Analysis of Nitrites and Nitrates in Hams and Sausages by Open-Tubular Capillary Electrochromatography with a Nanolatex-Coated Capillary Column

作者：Zhang Yanhao; Tian Xiangyu; Guo Yaxiao; Li Haibin; Yu Ajuan^*; Deng Zhifen; Sun Barry Baoguo; Zhang Shusheng

来源：Journal of Agricultural and Food Chemistry, 2014, 62(15): 3400-3404.

DOI：10.1021/jf500020w

• nanolatex
• open-tubular capillary electrochromatography
• nitrites
• nitrates
• food analysis

In this work, a new open-tubular capillary electrochromatography (OT-CEC) method with the nanolatex-coated column was proposed for the determination of nitrites and nitrates in foodstuffs. The method was simple and repeatable as a result of avoiding the introduction of an electroosmotic flow reverse additive (such as cetyltrimethylammonium chloride) in electrophoretic buffer. The limits of quantitation were 0.89 and 1.05 mg kg(-1) for nitrate and nitrite, respectively, whereas the overall recoveries ranged from 94 to 103%. The developed OT-CEC method was successfully applied for 12 samples, and the residue profiles of nitrites and nitrates in hams and sausages were obtained and evaluated.

• 出版日期2014-4-16
• 单位郑州大学