Determination of Flufenacet and Its Metabolites in Agricultural Products by LC-MS/MS

被引：3

作者：

Imai, Misako ^{[1
]}

Takagi, Nobuhiro ^{[1
]}

Yoshizaki, Mayuko ^{[1
]}

Hosoki, Emi ^{[1
]}

Kobayashi, Yukari ^{[1
]}

机构：

[1] Niigata Prefectural Inst Publ Hlth & Environm Sci, Nishi Ku, 314-1 Sowa, Niigata, Niigata 9502144, Japan

来源：

FOOD HYGIENE AND SAFETY SCIENCE | 2019年 / 60卷 / 01期

关键词：

flufenacet; flufenacet metabolite; agricultural product; LC-MS/MS; PESTICIDE-RESIDUES; VEGETABLES; FRUITS;

D O I：

10.3358/shokueishi.60.1

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

A simultaneous analytical method based on LC-MS/MS was developed for the determination of flufenacet and its metabolites, [(4-fluorophenyl)(1-methylethyl)amino]oxo-acetic acid and [N-(4-fluorophenyl) -N- (1-methylethyl) acetamide]-2-sulfinylacetic acid, in agricultural products. The compounds were extracted from samples with methanol. The crude extracts were purified using Bond Elut C18 and InertSep GC/PSA, then determined by LC-MS/MS. The average recoveries (n = 5) from 4 kinds of agricultural products (wheat, soybean, potato and tomato) spiked at the level of the MRLs or the uniform limits (0.01 mu g/g) were 70.6-97.0%, and the relative standard deviations were less than 5%. The lower limits of quantitation of flufenacet and its metabolites were 0.01 mu g/g.

引用

页码：1 / 6

页数：6

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