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Fresh-keeping processing technology for sweet and waxy corn

A processing technology and technology of waxy corn, applied in the direction of edible seed preservation, food preservation, heat preservation of seeds, etc., can solve the problems of affecting taste, oxidative discoloration of corn, loss of nutrients, etc., to kill viruses and bacteria, reduce waste The effect of water content and fragrance

Inactive Publication Date: 2020-05-19
ZHONGKAI UNIV OF AGRI & ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fresh-keeping processing technologies at the present stage are mainly three kinds of quick-freezing fresh-keeping processing, modified atmosphere fresh-keeping technology and vacuum fresh-keeping technology, but each has its own shortcomings. After long-term storage of corn, oxidative discoloration will occur, which will affect the taste and gradually lose nutrients.

Method used

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  • Fresh-keeping processing technology for sweet and waxy corn

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The invention provides a fresh-keeping processing technology for sweet and glutinous corn, and the specific operation steps are as follows:

[0031] Step 1: Select the fresh waxy corn ears that are harvested in the harvest period without pests and diseases, full of grains, good ear shape, robustness, and no bald tip as raw materials, peel off the husks, remove silk, abnormal shape and diseases and insect pests ears, then to clean;

[0032] Step 2: put the cleaned high-quality corn ears into brine and soak, the brine is set to a 6% sodium chloride aqueous solution, and the brine temperature is set to 30 ° C, then take out the corn ears and drain its surface moisture;

[0033] Step 3: pre-cooking is carried out to the corn ears, first boiled pre-boiled water, the drained corn ears are slowly added to the pre-boiled water for blanching, and the method is as follows:

[0034] S1: dissolving glycan in water to prepare a 5% aqueous solution of glycan;

[0035] S2: Use a coo...

Embodiment 2

[0045] The invention provides a fresh-keeping processing technology for sweet and glutinous corn, and the specific operation steps are as follows:

[0046] Step 1: Select the fresh waxy corn ears that are harvested in the harvest period without pests and diseases, full of grains, good ear shape, robustness, and no bald tip as raw materials, peel off the husks, remove silk, abnormal shape and diseases and insect pests ears, then to clean;

[0047] Step 2: put the cleaned high-quality corn ears into brine and soak, the brine is set to a 6% sodium chloride aqueous solution, and the brine temperature is set to 33 ° C, then take out the corn ears and drain its surface moisture;

[0048] Step 3: pre-cooking is carried out to the corn ears, first boiled pre-boiled water, the drained corn ears are slowly added to the pre-boiled water for blanching, and the method is as follows:

[0049] S1: dissolving glycan in water to prepare a 5% aqueous solution of glycan;

[0050] S2: Use a pot t...

Embodiment 3

[0060] The invention provides a fresh-keeping processing technology for sweet and glutinous corn, and the specific operation steps are as follows:

[0061] Step 1: Select the fresh waxy corn ears that are harvested in the harvest period without pests and diseases, full of grains, good ear shape, robustness, and no bald tip as raw materials, peel off the husks, remove silk, abnormal shape and diseases and insect pests ears, then to clean;

[0062] Step 2: put the cleaned high-quality corn ears into brine and soak, the brine is set to a 6% sodium chloride aqueous solution, and the brine temperature is set to 33 ° C, then take out the corn ears and drain its surface moisture;

[0063] Step 3: pre-cooking is carried out to the corn ears, first boiled pre-boiled water, the drained corn ears are slowly added to the pre-boiled water for blanching, and the method is as follows:

[0064] S1: dissolving glycan in water to prepare a 5% aqueous solution of glycan;

[0065] S2: Use a pot...

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Abstract

The invention discloses a fresh-keeping processing technology for sweet and waxy corn. The processing technology includes the following steps: selecting the fresh waxy corncobs with no diseases or pests, full grains, good corncob types, robustness and no bald tips harvested in the harvesting period, stripping bract, removing filaments, and abnormal morphology and pest corncobs, and performing washing. According to the processing technology, pomelo peel and lemon peel are added in the process of boiling water, so that unpleasant smell of the corn can be removed, corn kernels can be moisturized,the color is more vivid, and the taste is more fragrant; a GanZao glycan aqueous solution is used to improve the antiseptic and anti-insect effect; honey, lemonade and cool boiled water are mixed toprepare a fresh keeping agent, and the fresh keeping agent is brushed uniformly on the surface of the corn to provide vitamins, calcium, phosphorus, iron and potassium and other elements and make thecorn resistant to oxidation and maintain the taste and color; and drilling is performed in the naked corncobs to make the interiors of the core holes be in contact with the fresh keeping agent, and the holes are blocked by using a hole core material, so that the corn can be moisturized, and the water loss rate can be reduced.

Description

technical field [0001] The invention relates to the technical field of fresh-keeping corn, in particular to a processing technology for fresh-keeping sweet and glutinous corn. Background technique [0002] Fresh corn contains a variety of amino acids, vitamins, trace minerals, fatty acids and other nutrients. Its edible value is much higher than that of dried corn kernels and processed products harvested after full maturity. It is an ideal nutritionally balanced food. Nutritionists call it "golden grains." Sweet and glutinous corn is an emerging economic crop for both fruits and vegetables. It is rich in vitamins and amino acids, maltose, fructose, plant honey, etc. It has extremely high nutritional value and is easily digested and absorbed by the human body. It can be eaten fresh, fried to make soup, or processed into canned food, and it is very popular in domestic and foreign markets. [0003] In recent years, people's demand for sweet and waxy corn has been increasing. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B9/02A23B9/10A23B9/26
CPCA23B9/02A23B9/26A23B9/10
Inventor 蒋锋刘鹏飞陈青春张姿丽孙伟李小琴万小荣岳海峰李武
Owner ZHONGKAI UNIV OF AGRI & ENG