2005•Unpublished venueRequires access

Research and Application of Vacuum Freeze-Drying Technology

Zhiping Li

Abstract

Vacuum freeze-drying, including the techniques of vacuum, freezing and drying, is a food processing method. This paper elaborates the freeze-drying mechanism and technology, and the characteristics of freeze-drying products were presented on the basis of a comparison between the quality of freeze-drying products and that of air-drying products. Finally, vacuum freeze-drying method was applied to freezing-dry fiddleheads.

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Available abstract

Key concepts: Freeze-drying, Vacuum drying, Chemistry, Food science, Process engineering, Materials science, Chromatography, Engineering