FSAI has worked with a commercial laboratory (Identigen) over the past two years to adapt NGS (next generation sequencing), so that it can be used as a DNA screening tool to check that the composition of the food matches what is stated on the product’s labelling or descripion. FSAI screened 45 plant-based foods and food supplements from Irish health food shops and supermarkets. It looked for the presence of all plant species in the selected products and identified 14 food products for further investigation that may contain undeclared plant species. Of these 14 products, one was confirmed to contain undeclared mustard at significant levels, which is an allergen that should be declared. Another product (oregano) was found to contain DNA from two undeclared plant species, one at significant levels. A third product was found to have no DNA from the plant species declared on the label, but instead rice DNA was identified. All three products are under further investigation. FSAI will apply the same technology for the screening of meat, poultry and fish products.
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