International Board of Certified Lactation Consultant (IBCLC) Practice Exam

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What component's stability is crucial for the nutritional value of human milk during storage?

Lactoferrin
Human milk oligosaccharides
Vitamin C
Fatty acids

The correct answer is: Human milk oligosaccharides

The stability of human milk oligosaccharides (HMOs) during storage is crucial for maintaining the nutritional value of human milk. HMOs are a complex group of carbohydrates that play significant roles in infant health. They are known for their prebiotic effects, which support the growth of beneficial gut bacteria, and they help to protect infants against infections by preventing pathogens from binding to epithelial cells. When human milk is stored, HMOs remain relatively stable compared to other components. Their structural complexity and resistance to degradation contribute to their ability to maintain beneficial effects even after storage. Changes in other components, such as vitamins and fatty acids, can impact the milk's overall nutritional profile, but the unique properties of HMOs allow them to retain their beneficial characteristics. This makes them a critical factor in ensuring the milk's effectiveness in supporting the infant's immune system and promoting proper gut health. In summary, human milk oligosaccharides are not only vital for establishing a healthy gut microbiome in infants, but their stability during storage is paramount for preserving the milk’s nutritional integrity.