Document Detail


Gluten contamination of grains, seeds, and flours in the United States: a pilot study.
MedLine Citation:
PMID:  20497786     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Under the Food Allergen and Consumer Protection Act, the Food and Drug Administration (FDA) must issue a rule for the voluntary labeling of food as gluten-free. In the proposed rule, many single-ingredient foods, such as millet, are considered inherently free of gluten. Inherently gluten-free grains will be considered misbranded if they carry a gluten-free label and do not also state that all foods of the same type are gluten-free (eg, "all millet is gluten free"). Twenty-two inherently gluten-free grains, seeds, and flours not labeled gluten-free were purchased in June 2009 and sent unopened to a company who specializes in gluten analysis. All samples were homogenized and tested in duplicate using the Ridascreen Gliadin sandwich R5 enzyme-linked immunosorbent assay with cocktail extraction. Thirteen of 22 (59%) samples contained less than the limit of quantification of 5 parts per million (ppm) for gluten. Nine of 22 (41%) samples contained more than the limit of quantification, with mean gluten levels ranging from 8.5 to 2,925.0 ppm. Seven of 22 samples (32%) contained mean gluten levels >/=20 ppm and would not be considered gluten-free under the proposed FDA rule for gluten-free labeling. Gluten contamination of inherently gluten-free grains, seeds, and flours not labeled gluten-free is a legitimate concern. The FDA may want to modify their proposed rule for labeling of food as gluten-free, removing the requirement that gluten-free manufacturers of inherently gluten-free grains, seeds, and flours must state on product labels that all foods of that type are gluten-free.
Authors:
Tricia Thompson; Anne Roland Lee; Thomas Grace
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of the American Dietetic Association     Volume:  110     ISSN:  1878-3570     ISO Abbreviation:  J Am Diet Assoc     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-05-25     Completed Date:  2010-06-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503061     Medline TA:  J Am Diet Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  937-40     Citation Subset:  AIM; IM    
Copyright Information:
2010 American Dietetic Association. Published by Elsevier Inc. All rights reserved.
Affiliation:
tricia_s_thompson@hotmail.com
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MeSH Terms
Descriptor/Qualifier:
Celiac Disease / diet therapy
Cereals / chemistry*
Consumer Product Safety
Flour / analysis*
Food Contamination / analysis*
Food Labeling / legislation & jurisprudence*
Glutens / immunology,  isolation & purification*
Humans
Pilot Projects
Seeds / chemistry*
United States
United States Food and Drug Administration
Chemical
Reg. No./Substance:
8002-80-0/Glutens

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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