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Methyl Salicylate-Based Vortex-Assisted Surfactant-Enhanced Emulsification Microextraction and HPLC for Determination of Fungicides in Honey Samples

Yanawath Santaladchaiyakit, Jutamas Bunchamnan, Darunee Tongsa, Supalax Srijaranai


Methyl salicylate based vortex-assisted surfactant-enhanced emulsification microextraction (MeSA-VASEME) has been developed and applied for rapid preconcentration of fungicides (i.e., carbendazim, thiabendazole, and fluberidazole) in honey samples followed by high performance liquid chromatographic analysis. MeSA was used as an extraction solvent, while surfactant was used to enhance the extraction performance under the dispersion by vortex agitation. The optimum MeSA-VASEME conditions were 100 μL MeSA, 2.0 mmol L‒1 sodium dodecyl sulfate, and vortex agitation at 1200 rpm for 90 s. Preconcentration factors were obtained in the range of 32 – 40. The limit of detection in the studied honey samples was 0.5 μg L‒1. The recovery of the spiked target fungicides at 20, 50, and 100 μg L‒1 were 81.5 – 116.8 % with the relative standard deviation below 11%. The proposed method is simple, sensitive, less organic solvent consuming, inexpensive, and a rapid procedure for the residue analysis of fungicides in honey samples.


Methyl salicylate; Vortex-assisted surfactant-enhanced emulsification microextraction; HPLC; Fungicide; Honey

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