Folic Acid Fortification and Its Effects on Serum Levels
Author Information
Author(s): Mary Rose Sweeney, Joseph McPartlin, John Scott
Primary Institution: Trinity College, Dublin, Ireland
Hypothesis
What is the short-term effect of folic acid fortification on unmetabolised folic acid in serum after chronic consumption?
Conclusion
The study suggests that consuming 100 μg or less of folic acid daily is unlikely to result in unmetabolised folic acid in serum, while 400 μg may lead to its appearance.
Supporting Evidence
- Unmetabolised folic acid was detected after 14 weeks of supplementation.
- Folic acid was not detected in the 200 μg or 100 μg doses tested.
- The highest level of 400 μg led to unmetabolised folic acid appearance.
Takeaway
If you eat a little bit of folic acid, your body can handle it just fine, but if you eat a lot, it might not be good for you.
Methodology
Healthy adults consumed folic acid supplements for 14 weeks, followed by different levels of folic acid fortified bread for one week each, with serum samples collected at various points.
Potential Biases
Potential bias in participant selection as all were healthy adults and may not represent the general population.
Limitations
The study only examined short-term effects and did not assess long-term implications of folic acid consumption.
Participant Demographics
20 healthy adults, aged 20-40, with equal gender distribution.
Statistical Information
P-Value
p < 0.001
Confidence Interval
95% CI for serum folate: 12.38 – 19.22
Statistical Significance
p < 0.001
Digital Object Identifier (DOI)
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