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