The FDA says tortillas and other foods made with corn masa flour can now be fortified with folic acid. The move is aimed at reducing severe brain and spinal cord defects in babies born to Hispanic women.
Verónica Zaragovia for NPR
<img src="https://media.npr.org/assets/img/2016/01/04/tortillas_zaragovia2_sq-6f697d370cdd3d42a5077497c38a77f65f4724ae-s100.jpg" class="img100" title="The FDA worries that the same alkaline treatment that gives corn masa its distinctive aroma and flavor might also prevent folic acid from remaining stable in masa. The agency is currently reviewing test results looking at the question of stability." alt="The FDA worries that the same alkaline treatment that gives corn masa its distinctive aroma and flavor might also prevent folic acid from…