GC-MS/MS检测野生食用菌中8种拟除虫菊酯类农药残留

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关键词野生食用菌;拟除虫菊酯类农药;QuEChERS;气相色谱-串联质谱法

中图分类号 TS207.5+3 文献标识码A

文章编号 0517-6611（2026）02-0179-04

doi：10.3969/j.issn.0517-6611.2026.02.032

AbstractObjectie]Amethodwasestablishedforthedeterminationof8pyrethoidpesticideresiduesinwildediblefungibyQuChERS methodcombinedwithgaschromatogaphy-tandemmassspectrometry（GC-MS/MS）.Metod]Tesampleswereextractedbyacetotrileso lution，salted out and stratified by salting out ladle，then redissolved with 2mL ethyl acetate after the supernatant was concentrated by rotary evaporation ，purified by 150mg anhydrous magnesium sulfate， 100mg primary secondary amine（PSA） and 7.5mg graphitized carbon black （GCB），andthendetectedbyGC-/，ndquantifdbyxtealstadardmetod[Result]Thsultssowedthathe8pyedpsticides had good linear relationship in the range of 0.006 to .The limits of detection were from 0.002 to 0.003mg/kg ， and the limits of quantification were from O.007 to 0.010mg/kg.I n three spiked concentrationlevels（O.024，O.120 and 0.600mg/kg ），theaverage recoveries were at 66.05%-108.19% and the relative standard deviations （RSD） were at 2.43%-12.23% .[Conclusion] The method has theadvantagesofalloutfacnt，ipeadiidsiiiydisablted analysis of 8 pyrethroid pesticide residues in wild edible fungi.

Key wordsWild edible fungi;Pyrethroid pesticides;QuEChERS;Gas chromatography-tandem mass spectrometry

野生菌为云南特色食品，年自然产量在50万t以上，年贸易量在20万t以上，国内外需求量大，远销欧美等40个国家。（剩余8375字）