This document introduces a new software and database for rapid detection of Japanese food samples for pesticide residues. The software and database can automatically identify 430 GC/MS data of pesticides regulated by the Japanese government.
This document outlines a method for screening food samples for the 430 pesticides regulated under the Japanese Ministry of Health, Labour and Welfare's Positive List System. The method utilizes Agilent's Deconvolution Reporting Software (DRS) combined with a specific Japanese Positive List Pesticide Database to analyze Gas Chromatography-Mass Spectrometry (GC/MS) data.
The process relies on spectral deconvolution to extract clean spectra from complex, dirty samples containing co-eluting peaks. By using retention time locking and comparing deconvoluted spectra against the library, the method can identify target compounds in approximately two minutes per sample. The document includes a case study demonstrating the detection of 156 out of 229 spiked pesticides in a green pepper extract.
| Analysis time per sample | 2 to 3 minutes |
|---|
The database contains mass spectra for 430 pesticides.
Retention time locking (RTL) eliminates almost all false positive hits by ensuring hits fall within a user-settable window.