Table 2.
Extracts with higher anthocyanin content (polymeric, density, and CIELAB parameters of color).
| Solvents | Polymeric Color | Color Density | % Polymeric Color | L* | a* | b* | C* | H° |
|---|---|---|---|---|---|---|---|---|
| La-Gly 1:2 | 0.5 ± 0.1 c | 2.3 ± 0.4 a | 25.5 ± 0.0 e | 19.4 ± 2.0 c | 19.7 ± 3.7 a | 7.3 ± 0.2 b,c | 21.0 ± 3.4 a | 20.6 ± 4.2 b |
| Ta-Gly 1:4 | 1.0 ± 0.1 b | 3.6 ± 1.4 a | 28.4 ± 0.1 c | 18.8 ± 0.1 c | 18.1 ± 0.4 a | 7.9 ± 4.2 a,b | 19.9 ± 2.1 a,b | 22.9 ± 10.6 b |
| La-Glu 8:1 | 1.4 ± 0.4 a | 4.9 ± 0.9 a | 29.4 ± 0.0 c | 21.5 ± 0.3 c | 21.1 ± 1.4 a | 5.6 ± 2.5 b,c | 20.4 ± 1.5 a | 15.9 ± 6.2 c |
| Gly-Glu 8:1 | 1.7 ± 1.5 a | 3.0 ± 1.5 a | 55.2 ± 0.2 a | 23.9 ± 1.9 b | 8.9 ± 0.1 c | 2.1 ± 1.6 c | 9.2 ± 0.4 c | 13.3 ± 9.8 c |
| ClC-Ca 5:4 | 0.7 ± 0.2 c | 2.4 ± 1.0 a | 31.1 ± 0.1 c | 19.4 ± 0.3 c | 22.8 ± 0.0 a | 10.5 ± 2.9 a | 25.2 ± 1.2 a | 24.6 ± 5.8 b |
| ClC-Gly 4:6 | 0.8 ± 0.3 c | 1.9 ± 1.2 a | 40.0 ± 0.1 b | 27.5 ± 0.5 a | 7.1 ± 0.6 c | 8.9 ± 3.4 a,b | 11.5 ± 3.0 c | 50.6 ± 8.1 a |
| Ethanol | 0.6 ± 0.1 c | 2.2±0.9 a | 27.2 ± 0.1 d | 26.6± 0.3 a | 13.9 ± 0.1 b | 13.8 ± 1.5 a | 19.6 ± 1.6 a,b | 44.5 ± 5.1 a |
Different letters in columns indicate significant differences (Tukey’s HSD, p < 0.05). L*, luminosity; a*, reddish and green tones; b*, blue and yellowish tones; C*, chromaticity; H°, hue angle. All parameters are dimensionless.