Chitosan-orange peel essential oil composite plastic wrap with bacteriostasis?functions

A technology of orange peel essential oil and composite freshness preservation, which is applied in the direction of fruit and vegetable preservation, food preservation, and protection of fruits/vegetables with coating protection layer, etc. , to achieve the effect of simple preparation method and improved antibacterial effect

Inactive Publication Date: 2014-11-05
SHANGHAI OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, its fresh-keeping effect is not obvious. Because natural plant-derived preservatives have adverse effects on chitosan film formation, there is a lack of natural plant-derived preservatives as additives, and the fresh-keeping and antibacterial effects have not been brought into full play.
Although the preparation methods of some essential oil chitosan films have also been reported in the prior art, due to the difference between the components of orange peel essential oil and general essential oils, the existing methods are difficult to be suitable for the preparation of chitosan-orange peel essential oil antibacterial films

Method used

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  • Chitosan-orange peel essential oil composite plastic wrap with bacteriostasis?functions
  • Chitosan-orange peel essential oil composite plastic wrap with bacteriostasis?functions
  • Chitosan-orange peel essential oil composite plastic wrap with bacteriostasis?functions

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Embodiment

[0020] Take 0.5mL of glacial acetic acid, add to 100mL of water, stir to obtain an aqueous solution of glacial acetic acid; take 1g of chitosan and 0.4g of glycerin, add them to the above aqueous solution of glacial acetic acid, stir well and let stand overnight to completely dissolve, pump Remove bubbles in vacuum to obtain chitosan-glycerin glacial acetic acid aqueous solution (denoted as liquid A); take 0.2g of orange peel essential oil, add it to 10mL of alcohol and Tween-80 mixed solution, magnetically stir to obtain orange peel essential oil-Tween Solution (note B solution); mix the above two solutions AB by 50mL each, mix well, and place for more than 1 day to obtain the chitosan-citrus peel oil compound solution (note C solution). Prepare the above compound solution After that, let it stand for defoaming, cast it in a mold, and place it in an oven at 65°C to dry for a certain period of time, evaporate and remove part of the solvent to make it lose fluidity, and then coag...

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Abstract

The invention discloses a chitosan-orange peel essential oil antibacterial wrap, and a preparation method thereof, wherein the antibacterial wrap contains chitosan and orange peel essential oil. The chitosan-orange peel essential oil antibacterial wrap plays the fresh-keeping effect, improves the bacteriostasis action, and is rich in orange flavor, so that the wrap can be used as the wrap capable of removing peculiar smell in a storage container. The preparation method is simple and synergistic?bacteriostasis effect can be achieved.

Description

Technical field [0001] The invention relates to the technical field of daily chemical products, in particular to a chitosan-orange peel essential oil antibacterial fresh-keeping film and a preparation method thereof. Background technique [0002] The rot caused by pathogenic bacteria in the post-harvest storage of fruits and vegetables is serious. According to incomplete statistics, the loss of the main fruits stored and transported in my country due to post-harvest diseases is 20%-30%. For a long time, people have used treatment measures such as low temperature, air conditioning, and decompression to prevent and control with the use of chemical agents, and the use of chemical agents can lead to pathogen resistance, and more seriously, increase the amount of pesticide residues on fruits and vegetables and endanger human health. . Therefore, the development of natural, high-efficiency, safe, non-toxic, and stable performance natural anti-corrosion materials has attracted increasi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16A23B7/154
Inventor 苑晓许剑锋
Owner SHANGHAI OCEAN UNIV
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