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Preparation method of green food quick-frozen green sword beans

A technology of green food and green beans, which is applied in food freezing, food processing, food science, etc., can solve the problems of uneven processing technology, loss of green beans' nutritional elements, and loss of taste, so as to achieve less loss of nutrients, Avoid bad taste and accelerate the loss of water

Pending Publication Date: 2021-08-10
宁夏虹桥有机食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the processing technology of frozen green beans in the prior art is uneven, and the loss of nutritional elements and the loss of mouthfeel of green beans after freezing have occurred.

Method used

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  • Preparation method of green food quick-frozen green sword beans
  • Preparation method of green food quick-frozen green sword beans
  • Preparation method of green food quick-frozen green sword beans

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preparation example Construction

[0030] The invention provides a kind of preparation method of green food quick-frozen green beans, comprising the following steps:

[0031] (1) Raw material acceptance and picking: green beans are tested one week before picking, and picked after passing the test;

[0032] (2) Remove the head and tail: remove the head and tail of the green beans;

[0033] (3) Processing: the green beans obtained in step (2) are successively cleaned, blanched, cooled, drained, then vacuum-cooled and quick-frozen, and packaged.

[0034] In the present invention, in the step (1), the green beans before picking need to meet the standard of NY / T1406-2018.

[0035] In the present invention, in the step (2), the length removed from both ends of the green beans is 0.5 to 1 cm; preferably 0.7 to 0.8 cm. c m; more preferably 0.75 c m.

[0036] In the present invention, the blanching: putting the green beans in water at 58-65°C for 10-20s for the first blanching; preferably putting them in water at 60...

Embodiment 1

[0051] A preparation method of green food quick-frozen green beans, comprising the following steps:

[0052] (1) Raw material acceptance and picking: green beans are tested one week before picking, and must meet the standards of NY / T1406-2018, and pick after passing the test;

[0053] (2) Remove the head and tail: Remove the head and tail of the green beans, and the length removed from both ends is 0.5cm;

[0054] (3) processing: the green beans obtained in step (2) are cleaned;

[0055] (4) Put the cleaned green beans into 58°C water for 10s for the first blanching; then put them in 94°C water for 45s for the second blanching, and stir; is 7.5;

[0056] (5) Cool the green beans after blanching, spray with water to make the center temperature of the green beans drop to 50°C, then place them in 10°C water and cool until the center temperature of the green beans is 25°C, then Place in 0°C water to lower the temperature of the green beans to 7°C;

[0057] (6) Place the cooled...

Embodiment 2

[0060] A preparation method of green food quick-frozen green beans, comprising the following steps:

[0061] (1) Raw material acceptance and picking: green beans are tested one week before picking, and must meet the standards of NY / T1406-2018, and pick after passing the test;

[0062] (2) Remove the head and tail: Remove the head and tail of the green beans, and the length of the removed ends is 1cm;

[0063] (3) processing: the green beans obtained in step (2) are cleaned;

[0064] (4) Put the cleaned green beans in water at 65°C for 20s for the first blanching; then put them in water at 98°C for 90s for the second blanching, and stir; the pH of the two blanching water is 8.3;

[0065] (5) Cool the green beans after blanching, spray with water to make the center temperature of the green beans drop to 60°C, then place them in 25°C water to cool until the center temperature of the green beans is 30°C, and then Place in 10°C water to lower the temperature of the green beans t...

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Abstract

The invention relates to the technical field of vegetable processing, in particular to a preparation method of green food quick-frozen green sword beans. The method comprises the following steps: (1) raw material acceptance and picking: detecting green sword beans one week before picking, and picking the green sword beans after the green sword beans are detected to be qualified; (2) head removing and tail removing: removing the heads and tails of the green sword beans; and (3) processing treatment: sequentially performing cleaning, blanching, cooling and draining on the green sword beans obtained in the step (2), then performing vacuum cooling and quick freezing, and performing packaging. The method can effectively prevent nutrient element loss of the green sword beans, and can keep the crisp and tender taste of the green sword beans for a long time. In addition, the method is simple and convenient in process flow, and is suitable for large-scale industrialized production.

Description

technical field [0001] The invention relates to the technical field of vegetable processing, in particular to a method for preparing green food quick-frozen green beans. Background technique [0002] Green beans, also known as green beans, kidney beans, jade beans, small sword beans, etc., are rich in carbohydrates, protein and fat, and have high nutritional value. Green beans are green in color, delicious and sweet, crisp and tender in texture, without fiber feeling when eaten, and rich in nutrition, so they are loved by people from all over the world. [0003] With the development of modern logistics, the distance between the sales place and the production place is getting farther and farther. Quick-frozen green beans are one of the four main varieties of quick-frozen beans and vegetables exported in my country, and the export volume is increasing year by year. Green sword beans are fresh and alive agricultural products, and they have strong respiration after picking, so ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L11/00A23B7/04A23N12/06
CPCA23B7/04A23V2002/00A23L19/03A23L5/13A23N12/08A23N12/02A23V2300/20
Inventor 张磊王瑞生韩振涛李伟
Owner 宁夏虹桥有机食品有限公司
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