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Supplement

Case Study: Folate Bioavailability^{1 ,2}

Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida 32611-0370

³To whom correspondence should be addressed at P.O. Box 110370, Newell Drive, Food Science and Human Nutrition Department, Gainesville, FL 32611-0370. E-mail: jfgy{at}ufl.edu

Folate nutritional status depends on intake from food and supplements as well as on the bioavailability of the various ingested forms of this vitamin. Although many advances in the understanding of folate bioavailability have occurred in recent years, many areas of uncertainty remain, especially with respect to naturally occurring dietary folate. This review includes a summary of factors that affect folate absorption and utilization, currently used and promising methods suitable for the assessment of bioavailability, significant findings on which current understanding is based and research needs.

KEY WORDS: • folate • bioavailability • fortification • absorption

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