Abstract
The contaminations of Fusarium mycotoxins in grains and related products, and the exposure in human body are considerable concerns in food safety and human health worldwide. The common Fusarium mycotoxins include fumonisins, T-2 toxin, deoxynivalenol and zearalenone. For this reason, simple, fast and sensitive analytical techniques are particularly important for the screening and determination of Fusarium mycotoxins. In this review, we outlined the related advances in biosensors, chemosensors and assays based on the classical and novel recognition elements such as antibodies, aptamers and molecularly imprinted polymers. Application to food/feed commodities, limit and time of detection were also discussed.
Highlights
Fusarium mycotoxins are the general term of secondary metabolites produced by Fusarium species, the major families of which are fumonisins, trichothecenes, and zearalenone
The reproductive system is the major toxicity target of this family toxin. The contaminations of these Fusarium mycotoxins seriously influence the production of crops, the quality of agricultural products and animal feeds, and the safety of foods, and induce great economic losses and are great threats to human health
The electrochemical immunosensor systems of mycotoxins were often composed of electrodes, binding layer with immobiling mycotoxins, primary antibody, secondary antibody labeled enzymes, reaction substrate and product, and transducer for measurements
Summary
Fusarium mycotoxins are the general term of secondary metabolites produced by Fusarium species, the major families of which are fumonisins, trichothecenes, and zearalenone. The reproductive system is the major toxicity target of this family toxin The contaminations of these Fusarium mycotoxins seriously influence the production of crops, the quality of agricultural products and animal feeds, and the safety of foods, and induce great economic losses and are great threats to human health. The classical analytical methods for Fusarium mycotoxins detections are the chromatographic techniques and chromatography-mass spectrometry linked techniques, which are based on the physical characteristics of toxins. These techniques need long and complicated sample pretreatment procedures, expensive instruments, skilled technicians and high determination cost, which are not suitable for the high-throughput detection of large samples. We discussed these novel sensors and assays according to the recognition elements such as antibodies, aptamers and molecularly-imprinted polymers, and different detection signals
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