A technology for preparing dried apples by combined drying with microwave and hot air
A technology that combines drying and microwave hot air is applied in the fields of fruit and vegetable preservation, fruit/vegetable preservation by dehydration, food science, etc. The softening time is prolonged and the drying effect is good.
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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) Ripe apples are peeled and cored and cut into apple slices with a thickness of 2 cm;
[0037] (2) Soak the apple slices in a color-protecting 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 is obtained at 5%; the components of the sustained-release solution are: 3% agar powder, 6% hydroxypropyl distarch phosphate, and 6% xylitol.
[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...
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