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Process using hair keratin to prepare amino acid chelate

A keratin and amino acid technology, applied in the chemical industry, can solve the problems of increasing the cost of animal and plant products, low utilization rate of amino acids, and large product consumption, and achieves the effects of improving feed remuneration, improving immunity, and reducing residues

Inactive Publication Date: 2014-09-17
峨眉山市龙腾生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are many preparation methods of amino acids, the main disadvantage of which is that the cost of protein raw materials used in the market is relatively high, which increases the cost of animal and plant products; secondly, the utilization rate of amino acids after hydrolysis is very low in the prior art , the product consumption is relatively large; in addition, the existing production of free amino acid technology has a large amount of sewage and serious environmental pollution. At the same time, only a few percent of amino acid chelated elements are used in domestic planting and breeding industries, and its development prospects are broad.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Step 1. The hydrolysis reaction of hair and other keratin protein is to clean the hair and other keratin protein, and then put it into the enamel reaction kettle according to the weight ratio, hair:acid=1:1.5, and the acid used is 30%-32% in mass concentration hydrochloric acid, heated up to 110°C, under normal pressure, kept in a slightly boiling state, hydrolyzed for 7 hours, and the hydrolyzed product after hydrolysis was put into the neutralization tank; step 2 was to open the cooling water and keep the temperature in the neutralization tank below 45°C , start stirring, add liquid sodium hydroxide with a mass concentration of 32%-42%, neutralize the feed liquid to a pH value of 4.8-5, stop stirring, and let it stand for 72 hours; Filter in the plate and frame filter, remove the filter residue, and the filtrate is for standby; the chelation reaction in step 3 is to use the amino acid analyzer to measure the amino acid content in the filtrate obtained in step 2 for the...

Embodiment 2

[0029] Step 1. The hydrolysis reaction of hair and other keratin protein is to clean the hair and other keratin protein, and then put it into the enamel reaction kettle according to the weight ratio, hair:acid = 1:2, and the acid used is 30%-32% in mass concentration hydrochloric acid, heated up to 110°C, under normal pressure, kept in a slightly boiling state, hydrolyzed for 6 hours, and the hydrolyzed product after hydrolysis was put into the neutralization tank; step 2 was to open the cooling water and keep the temperature in the neutralization tank below 45°C , start stirring, add ammonia water with a mass concentration of 17%-20%, neutralize the feed liquid to a pH value of 4.8-5, stop stirring, and let it stand for 60 hours; put the feed liquid that has been neutralized for a period of time into the plate frame Filtrate in the filter, remove the filter residue, and the filtrate is ready for use; the chelation reaction in step 3 is to first use an amino acid analyzer to me...

Embodiment 3

[0031] Step 1. The hydrolysis reaction of hair and other keratin protein is to clean the hair and other keratin protein, and then put it into the enamel reaction kettle according to the weight ratio, hair:acid=1:4, and the acid used is 30%-32% in mass concentration hydrochloric acid, heated to 105--115°C, under normal pressure, kept in a slightly boiling state, hydrolyzed for 5 hours, and the hydrolyzed product after hydrolysis was put into the neutralization tank; step 2 was to open the cooling water and keep the temperature in the neutralization tank low At 45°C, start stirring, add liquid sodium hydroxide with a mass concentration of 32%-42%, neutralize the feed liquid to a pH value of 4.8-5, stop stirring, and let it stand for 80 hours; The feed liquid is put into a plate-and-frame filter for filtration, the filter residue is removed, and the filtrate is used for later use; the chelation reaction in step 3 is for the filtrate obtained in step 2. First, use an amino acid ana...

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Abstract

The invention relates to a process using hair keratin protein to prepare amino acid chelate, and the process comprises the following steps: step one, hair keratin hydrolysis reaction; step two, neutralization and filtering of hydrolysis product obtained by step one; step three, chelating reaction; and step four, amino acid chelate product preparation. The process using the hair keratin protein to prepare the amino acid chelate is simple and scientific in design, greatly shortens the hydrolysis reaction time, improves the yield per unit time, and saves cost. At the same time, the process meets balanced element use of crops and animals, improves the production performance, can improve the crop yield and the content of amino acids, sugars and other quality related indexes, and reduces the residue to protect the ecological environment.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a method for preparing amino acid chelate (complex) compound by using hair keratin protein. Background technique [0002] In the process of plant growth, amino acids have the function of replenishing organic nitrogen nutrients, chelating metal ions, promoting and catalyzing the synthesis of various enzymes in plants. Amino acids can be passively and directly absorbed by plants. Good nutrition has been paid more and more attention by human beings. The main component of hair is protein, which can be hydrolyzed into polypeptides, which can be further hydrolyzed into about 17 kinds of amino acids. Human and animal hairs are rich in sources in daily life. How to effectively use these resources is a problem worthy of widespread attention. [0003] At present, there are many preparation methods of amino acids, the main disadvantage of which is that the cost of pro...

Claims

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Application Information

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IPC IPC(8): C07C229/76C07C227/18
Inventor 陈云鲁成宪
Owner 峨眉山市龙腾生物科技有限公司
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