Agricultural commodities, particularly cereals can be contaminated with mycotoxins during the pre- and post-harvest stage. The main goal of this study was to evaluate the efficacy of magnetic zeolite nanocomposite (MZNC) as an adsorbent for the reduction of mycotoxins in barley flour. The MZNC is synthesised using an eco-friendly and efficient procedure and characterised by zeta potential, field emission scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The adsorbent amount that affects the adsorption capacity was optimised. Low amounts of the nanocomposite removed >99% of aflatoxins, 50% of ochratoxin A, 22% of zearalenone, and 1.8% of the deoxynivalenol from the contaminated sample and adsorption by MZNC was better than the natural zeolite; this phenomenon is related to the wide surface of nanocomposites. Results provide new insights into possible future research that could overcome the challenges of using nanotechnology to eliminate mycotoxins from agricultural products. It can be hoped that the presence of cheap and eco-friendly mycotoxin binders such as the MZNC that is synthesised and utilised in this research will help to produce secure food and feed products.

中文翻译：

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合成磁性纳米沸石作为霉菌毒素粘合剂，降低大麦中黄曲霉毒素、玉米赤霉烯酮、赭曲霉毒素 A 和脱氧雪腐镰刀菌烯醇的毒性

在收获前和收获后阶段，农产品，特别是谷物可能会被霉菌毒素污染。本研究的主要目的是评估磁性沸石纳米复合材料 (MZNC) 作为吸附剂减少大麦粉中霉菌毒素的效果。MZNC 采用环保高效的工艺合成，并通过 zeta 电位、场发射扫描电子显微镜和能量色散 X 射线光谱进行表征。优化了影响吸附容量的吸附剂用量。少量的纳米复合材料从污染样品中去除了>99%的黄曲霉毒素、50%的赭曲霉毒素A、22%的玉米赤霉烯酮和1.8%的脱氧雪腐镰刀菌烯醇，MZNC的吸附效果优于天然沸石；这种现象与纳米复合材料的宽表面有关。结果为未来可能的研究提供了新的见解，这些研究可以克服使用纳米技术消除农产品中霉菌毒素的挑战。可以希望，本研究中合成和使用的廉价且环保的霉菌毒素粘合剂（例如 MZNC）的存在将有助于生产安全的食品和饲料产品。