期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1025, 期 2, 页码 163-168出版社
ELSEVIER
DOI: 10.1016/j.chroma.2003.10.113
关键词
wine; liquid-phase microextraction; mycotoxins; ochratoxin A
A liquid-liquid microextraction technique (LPME) has been applied to the extraction of ochratoxin A (OTA) from wine prior to its quantification by HPLC-fluorescence detection. OTA was extracted from wine, through l-octanol immobilized in the pores of a porous hollow fiber, and introduced into l-octanol inside the fiber. Recovery was 77%. The method was adequate for quantification of OTA in wine at levels within the range 0.25-10 ng/ml with a LOD of 0.2 ng/ml, and can be a simple and inexpensive alternative to the use of innumoaffinity columns in order to quantify OTA levels in wine. (C) 2003 Elsevier B.V. All rights reserved.
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