Simultaneous Determination of Multi-Mycotoxins in Cereal Grains Collected from South Korea by LC/MS/MS
- Authors
- Kim, Dong-Ho; Hong, Sung-Yong; Kang, Jea Woo; Cho, Sung Min; Lee, Kyu Ri; An, Tae Kyung; Lee, Chan; Chung, Soo Hyun
- Issue Date
- 3월-2017
- Publisher
- MDPI
- Keywords
- aflatoxins; deoxynivalenol; fumonisins; HT-2; nivalenol; ochratoxin A; T-2; zearalenone; grains; LC/MS/MS
- Citation
- TOXINS, v.9, no.3
- Indexed
- SCIE
SCOPUS
- Journal Title
- TOXINS
- Volume
- 9
- Number
- 3
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/84363
- DOI
- 10.3390/toxins9030106
- ISSN
- 2072-6651
- Abstract
- An improved analytical method compared with conventional ones was developed for simultaneous determination of 13 mycotoxins (deoxynivalenol, nivalenol, 3-acetylnivalenol, aflatoxin B-1, aflatoxin B-2, aflatoxin G(1), aflatoxin G(2), fumonisin B-1, fumonisin B-2, T-2, HT-2, zearalenone, and ochratoxin A) in cereal grains by liquid chromatography-tandem mass spectrometry (LC/MS/MS) after a single immunoaffinity column clean-up. The method showed a good linearity, sensitivity, specificity, and accuracy in mycotoxin determination by LC/MS/MS. The levels of 13 mycotoxins in 5 types of commercial grains (brown rice, maize, millet, sorghum, and mixed cereal) from South Korea were determined in a total of 507 cereal grains. Mycotoxins produced from Fusarium sp. (fumonisins, deoxynivalenol, nivalenol, and zearalenone) were more frequently (more than 5%) and concurrently detected in all cereal grains along with higher mean levels (4.3-161.0 ng/g) in positive samples than other toxins such as aflatoxins and ochratoxin A (less than 9% and below 5.2 ng/g in positive samples) from other fungal species.
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