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Litchi fresh-keeping agent and preparation method thereof, and litchi fresh-keeping method

The technology of a preservative and lychee is applied in the field of storage and preservation of fruits and vegetables, which can solve the problems of short shelf life and the decline of fruit commodity value, and achieve the effect of prolonging storage period and shelf life, improving commodity value and economic benefit, and maintaining obvious effects.

Inactive Publication Date: 2016-09-28
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

[0029] A kind of litchi preservative, the preservative components are: iprodione 500g, 100ppm nano-silver sol 100g, ethylene glycol 50g, 3-dodecyloxy-2-octadecanoyloxypropyl trimethyl ammonium chloride 10g, carboxymethyl chitosan / TiO 2 Composite material 50g, glycosyl trehalose 10g, carrageenan 1g and water 8000g.

[0030] The preparation method of above-mentioned fresh-keeping agent of the present invention is:

[0031] (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;

[0032] (2) Sand the mixed material to obtain slurry, and control the particle size D50 of the slurry after sand grinding to 0.5 μm to 10 μm;

[0033] (3) Homogenizing the above slurry to obtain the preservative.

[0034] The using method of above-mentioned fresh-keeping agent of the present invention is:

[0035] Immerse the harvested fresh lychee fruit into the above-mentioned lychee preservative, soa...

Embodiment 2

[0037] A kind of lychee antistaling agent, described antistaling agent component is: the nano-silver sol 300g of iprodione 200g, 50ppm, ethylene glycol 100g, 3-dodecyloxy-2-octadecanoyloxypropyltrimethyl ammonium chloride 50g, carboxymethyl chitosan / TiO 2 Composite material 10g, glycosyl trehalose 50g, carrageenan 5g and water 1000g.

[0038] The preparation method of above-mentioned fresh-keeping agent of the present invention is:

[0039] (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;

[0040] (2) Sand the mixed material to obtain slurry, and control the particle size D50 of the slurry after sand grinding to 0.5 μm to 10 μm;

[0041] (3) Homogenize the slurry after sanding to obtain the antistaling agent.

[0042] The using method of above-mentioned fresh-keeping agent of the present invention is:

[0043] Immerse the harvested fresh lychees into the above-mentione...

Embodiment 3

[0045] A kind of litchi antistaling agent, described antistaling agent component is: the nano-silver sol 200g of iprodione 300g, 100ppm, ethylene glycol 60g, diisooctyl sodium succinate sulfonate 30g, carboxymethyl chitosan / TiO 2 Composite material 30g, glycosyl trehalose 20g, carbomer 2g and water 6000g.

[0046] The preparation method of above-mentioned fresh-keeping agent of the present invention is:

[0047] (1) Weigh each component according to the above proportioning relationship, add it into a high-speed shearing machine and mix evenly to obtain a mixed material;

[0048] (2) Sand the mixed material to obtain a slurry, and control the particle size D50 of the slurry after sanding to 0.5 μm to 10 μm;

[0049] (3) Homogenize the above sanded slurry to obtain the antistaling agent.

[0050]The using method of above-mentioned fresh-keeping agent of the present invention is:

[0051] Immerse the harvested fresh lychees into the above-mentioned lychee preservative, soak ...

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Abstract

The invention relates to the technical field of fruit and vegetable storage and preservation, and discloses a litchi preservation agent. In parts by weight, the preservative components are: 20-50 parts of iprodione, 10-30 parts of nano-silver sol, 5-10 parts of ethylene glycol, 1-5 parts of surfactant, carboxymethyl chitosan Sugar / TiO 2 1-5 parts of composite material, 1-5 parts of glycosyl trehalose, 0.1-0.5 parts of thickener and 100-800 parts of water. Also provided are a preparation method of the above-mentioned antistaling agent, and a method for using the above-mentioned antistaling agent to preserve the litchi. The antistaling agent can significantly control the skin shrinkage and fruit rot of lychees through the combination of sterilization and moisturizing technology, effectively prolong the storage period and shelf life of lychees, and improve commodity value and economic benefits; Treatment, chemical preservation and physical sterilization are combined, safe and non-toxic; the preparation method is simple, efficient and safe, and has broad application prospects.

Description

technical field [0001] The invention relates to the technical field of fruit and vegetable storage and fresh-keeping, in particular to a litchi fresh-keeping agent, a preparation method and a litchi fresh-keeping 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154
CPCA23B7/154
Inventor 黄少伟
Owner 黄少伟
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