Table 3.
Physical and chemical properties of the black cherry powder colorant obtained with the optimized parameters of spray drying
| Parameter | Mean (Standard deviation) |
|---|---|
| Humidity (% w/w) | 5.65 (0.03) |
| Dissolution time (s) | 55 (1) |
| Angle of repose (º) | 46 (2) |
| Powder fluidity (%) | 44 (2) |
| Cohesiveness | 1.73 (0.19) |
| Bulk density (g/mL) | 0.2389 (0.0008) |
| Compacted density (g/mL) | 0.411 (0.004) |
| Particle density (g/mL) | 0.63 (0.01) |
| Hygroscopicity (g/100 g b.s.)* | 25.2 (0.5) |
* Determined at 504 h