Table 2.
Spray drying yield process, and kinematic viscosity, moisture content, water activity, bulk density, water solubility index, water absorption rate and swelling capacity properties of microcapsules obtained by spray drying using different encapsulating agents
| Treatment | Encapsulating agents | Spray drying yield (%) |
Kinematic viscosity (mPa s) |
Moisture content (%, w.b.) |
Water activity | Bulk density (g cm−3) |
Water solubility index (%) |
Water absorption rate (g g−1) |
Swelling capacity (g g−1) |
|---|---|---|---|---|---|---|---|---|---|
| T1 | MD–GA | 64.39 ± 1.07a | 3.90 ± 0.23b | 3.72 ± 0.22ab | 0.26 ± 0.01b | 0.23 ± 0.02a | 86.11 ± 6.24ab | 0.26 ± 0.05b | 0.009 ± 0.007ab |
| T2 | MD–GC | 46.71 ± 5.70c | 42.99 ± 2.49a | 3.01 ± 0.68b | 0.39 ± 0.01a | 0.26 ± 0.2a | 82.15 ± 0.78b | 0.90 ± 0.05a | 0.004 ± 0.0008b |
| T3 | MD–CSP | 51.13 ± 3.03bc | 38.71 ± 2.90a | 4.31 ± 0.41a | 0.31 ± 0.04ab | 0.24 ± 0.02a | 84.25 ± 3.05ab | 0.66 ± 0.16a | 0.005 ± 0.001ab |
| T4 | MD–PC | 61.74 ± 4.10ab | 3.06 ± 0.03b | 3.71 ± 0.44ab | 0.25 ± 0.02b | 0.21 ± 0.02a | 84.70 ± 2.33ab | 0.58 ± 0.08ab | 0.005 ± 0.001ab |
| T5 | MD–SP | 60.67 ± 2.96ab | 4.73 ± 1.36b | 3.94 ± 0.35ab | 0.29 ± 0.004b | 0.22 ± 0.01a | 86.54 ± 4.14ab | 0.70 ± 0.32a | 0.006 ± 0.002ab |
| T6 | MD | 62.43 ± 1.53ab | 3.08 ± 0.03b | 3.15 ± 0.14b | 0.25 ± 0.004b | 0.23 ± 0.01a | 91.98 ± 1.24a | 0.25 ± 0.04b | 0.01 ± 0.001a |
| LSD | 12.85 | 6.61 | 0.93 | 0.088 | 0.049 | 7.84 | 0.35 | 0.007 |
MD maltodextrin, GA gum Arabic, SP soy protein, CSP cocoa shell pectin, PC protein Cajanus cajan seeds, GC gum Cajanus cajan seeds