DNA Barcoding Meets Nanotechnology: Development of a Universal Colorimetric Test for Food Authentication
Dr. Paola Valentini
Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia (IIT), Via Morego 30, 16163 Genoa, Italy
These authors contributed equally to this work.
Search for more papers by this authorDr. Andrea Galimberti
Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.za Della Scienza 2, 20126 Milan, Italy
These authors contributed equally to this work.
Search for more papers by this authorValerio Mezzasalma
Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.za Della Scienza 2, 20126 Milan, Italy
Search for more papers by this authorDr. Fabrizio De Mattia
FEM2 Ambiente s.r.l., P.za della Scienza 2, 20126 Milan, Italy
Search for more papers by this authorProf. Maurizio Casiraghi
Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.za Della Scienza 2, 20126 Milan, Italy
Search for more papers by this authorCorresponding Author
Prof. Massimo Labra
Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.za Della Scienza 2, 20126 Milan, Italy
Search for more papers by this authorCorresponding Author
Dr. Pier Paolo Pompa
Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia (IIT), Via Morego 30, 16163 Genoa, Italy
Search for more papers by this authorDr. Paola Valentini
Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia (IIT), Via Morego 30, 16163 Genoa, Italy
These authors contributed equally to this work.
Search for more papers by this authorDr. Andrea Galimberti
Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.za Della Scienza 2, 20126 Milan, Italy
These authors contributed equally to this work.
Search for more papers by this authorValerio Mezzasalma
Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.za Della Scienza 2, 20126 Milan, Italy
Search for more papers by this authorDr. Fabrizio De Mattia
FEM2 Ambiente s.r.l., P.za della Scienza 2, 20126 Milan, Italy
Search for more papers by this authorProf. Maurizio Casiraghi
Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.za Della Scienza 2, 20126 Milan, Italy
Search for more papers by this authorCorresponding Author
Prof. Massimo Labra
Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.za Della Scienza 2, 20126 Milan, Italy
Search for more papers by this authorCorresponding Author
Dr. Pier Paolo Pompa
Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia (IIT), Via Morego 30, 16163 Genoa, Italy
Search for more papers by this authorAbstract
Food trade globalization and the growing demand for selected food varieties have led to the intensification of adulteration cases, especially in the form of species substitution and mixing with cheaper taxa. This phenomenon has huge economic impact and sometimes even public health implications. DNA barcoding represents a well-proven molecular approach to assess the authenticity of food items, although its use is hampered by analytical constraints and timeframes that are often prohibitive for the food market. To address such issues, we have introduced a new technology, named NanoTracer, that allows for rapid and naked-eye molecular traceability of any food and requires limited instrumentation and cost-effective reagents. Moreover, unlike sequencing, this method can be used to identify not only the substitution of a fine ingredient, but also its dilution with cheaper ones.
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