Table 1.
Samples, analysis and microbiological counts.
| Sample | Lot/date | Analysis | TMC (CFU/ml) | Bacilli (CFU/ml) | Aerobic spores (CFU/ml) | Pseudomonas (CFU/ml) |
|---|---|---|---|---|---|---|
| Pasteurized whey | 1PW (10/2013) | M | 1.25E+06 | 3.6E+04 | 1.02E+03 | nd |
| 2PW (10/2013) | M | 9.80E+06 | 1.35E+06 | 2.72E+02 | nd | |
| 3PW (12/2013) | MS | 7.80E+07 | 4.20E+07 | 1.20E+03 | nd | |
| 4PW (12/2013) | MS | 2.10E+06 | 3.00E+06 | 3.29E+04 | nd | |
| 5PW (02/2014) | M+NGS (RNA) | 4.81E+06 | nd | 6.36E+03 | 5.21E+04 | |
| 6PW (02/2014) | M+NGS (RNA) | 8.36E+06 | nd | 1.85E+04 | 2.11E+07 | |
| 7PW (07/2014) | M+NGS (RNA) | 3.20E+07 | nd | 4.84E+04 | 5.45E+06 | |
| 8PW (07/2014) | M+NGS (RNA) | 1.31E+08 | nd | 4.18E+05 | 8.73E+07 | |
| Frozen pasteurized whey (Summer 2013) | 1PWF | NGS (DNA)+GC | – | – | – | – |
| 2PWF | NGS (DNA) | – | – | – | – | |
| 3PWF | NGS (DNA)+GC | – | – | – | – | |
| 4PWF | NGS (DNA)+GC | – | – | – | – | |
| 5PWFnc | NGS (DNA)+GC | – | – | – | – | |
| 6PWFnc | NGS (DNA)+GC | – | – | – | – | |
| 7PWFnc | NGS (DNA)+GC | – | – | – | – | |
| 8PWFnc | NGS (DNA) | – | – | – | – | |
| 9PWFnc | NGS (DNA) | – | – | – | – |
M, Microbiological counts; MS, Microbiological counts +Sanger sequencing on isolated colonies; NGS, Next Generation Sequencing (rRNA 16S gene library); GC, Gas chromatography; nd, not determinate.