Table 2.
Descriptive analysis (mean and standard deviation) of groups according to CIEL*a*b* components before and after experiment
| groups | ΔE* mean (s.d.) | ΔL* mean (s.d.) | Δa* mean (s.d.) | Δb*mean (s.d.) |
| distilled water | 17.1 (0.1841) | 17.0 (0) | -5.2 (1,134) | 0.3 (0.8179) |
| Coca-Cola® | 17.2 (0.4372) | 17.4 (0) | -1.7 (2,107) | 1.5 (1,029) |
| tomato sauce | 17.2 (0.3464) | 17.2 (0) | -3.2 (1,084) | 9.4 (0.766) |
| açaí | 20 (1,359) | 19.4 (1,525) | -2.7 (1,208) | 11.9 (0.5846) |
| green tea | 21.9(0.3169) | 28.8 (0.3062) | -3.8 (1,074) | 17.6 (0.3653) |
| black tea | 26.2(1,554) | 26.5 (1,297) | 3.5 (0.6464) | 12.7 (9,001) |
| coffee | 33.7 (0.7445) | 33.4 (0.2271) | 6.1 (0.4668) | 44.8 (0.6022) |
| wine | 31.4 (0.6499) | 31.5 (1,147) | 5.9 (4,241) | 43.9 (2,142) |
s.d.= standard deviation