WASHINGTON -- The U.S. Food & Drug Administration has reopened the comment period for its 2007 proposal on labeling foods as "gluten-free." The agency is also making available a safety assessment of exposure to gluten for people with celiac disease (CD) and invites comment on these additional data.
One of the criteria proposed is that foods bearing the claim cannot contain 20 parts per million (ppm) or more gluten. The agency based the proposal, in part, on the available methods for gluten detection. The validated methods could not reliably detect the amount of gluten in a food when the. . .

