Ochratoxin A is a one of the most abundant food-contaminating mycotoxin produced by Aspergillus ochraceus, Aspergillus carbonarius and Penicillium verrucosum. It is also a common contaminant of water-damaged houses and of heating ducts.
For several weeks at 4°C with addition of 0.03% sodium azide. For long time storage, aliquot and store product at -20°C. Avoid cycles of freezing and thawing. Expiration date is three years from the date of shippment if antibody is stored properly.