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An antibacterial packaging material of ready-to-eat seaweed with identification label for shelf life indication

A technology for packaging materials and instructions, applied in packaging, wrapping paper, biological packaging, etc., to achieve the effects of easy preparation, high safety, and low production cost

Active Publication Date: 2020-06-16
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at present, there is no ready-to-eat seaweed packaging material on the market that can eliminate most microorganisms to prolong the shelf life of seaweed and indicate the edibility of seaweed

Method used

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  • An antibacterial packaging material of ready-to-eat seaweed with identification label for shelf life indication
  • An antibacterial packaging material of ready-to-eat seaweed with identification label for shelf life indication
  • An antibacterial packaging material of ready-to-eat seaweed with identification label for shelf life indication

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A packaging material for ready-to-eat seaweed that recognizes shelf life indication labels and antibacterial functions. The packaging material is made by adding lysozyme to polyethylene plastic film to make an instant seaweed packaging film with antibacterial effect, and on the basis of it, adding the ability to quickly identify Preparation of pH-indicating label of carrageenan-curcumin complex for ready-to-eat seaweed shelf life.

[0029] A preparation method for identifying shelf life indication labels and instant seaweed packaging materials with antibacterial function, comprising the following steps:

[0030] (1) Production of polyethylene film

[0031] The polyethylene plastic granules are made into a plastic film by a film blowing machine, and the film is cut into 90*135mm films with a cutting machine according to the packaging requirements of instant seaweed.

[0032] (2) Packaging materials with lysozyme added

[0033] Soak the polyethylene film in a 0.1 g / L ly...

Embodiment 2

[0037] A packaging material for ready-to-eat seaweed that recognizes shelf life indication labels and antibacterial functions. The packaging material is made by adding lysozyme to polyethylene plastic film to make an instant seaweed packaging film with antibacterial effect, and on the basis of it, adding the ability to quickly identify Preparation of pH-indicating label of carrageenan-curcumin complex for ready-to-eat seaweed shelf life.

[0038] A method for preparing an instant seaweed packaging material for identifying a shelf life indication label and an antibacterial function, comprising the following steps:

[0039] (1) Production of polyethylene film

[0040] The polyethylene plastic granules are made into a plastic film by a film blowing machine, and the film is cut into a film of 90*135mm by a cutting machine according to the packaging requirements of instant seaweed;

[0041] (2) Antibacterial packaging materials

[0042] Soak the polyethylene film in a 0.3 g / L lys...

Embodiment 3

[0046] A packaging material for ready-to-eat seaweed that recognizes shelf life indication labels and antibacterial functions. The packaging material is made by adding lysozyme to polyethylene plastic film to make an instant seaweed packaging film with antibacterial effect, and on the basis of it, adding the ability to quickly identify Preparation of pH-indicating label of carrageenan-curcumin complex for ready-to-eat seaweed shelf life.

[0047] A method for preparing an instant seaweed packaging material for identifying a shelf life indication label and an antibacterial function, comprising the following steps:

[0048] (1) Production of polyethylene film

[0049] The polyethylene plastic granules are made into a plastic film by a film blowing machine, and the film is cut into a film of 90*135mm by a cutting machine according to the packaging requirements of instant seaweed;

[0050] (2) Antibacterial packaging materials

[0051] Soak the polyethylene film in a 0.5 g / L lys...

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PUM

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Abstract

The invention discloses an instant seaweed antibacterial packaging material with a shelf life indicator label, and belongs to the technical field of food packaging. According to the instant seaweed antibacterial packaging material, a polyethylene film is soaked in a lysozyme solution with the concentration being 0.5 g / L to obtain the packaging material which is capable of inhibiting the growth ofmicroorganisms, preventing the microorganisms from multiplying on the surface of the packaging material, retaining the original flavor and nutrients of the food, and ensuring the quality and safety ofthe food; and meanwhile, a pH indicator label is produced and attached to the packaging material so that the shopper can distinguish the edible period of the seaweed conveniently without eating by mistake. The packaging material not only helps the consumer to conveniently select the food, but also can ensure the safety of the food and prolong the shelf life thereof.

Description

technical field [0001] The invention belongs to the field of food packaging, and in particular relates to an instant seaweed antibacterial packaging material with an indication label for identifying shelf life. Background technique [0002] Instant seaweed concentrates various B vitamins in seaweed, especially riboflavin and niacin, as well as a lot of vitamin A and vitamin E, and a small amount of vitamin C. Seaweed contains about 15% minerals, including potassium, calcium, magnesium, phosphorus, iron, zinc, copper, manganese, etc. necessary for maintaining normal physiological functions, and the content of selenium and iodine is particularly rich, which can meet the nutritional needs of consumers. need. The benefits of instant seaweed are not only in terms of nutrition, but its health effects are even more admirable. British researchers discovered in the 1990s that seaweed can kill cancer cells and enhance immunity. The phycobiliprotein contained in seaweed has the appl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D65/40G09F3/02C08J5/18C08J7/12C08L29/04
CPCB65D65/40C08J5/18C08J7/12C08J2329/04G09F3/02G09F2003/0257Y02W90/10
Inventor 胡嘉淼林以琳林少玲曾绍校黄志伟郑宝东
Owner FUJIAN AGRI & FORESTRY UNIV
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