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Amira Al Matari
Department of Laboratory Science and Technology, American University of Science and Technology, Achrafieh 16-6452, Lebanon

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Journal article
Published: 12 August 2019 in Toxins
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Cereals are prone to fungal infection during growth, harvesting, transportation, and/or storage. As a result, cereals such as wheat grains and wheat-derived products may be contaminated with mycotoxins leading to acute and chronic health exposure. The current study investigated the presence of the mycotoxins: ochratoxin A (OTA), ochratoxin B (OTB), T-2, and HT-2 toxins in samples of wheat grains (n = 50), wheat flour (n = 50), and bread (n = 37) from the main mills in Lebanon using LC-MS/MS. Accuracy ranged from 98–100%, recoveries from 93–105%, and intraday and interday precision were 5–7% and 9–12%, respectively. The tested wheat grains, wheat flour, and bread samples did not contain detectable levels of T-2 and HT-2 toxins and OTB. Four wheat flour samples (8% of flour samples) showed positive OTA levels ranging from 0.6–3.4 μg·kg−1 with an arithmetic mean of 1.9 ± 0.2 μg·kg−1. Only one sample contained an OTA concentration greater than the limit set by the European Union (3 μg·kg−1) for wheat-derived products. This study suggests that mycotoxin contamination of wheat grains, wheat flour, and bread in Lebanon is currently not a serious public health concern. However, surveillance strategies and monitoring programs must be routinely implemented to ensure minimal mycotoxin contamination of wheat-based products.

ACS Style

Jomana Elaridi; Osama Yamani; Amira Al Matari; Saada Dakroub; Zouhair Attieh. Determination of Ochratoxin A (OTA), Ochratoxin B (OTB), T-2, and HT-2 Toxins in Wheat Grains, Wheat Flour, and Bread in Lebanon by LC-MS/MS. Toxins 2019, 11, 471 .

AMA Style

Jomana Elaridi, Osama Yamani, Amira Al Matari, Saada Dakroub, Zouhair Attieh. Determination of Ochratoxin A (OTA), Ochratoxin B (OTB), T-2, and HT-2 Toxins in Wheat Grains, Wheat Flour, and Bread in Lebanon by LC-MS/MS. Toxins. 2019; 11 (8):471.

Chicago/Turabian Style

Jomana Elaridi; Osama Yamani; Amira Al Matari; Saada Dakroub; Zouhair Attieh. 2019. "Determination of Ochratoxin A (OTA), Ochratoxin B (OTB), T-2, and HT-2 Toxins in Wheat Grains, Wheat Flour, and Bread in Lebanon by LC-MS/MS." Toxins 11, no. 8: 471.