Abstract

The pesticide residues in foods have received increasing attention as one of the most important food safety issues. Therefore, more strict regulations on the maximum residue limits (MRLs) for pesticides in foods have been established in many countries and health organizations, based on the sensitive and reliable analysis methods of pesticide residues. However, the analysis of pesticide residues is a continuing challenge mainly because of the small quantities of analytes as well as the large amounts of interfering substances which can be co-extracted with them, often leading to experimental errors and damage to the Analytical instruments. Thus, extensive sample preparation is often required for the pesticide residue analysis for the effective extraction of the analytes and removal of the interferences. This paper focuses on reviewing the recent development in the sample preparation methods for the pesticide residue analysis in some food samples. The methods include: Liquid-Liquid extraction (LLE), Solid-Phase extraction (SPE), Matrix Solid-Phase Dispersion (MSPD), Solid-Phase Micro-extraction (SPME), QuEChERS, and Liquid Phase Micro-extraction (LPME).

Highlights

  • Pesticides are chemicals used to control pest populations, reduce pest damage on crops, landscape or animals

  • A fast and robust method was developed for the determination of triazole fungicides in fruit samples using direct-immersion solid phase micro-extraction coupled to gas chromatography with time-of-flight mass spectrometry detection [13]

  • A sensitive and reliable extraction method based on two-phase hollow fiber liquid phase micro extraction followed by gas Chromatography-mass spectrometry has been developed for determination of pyrethroid pesticides in Vegetable juice, Apple juice, Peach juice, Orange juice and Kiwi juice [37]

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Summary

A Review

Email address: To cite this article: Shibiru Eticha. A Review: Sample Preparation Methods for the Pesticide Residue Analysis in Food Samples. Received: September 16, 2020; Accepted: September 30, 2020; Published: November 11, 2020

Introduction
Liquid –Liquid Extraction
Solid Phase Extraction
Solid Phase Micro-extraction
Matrix Solid-phase Dispersion
QUCHERES
Liquid Phase Micro-extraction
Findings
Conclusion
Full Text
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