Number of eggs spiked | Romaine lettuce | Strawberries |
---|
Positive/Total | Mean Cqa | Positive/Total | Mean Cqb |
---|
500 | 30/30 | 26.49 | nd | na |
100 | 16/16 | 29.09 | 14/18c | 28.09 |
50 | 15/15 | 29.95 | 1/1 | 30.09 |
10 | 12/12 | 34.05 | 9/9 | 32.36 |
5 | 21/21 | 34.2 | 10/10 | 32.8 |
0 | 0/9 | na | 0/8 | na |
- aGlycine and 0.1% Alconox only
- b0.1% Alconox only
- c3 of 6 samples washed with glycine and 1 of 6 samples washed with sodium pyrophosphate were falsely negative
- Notes: All lower spikes for strawberries were washed with 0.1% Alconox
- Abbreviations: Cq, quantification cycle; nd, not done; na, not applicable