黄曲霉污染稻谷贮藏期间典型挥发性成分的变化
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(1. 中南林业科技大学食品科学与工程学院,湖南 长沙 410018;2. 稻谷及副产物深加工国家工程实验室,湖南 长沙 410018)

作者简介:

任佳丽(1977—),女,中南林业科技大学副教授,博士。E-mail: rjl_cl@163.com

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基金项目:

国家自然科学基金(编号:31340059);粮油深加工与品质控制湖南省2011协同创新项目(编号:湘教通〔2013〕448号)


Study on typical volatiles of rice contaminated by Aspergillus flavus during storage
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(1. Colledge of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410018, China; 2. National Engineering Laboratory of Rice and By-Products Processing, Changsha, Hunan 410018, China)

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    摘要:

    采用HS—SPME/GC—MS检测了黄曲霉污染稻谷贮藏期间的挥发性成分并获取其总离子流图。结合TurboMass 和NIST Search软件分析GC—MS总离子流图,得出黄曲霉污染稻谷的挥发性成分有26 种,其中醛类5 种,醇类6 种,酮类1 种,烃类9 种,酯类1 种,杂环类1 种,有机酸1种,胺类1种。依据黄曲霉在稻谷中的分解代谢和物质转化,推测出2-羟基-丙酰胺和庚醛是黄曲霉污染稻谷的典型挥发性成分,可作为判别黄曲霉污染稻谷的典型标志物,也可为基于挥发性代谢产物早期快速鉴别黄曲霉污染稻谷的器件开发提供试验依据。

    Abstract:

    A headspace-solid phase microextraction/gas chromatography-mass spectrometry (HS—SPME/GC—MS) was used to analyze the volatiles of rice contaminated with Aspergillus flavus and their ion chromatograms were obtained. Combined TurboMass and NIST Search software, 26 volatile metabolites were identified in rice contaminated with Aspergillus flavus, including five kinds of aldehydes, six kinds of alcohols, one kind of ketone, nine kinds of hydrocarbons, one kind of ester, one kind heterocyclic, one kind of organic acid, one kind of amine. Based on aflatoxin catabolism and substance transformation in the rice, 2-hydroxy inferred-propionamide and Heptaldehyde are typically volatile component group, which would be used as typical markers to identify rice contaminated by Aspergillus flavus, but also provide a theoretical basis for development of early and rapid detection techniques for identification of contamination rice.

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任佳丽,唐云鹏,张紫莺,等.黄曲霉污染稻谷贮藏期间典型挥发性成分的变化[J].食品与机械,2016,32(8):49-54.
RENJiali, TANGYunpeng, ZHANGZiying, et al. Study on typical volatiles of rice contaminated by Aspergillus flavus during storage[J]. Food & Machinery,2016,32(8):49-54.

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  • 在线发布日期: 2023-03-09
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