Compound(s) | Change in pH with time | |||||||
---|---|---|---|---|---|---|---|---|
0Â month | 1Â month | 2Â month | 3Â month | 4Â month | 5Â month | 6Â month | ||
Compound 1 | # | 5.8 ± 0.45a | 6.0 ± 0.50b | 5.9 ± 0.04c | 5.7 ± 0.21d | 5.8 ± 0.34e | 5.9 ± 0.02f | 5.8 ± 0.44 g |
@ | 5.6 ± 0.23a | 5.9 ± 0.44b | 5.7 ± 0.44c | 5.8 ± 0.23d | 5.7 ± 0.39e | 5.8 ± 0.29f | 6.0 ± 0.43 g | |
Sodium benzoate | # | 5.6 ± 0.23 | 6.9 ± 0.44 | 5.7 ± 0.44 | 5.8 ± 0.23 | 6.7 ± 0.39 | 6.8 ± 0.29 | 7.0 ± 0.43 |
@ | 5.7 ± 0.55 | 5.6 ± 0.89 | 5.6 ± 0.34 | 5.6 ± 0.46 | 6.0 ± 0.59 | 6.0 ± 0.93 | 5.6 ± 0.18 | |
Propyl paraben | # | 5.8 ± 0.07 | 5.7 ± 0.67 | 5.6 ± 0.67 | 5.7 ± 0.79 | 5.8 ± 0.35 | 5.9 ± 0.59 | 5.8 ± 0.28 |
@ | 5.9 ± 0.56 | 5.6 ± 0.98 | 6.0 ± 0.89 | 5.8 ± 0.19 | 5.6 ± 0.18 | 5.5 ± 0.78 | 5.7 ± 0.82 | |
Ethyl paraben | # | 5.6 ± 0.23 | 6.9 ± 0.44 | 5.7 ± 0.44 | 5.8 ± 0.23 | 6.7 ± 0.39 | 6.8 ± 0.29 | 7.0 ± 0.43 |
@ | 5.7 ± 0.55 | 5.6 ± 0.89 | 5.6 ± 0.34 | 5.6 ± 0.46 | 6.0 ± 0.59 | 6.0 ± 0.93 | 5.6 ± 0.18 |