Apples 4 Blanching 4 Food processing 4 Fruits 4 Glucose 4 Glucose impregnation 4 glucose impregnation 4 Air drying 2 Apple 2 Cell membranes 2 Cells 2 Dewatering 2 Diffusion 2 Drying 2 Falling rate period 2 Glucose infusion 2 Heat treatment 2 Immersion 2 Impregnation 2 Mass transfer 2 Mathematical models 2 Microscopic examination 2 Moisture 2 Moisture transfer 2 Osmosis 2 Process variables 2 Shrinkage 2 Solid gain 2 Structural changes 2 Structure (composition) 2