Table 1.
Conc. (mg/mL) | pH (before incubation) | pH (after incubation) |
---|---|---|
Control | 7.24 ± 0.06 | 5.37 ± 0.01 |
0.01 | 7.26 ± 0.06 | 5.42 ± 0.02∗ |
0.02 | 7.25 ± 0.00 | 5.62 ± 0.02∗ |
0.03 | 7.25 ± 0.00 | 6.55 ± 0.03∗ |
0.04 | 7.25 ± 0.00 | 7.23 ± 0.02∗ |
0.1% NaF | 7.30 ± 0.06 | 7.29 ± 0.00∗ |
∗ p < 0.05 when compared with the control group after incubation.