| sample | DNA concentration /(ng/μL) | A260/A280 |
| L1 | 12.7 | 1.75 |
| X1 | 15.1 | 2.09 |
| M1 | 18.7 | 1.98 |
| M2 | 12.7 | 1.82 |
| M3 | 18.1 | 1.99 |
| M4 | 15.1 | 1.86 |
| M5 | 15.3 | 1.78 |
| M6 | 17.8 | 2.18 |