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Detection of hazelnuts and almonds using commercial ELISA test kits

Detection of hazelnuts and almonds using commercial ELISA test kits,10.1007/s00216-009-3424-2,Analytical and Bioanalytical Chemistry,Eric A. E. Garber

Detection of hazelnuts and almonds using commercial ELISA test kits   (Citations: 2)
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Three commercial sandwich enzyme-linked immunosorbent assay (ELISA) test kits for the detection of hazelnuts and almonds were evaluated. Limits of detection and dynamic ranges were determined for hazelnuts and almonds spiked into cooked oatmeal, dipping chocolate, and muffins (baked). The limit of detection values varied from 1 to 38 μg/g, depending on the food matrix and ELISA test kit. Percent recoveries based on the standards supplied with the test kits varied from 10% to 170%. It is impossible to ascertain whether the percent recoveries reflect the performance of the ELISAs or differences between the protein content of the nuts used to spike the samples and the test kit standards. Unfortunately, reference materials do not exist that can be used to compare the results from different test kits and standardize the test kit standards. Also, insufficient knowledge regarding the epitope specificity of the antibodies used in the ELISAs further hinders interpretation of the results generated by the different test kits. Figure Almonds and hazelnuts
Journal: Analytical and Bioanalytical Chemistry - ANAL BIOANAL CHEM , vol. 396, no. 5, pp. 1939-1945, 2010
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