Four crops added to mycotoxin test kit list
USDA and GIPSA approved the use of the Charm Sciences ROSA ® Zearalenone
(Quantitative) to test sorghum, milled rice, wheat, and distillers dried grains
with solubles. It was first only allowed to test the mycotoxin Zearalenone in
The ROSA Zearalanone test is the only test to be approved for official
testing of Zearalenone in the US national grain inspection system. It meets the
accuracy specifications for the listed commodities spiked at 250 and 1000 ppb."
In addition, the "30 ppb limit of detection was also met for all listed
How it works
Charm's ROSA (Rapid One
Step Assay) Zearalenone test procedure includes a sample extraction and 10
minute incubation. A test strip is then inserted into a digital ROSA-M strip
reader. Quantitative results are displayed and recorded on the reader (with
automatic printing and download options). Other ROSA tests include the 3 minute
Aflatoxin P/N, the 3 minute DON P/N, the 10 minute ROSA Aflatoxin Quantitative,
which have already received approval from USDA GIPSA. A 10 minute quantitative
test for DON and fumonisin were recently added to the ROSA mycotoxin family. All
ROSA mycotoxin tests can be run on the same equipment.
Zearalenone can appear in pre-harvest corn, wheat, rice or
maize by several species of Fusarium, e.g., F. graminearum. Swine are
particularly susceptible to the presence of Zearalenone in feedstuffs as it is
an estrogenic mycotoxin, which can cause infertility, or other breeding
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