Gluten contaiminates 23.8% of the supplements tested.
Gluten screening of several dietary supplements by immunochromatographic assay.
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Key Findings
Abstract
Celiac disease (CD) is a chronic intestinal disorder of public health concern caused by gluten ingestion in sensitive individuals. Gluten is a protein found not only in gluten-containing food but also as normal component of drugs and dietary supplements. Detection of gluten in dietary supplements is a very important task required for establishing their gluten status, which is highly important for the safety of products consumed by CD and gluten-sensitive patients. In this paper, we investigated the presence of gluten in twenty one common dietary supplements from the national market using the immunochromatographic assay. This visual assay proved to be an efficient rapid tool for gluten screening as an alternative to the ELISA techniques. The results have shown the presence of gluten in 23.8% of the investigated samples (vitamins, minerals, plant extracts, probiotics supplements, lactoferrin, propolis supplements). The results provide information which may contribute to the completion of the existing lists of gluten-free pharmaceuticals. It is known that for CD patients obtaining accurate information about the gluten content of a particular item is a difficult and time-consuming process.
Affiliation
Lucian Blaga University of Sibiu, Department of Biochemistry and Toxicology, Faculty of Agricultural Sciences, Food Industry and Environmental Protection, Sibiu, Romania. [email protected]
External References
- PubMed ID:
- 22568265
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