Table 4. Comparison of mean Surface Irregularity values between different extracts at 96-day time interval using one-way ANOVA test followed by Tukey's post-hoc analysis.
| Test samples | N | Mean | SD | Min | Max | p -Value | Sig. Diff | p -Value |
|---|---|---|---|---|---|---|---|---|
| Orange juice | 10 | 1.00 | 0.47 | 0 | 2 | <0.001 a | E1 vs. E2, 4, 5, 7, and 8 | <0.001 a |
| Pineapple juice | 10 | 2.80 | 0.42 | 2 | 3 | E2 vs. E3, 4, 5, 6, and 9 | <0.001 a | |
| Lemon juice | 10 | 1.00 | 0.00 | 1 | 1 | E3 vs. E4, 5, 7, and 8 | <0.001 a | |
| Coca-Cola | 10 | 2.00 | 0.00 | 2 | 2 | E4 vs. E6, 7, 8, and 9 | <0.001 a | |
| Mountain Dew | 10 | 2.00 | 0.00 | 2 | 2 | E5 vs. E6, 7, 8, and 9 | <0.001 a | |
| Red Bull | 10 | 1.00 | 0.00 | 1 | 1 | E6 vs. E7 and 8 | <0.001 a | |
| Vinegar | 10 | 3.00 | 0.00 | 3 | 3 | E7 vs. E9 | <0.001 a | |
| Apple cider | 10 | 3.00 | 0.00 | 3 | 3 | E8 vs. E9 | <0.001 a | |
| Tomato ketchup | 10 | 0.90 | 0.32 | 0 | 1 | – | – |
Abbreviations: ANOVA, analysis of variance; E, extract; Max, maximum; Min, minimum; SD, standard deviation, Sig. Diff., significant difference.