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Method for preparing biogenic biphase coating anti-staling agent for pickle stem tuber raw materials

The invention relates to a film-coating preservative and tuber technology, which is applied in the field of preparation of a biological source biphasic coating preservative for pickles and tubers, and can solve the problems of good preservation effect and the like, and achieve the characteristics of good preservation effect, convenient application and consistent maturity period. Effect

Inactive Publication Date: 2012-04-11
XIHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Does not cause damage to kimchi tuber raw materials and has a good fresh-keeping effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] The percentages involved in the following are all percentages by mass.

[0009] Prepare 100mL of ethanol aqueous solution with a concentration of 20-30%, adjust the pH value to 6.1-6.6, and add 0.5%-1.5% chitosan, 0.1%-1% propolis and 1%- 20% porous starch, these three components are the film-forming carrier of the preservative, then add natamycin 0.1g / L~0.2g / L, nisin 0.02g / L~0.1g / L and polymer Lysine 0.1g / L~0.6g / L (these three preservatives are used as solid-phase preservatives after the film-forming material is formed), the stirring speed of the electric mixer is 900r / min, after constant temperature stirring for 1-2h, then Add cinnamon oil, clove oil and rosemary oil (these three preservatives are used as gas-phase preservatives after the film-forming material is formed), and the addition ratios of cinnamon oil, clove oil and rosemary oil are 0.2g / L~0.3g respectively / L, 0.15g / L~0.25g / L and 0.1g / L~0.2g / L, and add 1.0%~3.0% Tween-80 emulsifier, the stirring speed of t...

Embodiment 2

[0012] Application of preservatives on carrots:

[0013] The percentages involved in the following are all percentages by mass. Prepare 100mL ethanol-water solution (ethanol content is 20-30%), adjust the pH value to 6.1, take the above-mentioned 100mL ethanol-water solution quality as a benchmark, add 0.5% chitosan, 0.1% propolis and 1% porous starch respectively, these three The first component is the film-forming carrier of antistaling agent, then add natamycin 0.1g / L, nisin 0.02g / L and polylysine 0.1g / L respectively (these three kinds of antistaling agents are used as film-forming materials solid-phase antistaling agent after film formation), the electric stirrer stirring speed is 900r / min, after constant temperature stirring 1h, then add cinnamon oil, clove oil and rosemary oil (these three antistaling agents are used as film-forming material after film-forming Vapor phase preservative), the addition ratio is 0.2g / L, 0.15g / L and 0.1g / L respectively, and add 1.0% Tween-80...

Embodiment 3

[0015] Application of plastic wrap on lettuce:

[0016] The percentages involved in the following are all percentages by mass. Prepare 100mL ethanol-water solution (ethanol content is 20-30%), adjust the pH value to 6.6, take the above-mentioned 100mL ethanol-water solution quality as a benchmark, add 1.5% chitosan, 1% propolis and 20% porous starch respectively, these three The first component is the film-forming carrier of antistaling agent, then add respectively natamycin 0.2g / L, nisin 0.1g / L and polylysine 0.6g / L (these three kinds of antistaling agents are used as film-forming material solid-phase antistaling agent after film formation), the electric stirrer stirring speed is 900r / min, after constant temperature stirring 2h, then add cinnamon oil, clove oil and rosemary oil (these three antistaling agents are used as film-forming material after film-forming Vapor-phase preservative), the addition ratio is 0.3g / L, 0.25g / L and 0.2g / L respectively, and add 3.0% Tween-80 emu...

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Abstract

The invention discloses a method for preparing a biogenic biphase coating anti-staling agent for pickle stem tuber raw materials. The method comprises the following steps of: preparing an ethanol-water solution, regulating the pH value to be 6.1-6.6, and adding chitosan, propolis and porous starch into the ethanol-water solution based on the mass of the ethanol-water solution; adding natamycin, nisin and poly-L-lysine; and stirring by using an electric stirrer at constant temperature for 1 to 2 hours at a stirring rate of 900r / min, adding cinnamon oil, clove oil and rosemary oil, adding 1.0 to 3.0 percent of Tween-80 emulsifier, stirring by using the electric stirrer for 1 to 2 hours at a stirring rate of 1,200r / min to make the mixed oil uniformly dispersed, and homogenizing at a rate of 1.6*10<4>-2.0*10<4>r / min for 30 minutes to obtain the coating anti-staling agent. Product pollution because mixed bacteria are attached to the raw materials in the fermentation process is avoided, themature periods of pickle products are consistent, and product quality is stable.

Description

technical field [0001] The invention relates to a preparation method of a biological source dual-phase film preservative for pickles and tubers, and belongs to the technical field of food preservation. Background technique [0002] Kimchi is a traditional food in my country, and it is an indispensable ingredient of Sichuan cuisine. It has been deeply loved by consumers. With the development of the modernization process of the food industry, pickles have also entered industrialization. But the fresh-keeping problem of pickle raw material in transportation and storage process has not been solved. At present, there are many antistaling agents for agricultural products, but there is no biological antistaling agent dedicated to pickles and tubers. Contents of the invention [0003] Provided is a preparation method of a biological source two-phase film preservative for pickles and tubers. It does not cause damage to raw materials such as pickles and tubers and has a good fresh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16
Inventor 邢亚阁余帅张琦车振明张大凤田伟贾春龚丽刘洪唐洁张丽珠
Owner XIHUA UNIV
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