| |
FFA (%) |
P1 |
| Test |
Control |
|
Exposure time (h) |
0 |
3.500 ± 0.200 |
3.500 ± 0.200 |
ns |
| 1 |
3.500 ± 0.200 |
3.500 ± 0.200 |
ns |
| 2 |
3.500 ± 0.200 |
3.500 ± 0.200 |
ns |
| 3 |
3.503 ± 0.205 |
3.500 ± 0.200 |
ns |
| 5 |
3.503 ± 0.205 |
3.507 ± 0.200 |
ns |
| 7 |
3.510 ± 0.200 |
3.517 ± 0.220 |
ns |
| 9 |
3.513 ± 0.200 |
3.520 ± 0.220 |
ns |
| 12 |
3.520 ± 0.201 |
3.523 ± 0.225 |
ns |
| 14 |
3.540 ± 0.200 |
3.533 ± 0.215 |
ns |
| P2 |
ns |
ns |
|
The values are given as mean ± standard deviation
1Comparison of FFA between essay and control at the same exposure time
2Comparison of FFA between different exposure time
ns: No significant difference at P<0.05 |
