Abstract
To achieve rapid on-site nucleic acid detection of fish allergens in food, this study established a new direct and rapid qPCR detection technology for fish. The technology was able to complete nucleic acid extraction in 4 min using a food nucleic acid releaser, and the DNA samples were amplified by rapid qPCR within 25 min. The results showed that direct-rapid qPCR can specifically detect fish, and it can also detect 0.00001 % of fish components in artificially simulated samples, with high detection precision. This method can be used to effectively detect fish in various deep-processed foods. As a simple, rapid, and accurate molecular detection method for fish allergens, this method has broad application prospects for on-site food safety detection.
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