Determination of daminozide in apples and apple leaves by liquid chromatography mass spectrometry

被引:33
作者
Mol, HGJ [1 ]
van Dam, RCJ [1 ]
Vreeken, RJ [1 ]
Steijger, OM [1 ]
机构
[1] TNO, Nutr & Food Res Inst, Analyt Sci Div, Dept Pesticides, NL-3700 AJ Zeist, Netherlands
关键词
apples; fruits; food analysis; daminozide;
D O I
10.1016/S0021-9673(98)00915-7
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A straightforward and efficient method was developed for the determination of intact daminozide in apples and apple leaves. After extraction with methanol and a clean-up step using a graphitized carbon cartridge, the extract was analysed by ion-trap liquid chromatography-tandem mass spectrometry (LC-MS-MS) using atmospheric pressure chemical ionisation in the positive ion mode. Recoveries for apple were 98-102% with a R.S.D.less than or equal to 11% (n = 6) and for leaves were 112-116% with a R.S.D.less than or equal to 18% (n = 6). The limits of detection were 0.008 and 0.02 mg/kg for apples and leaves, respectively. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:53 / 60
页数:8
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