Question

Which of the following property is not desirable in Infant milk formulations?

• A. Low moisture content
• B. High solubility
• C. High foaming on reconstitution
• D. High flowability

Hint:

Foaming in infant formula is kept as low as possible to protect the infant from swallowing air, which causes colic and gas.
In contrast, high solubility, high flowability, and low moisture are always desirable.

Answer 1

The Correct Option is C

Step 1: Understanding the Concept:
Infant milk formulations in powder form are engineered to meet strict physical, nutritional, and reconstitution standards.
These physical properties must facilitate ease of handling, long-term storage stability, and convenient preparation by the consumer.

Step 2: Detailed Explanation:
Let us evaluate each of the listed physical properties:
1. Low moisture content (A): This is a highly desirable property.
Maintaining powder moisture levels below \(3\text{--}4\%\) decreases water activity, which prevents microbial growth, minimizes lipid oxidation, and halts the Maillard browning reaction during storage.
2. High solubility (B): This is a critical reconstitution property.
It ensures that the dry powder disperses and dissolves rapidly in warm water without leaving insoluble lumps, sediment, or protein aggregates, ensuring uniform delivery of nutrients.
3. High flowability (D): This is an important physical property.
High flowability allows for accurate scooping, prevents clumping, and facilitates automated packaging in manufacturing facilities.
4. High foaming on reconstitution (C): This is an undesirable property.
When infant formula is vigorously shaken or stirred during reconstitution, proteins can stabilize a thick layer of foam.
If an infant ingests this foam, it introduces large quantities of air into the digestive tract.
This can lead to aerophagia, painful abdominal gas, colic, bloating, and spit-ups.
Therefore, manufacturers often incorporate anti-foaming measures or select proteins with lower foaming capacity.

Step 3: Final Answer:
High foaming on reconstitution is an undesirable property in infant milk formulations.