Color protection and combined drying method of apple chips
A technology for apple crisps and combined drying, applied in application, food preparation, food science and other directions, can solve the problems of high cost, low drying efficiency, and large nutritional loss of apple crisps, achieve small nutritional loss and reduce drying energy consumption , important application prospects and the effect of promoting the use value
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Embodiment 1
[0015] 1) Peel and remove the core of the cleaned fresh apples, and cut them into 5mm slices;
[0016] 2) Immediately put the sliced apples into the sulfur-free color protection solution, and keep the color and solidify for 25 minutes. The composition and mass ratio of the sulfur-free color protection solution are as follows: 0.4% β-cyclodextrin, 0.3% Citric acid, 0.2% ascorbic acid, 0.3% calcium chloride, and the balance is purified water;
[0017] 3) Wash and drain the apple slices after color protection and solidification with pure water, and lay them on a plate. The thickness of the plate should not exceed 25mm, and put the apples into the drying trolley;
[0018] 4) Push the drying trolley into the hot air drying oven to dry for 150-180 minutes. The drying process parameters are as follows: the drying temperature is 75°C during the 0-60 minute period of drying, the hot air speed is 2.7m / s, and the drying time is 60-120 minutes The drying temperature in the time section...
Embodiment 2
[0022] 1) Peel and core the cleaned fresh apples, and cut them into 7mm slices;
[0023] 2) Immediately put the sliced apples into the sulfur-free color protection solution, and keep the color and solidify for 30 minutes. The composition and mass ratio of the sulfur-free color protection solution are as follows: 0.6% β-cyclodextrin, 0.4% Citric acid, 0.3% ascorbic acid, 0.6% calcium chloride, and the balance is purified water;
[0024] 3) Wash the apple slices after the color protection and solidification with pure water, and lay them on a plate. The thickness of the plate should not exceed 25mm, and put the apples into the drying trolley;
[0025] 4) Push the drying trolley into the hot air drying oven to dry for 150-180 minutes. The drying process parameters are as follows: the drying temperature in the 0-60 minute section is 78°C, the hot air speed is 3m / s, and the drying time is 60-120 minutes. The section drying temperature is 68°C, the wind speed is 2.4m / s, and the se...
Embodiment 3
[0029] 1) Peel and core the cleaned fresh apples, and cut them into 6mm slices;
[0030] 2) Immediately put the sliced apples into the sulfur-free color protection solution, and keep the color and solidify for 28 minutes. The composition and mass ratio of the sulfur-free color protection solution are as follows: 0.5% β-cyclodextrin, 0.35% Citric acid, 0.25% ascorbic acid, 0.45% calcium chloride, and the balance is purified water;
[0031] 3) Wash the apple slices after the color protection and solidification with pure water, and lay them on a plate. The thickness of the plate should not exceed 25mm, and put the apples into the drying trolley;
[0032] 4) Push the drying trolley into the hot air drying oven to dry for 150-180 minutes. The drying process parameters are as follows: the drying temperature is 80°C during the 0-60 minute period of drying, the hot air speed is 2.9m / s, and the drying time is 60-120 minutes The drying temperature in the time section is 65°C, the win...
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