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Simultaneous detection of fruit allergen-coding genes in tomato, apple, peach and kiwi through multiplex PCR

  • Seung-Man Suh
  • Saet-Byul Park
  • Mi-Ju Kim
  • Hae-Yeong KimEmail author
Article

Abstract

Fruit allergies have become more common in recent years, and are now a serious health problem. In this study, a multiplex PCR assay was used to detect potential fruit allergens causing food allergy labeling in Korea. For the detection of these allergens, specific primer pairs were designed to amplify the allergen-coding genes Cyclophilin (tomato), Mdtl 1 (apple), Pru p 2.01A (peach) and Pectin methylesterase inhibitor (kiwi), and primer pair targeting the 18S ribosomal RNA gene was additionally used as an endogenous control. Primer specificity was assessed with 23 plant species. A mixture of DNA from the four fruits was serially diluted and used to determine the sensitivity of the multiplex PCR assay, which was approximately 0.08 ng. Eleven commercial fruit products were evaluated to verify the applicability of the multiplex PCR assay. This assay is expected to be a specific and efficient method for detecting fruit allergens in foods.

Keywords

Food allergy Fruit allergen Multiplex PCR Peach Tomato Apple Kiwi 

Notes

Acknowledgements

This research was supported by Grant 16163MFDS003 from the Ministry of Food and Drug Safety in Korea.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© The Korean Society of Food Science and Technology 2019

Authors and Affiliations

  • Seung-Man Suh
    • 1
  • Saet-Byul Park
    • 1
  • Mi-Ju Kim
    • 1
  • Hae-Yeong Kim
    • 1
    Email author
  1. 1.Institute of Life Sciences and Resources, Department of Food Science and BiotechnologyKyung Hee UniversityYonginRepublic of Korea

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