Question:
Use of butter milk powder as part replacement of normal solids (i.e. SMP) can help in decreasing the usage rate of which of the following in ice cream?
Use of butter milk powder as part replacement of normal solids (i.e. SMP) can help in decreasing the usage rate of which of the following in ice cream?
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Buttermilk powder is a rich, natural source of milk phospholipids (lecithin) derived from the fat globule membrane. These polar lipids function as effective natural emulsifiers in frozen dairy desserts.
Updated On: Jul 23, 2026
- Emulsifier
- Sweetener
- Stabilizer
- Whole milk powder
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Buttermilk is the liquid byproduct obtained during the churning of cream into butter.
This product is characterized by a high concentration of polar lipids derived from the milk fat globule membrane (MFGM).
Step 2: Detailed Explanation:
Let us analyze the emulsifying properties of buttermilk:
- During the churning process, the milk fat globule membranes are ruptured, releasing their structural components into the aqueous phase (buttermilk).
- Consequently, buttermilk is highly rich in polar lipids, primarily phospholipids such as lecithin, sphingomyelin, and cephalin.
- These phospholipids are excellent natural surfactants with hydrophilic heads and lipophilic tails.
- When buttermilk powder is used to partially replace Skim Milk Powder (SMP) in an ice cream mix, these native phospholipids migrate to the fat-water interface.
- They help emulsify the fat phase, promote controlled fat destabilization during whipping, and improve air cell structure.
- This natural emulsifying action reduces the requirement for added commercial chemical emulsifiers (such as mono- and diglycerides or polysorbates) in the formulation.
Therefore, using buttermilk powder allows for a lower usage rate of added emulsifiers.
Step 3: Final Answer:
The use of butter milk powder in ice cream can decrease the required usage rate of emulsifiers.
Buttermilk is the liquid byproduct obtained during the churning of cream into butter.
This product is characterized by a high concentration of polar lipids derived from the milk fat globule membrane (MFGM).
Step 2: Detailed Explanation:
Let us analyze the emulsifying properties of buttermilk:
- During the churning process, the milk fat globule membranes are ruptured, releasing their structural components into the aqueous phase (buttermilk).
- Consequently, buttermilk is highly rich in polar lipids, primarily phospholipids such as lecithin, sphingomyelin, and cephalin.
- These phospholipids are excellent natural surfactants with hydrophilic heads and lipophilic tails.
- When buttermilk powder is used to partially replace Skim Milk Powder (SMP) in an ice cream mix, these native phospholipids migrate to the fat-water interface.
- They help emulsify the fat phase, promote controlled fat destabilization during whipping, and improve air cell structure.
- This natural emulsifying action reduces the requirement for added commercial chemical emulsifiers (such as mono- and diglycerides or polysorbates) in the formulation.
Therefore, using buttermilk powder allows for a lower usage rate of added emulsifiers.
Step 3: Final Answer:
The use of butter milk powder in ice cream can decrease the required usage rate of emulsifiers.
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