Determination of the Change of OTA in Luzhou-flavor Liquor Production by Enzyme-linked Immunosorbent Assay (ELISA)
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Abstract:
In this study, Ochratoxin A (OTA) in Luzhou Daqu, pit entry fermented grains, waste lees, yellow water, base liquor, wine products were detected with ELISA kit. The results showed that the detection sensitivity, the relative standard deviation (RSD) in 5 parallel determinations and the average spike recovery rate were 0.3μg/kg,1.497~3.369% and 96.4%, respectively. OTA content of all samples were well below the domestic and overseas food industry standards, indicating that the preliminary results indicate that OTA in Luzhou-flavor liquor production was safe.
