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KMID : 1007520190280051593
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Food Science and Biotechnology
2019 Volume.28 No. 5 p.1593 ~ p.1598
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Simultaneous detection of fruit allergen-coding genes in tomato, apple, peach and kiwi through multiplex PCR
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Suh Seung-Man
Park Saet-Byul
Kim Mi-Ju
Kim Hae-Yeong
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Abstract
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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.
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KEYWORD
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Food allergy, Fruit allergen, Multiplex PCR, Peach, Tomato, Apple, Kiwi
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