Determination of Hexazinone and Its Major Metabolites in Livestock Products by LC-MS/MS

Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan
Akiko KubotaMitsutoshi Aoyagi

Abstract

A method for the determination of hexazinone and three metabolites (hexazinone metabolite B, hexazinone metabolite C, hexazinone metabolite F) in livestock products by LC-MS/MS was developed. Hexazinone and the three metabolites were extracted from a sample with acetonitrile in the presence of n-hexane, and lipid was removed by acetonitrile/n-hexane partition. The acetonitrile extract was cleaned up using a SAX/PSA cartridge column. Average recoveries (n=5) of hexazinone and the three metabolites from cattle meat, fat, liver and milk spiked at the maximum residue limits (MRLs) or at 0.0025 mg/kg ranged from 85.6 to 96.0%, and the relative standard deviations ranged from 0.8 to 4.9%.

References

Jan 1, 1981·Journal of Agricultural and Food Chemistry·R F Holt
Nov 10, 2009·Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan·Yoko KitagawaHirotaka Obana
Mar 28, 2012·Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan·Katsushige UranishiKeigo Yamamoto
Jun 13, 2012·Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan·Takahide KondoMotonobu Miyazaki
Jul 19, 2013·Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan·Satoshi TakatoriHirotaka Obana

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