蔬菜生长与储藏过程中硝酸盐和亚硝酸盐含量变化

doi:10.3969/j.issn.1007-2861.2014.01.034

上海大学学报(自然科学版) ›› 2015, Vol. 21 ›› Issue (1): 81-87.doi: 10.3969/j.issn.1007-2861.2014.01.034

蔬菜生长与储藏过程中硝酸盐和亚硝酸盐含量变化

闫潇娟1, 严丽君1,2, 胡雪峰1,3, 王坚4

1. 上海大学环境与化学工程学院, 上海200444; 2. 上海大学循环经济研究院, 上海200072; 3. 上海大学生命科学学院上海市能源作物育种与应用重点实验室, 上海200444; 4. 上海市青浦区农技推广服务中心, 上海201700

收稿日期:2014-01-22 出版日期:2015-02-28 发布日期:2015-02-28
通讯作者: 胡雪峰(1968—), 男, 教授, 博士生导师, 博士, 研究方向为土壤环境、农业生态等. E-mail:xfhu@shu.edu.cn
基金资助:
国家自然科学基金资助项目(41130526, 41471174)

Variations of nitrate and nitrite contents in vegetables during growth and storage

YAN Xiao-juan1, YAN Li-jun1,2, HU Xue-feng1,3, WANG Jian4

1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China; 2. Academy of Recycling Economy, Shanghai University, Shanghai 200072, China; 3. Shanghai Key Laboratory of Bio-energy Crops, School of Life Sciences, Shanghai University, Shanghai 200444, China; 4. Agricultural Technology Service Center, Qingpu District of Shanghai, Shanghai 201700, China

Received:2014-01-22 Online:2015-02-28 Published:2015-02-28

摘要/Abstract

摘要： 田间试验表明, 施用化肥能显著提高小青菜中硝酸盐的累积, 且小青菜叶柄中硝酸盐的累积量远高于叶片. 通常新鲜蔬菜中亚硝酸盐含量低于1 mg/kg FW(fresh weight, 指鲜重),但在蔬菜储藏过程中,易造成亚硝酸盐的累积. 在室温储藏条件下,当蔬菜腐烂时亚硝酸盐含量会增至数百mg/kg FW, 对人体健康构成严重威胁. 蔬菜食前处理后储藏, 也会对亚硝酸盐的累积产生重要影响.尤其是蔬菜制成匀浆后,短期内亚硝酸盐含量会剧增,应引起充分重视.

关键词: 储藏, 化肥, 蔬菜, 硝酸盐, 亚硝酸盐

Abstract: Field experiments indicate that nitrate content in Chinese cabbage (brassica chinensis) is significantly raised when applying chemical fertilizers. Moreover, the nitrate content in its petioles is significantly higher than that in leaves. The nitrite content in fresh vegetables is usually less than 1 mg/kg FW (fresh weight), but may be significantly raised when it is stored. Especially, the nitrite content in vegetables sharply increases to several hundred mg/kg FW as soon as the leaves are decayed when it is stored at room temperature, posing a risk to human health. Pretreatments of vegetables before storage also significantly influence of nitrite accumulation. It should be noted that the nitrite content in vegetables stored as homogenate often increases sharply in a short term.

Key words: chemical fertilizer, nitrate, nitrite, storage, vegetable

中图分类号:

闫潇娟1, 严丽君1,2, 胡雪峰1,3, 王坚4. 蔬菜生长与储藏过程中硝酸盐和亚硝酸盐含量变化[J]. 上海大学学报(自然科学版), 2015, 21(1): 81-87.

YAN Xiao-juan1, YAN Li-jun1,2, HU Xue-feng1,3, WANG Jian4. Variations of nitrate and nitrite contents in vegetables during growth and storage[J]. Journal of Shanghai University（Natural Science Edition）, 2015, 21(1): 81-87.

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蔬菜生长与储藏过程中硝酸盐和亚硝酸盐含量变化

Variations of nitrate and nitrite contents in vegetables during growth and storage

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