Folic acid officially approved in corn flour

Emobileclinic Health News

FDA has approved folic acid to be included in the fortification of corn masa flour. The approval allows manufacturers to voluntarily add up to 0.7 milligrams of folic acid per pound of corn masa flour, consistent with the levels of certain other enriched cereal grains.

Folic acid, a synthetic form of folate, is a B vitamin that when taken by a pregnant woman may help prevent neural tube defects, which are birth defects affecting the brain, spine, and spinal cord. Pregnant women with folate deficiency have a higher risk of giving birth to infants affected with neural tube defects.

Corn masa flour, sometimes called masa (Spanish for dough), is produced by cooking corn in alkali and then grinding it. Corn masa flour is a staple food for many Latin Americans including individuals of Mexican and Central American descent in the United States. It can be used to make foods such as tortillas, tortilla chips, tamales, taco shells, and corn chips.

Currently, manufacturers may use folic acid as an optional ingredient at specified levels in breakfast cereals and certain other foods, such as infant formula and medical foods, so that it is easier for people to get enough folic acid in their diets. Additionally, folic acid must be added to certain enriched grains and enriched grain products like breads, rolls, noodles and pasta. The March of Dimes Foundation, the American Academy of Pediatrics, and others submitted a food additive petition in 2012 to request the extension of voluntary fortification to corn masa flour to increase the folic acid intake for U.S. women of childbearing age who regularly consume products made from corn masa flour as a staple in their diet.  

“Increased consumption of folic acid in enriched flour has been helpful in reducing the incidence of neural tube defects in the general population,” said Susan Mayne, Ph.D., director of the FDA’s Center for Food Safety and Applied Nutrition. “Our analysis shows that adding folic acid to corn masa flour will help increase the consumption of folic acid by women who consume this flour as a staple in their diet.”

The FDA may approve the use of a food additive only after conducting a scientific safety review of the information provided in the petition to ensure that the additive is safe for the general population. With regard to folic acid, the FDA evaluated the projected human dietary exposure, toxicological data, and other relevant information, including whether folic acid remained stable in corn masa flour.

The FDA worked with the petitioners throughout the review process to obtain data needed to address safety questions as expeditiously as possible. Based on that data, the FDA concluded that the petitioned addition of folic acid to corn masa flour at a level not to exceed 0.7 milligrams of folic acid per pound of corn masa flour is safe. 

Exposure estimates from the FDA and the petitioners show that adding folic acid to corn masa flour could increase folic acid consumption in those who regularly consume products made from corn masa flour, including many Latina women. The petitioners contend that increased consumption of folic acid will reduce the risk of births with neural tube defects among this group. The FDA’s approval is not based on the possibility of this reduced risk, but is instead based on a review of the safety of the proposed use of folic acid.

Manufacturers may begin voluntary fortification of corn masa flour with folic acid on April 15, 2016. Consumers wishing to purchase products made with corn masa flour fortified with folic acid should check the ingredients statement for the presence of folic acid.

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