Occurrence of ochratoxin A in Rioja Alavesa wines

Silvia Quintela; M. Carmen Villarán; Iratxe López De Armentia; Edurne Elejalde

doi:10.1016/j.foodchem.2010.09.096

Occurrence of ochratoxin A in Rioja Alavesa wines

Silvia Quintela, M. Carmen Villarán, Iratxe López De Armentia, Edurne Elejalde

Healthy food

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32 Citations (Scopus)

Abstract

In this survey the influence of the geographical location and the kind of wine in the concentration of ochratoxin A (OTA) was studied. Forty percent of the Spanish wine market belongs to the Rioja Qualified Designation of Origen (DOCa Rioja) wines, which are already worldwide known. A total of 100 wines from the Rioja Alavesa (RA) production area of the DOCa Rioja were analysed, using immunoaffinity column clean-up and high-performance liquid-chromatography with fluorimetric detection (detection limit 0.002 μg/l). The presence of OTA was greater in wines produced in low rainfall and high temperature regions. The geographical location and kind of wine did not seem to have influence on the OTA concentration. The mean OTA concentration of RA wines was 0.035 μg/l and its contribution to mean daily OTA intake could be considered negligible, representing a 0.07% of the latest tolerable weekly intake (TWI) established in 2006 by EFSA.

Original language	English
Pages (from-to)	302-305
Number of pages	4
Journal	Food Chemistry
Volume	126
Issue number	1
DOIs	https://doi.org/10.1016/j.foodchem.2010.09.096
Publication status	Published - 1 May 2011

Keywords

Daily intake
HPLC-fluorimetric
Immunoaffinity column
Ochratoxin A
Rioja Alavesa
Wine

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10.1016/j.foodchem.2010.09.096

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title = "Occurrence of ochratoxin A in Rioja Alavesa wines",

abstract = "In this survey the influence of the geographical location and the kind of wine in the concentration of ochratoxin A (OTA) was studied. Forty percent of the Spanish wine market belongs to the Rioja Qualified Designation of Origen (DOCa Rioja) wines, which are already worldwide known. A total of 100 wines from the Rioja Alavesa (RA) production area of the DOCa Rioja were analysed, using immunoaffinity column clean-up and high-performance liquid-chromatography with fluorimetric detection (detection limit 0.002 μg/l). The presence of OTA was greater in wines produced in low rainfall and high temperature regions. The geographical location and kind of wine did not seem to have influence on the OTA concentration. The mean OTA concentration of RA wines was 0.035 μg/l and its contribution to mean daily OTA intake could be considered negligible, representing a 0.07% of the latest tolerable weekly intake (TWI) established in 2006 by EFSA.",

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AU - Armentia, Iratxe López De

AU - Elejalde, Edurne

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Occurrence of ochratoxin A in Rioja Alavesa wines

Abstract

Keywords

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