Meat species identification by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) of mitochondrial 12S rRNA gene.

Adulteration of high quality meat and meat products with their inferior/cheaper counterparts is a problem in the meat industry. The present study investigated the use of polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) of the mitochondrial 12S rRNA gene for identification of the origin of meats. PCR-RFLP was applied for species identification of beef, buffalo meat, mutton and chevon. PCR amplification yielded a 456-bp fragment in each of these species. The amplicons were digested with AluI, HhaI, ApoI and BspTI restriction enzymes resulting in a pattern that could identify and differentiate each of the above species. This technique did not yield satisfactory results with meat mixtures/meats. However, consistent results were obtained with both fresh and processed meat samples.

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