| 贮存方法和贮存时间对蔬菜样品中硝酸盐和亚硝酸盐含量的影响 |
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| 引用本文： | 徐亚平,刘凤枝,战新华,何宗兰,蔡彦明.贮存方法和贮存时间对蔬菜样品中硝酸盐和亚硝酸盐含量的影响[J].农业环境科学学报,2005,24(Z1):257-258. |
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| 作者姓名： | 徐亚平 刘凤枝 战新华 何宗兰 蔡彦明 |
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| 作者单位： | 农业部环境监测总站,天津,300191 |
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| 摘 要： | 选择有代表性的叶菜、果菜和根茎类蔬菜,采用紫外分光光度法,研究不同的贮存方法和贮存时间对蔬菜中硝酸盐和亚硝酸盐含量的影响。结果表明:将蔬菜样品经过食品料理机初步捣碎后,采用冷藏方法贮存,硝酸盐含量明显增大,亚硝酸盐含量明显减少,而冷冻方法硝酸盐和亚硝酸盐含量变化不大;采用冷冻方法贮存,测定鲜样、冷冻3 d和冷冻9 d蔬菜样品中的硝酸盐和亚硝酸盐含量,其结果基本不变。
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| 关 键 词： | 蔬菜 硝酸盐 亚硝酸盐 贮存方法 贮存时间 |
| 文章编号： | 1672-2043(2005)增刊-0257-02 |
| 修稿时间： | 2005年7月28日 |
Effects of Different Storage Conditions on the Content of Nitrate and Nitrite in Vegetables |
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| XU Ya-ping,LIU Feng-zhi,ZHAN Xin-hua,HE Zong-lan,CAI Yan-ming.Effects of Different Storage Conditions on the Content of Nitrate and Nitrite in Vegetables[J].Journal of Agro-Environment Science( J. Agro-Environ. Sci.),2005,24(Z1):257-258. |
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| Authors: | XU Ya-ping LIU Feng-zhi ZHAN Xin-hua HE Zong-lan CAI Yan-ming |
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| Abstract: | Effects of different storage conditions on the content of Nitrate and Nitrite in vegetables are described in this paper.Under the cold storage condition,the change of contents of nitrate and nitrite is insignificant,while under the cool storage condition,the nitrate contents in vegetables increase significantly with the nitrite contents in vegetables decrease. |
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| Keywords: | vegetable nitrate nitrite cool storage cold storage |
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