大理市市售蔬菜硝酸盐及亚硝酸盐污染现状分析

发布时间：2018-05-23 15:21

本文选题：蔬菜 + 硝酸盐　；参考：《现代预防医学》2017年21期

【摘要】：目的通过对大理市市售蔬菜硝酸盐及亚硝酸盐的含量进行检测和分析,为蔬菜的食用安全提供科学依据。方法采用食品安全检测仪对大理市市区3大菜市场8类20种蔬菜中的硝酸盐和亚硝酸盐含量进行测定,并对结果进行分析。结果 8类蔬菜亚硝酸盐含量高低顺序为叶菜类根菜类花菜类茄果类茎菜类瓜菜类豆类葱蒜类,经方差分析,叶菜类与根菜类、花菜类及茎菜类亚硝酸盐含量之间无统计学意义(P0.05),但与其他几类蔬菜间均有统计学意义(P0.05),其中与葱蒜类(P=0.002)及瓜菜类(P=0.007)的差异达到极显著水平。市售蔬菜硝酸盐污染情况轻度、中度、重度、严重污染率分别为75%、7.5%、8.75%、8.75%。结论大理市市售蔬菜硝酸盐、亚硝酸盐污染情况较为严峻,叶菜类蔬菜含量最高;不同菜市场污染情况不同,新桥菜市场亚硝酸盐污染严重,而灯笼菜市场硝酸盐污染严重。
[Abstract]:Objective to provide scientific basis for edible safety of vegetables by detecting and analyzing nitrate and nitrite contents in vegetables sold in Dali city. Methods the contents of nitrate and nitrite in 20 kinds of vegetables of 8 kinds in 3 major vegetable markets in Dali city were determined by food safety detector, and the results were analyzed. Results the order of nitrite content in 8 kinds of vegetables was leaf vegetables, root vegetables, cauliflower, eggplant, fruit, stem, melon, vegetables, beans, onion, garlic, etc. There was no significant difference in nitrite content between cauliflower and stem vegetables, but there was a significant difference between them with other vegetables, including onion and garlic (P0. 002) and melon and vegetable (P0. 007). The nitrate pollution of vegetables sold on the market was mild, moderate and severe, and the serious pollution rate was 757.5and 8.75 / 8.75 respectively. Conclusion the pollution of nitrate and nitrite in vegetables sold in Dali city is serious, the content of leafy vegetables is the highest, the pollution situation of different vegetable markets is different, the pollution of nitrite in Xinqiao vegetable market is serious, and the nitrate pollution in lantern vegetable market is serious.
【作者单位】：大理大学公共卫生学院;大理大学农学与生物科学学院;
【基金】：云南省教育厅项目(2014C110Y)
【分类号】：R155.5

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