Freeze drying method and freeze drying candy of candy

摘要

PPROBLEM TO BE SOLVED: To provide a method for freeze-drying confectionery enabling long storage of confectionery while inhibiting shape distortion of the confectionery. PSOLUTION: The method for freeze-drying confectionery comprises conducting primary sublimation where the confectionery is frozen and the pressure during a drying process is set to 0.6-0.65 Torr and dried in an environment having temperature at 25-40°C, for 3-4h, conducting secondary sublimation where the frozen confectionery is dried in an environment having temperature at 60-70°C for 18-20h, and conducting tertiary sublimation where the frozen confectionery is dried in an environment having temperature at 35-45°C, for 1.5-4.5h. PCOPYRIGHT: (C)2007,JPO&INPIT