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A processing method for producing amino acid by using (supercritical) near-critical hydrolyzed biomass

A process method and biomass technology, applied in the direction of cyanide reaction preparation, organic compound preparation, chemical instruments and methods, etc., can solve the problems of sensitive environmental conditions, environmental pollution, large consumption of water resources, etc.

Inactive Publication Date: 2009-03-04
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of acid hydrolysis is that tryptophan will be completely destroyed by acid, and a small part of serine, threonine and tyrosine will also be decomposed
The disadvantage of alkaline hydrolysis is that a variety of amino acids will be damaged to varying degrees during the hydrolysis process, and racemization is prone to occur, and the resulting product is a mixture of D-amino acids and L-amino acids
Whether it is acid hydrolysis or alkali hydrolysis, it will cause great pollution to the environment, and the consumption of water resources in the process of acid-base neutralization is relatively large
The disadvantage of enzyme-catalyzed hydrolysis is that the hydrolysis is often incomplete when using one enzyme, and the synergistic action of several enzymes is required to completely hydrolyze the protein.

Method used

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  • A processing method for producing amino acid by using (supercritical) near-critical hydrolyzed biomass
  • A processing method for producing amino acid by using (supercritical) near-critical hydrolyzed biomass
  • A processing method for producing amino acid by using (supercritical) near-critical hydrolyzed biomass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The hydrolysis process and steps of the present embodiment are as follows:

[0023] (1) Select 100g fish meat as raw material, first crush it, then add deionized water to make it volume reach 2 liters, stir and mix, then send it to a beater for beating, then put it into a colloid mill for emulsification to generate a milk slurry ;

[0024] (2) Send the above-mentioned milk slurry to a (super) near-critical water reactor for hydrolysis; use air to sweep the kettle body and pipelines, empty and leak in advance; use air as the reaction atmosphere;

[0025] (3) Get 180 milliliters of fish slurry and send it into a reactor with a volume of 200 milliliters; energize and heat, so that the fish slurry in the (super) near-critical water reactor is hydrolyzed; the reaction temperature is controlled at 220° C., and the reaction pressure is 18 MPa , the reaction time is 40 minutes.

[0026] The finally obtained hydrolyzate was analyzed with an amino acid analyzer for the amino ac...

Embodiment 2

[0034] The hydrolysis process and steps of the present embodiment are as follows:

[0035] (1) Select 100g of pork as raw material, first crush it, then add deionized water to make it volume reach 2 liters, stir and mix, then send it to a beater for beating, and then put it into a colloid mill for emulsification to generate a milk slurry ;

[0036] (2) The above-mentioned milk slurry is sent to a (super) near-critical water reactor for hydrolysis; the reactor body and pipelines are cleaned, emptied and leak detected with nitrogen in advance; nitrogen is used as the reaction atmosphere;

[0037] (3) Get 180 milliliters of pork slurry and send it into a reactor with a volume of 200 milliliters; power on and heat, so that the pork slurry in the (super) near-critical water reactor is hydrolyzed; the reaction temperature is controlled at 280° C., and the reaction pressure is 25 MPa , the reaction time is 10 minutes.

[0038] The finally obtained hydrolyzate was analyzed with an a...

Embodiment 3

[0046] The hydrolysis process and steps of the present embodiment are as follows:

[0047] (1) Choose 100g chicken as raw material, first crush it, then add deionized water to make it volume reach 2 liters, stir and mix, then send it to a beater for beating, then put it into a colloid mill for emulsification to generate a milk slurry ;

[0048] (2) Send the above-mentioned milk slurry to a (super) near-critical water reactor for hydrolysis; use carbon dioxide gas to carry out line sweeping, emptying and leak detection on the kettle body and pipeline in advance; use carbon dioxide gas as the reaction atmosphere;

[0049] (3) getting 180 milliliters of chicken milk slurry and sending it into a reactor with a volume of 200 milliliters; energized heating, so that the chicken milk slurry in the (super) near-critical water reactor is hydrolyzed; It is 15MPa, and the reaction time is 20 minutes.

[0050] The finally obtained hydrolyzate was analyzed with an amino acid analyzer for ...

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Abstract

The invention relates to a technique of amino acids'preparation which using (super) approximate critical hydrolysis biomass, belonging to organic biology processing technological realm. This invention using animal biomass as material, after disintegration, mixing with deionized water of finite proportion, and then beating by beater, emulsifications by colloidal mill, carrying into (super) approximate critical water autoclave for hydrolysis. The hydrolysis technological conditions are: controlling reaction temperature between 220-300deg C, reaction pressure is 5-25Mpa, reaction time is 10-40min. According to different raw materal, in order to avoid amino acid oxidation, using air, nitrogen and carbon dioxide as reaction atmosphere seperatly, doing (super) approximate critical hydrolysis by control reaction condition. The method of this invention has high conversion rate, no environmental pollution, it is a green protection process of environment friendly.

Description

technical field [0001] The invention relates to a process method for preparing amino acids by (super) near-critical hydrolysis of biomass, which belongs to the technical field of organic biological processing. Background technique [0002] The main organic components of biomass are protein and fat, among which protein is the material basis of life. The basic unit of protein is amino acid. The types and quantities of amino acids contained in different proteins are different. Some amino acids cannot be synthesized or synthesized in insufficient quantities in the human body, and must be supplemented by food protein to maintain the normal growth and development of the body. Amino acids that cannot be synthesized by the human body are called nutritionally essential amino acids, and they must be provided outside the body. A lack of nutritionally essential amino acids will lead to protein synthesis disorders in the body. [0003] There are 8 main nutritional essential amino acids...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C227/28
CPCY02P20/54
Inventor 朱宪程洪斌
Owner SHANGHAI UNIV