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Efficiency of PCR-RFLP and species-specific PCR for the identification of meat origin in dry sausages

Author

Listed:
  • Ivona Djurkin Kušec

    (Faculty of Agriculture, J.J. Strossmayer University of Osijek, Osijek, Croatia)

  • Danijela Samac

    (Faculty of Agriculture, J.J. Strossmayer University of Osijek, Osijek, Croatia)

  • Vladimir Margeta

    (Faculty of Agriculture, J.J. Strossmayer University of Osijek, Osijek, Croatia)

  • Žarko Radišić

    (Faculty of Agriculture, J.J. Strossmayer University of Osijek, Osijek, Croatia)

  • Dragutin Vincek

    (Department of Agriculture, Varaždin County, Varaždin, Croatia)

  • Goran Kušec

    (Faculty of Agriculture, J.J. Strossmayer University of Osijek, Osijek, Croatia)

Abstract

The purpose of this investigation was the identification of chicken, beef and sheep meat in pork sausages using PCR-RFLP and PCR with pecies-specific primers. Six dry fermented pork sausages were produced by adding beef, sheep and chicken meat to each in the amount of 1 and 5%. DNA was extracted from five regions of each sausage and PCR-RFLP together with PCR using species-specific primers was performed. PCR-RFLP analysis was successful only for chicken meat, while species-specific PCR was effective for identification of chicken, eef and sheep meat in all ratios and from all regions of the sausages. The results of our study show that discovering adulteration using PCR-RFLP is suitable only for chicken meat in the investigated products, while for detection of beef and sheep meat use of species-specific oligonucleotides is more effective.

Suggested Citation

  • Ivona Djurkin Kušec & Danijela Samac & Vladimir Margeta & Žarko Radišić & Dragutin Vincek & Goran Kušec, 2017. "Efficiency of PCR-RFLP and species-specific PCR for the identification of meat origin in dry sausages," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 35(5), pages 386-391.
    • Handle: RePEc:caa:jnlcjf:v:35:y:2017:i:5:id:243-2016-cjfs
    DOI: 10.17221/243/2016-CJFS
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