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With the roller coaster weather seen this year the presence of mycotoxins on corn, grains and forages is a risk. Two of the most common mycotoxin-producing fungi, Fusarium and Aspergillus, in particular are already being seen in different areas of the U.S.

Cool, wet weather like what was seen this spring favors the growth of Fusarium sp. that can produce deoxynivalenol (vomitoxin), zearalenone and T-2 toxins.  Affected crops include corn and other small grains and forages.  Other fungal pathogens such as Diplodia ear rot are also being seen, but this fungus does not produce mycotoxins.

Late summer brought more hot and dry weather, including severe drought conditions in the south.  This hot, dry weather also favors Fusarium sp. that can produce the group of mycotoxins fumonisins as well as Aspergillus, which produces aflatoxins, a group of particularly potent carcinogens. 

Increasingly export destinations may require for the presence of specific toxins to be tested.  In particular this fall, China has increased requirements for ochratoxin A and zearalenone testing prior to shipment to China.  Ochratoxin is produced by Aspergillus and often appears with aflatoxin.  Zearalenone is produced by Fusarium and is often found with Vomitoxin.

FDA has no levels established for either ochratoxin A or zearalenone.  Aflatoxins, fumonisins and vomitoxin all have FDA levels (action, advisory, or guidance) set for grain and feed levels.

SGS provides testing for all of the mycotoxins discussed above utilizing both USDA-GIPSA validated ELISA (Enzyme Linked Immunosorbant Assay) testing methods and LC MSMS (Liquid Chromatography with tandem Mass Spectrophotometry), depending on the level of detection and quantification needed.

When you need to be sure contact SGS.
Angela Carlson
Analytical Lab Manager
SGS Analytical Services
241 34th Ave Brookings,SD 57006
t:605-692-7611 Ext: 5
Email

The SGS Group is the global leader and innovator in inspection, verification, testing and certification services. Founded in 1878, SGS is recognized as the global benchmark in quality and integrity. With 59,000 employees, SGS operates a network of over 1,000 offices and laboratories around the world.