Method and application of one-step conversion of shrimp and crab shells to prepare water-soluble small molecule active substances

A shrimp and crab shell and water-soluble technology, which is applied in chemical instruments and methods, botanical equipment and methods, applications, etc., can solve the problems of high processing cost, environmental pollution, and the lack of development and utilization of shrimp and crab shell resources. Low cost, environmentally friendly technology, and remarkable social and economic benefits

Active Publication Date: 2021-08-06
王士奎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing process of using shrimp and crab shells to produce chitin, chitosan and chitosan oligosaccharides, a large amount of acid and alkali are required in the process of deproteinization, decalcification, and deacetylation, resulting in a large amount of organic wastewater, and direct discharge will cause serious environmental pollution. And the cost of processing is high, these factors cause up to 80% of shrimp and crab shell resources in my country not to be developed and utilized

Method used

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  • Method and application of one-step conversion of shrimp and crab shells to prepare water-soluble small molecule active substances

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Example 1: Preparation of water-soluble small molecule active substance containing amino-oligosaccharin from shrimp and crab shells Method 1

[0041] Take 10kg of polyphosphoric acid with a phosphoric acid content of 105%, and 1kg of choline chloride, mix well and add them into a 50L reaction kettle, stir and heat at 85°C for 1 hour to form a polyphosphoric acid-choline chloride deep eutectic solvent composite system ,;

[0042] Shrimp and crab shells were dried until the water content was lower than 10%, crushed and 5 kg was added to the above reaction system, stirred and dissolved at 90°C for 2 hours to form a polyphospholipid solution;

[0043] Add catalyst aqueous solution 1.0% hypoiodous acid aqueous solution 10kg catalytic degradation 2 hours under heat preservation condition, after 50 order gauze filter and remove insoluble matter, form steady-state water-soluble active matter solution; Wherein the insoluble matter weight of filtering gained is 0.39kg.

[0044] ...

Embodiment 2

[0048] Example 2: Method 2 for preparing water-soluble small molecule active substances containing amino-oligosaccharins from shrimp and crab shells

[0049] Take 400 kg of polyphosphoric acid with a phosphoric acid content of 105%, and 10 kg of choline chloride are fully mixed and then added to a 2-ton reactor, stirred and heated at 85 ° C for 0.5 hours to form a polyphosphoric acid-choline chloride composite system;

[0050] Dry and pulverize the shrimp and crab shells and add 200kg to the above reaction system, raise the temperature to 85°C and stir to dissolve for 4 hours to form a polyphospholipid solution;

[0051] Under the condition of heat preservation, 150 kg of aqueous catalyst solution and 0.5% hypoiodous acid aqueous solution were added to catalyze degradation for 3 hours, and after removing insoluble matter through 50-mesh gauze filtration, a steady-state water-soluble active substance solution was formed. Wherein the filtered gained insoluble matter weight is 9....

Embodiment 3

[0054] Embodiment 3: Enteromorpha preparation method of water-soluble small molecule active substance

[0055] Take 9 kg of polyphosphoric acid with a phosphoric acid content of 115%, and 2 kg of choline chloride, mix well and add them into a 50L reaction kettle, stir and heat at 85°C for 1 hour to form a polyphosphoric acid-choline chloride composite system;

[0056] Dry and pulverize Enteromorpha enteromorpha and add 4kg to the above reaction system, heat up to 85°C and stir to dissolve for 2 hours to form a polyphospholipid solution;

[0057] Add catalyst aqueous solution 0.2% hypoiodous acid aqueous solution 5kg catalytic degradation 2 hours under heat preservation condition, 50 order gauze filter and form steady-state water-soluble active material solution, wherein the insoluble matter weight obtained by filtration is 0.15kg.

[0058] Product assay:

[0059] The total soluble sugar content determined by anthrone method was 9.6%;

[0060] The Kjeldahl method was used to ...

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Abstract

The present invention "a method for one-step conversion of shrimp and crab shells to obtain water-soluble small molecule active substances and its application" relates to environmental protection processing technology, and is characterized in that the organic and inorganic matrix materials represented by shrimp and crab shells are crushed to a particle size smaller than 20 mesh, dissolve with polyphosphoric acid-choline chloride deep eutectic solvent composite system at 80°C-95°C under stirring conditions for 2-4 hours; under heat preservation conditions, add 0.1-1% catalyst aqueous solution to catalyze degradation for 1-3 hours A steady state water-soluble active substance solution is obtained. The polyphosphoric acid-choline chloride deep eutectic solvent complex system used in it has good solubility, and has good solubility to cellulose, protein and inorganic salts in the organic-inorganic mixed matrix, and can dissolve shrimp in one step. Crab shells are used to prepare steady-state water-soluble active substance solutions rich in amino-oligosaccharins, soluble calcium elements, soluble small molecule peptides, and amino acids, which can be prepared in a low-cost, environmentally friendly, and high-efficiency way using organic and inorganic matrix waste as raw materials. A product for many uses.

Description

technical field [0001] The invention relates to an environmental protection processing technology, in particular to a method for preparing a water-soluble small molecule active substance by one-step conversion of shrimp and crab shells and an application thereof. Background technique [0002] Many industries will produce a large amount of organic or inorganic waste in daily production, such as marine resource waste such as shrimp and crab shells, fish bones, shells, oyster shells, sargassum, enteromorpha, kelp, etc.; planting waste such as corn stalks, Rice sticks (core), wheat straw, wheat bran, rice straw, rice husk, rice bran, peanut shell, fruit peel, fruit shell, coconut bran; food material processing residues such as mushroom residue, wine residue, vinegar residue, bagasse and traditional Chinese medicine residue etc.; and microbial fermentation by-products. These organic and inorganic wastes have the value of reprocessing and reuse. The organic or inorganic matrix co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07H5/06C07H1/00A01N43/16A01N65/03A01N65/44A01N63/10A01N63/00A01P21/00C05G3/00
CPCA01N43/16A01N63/00A01N65/00A01N65/03A01N65/44A01N63/10C05F1/005C05G3/00C07H1/00C07H5/06
Inventor 胡雪芳王士奎
Owner 王士奎
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