Abstract

A simple, rapid and accurate detection method for the authentication of animal species is urgently required in the food detection field. The present study established a horse-specific polymerase chain reaction integrated with a lateral flow sensor assay (Horse-PCR-LFS) for the rapid detection of horse meat. In this test, a cytb gene sequence of horse was amplified using PCR, the PCR amplicon was checked with the lateral flow sensor assay, and the result of the sensor can be read within 2–3 min by the naked eye. The detection limit of the test was up to 0.01% horse meat in artificially adulterated meat mixtures, the assay also successfully detected horse DNA in various commercial food samples. As a rapid and user-friendly molecular detection tool, this test provides an accurate detection format for the identification of horse and offers solutions to problems related to animal meat adulteration and animal-origin food safety and traceability.

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