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Light-induced titanium dioxide multi-site chelated silver, zinc and copper nano multi-micro phase fruit preservative

A titanium dioxide, multi-site technology, applied in the direction of fruit and vegetable preservation, food preservation, food ingredients as antimicrobial preservation, etc., can solve the problem of poor antibacterial properties of chitosan film materials, and achieve the purpose of inhibiting the growth of bacteria, strong Antibacterial and antibacterial effect, the effect of preventing the invasion of viruses

Inactive Publication Date: 2018-12-18
XIHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of single-component chitosan membrane materials is limited due to their poor antibacterial properties
No prior reports have been seen so far

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] This embodiment provides a specific preparation process of a light-induced titanium dioxide multi-site chelated silver-zinc-copper nano-multi-microphase fruit preservative, including the following:

[0037] 1) Preparation of multi-phase mixture of fruit and vegetable peel extracts and wine

[0038] Weigh 15g of lemon peel extract, 18g of pomegranate peel extract and 12g of bitter melon extract, first use a high-pressure multi-functional ultrafine pulverizer to ultrafinely pulverize and mix the mixture uniformly at 0-5°C, and the processing time is 20- After 45 minutes, add 100mL of 56% white wine, soak for 12-18h at 0-5°C, then use a nano-grinder for 10-15 hours at a low temperature and nano-grind at 2-5°C, and set aside.

[0039] 2) Preparation of multi-microphase mixture of fruit and vegetable seed extracts and fruit and vegetable seed essential oils

[0040] Weigh 7g of lemon seed extract, 6g of pomegranate seed extract and 13g of mango seed extract, first use a hig...

Embodiment 2

[0046] This embodiment provides a specific preparation process of a light-induced titanium dioxide multi-site chelated silver-zinc-copper nano-multi-microphase fruit preservative, including the following:

[0047] 1) Preparation of multi-phase mixture of fruit and vegetable peel extracts and wine

[0048] Weigh 10g of lemon peel extract, 13g of pomegranate peel extract and 8g of bitter melon extract, first use a high-pressure multifunctional ultrafine pulverizer to ultrafinely pulverize and mix the mixture uniformly at 0-5°C, and the processing time is 20- After 45 minutes, add 100mL of 56% white wine, soak for 12-18h at 0-5°C, then use a nano-grinder for 10-15 hours at a low temperature and nano-grind at 2-5°C, and set aside.

[0049] 2) Preparation of multi-microphase mixture of fruit and vegetable seed extracts and fruit and vegetable seed essential oils

[0050] Weigh 4g of lemon seed extract, 3g of pomegranate seed extract and 8g of mango seed extract, first use a high-p...

Embodiment 3

[0056] This embodiment provides a specific preparation process of a light-induced titanium dioxide multi-site chelated silver-zinc-copper nano-multi-microphase fruit preservative, including the following:

[0057] 1) Preparation of multi-phase mixture of fruit and vegetable peel extracts and wine

[0058] Weigh 12g of lemon peel extract, 15.5g of pomegranate peel extract and 9.6g of balsam pear extract, first use a high-pressure multifunctional ultrafine pulverizer to carry out ultrafine pulverization and uniform mixing of the mixture under the condition of 0-5°C, and the processing time is 20-45 minutes, then add 100mL of 56% white wine, soak at 0-5°C for 12-18h, then use a nano-grinder at 2-5°C for 10-15 hours for low-temperature nano-grinding, and set aside.

[0059] 2) Preparation of multi-microphase mixture of fruit and vegetable seed extracts and fruit and vegetable seed essential oils

[0060] Weigh 5.5g of lemon seed extract, 4.2g of pomegranate seed extract and 10.3g...

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Abstract

The present invention provides a light-induced titanium dioxide multi-site chelated silver, zinc and copper nano multi-micro phase fruit preservative. The light-induced titanium dioxide multi-site chelated silver, zinc and copper nano multi-micro phase fruit preservative comprises 10-15 g of a lemon peel extract, 13-18 g of a pomegranate peel extract, 8-12 g of a bitter gourd extract, 4-7 g of a lemon seed extract, 3-6 g of a pomegranate seed extract, 8-13 g of a mango seed extract, 3-5 g of nano titanium dioxide, 4-7 g of nano zinc oxide, 1.2-1.8 g of nano silver, 0.8-1.6 g of nano copper, 0.3-0.75 g of chitosan, 2.5-3.7 g of diatomaceous earth, 1.2-2.5 g of sodium alginate and 3.1-4.5 g of sweet potato cellulose. The preservative can be applied to each link of a whole industrial chain offruit post-harvest pre-cooling, low-temperature storing, transporting, selling, etc., and is long-lasting in effect, safe and convenient, and broad in application and business prospects.

Description

technical field [0001] The invention belongs to the technical field of fresh-keeping of fruits and vegetables, and in particular relates to a light-induced titanium dioxide multi-site chelated silver-zinc-copper nanometer multi-microphase fruit fresh-keeping agent. Background technique [0002] Postharvest antibacterial preservation of fruits and vegetables has always been a research hotspot in the field of international agriculture. Fungal diseases such as Penicillium and Aspergillus seriously affect the postharvest storage quality of citrus, pomegranate and other fruits, and the loss due to rot and other problems is as high as 40%-50%. For example, Penicillium is the main pathogenic bacterium of Penicillium in citrus fruits and other fruits. How to inhibit or kill the pathogenic bacteria such as Penicillium is the key to keeping fruits and vegetables fresh after harvesting. Coating fresh-keeping is a key technology to control fruit rot with low temperature and other means....

Claims

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Application Information

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IPC IPC(8): A23B7/16A23B7/154A23B7/157
CPCA23B7/154A23B7/157A23B7/16A23V2002/00A23V2200/10A23V2250/1588A23V2250/1562A23V2250/21A23V2250/5026A23V2250/511A23V2250/5116A23V2250/022
Inventor 许青莲邢亚阁郭训练杨华李文秀李宣林税玉儒毕秀芳刘晓翠马嫄
Owner XIHUA UNIV
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