FICK'S MODEL STRESS AT RUPTURE SOLID´S GAIN FICK'S SECOND LAW PARTITION COEFFICIENT TILAPIA FILLETS PAGE'S MODEL SUCROSE RESPONSE SURFACE MULTICOMPONENT SALT SOLUTION CONCENTRATION TEMPERATURE WATER LOSS SUCROSE SOLUTIONS PHENOLIC COMPOUNDS DRYING KINETIC PULSED VACUUM RESPONSE SURFACE METHOLODOGY VACUUM DRYING HTST PROCESS OSMOSIS DRYING MODELLING CHLOROPHYLLS DEHIDRATION IMPREGNATION SOAKING INULIN EXTRACTION CONSTANT RATE PERIOD RUBUS SPP. LEAVES WATER ACTIVITY FRACTIONAL FACTORIAL DESIGN HYDRODINAMIC MODEL DIFFUSION ACTIVATION ENERGY ETHANOL PRETREATMENT SALT CONCENTRATION MASS TRANFER EMPIRICAL MODELS FALLING RATE PERIOD SOLID GAIN VELOCITY