期刊
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
卷 77, 期 11, 页码 2218-2221出版社
TAYLOR & FRANCIS LTD
DOI: 10.1271/bbb.130433
关键词
glyphosate; glufosinate; metabolic product; simultaneous analysis; liquid chromatography tandem mass spectrometry (LC-MS/MS)
Glyphosate and glufosinate are non-selective herbicides that have been extensively used worldwide. Their ionic and water-soluble characteristics often make it difficult to analyze them, especially in food components. A method was developed in this study for the simultaneous analysis of glyphosate, glufosinate, and three metabolic products in beer, barley tea, and their ingredients (malt and corn). The analytical samples were extracted with 1120, purified with a strong anion-exchange solid-phase extraction (SPE) cartridge, and then analyzed by liquid chromatography tandem mass spectrometry (LC-MS/MS) with an anion-exchange high-performance liquid chromatography (HPLC) column. This method enabled a rapid and sensitive analysis [limit of quantification (LOQ) = 10 mu g/kg] of the herbicides to be achieved.
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