Table 5 Validation of the lateral flow immunoassay to determine SP residues as the sum of SP + SP-enol in wine samples (n = 20).
White wines | Red wines | |||
|---|---|---|---|---|
STC | 1/2 STC | STC | 1/2 STC | |
Average T/C | 0.3 | 2.0 | 0.4 | 1.5 |
CV (%) | 45.7 | 17.0 | 22.0 | 16.0 |
Cut-off (5% negative results) | 0.5 | 2.8 | 0.5 | 1.9 |
False suspect (%) from blank | 1.7 | 3.1 | 1.9 | 4.1 |
False suspect (%) from 1/2 STC | 0.01 | – | 0.03 | – |
False negative (%) from STC | – | 0.00 | – | 0.00 |