The use of high‐performance liquid chromatography to detect ochratoxin A in dried figs from the Spanish market

Miguel Ángel Pavón Moreno, Isabel González, Silvia de la Cruz, Rosario Martín, Teresa García Lacarra

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

BACKGROUND: Detection and quantification of ochratoxin A (OTA) in dried fig samples purchased in Spain has been carried out using high‐performance liquid chromatography with fluorescence detection after extraction with methanol and sodium bicarbonate, and clean‐up by using an immunoaffinity column. RESULTS: The detection limit of the method was 0.06 ng g−1, and the limit of quantification 0.18 ng g−1. OTA was detected in 31 (88.6%) out of 35 samples of dried figs analysed, with concentrations that ranged from <0.1 to 277 ng g−1. However, only three samples contained OTA concentrations above the tolerable level set by European Commission regulations for dried vine fruits (10 ng g−1). CONCLUSION: The results of this survey show the value of monitoring OTA in dried figs especially if they are home grown. Copyright © 2011 Society of Chemical Industry
Original languageEnglish
JournalJournal of the Science of Food and Agriculture
Volume92
Issue number1
Pages (from-to)74-77
ISSN0022-5142
DOIs
Publication statusPublished - 2012
Externally publishedYes

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