Use of minced tuna flesh nanoparticle composite membrane

A technology of nano-microspheres and tuna, which is applied in the direction of fish protein composition, application, preparation of animal glue or gelatin, etc. It can solve the problem of ineffective utilization of minced meat and fish bones, restricting the in-depth development of industries, and wasting fishery resources, etc. problems, to achieve the effect of inhibiting food lipid peroxidation, significant antibacterial activity, and increasing added value

Inactive Publication Date: 2015-08-12
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of tuna processing, a large amount of minced meat and fish bones have not been effectively utilized, wasting valuable fishery resources and limiting the in-depth development of the industry
After searching, there is no report on the preparation of biofilms for packaging using myofibrillar protein prepared from minced tuna and nano-microspheres prepared from chitosan

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0021] (1) Preparation of Golden Tuna Mermore Fibrobrin: Take tuna to minced meat, add the ingredients to 1 g: 9 ml to add Tris-Maleate buffer (0.05 mol / L, pH 7.5), at 18000 R / min average massLater, 12min centrifuged at 6000 R / min, after removing the precipitation and repetitive average. After the centrifugal 2 times, the income sediment was cleaned according to the material liquid ratio of 1 g: 4.5 ml.The obtained sediment is then washed according to the material to 1 g: 9 ml to add 0.1 mol / L naCl solution to clean, gauze filtration, and the filter liquid is to precipitate, that is, the tuna minced meat muscle fibrin.

[0022] Preparation of tuna bone bone bone plasticizers: Crush tuna fish bone crushed, add 0.5 mol / l naoh solution to the ingredient liquid ratio of 1 g: 12 ml, soak 2.5 h at 4 ° C, washed to neutral,1 G: 8 ml Add 0.5 mol / L EDTA solution, soak at 4 ° C for 4 days, dry, get fish head powder; add 4% HCL solution to the fish head powder to the fish head powder,After s...

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PUM

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Abstract

The invention discloses a use of a minced tuna flesh nanoparticle composite membrane. The minced tuna flesh is used for preparing a myofibrillar protein-chitosan nanoparticle composite membrane; the technical process comprises the steps of: preparing minced tuna flesh myofibrillar protein, preparing a tuna bone gelatin plasticizer and preparing chitosan nanoparticles; next, orderly adding the prepared myofibrillar protein, bone gelatin plasticizer and chitosan nanoparticles and an antioxidant to double distilled water in a certain ratio to form a film forming solution, and finally, pouring the successfully prepared film forming solution onto a polyvinyl chloride crystal plate, scraping, drying and uncovering a film, thereby obtaining the myofibrillar protein-chitosan nanoparticle composite membrane. The prepared myofibrillar protein-chitosan nanoparticle composite membrane has remarkable characteristics of oxidation resistance, bacteriostasis and the like, and can be applied to bacteriostasis or oxidation resistance in the packaging field.

Description

Technical field [0001] The present invention is the field of food quality and safety technology, especially the use of a tuna shattered nano -sano -ball composite film. Background technique [0002] The large amount of non -degradable plastic packaging materials have caused an increasingly negative impact on the environment.Therefore, searching for non -degradable plastic packaging materials has become a hot spot in the field of food packaging.Protein resources are abundant, biomagitariated, and strong plasticized. More importantly, it is better than polysaccharides such as oxygen and carbon dioxide resistance in food packaging.Therefore, the use of protein resources to prepare edible membranes has attracted widespread attention. [0003] Tuna is an important consumer fish for ocean -sex goods, with an annual capture of more than 6 million tons.During the processing of tuna, a large number of minced meat and fish bones failed to be effectively used, which wasted valuable fishery ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L89/04C08L5/08C09H3/00A23J1/04C08J5/18
Inventor 迟长凤王斌孙坤来
Owner ZHEJIANG OCEAN UNIV
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