摘要
以红富士苹果为实验材料,研究紫外线降解苹果中有机磷农药降解情况。研究结果表明:用波长为253.7nm紫外光,有效强度为2243μW/cm2分别照射载有有机磷农药的苹果7、5、3、1min和对照(载药苹果阴干不作处理)相比,对照的农药残留降解率极低,紫外线照射时间5min的对甲胺磷的降解率是66.10%,对敌敌畏的降解率是66.49%,对久效磷的降解率是52.40%。都显著优于对照,综合效果最好。
The effects of degradation of pesticide residues of Red Fuji apple by Ultraviolet Disinfection treatment was studied in this paper. The result of research indicates that：The Ultraviolet Disinfection of 253.7 nm wavelength and 2243 μW/cm2 effectual intensity treated the apple with methamidophos,dichlorovos,monoc-rotophos for 7 minutes,5 minutes,3 minutes,1 minutes. Don t treat as CK The Ultraviolet Disinfection treatment was better than CK obviously. The degradation ratio of methamidophos,dichlorovos,monocrotophos residue were 66.10%, 66.49% and 52.40% for 5 minutes. Respetively analysis by synthesis shows that 5 minutes treatment can reach its best effect.
出处
《食品科技》
CAS
北大核心
2009年第12期101-104,共4页
Food Science and Technology
基金
国家示范性高职高专建设工学结合项目
商丘市人民政府科技研究项目(2007-14B-012)
关键词
紫外线
有机磷农药
农药残留
降解率
the Ultraviolet Disinfection technology
pesticide of pyrethroid
pesticide residue
the degradation ratio
