Apple crisp processing method

Process flow

Raw materials → pretreatment → slice → color protection → Fixing (inactivating enzyme) → dipping → quick freezing → vacuum frying → deoiling → flavoring → packaging → finished product.

Operation method

Selection of ingredients: Red jade apples are preferred, Guoguang, chicken crowns, gold crowns, etc. are also better, and apples of moderate maturity are used.

Pretreatment: soak the raw materials in 1% NaOH solution and 40-0.1%-0.2% of washing solution at 40°C for 10 seconds, then flush the water with fresh water, remove the fruit and cut the flowers, and cut into 3 mm uniform thick pieces.

Color protection: Immerse the cut fruit pieces in the color protection solution in time. The color protection solution can use 1% test solution or 0.1% citric acid solution.

Fixing (inactivating enzyme): To make the enzyme in the apple lose its activity, if the method of blanching is used, the process parameter is 80° C. to 90° C. for 2 to 6 minutes.

Impregnation: Immerse the fruit pieces in a syrup with a sugar content of 30%.

Vacuum frying: preheat the oil pan to 110°C, then put the frying basket with the material layer thickness of about 10 cm into the frying pan, vacuum the air to 0.095Mpa and maintain for 25-30 seconds. In the process of this article, the temperature of the fruit pieces is controlled at 50°C-60°C, and the heating temperature is adjusted according to the moisture evaporation amount.

Deoiling: Centrifugal degreasing under vacuum.

Seasoning: can be carried out in a continuous seasoning machine, can be used 0.01% Tian Bo chicken oil flavor, 0.1% citric acid, 12% to 15% sugar liquid spray on the chip to increase flavor, a little drying, cooling after room temperature packaging.

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