Determination of cypermethrin in palm oil matrices

Zainudin, B.H. and Abu Bakar, N.K. and Muhamad, H. (2009) Determination of cypermethrin in palm oil matrices. European Journal of Lipid Science and Technology, 111 (10). pp. 1014-1019. ISSN 1438-7697

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Abstract

In this study, a new method was developed for the determination of cypermethrin residue in both crude palm oil (CPO) and crude palm kernel oil (CPKO) using GC with electron capture detector. In this method, the oil was extracted with acetonitrile. Aliquots were cleaned-up using combined solid phase extraction (SPE), and a primary-secondary amine in combination with graphitized carbon black. The SPE cartridges were first conditioned and then eluted with acetonitrile. Cypermethrin recoveries from the fortified CPO samples were 87-98 with relative standard deviation (RSD) values of 4-8, while those for the fortified CPKO samples were 83-100 with RSD values of 3-10. Since good recoveries were obtained with RSD values below 10 in most cases, the proposed methodology will be useful for the analyses of palm oil samples. The method was successfully applied to the analysis of cypermethrin in real palm oil samples from various parts of Malaysia. No cypermethrin residue was found among 30 samples analyzed.

Item Type: Article
Uncontrolled Keywords: Crude palm kernel oil Crude palm oil Cypermethrin Pesticide
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science > Dept of Chemistry
Depositing User: miss munirah saadom
Date Deposited: 02 Jul 2013 01:42
Last Modified: 02 Jul 2013 01:42
URI: http://eprints.um.edu.my/id/eprint/6245

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