Step 1: Understanding the Concept:
Emulsifiers are used in ice cream for specific purposes.
They affect the texture and quality.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the functions of emulsifiers.
Step 3: Detailed Explanation:
The main purpose of emulsifiers in ice cream is to reduce ice crystals.
They improve the texture and smoothness.
They also help in fat destabilization.
Reducing lactose crystals is not their main function.
Increasing overrun is achieved by other means.
Thus, the correct answer is to reduce ice crystals.
Step 4: Final Answer:
The main purpose is to reduce ice crystals.
Hence, the correct option is (A).
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