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Preparation method of sucrose zinc complex

A technology of complex and sucrose, applied in the field of complex, can solve the problem of high cost of use, and achieve the effects of improving production efficiency, good stability and good solubility

Active Publication Date: 2019-01-18
南宁市泽威尔饲料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, although the bioavailability of amino acid complexed (chelated) trace elements synthesized by lysine, methionine, glycine, etc. with higher prices is higher, its use cost is also relatively high, especially in the current highly competitive feed market. Under the environment, the need to reduce the cost of use is increasingly prominent

Method used

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  • Preparation method of sucrose zinc complex

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Experimental program
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Effect test

Embodiment 1

[0036] The preparation method of sucrose zinc complex comprises the steps:

[0037] Step 1. Add 25 parts by weight of sucrose to the reaction kettle, add 40 parts by weight of water to dissolve the sucrose, add aqueous sodium hydroxide solution to alkalinize, and adjust the pH of the solution to 11;

[0038] Step 2, heating the reaction kettle, keeping the temperature in the kettle at 65°C, and then adding 85 parts by weight of zinc sulfate heptahydrate for complexation reaction for 1 hour, stirring continuously during the reaction process to generate zinc sucrose solution, cooling, filtering and separating to obtain filter residue and filtrate;

[0039] Step 3, according to the weight ratio of filtrate: 75% ethanol aqueous solution = 1: 2, add 75% ethanol aqueous solution to carry out normal temperature precipitation, the precipitation time is 1.5 hours, the precipitate is subjected to centrifugal suction filtration, and the waste water obtained is recycled, and the precipitat...

Embodiment 2

[0043] The preparation method of sucrose zinc complex comprises the steps:

[0044] Step 1. Add 28 parts by weight of sucrose to the reaction kettle, add 45 parts by weight of water to dissolve the sucrose, add aqueous sodium hydroxide solution to alkalinize, and adjust the pH of the solution to 11;

[0045] Step 2, heating the reaction kettle, keeping the temperature in the kettle at 70°C, and then adding 95 parts by weight of zinc sulfate heptahydrate for complexation reaction for 1.5 hours, stirring continuously during the reaction process, generating a zinc sucrose solution, cooling, filtering and separating to obtain filter residue and filtrate;

[0046] Step 3, according to the weight ratio of filtrate: 75% ethanol aqueous solution = 1: 2, add 75% ethanol aqueous solution to carry out normal temperature precipitation, the precipitation time is 2 hours, the precipitate is subjected to centrifugal suction filtration, and the waste water obtained is recycled, and the precipi...

Embodiment 3

[0050] The preparation method of sucrose zinc complex comprises the steps:

[0051] Step 1. Add 32 parts by weight of sucrose to the reaction kettle, add 50 parts by weight of water to dissolve the sucrose, and then alkalize the solution by adding aqueous sodium hydroxide solution to adjust the pH of the solution to 12;

[0052] Step 2, heating the reaction kettle, keeping the temperature in the kettle at 75°C, and then adding 100 parts by weight of zinc sulfate heptahydrate for complexation reaction for 2 hours, stirring continuously during the reaction process to generate zinc sucrose solution, cooling, filtering and separating to obtain filter residue and filtrate;

[0053] Step 3, according to the weight ratio of filtrate: 75% ethanol aqueous solution = 1: 2, add 75% ethanol aqueous solution to carry out normal temperature precipitation, the precipitation time is 3 hours, the precipitate is subjected to centrifugal suction filtration, and the waste water obtained is recycle...

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Abstract

The invention discloses a preparation method for saccharose zinc complex. Saccharose and heptahydrate are subjected to a complex reaction, and a saccharose zinc solution is obtained; then, the saccharose zinc solution is cooled and filtered, filter residues and filtrate are obtained, ethanol water is added into the filtrate, complex precipitates, precipitate is subjected to centrifugal suction filtration and vacuum drying to be dried, and a pure saccharose complex zinc product is obtained; the zinc ion concentration of the filter residues is detected, according to the molar ratio being 1:4 of saccharose and zinc ions, saccharose and heptahydrate continue to be added, waste water obtained after centrifugal suction filtration is returned to a reaction kettle to serve as mother liquid for dissolving saccharose, a circular reaction is conducted, and saccharose zinc continues to be generated. In the process of preparing the saccharose zinc, no resources are wasted, the production cost is reduced, and the production efficiency is improved. The obtained saccharose zinc has the advantages of being safe, efficient and high in cost performance and can be applied to production of animal feed with comprehensive nutrition.

Description

technical field [0001] The invention relates to a complex, especially a sucrose-zinc complex and a preparation method thereof, and discloses its use. Background technique [0002] Zinc is an essential trace element for animals. It is not only necessary to maintain the growth and development of animals, but also the key to the normal development of the animal immune system and the maintenance of immune functions. Zinc is a component or activator of various enzymes in animals, including alkaline phosphatase, carbonic anhydrase, alcohol dehydrogenase, lactate dehydrogenase, glutamate dehydrogenase and carboxypeptidase, etc. Zinc and Ribonucleic acid, deoxyribonucleic acid, and protein biosynthesis are closely related, and zinc is also a component of insulin. When animals are deficient in zinc, they manifest as loss of appetite and growth retardation, followed by incomplete keratinization of the skin. Zinc deficiency also affects the development of animal bones and deforms long...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07H23/00C07H1/00A23K20/163A23K20/20
CPCC07H1/00C07H23/00
Inventor 周建群
Owner 南宁市泽威尔饲料有限责任公司
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