| 辉光放电等离子体对水溶液中棒曲霉素的降解作用 |
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| 引用本文： | 孙 艳,蒲陆梅,龙海涛,张慧秀,薛华丽,毕 阳.辉光放电等离子体对水溶液中棒曲霉素的降解作用[J].食品科学,2015,36(19):29-33. |
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| 作者姓名： | 孙 艳 蒲陆梅 龙海涛 张慧秀 薛华丽 毕 阳 |
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| 作者单位： | 1.甘肃农业大学食品科学与工程学院，甘肃 兰州 730070；2.甘肃农业大学理学院，甘肃 兰州 730070 |
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| 摘 要： | 研究辉光放电等离子体在不同酸度条件下和不同催化剂存在时对水溶液中棒曲霉素的降解作用。结果表明:当直流电压为600 V,电流范围为145~155 mA时,辉光放电等离子体可在40 min内有效降解水溶液中的棒曲霉素。在pH4.0时降解棒曲霉素效率更高,Fe~(2+)、H_2O_2对降解反应具有催化作用,可提高棒曲霉素的降解速率,而纳米ZnO却减小了棒曲霉素的降解速率。
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| 关 键 词： | 辉光放电等离子体 棒曲霉素 降解 |
Degradation of Patulin in Aqueous Solution by Glow Discharge Plasma |
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| SUN Yan,PU Lumei,LONG Haitao,ZHANG Huixiu,XUE Huali,BI Yang.Degradation of Patulin in Aqueous Solution by Glow Discharge Plasma[J].Food Science,2015,36(19):29-33. |
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| Authors: | SUN Yan PU Lumei LONG Haitao ZHANG Huixiu XUE Huali BI Yang |
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| Affiliation: | 1. College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China;
2. College of Science, Gansu Agricultural University, Lanzhou 730070, China |
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| Abstract: | The degradation of patulin in aqueous solution by glow discharge plasma was studied using different acidities and
catalysts. The results showed that patulin could be rapidly and effectively degraded by glow discharge plasma at DC voltage of
600 V and in the current range of 145–155 mA. The condition of pH 4.0 was favorable to the degradation. Fe2+ and hydrogen
peroxide had obvious catalytic effect on the degradation, but nano-zinc oxide slowed down the degradation of patulin. |
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| Keywords: | glow discharge plasma patulin degradation |
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