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近年来,食物中毒中,由农药残留引起的所占比例越来越高,中毒死亡人数占总中毒死亡人数的20%左右。所以,蔬菜农药残留污染问题不容忽视。蔬菜农药残留,是指蔬菜在喷施农药后残留在蔬菜表面的农药及有毒代谢物、降解转化产物和反应杂质的总称。蔬菜大多数生长期短,病虫害比较严重,种植过程中需多次施药,加上施药后采摘间隔短,
In recent years, the food poisoning, the proportion of pesticide residues caused by higher and higher, poisoning deaths accounted for about 20% of the total number of poisoning deaths. Therefore, the problem of vegetable pesticide residue pollution can not be ignored. Vegetable pesticide residues, refers to the pesticide residues in the vegetable surface after spraying pesticides and toxic metabolites, degradation of transformation products and reaction impurities in general. Most of the growing season of vegetables is short, more serious pests and diseases, the process of planting need to be applied several times, coupled with short intervals after picking,