Table 1.
Changes in the color of the wine during the ozonation process.
| Ozonation Time | Color CIE | ||
|---|---|---|---|
| L* 100 White; 0 Black |
a* Redness |
b* Yellow |
|
| control—0 | 32.9 a* | 58.4 m | 27.5 l |
| 1 | 33.0 a | 58.3 lm | 27.5 l |
| 2 | 33.2 a | 57.9 lm | 27.6 l |
| 3 | 34.5 a | 57.3 lm | 27.4 kl |
| 4 | 35.1 ab | 55.2 kl | 27.1 jkl |
| 5 | 35.7 abc | 53.1 k | 27.0 jkl |
| 6 | 37.9 bcd | 48.4 j | 26.8 jkl |
| 7 | 38.3 cde | 45.0 i | 26.3 hijkl |
| 8 | 39.5 def | 43.8 hi | 26.0 hijk |
| 9 | 41.4 fg | 40.9 gh | 25.7 ghij |
| 10 | 44.0 g | 39.1 fg | 25.2 fghi |
| 11 | 48.2 h | 38.4 efg | 24.8 efgh |
| 12 | 50.7 hi | 37.5 def | 24.4 efg |
| 13 | 52.6 ij | 36.6 def | 23.9 ef |
| 14 | 53.9 j | 35.7 de | 23.4 e |
| 15 | 56.6 j | 34.3 d | 22.8 d |
| 30 | 62.5 k | 29.8 c | 17.6 c |
| 45 | 69.8 l | 22.5 b | 12.0 b |
| 60 | 73.6 m | 14.7 a | 6.4 a |
* Means followed by the same letter in columns do not differ significantly at p = 0.05 according to Tukey multiple range.