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http://dx.doi.org/10.13103/JFHS.2017.32.6.470

A Study on the Safety of Mycotoxins in Grains and Commonly Consumed Foods  

Kim, Jae-Kwan (Team of Food Additives Analysis, Gyeonggi-do Institute of Health and Environment)
Kim, Young-Sug (Team of Food Additives Analysis, Gyeonggi-do Institute of Health and Environment)
Lee, Chang-Hee (Team of Food Additives Analysis, Gyeonggi-do Institute of Health and Environment)
Seo, Mi Young (Team of Food Additives Analysis, Gyeonggi-do Institute of Health and Environment)
Jang, Mi Kyung (Team of Food Additives Analysis, Gyeonggi-do Institute of Health and Environment)
Ku, Eun-Jung (Team of Food Additives Analysis, Gyeonggi-do Institute of Health and Environment)
Park, Kwang-Hee (Team of Food Additives Analysis, Gyeonggi-do Institute of Health and Environment)
Yoon, Mi-Hye (Team of Food Additives Analysis, Gyeonggi-do Institute of Health and Environment)
Publication Information
Journal of Food Hygiene and Safety / v.32, no.6, 2017 , pp. 470-476 More about this Journal
Abstract
The purpose of this study was to investigate and evaluate the safety of the grains, nut products, beans and oilseeds being sold in Gyeonggi province by analyzing mycotoxins. A multi-mycotoxins analysis method based on LC-MS/MS was validated and applied for the determination of eight mycotoxins, including aflatoxins ($B_1$, $B_2$, $G_1$ and $G_2$), fumonisins ($B_1$, $B_2$), zearalenone and ochratoxcin A in 134 samples. The limit of detection (LOD) and limit of quantitation (LOQ) for the eight mycotoxins ranged from 0.14 to $8.25{\mu}g/kg$ and from 1.08 to $7.21{\mu}g/kg$, respectively. Recovery rates of mycotoxins were determined in the range of 61.1 to 97.5% with RSD of 1.0~14.5% (n=3). Fumonisin $B_1$, $B_2$, zearalenone, and ochratoxin A were detected in 22 samples, indicating that 27% of grains, 12.5% of beans and 11.8% of oilseeds were contaminated. Fumonisin and zearalenone were detected simultaneously in 2 adlays and 3 sorghums. Fumonisin $B_1$ and $B_2$ were detected simultaneously in most samples whereas fumonisin $B_1$ was detected in 1 adlay, 1 millet and 1 sesame sample. The average detected amount of fumonisin was $49.3{\mu}g/kg$ and $10.1{\mu}g/kg$ for grains and oilseeds, respectively. The average detected amount of zearalenone was $1.9{\mu}g/kg$ and $1.5{\mu}g/kg$ for grains and beans, respectively. In addition, the average amount of ochratoxin A was $0.08{\mu}g/kg$ for grains. The calculated exposure amounts of fumonisin, zeralenone and ochratoxin A for grains, beans and oilseeds were below the PMTDI/PTWI.
Keywords
Mycotoxin; Aflatoxin; Fumonisin; Zearalenone; Ochratoxin A;
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Times Cited By KSCI : 4  (Citation Analysis)
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