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Preparation method of banana composite coating antistaling agent

A film-coating preservative and banana technology, which is applied to the preservation of fruits and vegetables, protection of fruits/vegetables with a protective coating layer, food preservation, etc. The incision is white and the color is golden.

Inactive Publication Date: 2016-06-22
张卫华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, bananas have a very short shelf life and should not be stored in the refrigerator

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) Preparation of carrageenan solution

[0017] Carrageenan was added to deionized water at 70°C and dissolved under stirring to obtain a carrageenan solution with a concentration of 6% by mass;

[0018] (2) Preparation of whey protein solution

[0019] Add whey protein concentrate to deionized water at 70°C, dissolve under stirring, and prepare a whey protein concentrate solution with a concentration of 4% by mass;

[0020] (3) Preparation of coating solution

[0021] Mix the carrageenan solution prepared in step (1) and the whey protein concentrate solution prepared in step (2) evenly according to a mass ratio of 1:3, and add carboxymethyl 3% of the total mass of the carrageenan solution and whey protein concentrate solution Base cellulose, obtain compound liquid, add calcium chloride, potassium citrate and sorbitol, described calcium chloride add-on is 0.5% of compound liquid quality, potassium citrate add-on is the sorbitol add-on of compound liquid quality is 1...

Embodiment 2

[0024] (1) Preparation of carrageenan solution

[0025] Carrageenan was added to deionized water at 80°C and dissolved under stirring to obtain a carrageenan solution with a concentration of 8% by mass;

[0026] (2) Preparation of whey protein solution

[0027] Add whey protein concentrate to deionized water at 80°C and dissolve under stirring to prepare a whey protein concentrate solution with a concentration of 5% by mass;

[0028] (3) Preparation of coating solution

[0029] Mix the carrageenan solution prepared in step (1) and the whey protein concentrate solution prepared in step (2) evenly in a mass ratio of 1:5, and add carboxymethyl carboxymethyl 5% of the total mass of the carrageenan solution and whey protein concentrate solution Base cellulose, obtain compound liquid, add calcium chloride, potassium citrate and sorbitol, described calcium chloride add-on is 0.8% of compound liquid quality, potassium citrate add-on is the sorbitol add-on of compound liquid quality ...

Embodiment 3

[0032] (1) Preparation of carrageenan solution

[0033] Carrageenan was added to deionized water at 75°C and dissolved under stirring to obtain a carrageenan solution with a concentration of 7% by mass;

[0034] (2) Preparation of whey protein solution

[0035] Add whey protein concentrate to deionized water at 75°C and dissolve under stirring to prepare a whey protein concentrate solution with a concentration of 4.5% by mass;

[0036] (3) Preparation of coating solution

[0037] Mix the carrageenan solution prepared in step (1) and the whey protein concentrate solution prepared in step (2) evenly according to a mass ratio of 1:4, and add carboxymethyl 4% of the total mass of the carrageenan solution and whey protein concentrate solution Base cellulose, obtain compound liquid, add calcium chloride, potassium citrate and sorbitol, described calcium chloride add-on is 0.6% of compound liquid quality, potassium citrate add-on is the sorbitol add-on of compound liquid quality is...

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PUM

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Abstract

The invention provides a preparation method of a banana composite coating antistaling agent. The method includes: adding carrageenan into deionized water to prepare a carrageenan solution; adding whey protein concentrate into deionized water to prepare a whey protein concentrate solution; mixing the carrageenan solution and the whey protein concentrate solution evenly, adding carboxymethylcellulose, calcium chloride, potassium citrate and sorbitol, and stirring the substances evenly; adding ascorbic acid, stirring the materials evenly, and performing degassing under a vacuum condition so as to obtain the composite coating antistaling agent. The composite coating antistaling agent prepared by the method provided by the invention has good antistaling effect, can inhibit crack of oxidase from banana epidermal cells, and can prolong the shelf life of bananas.

Description

technical field [0001] The invention relates to a preparation method of a banana composite coating preservative. Background technique [0002] Banana is a kind of fruit widely cultivated in tropical areas. Its fruit has ribs, yellow peel, white flesh, and sweet taste. Bananas are not only delicious but also have many medicinal properties. A large amount of carbohydrates and dietary fiber in bananas can prevent and resist cancer; it can also clear intestinal heat, laxative, ease gastric acid stimulation, and protect gastric mucosa; bananas contain angiotensin-converting enzyme inhibitory substances, which can Inhibit the rise of blood pressure, relax muscles, promote digestion, and help sleep. It is a fruit with high edible value. [0003] However, because the epidermal cells of the banana peel contain an oxidative enzyme, this enzyme is sealed in the cell. However, when bananas are stored at a lower temperature or stored for a long time, the cells will break down, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16A23B7/157A23B7/154
Inventor 张卫华
Owner 张卫华
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