A gradual advancement of the extraction and cleanup techniques for residue analysis of pesticides in food matrices and liquid products: a review

Abstract

In this review we have discussed the methods which have been used for extraction and cleanup during multi residue methods (MRM) of pesticides in food matrices and liquid food products. Single residue method (SRM) is used for the analysis of single pesticide residue in matrix. Now days it is very common to find pesticides in the food products because of the increased use of pesticides for the protection and better productivity of food materials. Different types of pesticides are used on the plants and food materials. There is a gradual advancement in the multi pesticide residue analysis of food and liquid food products so that the use of pesticides can be monitored. In this concern there are methods which are used for the single pesticide residue analysis and multi pesticide residue analysis. The development of residue analysis methods depends on the properties of matrices and pesticides. In recent time the advancement in techniques and instrumentation has contributed to great extent in the improvement of residue analysis. Soxlet extraction (SOX) is still in use for MRM. Liquidliquid extraction (LLE) is applied in the pesticide residue analysis of commodities with highmoisture.. Earlier the process of residue analysis were long and tiring and involved the use of larger quantity of hazardous solvent and other chemicals but the advanced methods are more convenient and lesser in cost. Key wordsMRM, SRM, SOX, LLE, SPE, SPME, MSPD, SFE, ASE.