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Preparation method and application of isoleucine chelated metal

A technology of isoleucine and metals, which is applied in the field of preparation of amino acid chelates, can solve the problems that cannot be applied to large-scale production of feed

Active Publication Date: 2021-02-26
XINGJIA BIO ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is only suitable for theoretical research and cannot be applied to large-scale production of feed

Method used

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  • Preparation method and application of isoleucine chelated metal
  • Preparation method and application of isoleucine chelated metal
  • Preparation method and application of isoleucine chelated metal

Examples

Experimental program
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Embodiment 1

[0068] A method for preparing zinc isoleucine, comprising the following steps: start stirring, add 535.4Kg of isoleucine with a purity of 98% to 2.5t of water for dissolution, then raise the temperature to 50°C, slowly add 47% zinc Zinc chloride 278.3Kg, control the pH value to 5.5, react for 2.5 hours, after the reaction, cool the reaction system below 40°C, crystallize, separate by centrifugal filtration, wash with water 3 times, and dry in the oven to obtain zinc isoleucine 604.8 Kg.

[0069] In this embodiment, the measured isoleucine content in zinc isoleucine products is 77.0%, Zn 2+ It is 19.3%, the water loss rate at 104°C is 3.6%, that is, the purity is 96.3%, and the yield is 89.4% based on isoleucine, that is, the molar ratio of isoleucine to zinc is about 2:1, and the molecular formula is Zn(C 6 h 12 NO 2 ) 2 .

Embodiment 2

[0071] A method for preparing manganese isoleucine, comprising the following steps: start stirring, add 2.7 tons of isoleucine hydrochloride aqueous solution with a concentration of 25% into the reaction kettle, heat up to 85°C, slowly add manganese content of 31 % manganese sulfate monohydrate 354Kg, after adding 100L glycerol, control the pH value to 6.0, react for 2.5h, after the reaction, cool the reaction system to below 40°C, wash with water 3 times after separation by centrifugal filtration, and dry in the oven. 643Kg of manganese isoleucine was obtained.

[0072] In the present embodiment, it is measured that the isoleucine content in the isoleucine zinc product is 75.7%, Mn 2+ It is 16.0%, the water loss rate at 104°C is 8.2%, that is, the purity is 91.7%, and the yield is 93.5% based on isoleucine, that is, the molar ratio of isoleucine to manganese is about 2:1, and the molecular formula is Mn(C 6 h 12 NO 2 ) 2 .

Embodiment 3

[0074] A method for preparing zinc isoleucine, comprising the following steps: start stirring, add 2.7 tons of isoleucine hydrochloride aqueous solution with a concentration of 25% into the reaction kettle, add 185L of isopropanol, and heat up to 78°C , slowly add 226Kg of basic zinc chloride with a zinc content of 58%, control the pH value to 8.0, and react for 1.5h. After the reaction is completed, the reaction system is cooled to below 40°C to crystallize, centrifugally filtered and separated, washed with water for 3 times, and dried in a drying room Dry to obtain zinc isoleucine 609Kg.

[0075] In the present embodiment, it is measured that the isoleucine content in the isoleucine zinc product is 76.9%, Zn 2+ It is 19.3%, the water loss rate at 104°C is 3.8%, that is, the purity is 96.2%, and the yield is 89.9% based on isoleucine, that is, the molar ratio of isoleucine to zinc is about 2:1, and the molecular formula is Zn(C 6 h 12 NO 2 ) 2 .

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Abstract

The invention discloses a preparation method of isoleucine chelate metal, which comprises the following steps: dissolving isoleucine radical-containing substances while stirring, adding a metal source, heating to react, cooling the reaction system, crystallizing, filtering, separating, washing and drying to obtain the isoleucine chelate metal. The invention also provides an application of the isoleucine chelate metal as an animal feed additive in animals, the isoleucine chelate metal is prepared by the preparation method, and the animals are pigs, birds, ruminants or aquatic animals. The preparation method has the advantages of high chemical reaction rate, high product yield, high product purity and the like.

Description

technical field [0001] The invention belongs to the field of animal feed additives, in particular to a preparation method and application of an amino acid chelate. Background technique [0002] The trace element zinc is one of the essential trace elements for animals. It has always been compared to the "life element" of animals. People have gradually discovered that zinc is a component of more than 200 metalloenzymes, hormones and insulin in the animal body, and has the following functions: (1) Prevent intestinal cell chloride ion extravasation, reduce NO secretion, protect the tight structure of intestinal biofilm and intercellular spaces, accelerate wound healing, and have anti-diarrheal effects; (2) Zinc is a nutrient for the development of the immune organ thymus, Only sufficient zinc can effectively ensure thymus development, normal differentiation of T lymphocytes, and promote cellular immune function; (3) Zinc is an important component of superoxide dismutase CuZn-SOD...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C227/18C07C229/76A23K20/24A23K20/20A23K20/142
CPCC07C227/18A23K20/142A23K20/30A23K20/24C07C229/76Y02E60/10
Inventor 向阳葵王赏初彭红星王惠云陈光伟
Owner XINGJIA BIO ENG CO LTD
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