去除黄曲霉毒素B_1的菌株筛选
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国家科技支撑计划项目(2009BADB9B08)


Screening of Aflatoxin B1 Removal Strains
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    摘要:

    作者从花生土壤和花生粕中筛选能去除黄曲霉毒素B1(AFB1)的菌。利用营养特异性方法进行去除AFB1菌株的初筛,之后将初筛的7株菌的细胞和发酵上清液作用于质量浓度为200μg/L的AFB1。结果表明:筛选得到的TRS-3菌株,其活细胞和死细胞对AFB1的去除率分别达到48.26%和53.56%,其发酵上清液降解AFB1的能力达到78.55%,均明显高于其它菌株。通过对TRS-3菌株的鉴定,最终确定为巨大芽孢杆菌(Bacillus megaterium)。

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    The objective of this study was mainly to screen the bacteria that could remove aflatoxin B1 in the peanut soil and moldy meal.After the first screening by the nutrient-specific method,the effect of cells and the supernatant fluid of the seven strains on aflatoxin B1(200 μg/L) was investigated.The result demonstrated that among the seven strains,the strain TRS-3 can remove aflatoxin B1 effectively,with 48.26% and 53.56% of the removal ratio of AFB1 by viable and dead cells,respectively.The degradation ratio of the supernatant fluid reached 78.55%,which was significantly higher than that of others.The strain TRS-3 was finally identified as Bacillus megaterium.

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孙丰芹,金青哲,王兴国,王珊珊,李秋.去除黄曲霉毒素B_1的菌株筛选[J].食品与生物技术学报,2011,30(2):273-277.

SUN Feng-qin, JIN Qing-zhe, WANG Xing-guo, WANG Shan-shan, LI Qiu. Screening of Aflatoxin B1 Removal Strains[J]. Journal of Food Science and Biotechnology,2011,30(2):273-277.

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  • 在线发布日期: 2014-06-17
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