HUANG Jun-xuan,LV Ran,YANG Jing-hui,et al.Content of Nitrate in Some Species of Fruit and Vegetable from Wholesale Market of Hongqi in Tianjin[J].Northern Horticulture,2012,36(21):19-21.
天津红旗批发市场部分果蔬硝酸盐含量分析
- Title:
- Content of Nitrate in Some Species of Fruit and Vegetable from Wholesale Market of Hongqi in Tianjin
- 文章编号:
- 1001-0009(2012)21-0019-03
- Keywords:
- pollution; fruit; vegetable; salicylic acid
- 分类号:
- Q 946.91
- 文献标志码:
- A
- 摘要:
- 采用水杨酸分析法于2012年3~4月对天津市红旗批发市场随机抽取的25种果蔬样品进行硝酸盐含量的测定。结果表明:检测果蔬样品中硝酸盐含量为47.89~2 187.23 mg/kg,轻度污染占52%,中度污染占20%,高度污染占24%,严重污染占4%,硝酸盐含量依次为:叶菜类>葱蒜类>根茎类>水果类>豆类>茄果类。其中:大白菜、土豆、胡萝卜、草莓、橙子、茄子、青椒、柿子椒、线椒、豆角、豇豆、荷兰豆、洋葱为轻度污染;菠菜、香蕉、芒果、梨、苹果为中度污染;生菜、香菜、油麦菜、白萝卜、韭菜为高度污染;油菜、蒜为严重污染。
- Abstract:
- The samples of 25 fruit and vegetable were collected from wholesale market of Hongqi in Tianjin in March~April,2012,and the nitrate content of samples were analyzed by salicylic acid method.The results showed that nitrate content of all samples were from 47.89 mg/kg to 2 187.23 mg/kg,in which,mild pollution,moderate pollution,severe pollution and most severe pollution were 52%,20%,24% and 4% respectively in all samples.The nitrate content of samples in turn was leaf vegetables>alliaceous vegetables>rhizome>fruit>legumes>eggplant fruit.Chinese cabbage,potato,carrot,strawberry,orange,pepper,eggplant,cayenne pepper,bean,cowpea,snowpeas and onions were polluted mildly;spinach,banana,mango,apple and pear were polluted moderately;lettuce,coriander,lettuce,white radish,leek and garlic were polluted severely;the pollution of rape was the moust severe in all samples.
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备注/Memo
第一作者简介:黄俊轩(1973-),男,广东河源人,本科,副教授,现主要从事园林植物的教学和科研工作。E-mail:huangjunxuan@sina.com.