Process for preparing dried apple by microwave hot air combined drying
A combination of drying and microwave hot air technology, which is applied to the preservation of fruits and vegetables, preservation of fruits/vegetables through dehydration, food preservation, etc., can solve the problems of coking phenomenon, water loss rate gap, prolonging softening time, etc., to reduce osmosis, Extend softening time, save time and energy consumption
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[0035] A method for preparing dried apples by combined drying with microwave and hot air, comprising the following steps:
[0036] (1) Peel and core the ripe apples and cut them into apple slices with a thickness of 2cm;
[0037] (2) Soak the apple slices in the color protection solution containing 0.4% citric acid and 0.5% calcium chloride for 3 hours;
[0038] (3) Soak the apple slices in the slow-release solution for 20 minutes, refrigerate at 4°C for 1 hour after soaking, and then take 1000 pieces of uniform size for staged microwave drying and staged hot air drying; dry until the water content is low The dried apple product was obtained at 5%; the components of the slow-release solution were: agar powder 3%, hydroxypropyl distarch phosphate 6%, xylitol 6%.
[0039]The staged microwave drying process includes:
[0040] Use 900W microwave power to dry for 2 minutes; use 600W microwave power to dry for 3 minutes; use 300W microwave power to dry for 4 minutes; microwave fre...
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