摘要
文中设计并比较了水解-液液萃取法、水解-微波辅助萃取法、微波辅助萃取-水解法和水解一超声波萃取法4种食品中多环芳烃(PAHs)残留分析的提取方法;同时进行了净化实验。结果表明,水解-液液萃取法和水解-微波辅助萃取法的提取效果理想;采用中性氧化铝固相萃取回收率高,除杂效果明显。将水解-微波辅助萃取-中性氧化铝固相萃取净化法应用于多种食品进行分析,结果表明该方法适用于食品中PAHs残留分析。
this paper compares 4 kinds of extract methods for analyzing PAHs residue in food, which are hydrolysis-Liquid-liquid extraction （LLE）, hydrolysis-microwave assisted extraction （MAE）, MAE-hydrolysis extraction and hydrolysis-ultrasonic-assisted extraction. Meanwhile, the purification test also is done. The result shows that hydrolysis-LLE and hydrolysis-MAE are better for extracting PAHs form food, and higher recovery and better removing impurity are got by using neutral Al2 O3 SPE. Hydrolysis-MAE-neutral Al2O3 SPE extraction applies to the analysis of some food. The result shows that this method is suitable for the PAHs residue analysis in food.
出处
《食品与发酵工业》
CAS
CSCD
北大核心
2008年第7期141-145,共5页
Food and Fermentation Industries
关键词
前处理方法
多环芳烃
残留分析
食品
preliminary treatment methods, PAHs, residue analysis, food
