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Publication type: Journal Article
Document type: Full Paper

Year: 2010

Author(s): Reiter, EV; Vouk, F; Böhm, J; Razzazi-Fazeli, E

Title: Aflatoxins in rice - A limited survey of products marketed in Austria.

Source: Food Control (21), 7 988-991.



Authors Vetmeduni Vienna:

Böhm Josef
Razzazi-Fazeli Ebrahim
Reiter Elisabeth

Vetmed Research Units
Institute of Animal Nutrition and Functional Plant Compounds
VetCore


Abstract:
Eighty-one rice samples were purchased from different markets in Vienna and were analysed for their aflatoxin content. The samples were extracted using methanol in water (80/20 v/v) followed by immuno-affinity clean up. The determination was carried out by HPLC-FLD coupled to a Kobracell. Different samples including basmati rice, whole grain rice, long grain rice, short grain rice as well as puffed rice were investigated. Moreover, conventionally and organically produced rice were compared. The results revealed that 24 out of 81 samples contained detectable amounts of aflatoxins. Aflatoxin B-1 could be quantified in 15 samples and aflatoxin B-2 in one sample. The contamination range was noted to be between 0.45 mu g kg(-1) and 9.86 mu g kg(-1) for aflatoxin B-1 and 1.5 mu g kg(-1) for aflatoxin B-2. Aflatoxins G(1) and G(2) were not detected in any sample. Three samples exceeded the maximum levels set in the European Union; having AFB(1) concentrations of 2.16, 2.85 and 9.86 mu g kg(-1). In the three organic produced rice samples only traces of aflatoxins were found. (C) 2010 Elsevier Ltd. All rights reserved.


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