论文部分内容阅读
目的了解哈尔滨市售蔬菜中阿维菌素和吡虫啉农药的残留现状。方法于2007-05/10,从哈尔滨市10个主要农贸市场和5个超市采集的大辣椒、小辣椒、黄瓜、西红柿、豆角、菠菜、油菜、大头菜、花菜和白菜菜样各15件,采用高效液相色谱法检测其农药残留情况。结果阿维菌素农药的检出率41.33%,超标率38.00%;吡虫啉农药的检出率为20.67%,均未超出吡虫啉的最高残留限量标准。10种蔬菜样品中白菜、油菜、大头菜和菠菜的阿维菌素农药检出率较高,在40%～53.33%之间,白菜的超标率最高,为53.33%;菠菜、大头菜和西红柿吡虫啉农药的检出率较高,在26.67%～33.33%之间。结论调查的蔬菜中普遍存在阿维菌素、吡虫啉农药残留,需要引起有关方面的关注。
Objective To understand the residual status of abamectin and imidacloprid pesticides in vegetables sold in Harbin. Methods Fifteen large pepper, peppers, cucumbers, tomatoes, beans, spinach, rape, rutabaga, cauliflower and cabbage were collected from 10 major farmers’ markets and 5 supermarkets in Harbin from May to October of 2007 respectively. Determination of Pesticide Residues by High Performance Liquid Chromatography. Results The detection rate of avermectin pesticides was 41.33%, exceeding the standard of 38.00%. The detection rate of imidacloprid pesticides was 20.67%, which did not exceed the maximum residue limit of imidacloprid. The detection rate of avermectin pesticides in cabbage, rape, rutabaga and spinach was higher in 10 kinds of vegetable samples, with the highest standard deviation of cabbage being 53.33% between 40% and 53.33%; spinach, kohlrabi and tomato imidacloprid pesticide The detection rate is higher, between 26.67% ~ 33.33%. Conclusion The prevalence of avermectin and imidacloprid pesticide residues in vegetables surveyed needs to be concerned.