期刊
MEAT SCIENCE
卷 94, 期 1, 页码 115-120出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2012.12.012
关键词
Quantitative real-time PCR; SYBR Green; Authentication; Species identification; Pork meat; Poultry meat
Species identification in meat products has grown in interest in recent years since these foodstuffs are susceptible targets for fraudulent labelling. In this work, a real-time PCR approach based on SYBR Green dye was proposed for the quantitative detection of pork meat in processed meat products. For the development of the method, binary meat mixtures containing known amounts of pork meat in poultry meat were used to obtain a normalised calibration model from 0.1 to 25% with high linear correlation and PCR efficiency. The method revealed high specificity by melting curve analysis, being successfully validated through its application to blind meat mixtures, which confirmed its adequacy for pork meat determination. The fully applicability of the method was further demonstrated in commercial meat products, allowing verification of labelling compliance and identification of meat species in processed foods. (c) 2013 Elsevier Ltd. All rights reserved.
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