Skipjack myofibrillar protein metal nanometer composite membrane

A myofibrillar protein and metal nanotechnology, applied in the field of bonito myofibrillar protein metal nanocomposite membranes, can solve the problems of not being effectively utilized and wasting fishery resources, and achieve the purpose of inhibiting lipid peroxidation and pathogenic microorganisms Effects of growing, increasing added value, and reducing pollution

Inactive Publication Date: 2015-08-19
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the processing of tuna fillets, etc., a large amount of leftovers such as minced meat are produced, which are not effectively utilized and precious fishery resources are wasted

Method used

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Examples

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Effect test

Embodiment

[0018] Example: Bonito myofibril protein metal nanocomposite membrane, which contains 20-22 parts of myofibril protein, 0.16-0.24 parts of ZnO, 0.6-1.1 parts of Enteromorpha antioxidant, and 4-5.5 parts by weight. Plasticizer. The plasticizer is preferably sorbitol.

[0019] Preparation of Myofibrillar Protein from Bonito Minced Meat: Take bonito minced meat, add 0.05 mol / L Tris-Maleate buffer (pH 7.5) according to the material-liquid ratio of 1 g: 10 mL, homogenize at 18000 r / min, centrifuge at 6000 r / min for 13 min, and collect the precipitate Repeat homogenization and centrifugation twice, the resulting precipitate was washed by adding 0.1 mol / L NaCl solution according to the material-to-liquid ratio of 1 g:4 mL, and centrifuged at 9000 r / min for 15 minutes. Add 0.1 mol / L NaCl solution to mL to wash, filter with gauze, and centrifuge the filtrate to get the precipitate, which is bonito minced myofibrillar protein.

[0020] Preparation of Enteromorpha Antioxidant : After mas...

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PUM

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Abstract

The invention discloses a skipjack myofibrillar protein metal nanometer composite membrane, which has the antioxidation and the antimicrobial activity and is prepared from skipjack ground meat. The composite membrane comprises the following ingredients in parts by weight: 20 to 22 parts of myofibrillar proteins, 0.16 to 0.24 part of ZnO, 0.6 to 1.1 parts of enteromorpha antioxidants and 4 to 5.5 parts of plasticizers. The skipjack myofibrillar protein metal nanometer composite membrane has the advantages that skipjack ground meat is used as major raw materials, and a new path is opened up for the high-valued utilization of skipjack processing leftovers; the prepared myofibrillar protein-ZnO nanometer composite membrane has the obvious characteristics of antioxidation, bacteriostasis and the like.

Description

technical field [0001] The invention relates to an antibacterial composite film, in particular to a bonito myofibrillar protein metal nanocomposite film. Background technique [0002] Myofibrillar protein accounts for more than 50% of fish protein, and is the most biologically functional structural protein group in fish. Its structure, gel and rheological properties have an important impact on the quality of fish products. In recent years, the research on myofibrillar protein has found that it has good film-forming properties, which has laid a theoretical foundation for its application in the field of biofilm preparation. [0003] Tuna is an important pelagic commercial food fish with an annual catch of more than 6 million tons. During the processing of tuna and fish fillets, a large amount of leftovers such as minced meat are produced, which are not effectively utilized and precious fishery resources are wasted. [0004] Based on this, the applicant prepared its myofibril...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L89/00C08K3/22C08K5/053C08K5/1535
Inventor 迟长凤王斌陈荫孙坤来
Owner ZHEJIANG OCEAN UNIV
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