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- Title
Microencapsulation using Spray-drying: The Use of Fine Starch Solution for the Wall Material.
- Authors
Tetsuya USHIYAMA; Naoto SHIMIZU
- Abstract
A fine waxy rice starch solution was spray-dried as a wall material for microencapsulation. For this process, the primary solution of mixed core and wall materials needs a low viscosity. Low molecular weight polysaccharides have been commonly used as the wall material. In the present study, a starch solution prepared hydrothermal process at 100 °C and fine starch solutions prepared by compressed hot water process at 140, 160, and 180°C were investigated. The compressed hot water process reduced the viscosity of the fine starch solution and its particle size to produce a uniformly fine spray-dried powder. Finally, inulin hydrolysate including difructose anhydrides (DFAs) were microencapsulated by spray-drying. Previously, preparing inulin hydrolysate powder through spray-drying and freeze-drying has been difficult because it adheres to the inside surface of the drying chamber. Microencapsulation of inulin hydrolysate using a 160°C fine starch solution as the wall material produced powder efficiently and enhanced its handling properties.
- Publication
Food Science & Technology Research, 2018, Vol 24, Issue 4, p653
- ISSN
1344-6606
- Publication type
Article
- DOI
10.3136/fstr.24.653