Oil solution |
|
Ethanol | 200 ml |
Palmitic acid (PA) | 10 g |
Grape polyphenol (GP) | 2.5 g |
Surfactant (POEL) | 1.0 g |
HLB of POEL | 6.3: POEL(1), 9.6: POEL(2), 11.3: POEL(3) |
Spray drying |
|
Feed velocity | 0.6 m3/min |
Spraying pressure | P = 0.5, 1.0, 1.5, 2.0 kgf/cm2 |
Inlet temperature | Tin = 80, 100, 120, 140˚C |