Table 3.
List of samples that tested positive for one or more GM elements
| Sample | Extraction method | 35S | NOS | Bar | FMW |
| Maize feed | Foodproof | 32.49 ± 0.15 | 32.74 ± 0.20 | ND | ND |
| GeneSpin | 32.44 ± 0.25 | 34.52 ± 0.44 | ND | ND | |
| Wizard | 31.98 ± 0.25* | 30.72 ± 0.11 | ND | ND | |
| DNeasy | 30.75 ± 0.34* | 32.30 ± 0.26* | ND | ND | |
| CTAB | 31.12 ± 0.32 | 31.30 ± 0.71 | ND | ND | |
| Maize starch1 | Foodproof | 32.98 ± 0.55 | 33.05 ± 0.23 | ND | ND |
| GeneSpin | 38.00 ± 0.36* | 35.94 ± 0.42* | ND | ND | |
| Wizard | 32.88 ± 0.31* | 30.97 ± 0.13 | ND | ND | |
| DNeasy | 30.58 ± 0.47* | 29.43 ± 0.17 | ND | ND | |
| CTAB | 30.95 ± 0.43* | 28.91 ± 0.34 | ND | ND | |
| Maize starch2 | Foodproof | ND | 27.44 ± 0.31* | ND | ND |
| GeneSpin | ND | 30.32 ± 0.30* | ND | ND | |
| Wizard | ND | 24.40 ± 0.15 | ND | ND | |
| DNeasy | ND | 28.63 ± 0.86 | ND | ND | |
| CTAB | ND | 30.18 ± 0.29 | ND | ND | |
| Diet breakfast cereal | Foodproof | ND | 28.36 ± 0.32* | ND | ND |
| GeneSpin | ND | 28.99 ± 0.22 | ND | ND | |
| Wizard | ND | 27.87 ± 0.14 | ND | ND | |
| DNeasy | ND | 27.30 ± 0.15 | ND | ND | |
| CTAB | ND | 29.46 ± 0.23 | ND | ND |
For positive amplification signals, the mean Ct values and standard deviation are indicated
* no positive signals obtained at least for one of six replicates
ND no amplification detected