Processing technology of quick-frozen corn

A processing technology, corn technology, applied in the functions of food ingredients, preservation of food ingredients as antimicrobials, preservation of fruits/vegetables by freezing/refrigeration, etc., can solve the problems of corn shrinkage, poor taste, black appearance, etc., Achieve the effect of inhibiting browning, improving product flavor and reducing enzyme activity

Pending Publication Date: 2020-12-18
灯塔市荣耀初级农产品销售有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the quick-frozen corn currently on the market, due to the process of blanching-cooling-draining-quick-freezing and other processes, are often used to preserve and store the corn, but often the corn shrinks severely after thawing, and the appearance is black and dull. Therefore, a kind of processing technology of quick-frozen corn is proposed in view of the above-mentioned problems

Method used

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  • Processing technology of quick-frozen corn

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for processing quick-frozen corn kernels, comprising the following steps.

[0019] (1) Cleaning: Soak in 1.5% sodium chloride solution for 25 minutes, then cool with 5°C flowing cold water for 10 minutes.

[0020] (2) Pre-cooking: Pre-cooking in hot water at 80°C for 5 minutes, then cooling in running water at 15°C.

[0021] (3) Steaming: use 98°C hot water to cook for 7 minutes, and cook the corn until 8 minutes.

[0022] (4) Color protection: Blanch the corn in 0.30% citric acid solution at 80°C for 70 seconds, then soak the corn in the color protection solution at 3°C.

[0023] (5) Blow-drying: After picking up and draining the open water, place it in a pre-cooling room at 0°C to cool thoroughly to ensure that the temperature of the fresh ear drops below 5°C, and then blow-dry the surface moisture.

[0024] (6) Quick-frozen packaging: The corn is quick-frozen to ensure that the central temperature of the corn drops below -5°C within 9 minutes, and then the...

Embodiment 2

[0027] A method for processing quick-frozen corn kernels, comprising the following steps.

[0028] (1) Cleaning: Soak in 2% sodium chloride solution for 30 minutes, then cool with 7°C flowing cold water for 15 minutes.

[0029] (2) Pre-cooking: pre-cooking in hot water at 84°C for 5 minutes, then cooling in running water at 20°C.

[0030] (3) Cooking: use 100°C hot water to cook for 10 minutes, and cook the corn until 9 minutes.

[0031] (4) Color protection: Blanch the corn in 0.35% citric acid solution at 80°C for 70 seconds, then soak the corn in the color protection solution at 5°C.

[0032] (5) Blow-drying: After picking up and draining the open water, place it in a pre-cooling room at 0°C to cool thoroughly to ensure that the temperature of the fresh ear drops below 5°C, and then blow-dry the surface moisture.

[0033] (6) Quick-frozen packaging: The corn is quick-frozen to ensure that the central temperature of the corn drops below -5°C within 9 minutes, and then the ...

Embodiment 3

[0036] A method for processing quick-frozen corn kernels, comprising the following steps.

[0037] (1) Cleaning: Soak in 1.7% sodium chloride solution for 27 minutes, then cool with 6°C flowing cold water for 13 minutes.

[0038] (2) Pre-cooking: pre-boil in hot water at 82°C for 5 minutes, and then cool in running water at 17°C.

[0039] (3) Steaming: use 99°C hot water to cook for 8 minutes, and cook the corn until 9 minutes.

[0040] (4) Color protection: Blanch the corn in 0.33% citric acid solution at 80°C for 70 seconds, then soak the corn in 4°C color protection solution.

[0041] (5) Blow-drying: After picking up and draining the open water, place it in a pre-cooling room at 0°C to cool thoroughly to ensure that the temperature of the fresh ear drops below 5°C, and then blow-dry the surface moisture.

[0042] (6) Quick-frozen packaging: The corn is quick-frozen to ensure that the central temperature of the corn drops below -5°C within 9 minutes, and then the finished...

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Abstract

The invention relates to the field of food processing, in particular to a processing technology of quick-frozen corn. The processing technology comprises multiple specific steps of cleaning, precooking, blanching, color protecting, blow-drying, quick-freezing, packaging and the like, and the quick-frozen corn processing process is completed. The processing technology of the quick-frozen corn is simple and convenient to operate, the quality of the packaged corn is strict, and besides, the obtained quick-frozen corn has a relatively high color preservation rate in the storage process, so that the obtained quick-frozen corn has excellent color and luster and better taste, and the market competitiveness of the product is greatly improved.

Description

technical field [0001] The invention belongs to the field of food processing, in particular to a processing technology of quick-frozen corn. Background technique [0002] Most of the quick-frozen corn currently on the market, due to the process of blanching-cooling-draining-quick-freezing and other processes to keep fresh and store the corn, but often the corn shrinks severely after thawing, and the appearance is black and dull. Therefore, a processing technology of quick-frozen corn is proposed for the above-mentioned problems. Contents of the invention [0003] In view of the deficiencies in the prior art, the first object of the present invention is to provide a processing technology for quick-frozen corn to solve the above-mentioned technical problems, which has a high color preservation rate during storage, so that the obtained quick-frozen corn has excellent The color is bright, and at the same time, when it is boiled and eaten, the taste is tender. [0004] A proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/04A23L19/00A23L5/41A23L5/10A23L5/00A23B7/157
CPCA23B7/04A23L19/00A23L5/41A23L5/13A23L5/00A23B7/157A23V2002/00A23V2200/048A23V2250/032A23V2250/708A23V2200/10
Inventor 金哲南河圣萌
Owner 灯塔市荣耀初级农产品销售有限公司
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