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A method for identifying a pork content in a food.


Yaakub Che Man (2009) A method for identifying a pork content in a food. UNSPECIFIED.

Abstract / Synopsis

In this study, pork-specific real-time PCR assay is developed for Halal authentication. Three specific meat samples are employed, which were pork, beef and chicken.These three type of poultry meat are among commonly consumed meat in Malaysia and are easily available in the market. DNA from each raw meat sample was successfully extracted using DNeasy Blood & tissue Kit (Qiagen, Hilden, Germany). Concentration of DNA extracted is estimated by UV absorption spectrophotometry using the Biophotometer (Eppendorf AG, Hamburg, Germany) prior to real-time PCR reaction. The annealing temperature for the primers is at 58C. To verify the specificity o primers designed, reaction is carried out to test the primers against the other two meat samples to detect possible cross-reactions. The reaction only amplified pork DNA. The real-time PC assay described in this paper proved to be very sensitive with a low detection limit when samples were tested. The assay is done by preparing a 10-fold dilution series stating from 100 ng DNA were used to determine the sensitivity of the reaction. The sensitivity threshold was up to 0.001 ng pork DNA. It has been reported that a detection limit of 0.1 ng pork DNA using conventional PCR. In this context, the method would be useful in the detection of porcine DNA in food products.

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Additional Metadata

Item Type: Patent
Divisions: Faculty of Food Science and Technology
Keywords: Real-time PCR; DNA detection; Pork; Halal.
Depositing User: Suzila Mohamad Kasim
Date Deposited: 28 Jun 2013 15:13
Last Modified: 28 Jun 2013 15:13
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