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Dispersible solid preparation for antiseptic and fresh-keeping of fruit, its preparation method and application

A technology of dispersant and fruit, applied in the field of dispersible solid preparations, can solve the problems of strong smell, drug residue, toxicity and so on

Active Publication Date: 2021-03-19
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a dispersible solid preparation for fruit preservation and preservation, thereby overcoming the shortcomings of the current fruit preservation and preservation agents, such as long processing time, strong odor, toxicity and drug residues

Method used

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  • Dispersible solid preparation for antiseptic and fresh-keeping of fruit, its preparation method and application
  • Dispersible solid preparation for antiseptic and fresh-keeping of fruit, its preparation method and application
  • Dispersible solid preparation for antiseptic and fresh-keeping of fruit, its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Wettable powder containing 10% 1-methylcyclopropene and 40% prochloraz

[0042] The selection and ratio of the original drug and additives are: 1-methylcyclopropene microcapsule granule 10%, prochloraz 40%, dispersant polycarboxylate 5%, wetting agent saponin powder 3%, solid carrier Kaolin 42%.

[0043] Preparation methods include:

[0044] 1) Pulverization: 10% prochloraz is mixed with 42% solid carrier kaolin, pulverized; then, 10% 1-methylcyclopropene microcapsules, 5% dispersant polycarboxylate, 3 % of the wetting agent saponin powder is added to the prochloraz and solid carrier kaolin mixed in the above steps, mixed again, pulverized, and mixed again;

[0045] 2) Detection: After the determination of control indicators, when the water in the final product is 2.33%, the pH value is 6.85, the suspension rate is 98.64%, the wetting time is 22.0s, and the fineness (wet sieve, passing through a 45μm test sieve) is 98.8 %, that is, the product is considered qualified...

Embodiment 2

[0047] Wettable powder containing 15% 1-methylcyclopropene and 15% prochloraz

[0048] The selection and ratio of original drug and auxiliary agent are: 1-methylcyclopropene microcapsule granule 15%, prochloraz 15%, dispersant naphthalenesulfonate formaldehyde condensate 5%, wetting agent lauryl sulfate Sodium 3%, solid carrier light calcium carbonate 62%.

[0049] Preparation methods include:

[0050] 1) Pulverization: 15% prochloraz is mixed with 62% solid carrier light calcium carbonate and pulverized; then, 15% 1-methylcyclopropene microcapsules, 5% dispersant naphthalenesulfonic acid Salt formaldehyde condensate, 3% wetting agent sodium lauryl sulfate are added to prochloraz and solid carrier light calcium carbonate mixed in the above steps, mixed again, pulverized, and mixed again;

[0051] 2) Detection: After the determination of control indicators, when the water in the final product is 1.26%, the pH value is 7.05, the suspension rate is 98.92%, the wetting time is 2...

Embodiment 3

[0053] Water-dispersible granules containing 10% 1-methylcyclopropene and 40% prochloraz

[0054] The selection and proportioning of the original drug and additives are: 1-methylcyclopropene microcapsule granule 10%, prochloraz 40%, dispersant sodium lignosulfonate 5.0%, wetting agent Chaku powder 3.0%, disintegrant Decomposing agent ammonium sulfate 6.0%, binder corn starch 5.0%, solid carrier calcined kaolin 31%.

[0055] Preparation methods include:

[0056] 1) Pulverization: 40% prochloraz is mixed with 31% solid carrier calcined kaolin, and pulverized; then, 10% 1-methylcyclopropene microcapsules, 5.0% dispersant sodium lignosulfonate , 3.0% wetting agent tea dry powder, 6.0% disintegrant ammonium sulfate, 5.0% binder cornstarch were added to the mixed prochloraz and solid carrier, mixed again, pulverized, and mixed again;

[0057] 2) Granulation: add 10% absolute ethanol to the crushed material in the above steps for kneading, extrude and granulate through an extrusion...

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Abstract

The invention discloses a dispersable solid preparation for preservation and fresh keeping of fruits as well as a preparation method and application of the dispersable solid preparation. The dispersable solid preparation for preservation and fresh keeping of fruits consists of the following components in percentage by weight of 0.1-50% of 1-methylcyclopropene microcapsule granules, 0.1-50% of prochloraz, 1-10% of a dispersant, 1-6% of a moistening agent and the balance of a solid carrier, wherein the dispersable solid preparation can be moistening powder and water dispersible granules. The dispersable solid preparation can be in contact with fruits after being blended with water, the treatment time is only about 1min, and the treatment time and the treatment requirements are reduced. The dispersable solid preparation is free from an organic solvent, is few in drug residues, has the advantages of being high in efficiency, low in toxins, low in residues and consistent in environment, hasthe fresh-keeping effects of restraining diseases and ethene, can reduce the maturity and rate degree of the fruits, and can overcome the defects that in the prior art, a preservation and fresh keeping agent for fruits is long in treatment time, strong in smell, and has toxins and drug residues.

Description

technical field [0001] The invention belongs to the technical field of fruit fresh-keeping agents, and in particular relates to a dispersible solid preparation for fruit anti-corrosion and fresh-keeping, its preparation method and application. Background technique [0002] At present, the fresh-keeping technologies used for fruits mainly include physical and chemical methods, which control the external factors and self-factors of fruit rot respectively. Among them, the physical methods mainly include: low-temperature storage, controlled atmosphere storage, decompression storage, electromagnetic radiation storage, etc. Among them, the more advanced fresh-keeping technologies mainly include critical low-temperature and high-humidity preservation, intercellular water structured controlled-atmosphere preservation, ozone-adjusted Fresh preservation, low-dose radiation pretreatment preservation, high pressure preservation, cell turgor regulation and preservation, etc. Although th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/154A23B7/157
CPCA23B7/154A23B7/157A23V2002/00A23V2200/10A23V2250/1564A23V2250/1628A23V2250/1578A23V2250/1624A23V2250/5118
Inventor 吴学民郭鑫宇张振华王丽颖徐勇
Owner CHINA AGRI UNIV
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