Liquid preservative for litchi storage and preparation method and use method thereof

A technology of antistaling agent and liquid, which is applied in the field of liquid antistaling agent and preparation for lychee storage, can solve the problems of short shelf life and decline in fruit commodity value, achieve prolonging storage period and shelf life, improve commodity value and economic benefits, and inhibit good effect

Inactive Publication Date: 2016-09-07
黄少伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Postharvest rot is one of the main factors that limit the long-term storage and transportation of litchi, resulting in short shelf life and a decrease in the commodity value of the fruit.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A liquid antistaling agent for litchi storage, the antistaling agent components are: iprodione 500g, pyraclostrobin 100g, 100ppm nano silver sol 100g, ethylene glycol 50g, 3-dodecyloxy-2- Octanoyloxypropyltrimethylammonium chloride 10g, carboxymethyl chitosan 50g, sorbic acid 5g, sodium hyaluronate 10g, carbomer 1g and water 8000g.

[0031] The preparation method of above-mentioned liquid antistaling agent of the present invention is:

[0032] (1) Weigh each component according to the proportioning relationship, add it into a high-speed shearing machine and mix evenly to obtain a mixed material;

[0033] (2) Sand-mill the mixed material in step (1) to obtain the sand-milled slurry, and control the particle size D50 of the sand-milled slurry to be 0.5 μm to 10 μm;

[0034] (3) Homogenizing the sand-milled slurry in step (2) to obtain the preservative.

[0035] The using method of above-mentioned liquid antistaling agent of the present invention is:

[0036] Immerse th...

Embodiment 2

[0038] A liquid antistaling agent for litchi storage, the antistaling agent components are: iprodione 200g, pyraclostrobin 300g, 50ppm nano silver sol 300g, ethylene glycol 100g, 3-dodecyloxy-2- Octanoyloxypropyltrimethylammonium chloride 50g, carboxymethyl chitosan 10g, sorbic acid 10g, sodium hyaluronate 1g, carbomer 5g and water 1000g.

[0039] The preparation method of above-mentioned liquid antistaling agent of the present invention is:

[0040] (1) Weigh each component according to the proportioning relationship, add it into a high-speed shearing machine and mix evenly to obtain a mixed material;

[0041] (2) Sand-mill the mixed material in step (1) to obtain the sand-milled slurry, and control the particle size D50 of the sand-milled slurry to be 0.5 μm to 10 μm;

[0042] (3) Homogenizing the sand-milled slurry in step (2) to obtain the preservative.

[0043] The using method of above-mentioned liquid antistaling agent of the present invention is:

[0044] Immerse th...

Embodiment 3

[0046] A liquid antistaling agent for litchi storage, the antistaling agent components are: 300 g of iprodione, 200 g of pyraclostrobin, 200 g of 100 ppm nano-silver sol, 60 g of ethylene glycol, and sodium dioctyl succinate sulfonate 30g, carboxymethyl chitosan 30g, sorbic acid 6g, sodium hyaluronate 5g, carbomer 2g and water 6000g.

[0047] The preparation method of above-mentioned liquid antistaling agent of the present invention is:

[0048](1) Weigh each component according to the proportioning relationship, add it into a high-speed shearing machine and mix evenly to obtain a mixed material;

[0049] (2) Sand-mill the mixed material in step (1) to obtain the sand-milled slurry, and control the particle size D50 of the sand-milled slurry to be 0.5 μm to 10 μm;

[0050] (3) Homogenizing the sand-milled slurry in step (2) to obtain the preservative.

[0051] The using method of above-mentioned liquid antistaling agent of the present invention is:

[0052] Immerse the harv...

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PUM

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Abstract

The present invention discloses a liquid preservative for litchi storage. The liquid preservative comprises the following components in parts by weight: 20-50 parts of iprodione, 10-30 parts of pyraclostrobine, 10-30 parts of nanometer silver colloid, 5-10 parts of ethylene glycol, 1-5 parts of a surfactant, 1-5 parts of carboxymethyl chitosan, 0.5-1 part of sorbic acid, 0.1-1 part of sodium hyaluronate, 0.1-0.5 part of carbomer and 100-800 parts of water. The present invention also provides a preparation method of the preservative and a method of preserving and treating litchi. By combining the technologies of sterilization and moisture preservation, the liquid preservative can significantly control the occurrences of litchi skin shrinkage and fruit decay, effectively extends the storage period and shelf life of the litchi, and improves the commodity value and economic benefits. The preservative and negative pressure compound soaking treatment are used at the same time, the chemical preservation and physical sterilization are compounded, and the liquid preservative is safe and non-toxic. The preparation method is simple, high-efficient and safe, and suitable for broad prospects.

Description

technical field [0001] The invention relates to the technical field of fruit and vegetable storage and preservation, in particular to a liquid preservative for litchi storage, a preparation method and a use method. Background technique [0002] Litchi (Litchi chinensis Sonn.) belongs to Sapindaceae (Sapindaceae), is a famous fruit native to southern my country, and is one of the most competitive fruits in the international market. Lychee is sweet, sour, warm in nature, enters the heart, spleen, and liver meridian; it can stop hiccups and diarrhea, and is a good food therapy for intractable hiccups and early diarrhea. At the same time, it can nourish the brain and strengthen the spleen. The effect. Because lychee fruit is harvested in high temperature season in midsummer, and its special structure, the peel has scale-like protrusions, bright red and purple red, and the flesh is translucent and creamy when it is fresh, with a delicious taste. It is easy to brown and rot after...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154A23B7/157
CPCA23B7/154A23B7/157A23V2002/00A23V2250/054A23V2250/1562A23V2250/1614A23V2250/511
Inventor 黄少伟
Owner 黄少伟
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