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Preparation method of rapid-dry and stable type edible fresh-keeping fruit wax

A stable and fresh-keeping fruit technology, applied in the direction of protecting fruits/vegetables with a coating protective layer, which can solve the problems of poor stability and mechanical properties of fresh-keeping fruit wax, more residual preservatives and sterilizers, and slow drying speed, etc. problems, to achieve high mechanical strength, simple preparation steps, and improve the drying rate

Inactive Publication Date: 2017-05-17
唐林元
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention: Aiming at the problems that the currently prepared fresh-keeping fruit wax has poor stability and mechanical properties, slow drying speed, and many residual preservatives and sterilizers added at the same time, causing harm to the human body, it provides A method for extracting volatile essential oils from eucalyptus leaves, which has strong volatility and its own antibacterial properties, effectively inhibits bacterial growth, and at the same time enhances the drying rate of fruit wax after use. The invention removes wax and bleaches traditional shellac, Effectively remove the free hydroxyl and carboxyl groups in shellac, enhance the strength and antioxidant properties of shellac, and at the same time decolorize it and enhance its luster as fruit wax, which has broad application prospects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0016] First collect fresh eucalyptus leaves, wash them and dry them naturally, then dry them at 75°C for 6h, collect dry eucalyptus leaves, grind them and sieve them, and collect 90 mesh eucalyptus leaves powder, in a mass ratio of 1: 10. Stir and mix the eucalyptus leaf powder and deionized water, raise the temperature and heat to boiling for 1 hour, then stop heating and let the layers stand for 6 hours, separate and collect the upper oil phase, and prepare the eucalyptus leaf essential oil for later use; the mass ratio is 1:5 , Stir and mix shellac particles and 2% sodium carbonate solution by mass fraction, stir and mix at 65°C for 10 minutes, then let it stand to cool to room temperature, and after standing for 1 hour, collect the wax removal mixed solution, and calculate in parts by weight, Weigh 45 parts of the wax-removing mixed solution, 10 parts of mass fraction 10% hydrogen peroxide solution and 1 part of sodium citrate in a beaker, stir and mix at room temperature ...

example 2

[0019] First collect fresh eucalyptus, wash it and dry it naturally, then dry it at 77°C for 7h, collect dry eucalyptus, grind it and sieve it, collect 95 mesh eucalyptus powder, by mass ratio 1: 10. Stir and mix the eucalyptus leaf powder and deionized water, raise the temperature and heat to boiling for 2 hours, then stop heating and let the layers stand for 7 hours, separate and collect the upper oil phase, and prepare the eucalyptus leaf essential oil for later use; the mass ratio is 1:5 , Stir and mix shellac particles and 2% sodium carbonate solution by mass fraction, stir and mix at 67°C for 12min, then let it stand to cool to room temperature, after standing for 1h, collect the wax removal mixed solution, and calculate in parts by weight, Weigh 47 parts of wax-removing mixed solution, 13 parts of mass fraction 10% hydrogen peroxide solution and 2 parts of sodium citrate and place them in a beaker, stir and mix at room temperature for 1 hour, and prepare the mixed soluti...

example 3

[0022] First collect fresh eucalyptus leaves, wash them and dry them naturally, then dry them at 80°C for 8 hours, collect dry eucalyptus leaves, grind them and sieve them, and collect 100 mesh eucalyptus leaf powders, in a mass ratio of 1: 10. Stir and mix the eucalyptus leaf powder and deionized water, raise the temperature and heat to boiling for 2 hours, then stop heating and let the layers stand for 8 hours, separate and collect the upper oil phase, and prepare the eucalyptus leaf essential oil for later use; the mass ratio is 1:5 , Stir and mix the shellac particles with a mass fraction of 2% sodium carbonate solution, stir and mix at 70°C for 15 minutes, then let it stand to cool to room temperature, and after standing for 2 hours, collect the wax-removing mixed solution, and calculate in parts by weight, Weigh 50 parts of wax-removing mixed solution, 15 parts of mass fraction 10% hydrogen peroxide solution and 2 parts of sodium citrate in a beaker, stir and mix at room ...

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Abstract

The invention relates to a preparation method of rapid-dry and stable type edible fresh-keeping fruit wax and belongs to the technical field of preparation of fruit wax. Aiming at the problems of an existing prepared fresh-keeping fruit wax that the stability and mechanical properties are relatively poor, the drying speed is relatively slow, more preservatives and sterilizing agents are added and injuries to human bodies are caused, volatile essential oil extracted from folium eucalypti has a strong volatilization performance and a self antibacterial performance; the breeding of bacteria is effectively inhibited; meanwhile, the drying speed is improved after the fruit wax is used; traditional red lac is dewaxed and bleached and free carboxyl and hydroxyl in the red lac are effectively removed; the strength and anti-oxidization performance of the red lac are enhanced; meanwhile, the red lac is de-colored so that the luster of the fruit wax is enhanced; the fruit wax has a wide application prospect.

Description

technical field [0001] The invention relates to a preparation method of fast-drying and stable edible fresh-keeping fruit wax, which belongs to the technical field of fruit wax preparation. Background technique [0002] Fruit wax, also known as fruit coating agent, is a food additive that is allowed to be used worldwide. It is coated on the surface of fruits to preserve quality, keep fresh, inhibit water evaporation, prevent microbial invasion, increase the smoothness and brightness of fruit surfaces, and improve the sensory quality of fruits. effect. Fruit wax, also known as fruit coating agent, can be divided into liquid wax and solid wax according to its form. Most of the beeswax used in my country in the early stage and the paraffin wax used in the last century are solid coating agents. In modern European and American countries, almost all of them use liquid wax on general waxing machines. According to the nature of the solvent, fruit wax is divided into alcohol-solub...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16
CPCA23B7/16
Inventor 唐林元韩彪
Owner 唐林元
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