Analysis of Fungicide on the Peel Surface of Imported Oranges (1)—Identifying Substances by Simple Pretreatment and Accurate Mass Analysis—

User Benefits

- The presence or absence of target substances on target surfaces can be determined easily. - Using Q-TOF accurate mass analysis, substances can be identified with only simple pretreatment.

Introduction

Due to the long transport time of agricultural products imported to Japan from overseas, post-harvest pesticides are applied after agricultural products are harvested to prevent mold or decay during transport. However, Japan prohibits the importation, use, or sale of foods with unapproved post-harvest pesticides. Therefore, inspection technologies that require only simple pretreatment and operating steps to determine whether or not post-harvest pesticides were used are expected to achieve shorter inspection times and result in shorter overall transport times. This article describes an example of using an LCMS-9050 quadrupole time-of-flight (Q-TOF) mass spectrometer in combination with a DPiMS QT kit for a direct probe ionization mass spectrometer. The equipment combination shows that it detects post-harvest fungicide residues on the peel surface of imported oranges with a simple sample pre-treatment.

March 28, 2023 GMT