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首页> 外文期刊>Mycotoxin Research >Comparison of the amount of bioaccessible fumonisin B{ and B2 in maize and rice inoculated with Fusarium verticillioides (MRC 826) and determined by in vitro digestion—preliminary results
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Comparison of the amount of bioaccessible fumonisin B{ and B2 in maize and rice inoculated with Fusarium verticillioides (MRC 826) and determined by in vitro digestion—preliminary results

机译：用镰刀菌（MRC 826）接种玉米和水稻B2和B2的BioCocessible Fumonisin B {和B2的比较，并通过体外消化 - 初步结果测定

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摘要

In this study the occurrence of hidden furnonisin B] (FB]) and furnonisin B2 (FB2) was analysed, on two cereal substrates (maize and rice), inoculated with Fusarium verticillioides (MRC 826), in order to determine the ratio of hidden FBi and FB2. Twoparallel methods were applied: an in vitro human digestion sample pre-treatment and the routine extraction procedure, in both cases with subsequent LC-MS analysis. It was found that all samples showed higher concentration of total furnonisin B] after digestion, as compared to that of free furnonisin analysed only after extraction. The percentage of the hidden form by maize was 18.8 % (±2.4) for FBi and 36.8 % (±3.8) for FB2, while for rice it was 32.3 % (±11.3) and 58.0 (±6.8), respectively, expressed as the proportion to total furnonisin B1; for the total dataset. Significant differences were found in the FBi and FB2 concentration measured after the different digestion phases (saliva, gastric and duodenal) in case of both matrixes. The results areuseful for human risk assessment, since both humans and animals may be exposed to markedly higher toxin load, as determined merely by conventional analytical methods.
机译：在这项研究中，分析了隐藏Furnonisin B]（FB]）和Furnonisin B2（FB2）的发生，两种谷物基材（玉米和水稻），接种着镰刀菌（MRC 826），以确定隐藏的比例FBI和FB2。应用了二十二个平行方法：在两种情况下，在随后的LC-MS分析的情况下，在两种情况下，体外人类消化样品预处理和常规提取程序。结果发现，除了仅在提取后分析的自由Furbonisin相比，消化后，所有样品均显示出较高浓度的全福素B]。 FBI的玉米隐藏形式的百分比为18.8％（±2.4），FB2为36.8％（±3.8），而米为32.3％（±11.3）和58.0（±6.8），表示为与Furnonisin B1的比例;对于总数据集。在两种基质的情况下，在不同的消化相（唾液，胃和十二指肠）之后测量的FBI和FB2浓度中发现了显着差异。结果对人类风险评估的影响，因为人类和动物都可能暴露于显着更高的毒素负载，仅通过常规分析方法确定。

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  • 来源
    《Mycotoxin Research》 |2016年第3期|共6页
  • 作者

    J. Szabo-Fodor; I. Bors; A. Szab6; M. Kovacs;

  • 作者单位

    MTA-KE Mycotoxins in the Food Chain Research Group Kaposvar University Guba S. 40. Kaposvar H-7400 Hungary;

    MTA-KE Mycotoxins in the Food Chain Research Group Kaposvar University Guba S. 40. Kaposvar H-7400 Hungary;

    MTA-KE Mycotoxins in the Food Chain Research Group Kaposvar University Guba S. 40. Kaposvar H-7400 Hungary;

    MTA-KE Mycotoxins in the Food Chain Research Group Kaposvar University Guba S. 40. Kaposvar H-7400 Hungary;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 Q939.5;
  • 关键词

    Hidden furnonisin B; Bioaccessibility; Fusarium verticillioides; Maize; Rice;

    机译：隐藏的Furnonisin b];生物可接受性;镰刀菌植物植物素;玉米;米;

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