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Microencapsulation using spray-drying : The use of fine starch solution for the wall material

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Title: Microencapsulation using spray-drying : The use of fine starch solution for the wall material
Authors: Ushiyama, Tetsuya Browse this author
Shimizu, Naoto Browse this author
Keywords: viscosity
compressed hot water
particle size
crystallinity index
difructose anhydrides (DFAs)
Issue Date: 20-Jul-2018
Publisher: 日本食品科学工学会
Journal Title: Food Science and Technology Research
Volume: 24
Issue: 4
Start Page: 653
End Page: 659
Publisher DOI: 10.3136/fstr.24.653
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. A starch solution prepared hydrothermal process at 100 ℃ and fine starch solutions prepared by compressed hot water process at 140, 160, and 180 ℃ 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 ℃ fine starch solution as the wall material produced powder efficiently and enhanced its handling properties.
Rights: © 2018, Japanese Society for Food Science and Technology
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 清水 直人

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