Preparation method of edible anti-bacterial packaging film

A packaging film and solution technology, applied in packaging, wrapping paper, transportation and packaging, etc., can solve the problem of no tea polyphenols

Inactive Publication Date: 2011-04-20
HENAN UNIVERSITY OF TECHNOLOGY
View PDF2 Cites 11 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] There is no report on the applicatio

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1: Add 4% (w / v) carrageenan to 0.9% (w / v) chitosan solution, stir at 50°C for 30 minutes, add 0.01% (w / w) sodium chloride while stirring ), add 2% (w / v) gelatin to the solution after mixing evenly, add 0.8% (w / v) green tea polyphenol to the solution while stirring, and cast to form a film.

Embodiment 2

[0014] Example 2: Add 6% (w / v) carrageenan to 1.2% (w / v) chitosan solution, stir at 40°C for 40 minutes, add 0.02% (w / w) sodium chloride while stirring ), after mixing evenly, add 3% (w / v) gelatin to the solution, add 1.0% (w / v) green tea polyphenol to the solution while stirring, and cast to form a film.

Embodiment 3

[0015] Example 3: Add 5% (w / v) carrageenan to 1.5% (w / v) chitosan solution, stir at 50°C for 50 minutes, add 0.03% (w / w) sodium chloride while stirring ), adding 4% (w / v) gelatin to the solution after mixing evenly, adding 1.2% (w / v) green tea polyphenols to the solution while stirring, and casting to form a film.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a preparation method of an edible anti-bacterial packaging film. The preparation method is characterized in that carrageenan is added in a 0.9-1.5% (w/v) chitosan solution; the mixture is,stirred for 30-50 minutes at 40-50 DEG C; sodium chloride is added while stirring is carried out; after the mixture is mixed uniformly, gelatin and green tea polyphenol are added into the solution, and curtain coating is carried out, thus obtaining the edible anti-bacterial packaging film. The edible anti-bacterial packaging film prepared by the preparation method has a certain inhibitory action on bacteria and is environmental-friendly.

Description

technical field [0001] The invention relates to a preparation method of a packaging film, in particular to a preparation method of an edible antibacterial packaging film. Background technique [0002] One of the ways for humans to infect bacteria is through the food of the population, and food packaging materials are generally in direct contact with food. The development of food packaging materials with antibacterial and fresh-keeping functions is very important. At present, there are many types of antimicrobial materials, which generally include antimicrobial plastics, antimicrobial fibers and fabrics, antimicrobial ceramics, and antimicrobial metals. The production of antibacterial materials is generally by adding antibacterial agents to the substrate or coating the surface of the substrate in an appropriate way. Therefore, it can be said that the pros and cons of antibacterial materials ultimately depend on the development of antibacterial agents. Although there are man...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C08J5/18C08L5/00C08L5/08C08L89/00C08K13/02C08K3/16C08K5/1545B65D65/46
Inventor 王岸娜吴立根王晓曦竹建德
Owner HENAN UNIVERSITY OF TECHNOLOGY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap