HIGH-EFFICIENCY ENERGY-SAVING METHOD FOR IMPROVING FREEZE-DRYING OF BERRIES BY LASER PRETREATMENT IN COOPERATION WITH MICROWAVE SPRAYING

摘要

Disclosed is a high-efficiency energy-saving method for improving the freeze-drying of berries by laser pretreatment in cooperation with microwave spraying. The method comprises: carrying out a laser multi-point perforation treatment on berry materials subjected to special pre-freezing, carrying out dehydration in cooperation with a microwave spraying freeze-drying technology, and then carrying out packaging.