soluble in both cold and hot water.
- Microcrystalline cellulose (MCC) is purified, partially depolymerized cellulose.
- It consists of highly crystalline regions of cellulose that do not dissolve in water.
- Instead of dissolving, MCC forms a colloidal dispersion of insoluble microcrystals that set up a three-dimensional network to stabilize the ice cream structure.
Therefore, microcrystalline cellulose has the least solubility in water.
Step 3: Final Answer:
Microcrystalline cellulose is the ice cream stabilizer with the least solubility in water.
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