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Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes

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Folates from metabolically engineered rice: a long-term study in rats.

Filip Kiekens¹, Dieter Blancquaert, Lindsey Devisscher

¹Laboratory of Toxicology, Ghent University, Ottergemsesteenweg, Ghent, Belgium.

Molecular Nutrition & Food Research

|December 10, 2014

Summary

Biofortified folate rice effectively combats folate deficiency. Supplementation normalized hematocrit and folate levels in rats, preventing anemia and hyperhomocysteinemia, demonstrating its value in improving health.

Keywords:

Bioactivity Biofortification Folate Murine model Rice

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Area of Science:

Nutritional Science
Biotechnology
Food Science

Background:

Folate deficiency is a significant global health concern.
Metabolically engineered (biofortified) foods offer a promising strategy to address micronutrient deficiencies.
Folate rice is a biofortified rice line engineered to be rich in folates.

Purpose of the Study:

To investigate the biological impact and effectiveness of folates supplied by folate rice.
To evaluate the potential of folate rice in combating folate deficiency using a rat model.

Main Methods:

A 7/12-week depletion/repletion study was conducted with five groups of Wistar rats.
Animals were fed folate-free diets, wild-type rice, folate rice, folic acid fortified rice, or a positive control diet.
Hematological parameters (hematocrit) and folate concentrations in plasma and red blood cells (RBCs) were monitored.

Main Results:

Rats on folate-deficient diets or receiving wild-type rice showed decreased hematocrit, low plasma and RBC folate levels, leading to morbidity and mortality.
Supplementation with folate rice or folic acid fortified rice (approx. 3.00–3.12 μg/rat/day) resulted in survival of all animals.
Animals receiving folate rice or folic acid fortified rice exhibited normalized hematocrit, increased plasma and RBC folate concentrations, and counteracted hyperhomocysteinemia.

Conclusions:

Biofortified folate rice serves as a valuable dietary source of folate.
Consumption of folate rice effectively alleviates anemia and counteracts hyperhomocysteinemia in an animal model.
Folate rice holds potential for fighting folate deficiency and improving public health.