Abstract
The aim of this study was to develop polymerase chain reaction (PCR) assay for specific detection of chicken meat using designed primer pair based on mitochondrial D-loop gene for amplification of 442 bp DNA fragments from fresh, processed and autoclaved meat and meat products. The PCR result was further verified by restriction digestion with HaeIII and Sau3AI enzymes for specific cutting site in amplified DNA fragments. The specificity of assay was cross tested with DNA of cattle, buffalo, sheep, goat, pig, duck, guinea fowl, turkey and quail, where amplification was observed only in chicken without cross reactivity with red meat species. However positive reaction was also observed in quail and turkey. In this study, no adverse effects of cooking and autoclaving were found on amplification of chicken DNA fragments. Thus, the detection limits was found to be less than 1% in admixed meat and meat products. The developed assay was found specific and sensitive for rapid identification of admixed chicken meat and meat products processed under different manufacturing conditions.
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