Table 4.
Effects of apple polyphenol (AP) on water content and trans-epidermal water loss (TEWL) in facial skin.
| Parameters | Groups | Intervention Period (Weeks) | |||
|---|---|---|---|---|---|
| 0 | 4 | 8 | 12 | ||
| Water content (AU) | Placebo | 85.3 ± 20.6 | 89.6 ± 16.6 | 88.0 ± 16.9 | 92.0 ± 16.8 |
| Low AP | 88.6 ± 18.6 | 92.8 ± 16.6 | 91.8 ± 22.5 | 92.2 ± 15.8 | |
| High AP | 80.9 ± 14.3 | 86.7 ± 14.6 | 88.3 ± 13.9 | 91.3 ± 12.3 | |
| TEWL (g/h m2) | Placebo | 14.9 ± 5.1 | 14.6 ± 5.3 | 15.1 ± 6.2 | 13.6 ± 3.7 |
| Low AP | 15.8 ± 5.9 | 17.0 ± 6.9 | 15.9 ± 7.5 | 15.4 ± 7.6 | |
| High AP | 16.1 ± 5.6 | 16.2 ± 4.1 | 14.5 ± 4.3 | 14.8 ± 6.4 | |
Values are means ± standard deviation.