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publication name Pork detection in binary meat mixtures and some commercial food products using conventional and real-time PCR techniques
Authors Hassan A. Al-Kahtani, Elsayed A. Ismail, Mohammed Asif Ahmed
year 2016
keywords Meat mixtures; Real time PCR; Pork adulteration; Commercial food products
journal Food Chemistry
volume Volume 219
issue Not Available
pages Pages 54–60
publisher Elsevier
Local/International International
Paper Link http://www.sciencedirect.com/science/article/pii/S0308814616315035
Full paper download
Supplementary materials Not Available
Abstract

Pork DNA was detected in meat mixtures using both conventional PCR and real-time PCR (RT-PCR). Thirty meat mixtures containing beef, chicken, camel, rabbit, goat and sheep with varying percentage of pork (0%, 1%, 5%, 10%, and 20%) and 75 commercial food products, were analyzed using conventional and RT-PCR to determine the presence of pork DNA. Pork DNA standard curves and cycle threshold (Ct) values were used for quantification. The detection limits for pork DNA in the mixtures were 0.22, 0.047, 0.048, 0.0000037, 0.015 ng/μl respectively. Unlike conventional PCR, RT-PCR detected pork DNA in nine processed food samples [chicken sausages (2), chicken luncheon (2), turkey meat loaf, milk chocolate with soft nougat, jelly, cake, and candies] at pork DNA concentrations of 0.0001 ng/μl or less.

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