METHOD FOR PRODUCING STRAWBERRY SLICE USING FREEZE DRYING AND STRAWBERRY SLICE PRODUCED BY THE SAME METHOD

摘要

PURPOSE: a kind of manufacture strawberry slice, which provides, maintains identical structure and color natural material, has crisp quality, by being freeze-dried to water content less than 7%, improves storge quality. ;CONSTITUTION: strawberry is switched to be increased after the washing with a thickness of 2-3mm. Slice strawberry is put into freeze dryer, is lyophilized. Freeze-drying has been carried out and is: cooling the temperature to -40 degrees Celsius 32 hours, while make freeze-dried device maintains 5 supports (Torr); The temperature of freeze-dryer increases to -20 degrees Celsius 32 hours, and is further increased to 0 degree Celsius 3 hours; The temperature of freeze-dryer increases to 15 degrees Celsius 32 hours, and is further increased to 30 degrees Celsius 3 hours; 30 degree are dried with above-mentioned strawberry, the time is 33 2 hours, and in 28-32 degrees Celsius of 30-36. ;The 2013 of copyright KIPO submissions