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Rapid Visual Tests: Fast and Reliable Detection of Ochratoxin A

Author(s): Ingrid Bazin | Elodie Nabais | Miguel Lopez-Ferber

Journal: Toxins ISSN 2072-6651
Volume: 2; Issue: 9; Start page: 2230; Date: 2010;
Original page

Keywords: ochratoxin A | colorimetric test | lateral flow test | flow-through test | clean-up immunoassay

ABSTRACT
This paper reviews the early detection strategies that have been employed for the rapid monitoring of ochratoxin A (OTA) contamination of food. OTA, a mycotoxin mainly produced by some Aspergillus and Penicillium species, is found in cereals, coffee, wine, pork and grapes. To minimize the entry of this mycotoxin into the food chain, rapid diagnostic tools are required. To this end, the potential use of lateral flow devices has also been developed. In this study, we analyze the robustness of test strips using published methods for colorimetric detection. Different test formats are discussed, and challenges in the development of lateral flow devices for on-site determination of OTA, with requirements such as robustness, speed, and cost-effectiveness, are discussed.