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Survey of mycotoxins in commonly consumed Korean grain products using an LC-MS/MS multimycotoxin method in combination with immunoaffinity clean-up

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Abstract

A total of 47 powder of roasted grain (sunsik) samples were collected from markets in Seoul, Korea for a survey of mycotoxin contaminants. A multitoxin immunoaffinity column was used to clean-up extracts for all mycotoxins. An LC-MS/MS method was used to perform simultaneous quantitative determination of aflatoxins (B1, B2, G1, and G2), deoxynivalenol, fumonisin (B1, B2), ochratoxin, zearalenone, T-2, and HT-2 in sunsik samples. Limits of detetction (LOD) and quantitation (LOQ) for mycotoxins ranged 0.1–6.1 and 0.3–18.4 µg/kg, respectively. Zearalenone was detected in all sunsik samples, deoxynivalenol was detected in 38.3% of sunsik samples, ranging from 0.63 to 29.3 µg/kg and not detected (ND)-48.3 µg/kg, respectively. The daily intake values of mycotoxins from sunsik for the p95 quartile for Korean consumers were 0.42% (DON), 0.12% (FBs), 0.42% (OTA), and 1.87% (ZEA) of TDI.

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Authors and Affiliations

  1. Seoul Metropolitan Government Research Institute of Public Health and Environment, Gwacheon, Gyeonggi, 427-070, Korea

    So-young Jung, Bu-Chuhl Choe, Eun-Jung Choi, Hee-Jeong Jeong, Young-Sook Hwang, Gi-Young Shin & Jung-Hun Kim

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  1. So-young Jung
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  2. Bu-Chuhl Choe
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  3. Eun-Jung Choi
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  4. Hee-Jeong Jeong
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  6. Gi-Young Shin
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  7. Jung-Hun Kim
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Correspondence to So-young Jung.

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Jung, Sy., Choe, BC., Choi, EJ. et al. Survey of mycotoxins in commonly consumed Korean grain products using an LC-MS/MS multimycotoxin method in combination with immunoaffinity clean-up. Food Sci Biotechnol 24, 1193–1199 (2015). https://doi.org/10.1007/s10068-015-0153-5

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  • DOI: https://doi.org/10.1007/s10068-015-0153-5

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