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Related Experiment Videos

Iodine in human milk.

J C Bruhn, A A Franke

    Journal of Dairy Science
    |June 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Human milk iodine concentrations were measured in 16 mothers. Results show average iodine levels are comparable to historical data, indicating stable iodine content in breast milk.

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    Area of Science:

    • Human milk analysis
    • Nutritional biochemistry
    • Trace element research

    Background:

    • Iodine is essential for thyroid hormone synthesis.
    • Human milk is a primary source of nutrition for infants.
    • Understanding iodine levels in breast milk is crucial for infant health.

    Purpose of the Study:

    • To quantify iodine concentration in human milk.
    • To compare iodine levels between total and partial milk expressions.
    • To assess variations in iodine concentration based on nursing time and breast laterality.

    Main Methods:

    • Collection of total and partial human milk expressions from 16 subjects.
    • Iodine measurement using ion-selective electrode and microchemical procedures.
    • Statistical analysis to compare iodine concentrations.

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    Main Results:

    • Milk iodine concentrations ranged from 21 to 281 micrograms/kg, averaging 142 micrograms/kg.
    • No significant differences were found in iodine concentration before or after nursing.
    • No significant differences were observed between left and right breast milk iodine levels.

    Conclusions:

    • Human milk iodine concentrations are stable and comparable to historical data.
    • Nursing time and breast laterality do not significantly impact milk iodine levels.
    • The study provides current data on human milk iodine content for infant nutrition assessment.