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Species identification of cattle and buffalo fat through PCR assay
S Vaithiyanathan1, V V Kulkarni1
1National Research Centre on Meat, Chengicherla, P.B. No. 19, PO Boduppal, Hyderabad, 500092 India.
Abstract:
A method was standardized to isolate quality DNA from cattle and buffalo fat for species identification using QIAamp DNA stool mini kit. The quality of the DNA was sufficient enough to amplify universal primers viz., mt 12S rRNA and mt 16S rRNA, and species specific D loop primers for cattle and buffalo. The sensitivity of the PCR assay in the species specific D loop primer amplification was with a detection level of 0. 47 ng cattle DNA and 0.23 ng buffalo DNA in simplex and, 0. 47 ng cattle DNA and 0.12 ng buffalo DNA in duplex PCR. It is a potentially reliable method for DNA detection to authenticate animal fat.
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