太原市市售蔬菜硝酸盐含量及其对健康影响评价  

Study on the Contents and Distributions of Nitrate in Vegetables of Taiyuan City and the Evaluation of Their Influences on Health

作　　者：周梅素[1] 郭东龙[2] 林培华[3] 

机构地区：[1]山西大学分析测试中心,山西太原030006 [2]山西大学生命科学系,山西太原030006 [3]山西大学化学系,山西太原030006

出　　处：《山西大学学报（自然科学版）》2001年第4期362-364,共3页Journal of Shanxi University(Natural Science Edition)

基　　金：山西省青年科学基金 (9810 11)

摘　　要：对太原市居民常食八大类蔬菜中的硝酸盐含量及其分布作了详细研究 ,结果表明 :硝酸盐在不同蔬菜中的积累顺序为 :绿叶菜类 >根菜类 >白菜类 >豆类 >葱蒜类 >茄果类 >瓜类 >薯芋类。硝酸盐在蔬菜中的分布规律为 :根 >茎 >叶柄 >叶片。并以 ADI值为基础 ,作了健康影响评价。结果表明 ,太原市居民常食的大部分蔬菜均受到硝酸盐一定程度的污染 ,有些蔬菜如萝卜、芹菜污染较为严重 ,食用不当 。The content and distribution of nitrate in 8 catalogues of Vegetables available in Taiyuan market were studied by ion chromatography.It was shown that the accumulation of nitrate in varied vegetable samples conformed to the following order:leaf vegetables>root vegetables>cabbages>legumes>scallions>egg plants>gourds>yam.The levels of nitrate in various vegetable tissues were found different,i.e.roots>stems>petioles>leaves.The influence of nitrate on health has been studied based on the ADI value.It was shown that most of the vegetables available in Taiyuan market had been polluted by nitrate to some certain extent.Some species such as radish and celery had been contaminated badly.It will be harmful to health if we eat them improperly.

关 键 词：太原市 蔬菜 硝酸盐 健康影响评价 氮污染 含量测定 分布规律 

分 类 号：X835[环境科学与工程—环境工程]