Fishbone nanometer material as well as preparation and application thereof

A technology of nanomaterials and nanomesoporous materials, which is applied in the field of fishbone nanomaterials and its preparation and application, can solve the problems of unevenness, poor applicability, small pore size, etc., and achieve the effect of smooth surface and complete structure

Active Publication Date: 2019-02-15
JIANGXI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the technical problems of irregular shape, non-uniform particle size, and small and uneven pore size of the fishbone nanomaterial in the prior art, which lead to poor applicability, and to provide a nano-material with good shape, uniform particle size, large and uniform pore size Fish bone nanomaterial and preparation method thereof

Method used

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  • Fishbone nanometer material as well as preparation and application thereof
  • Fishbone nanometer material as well as preparation and application thereof
  • Fishbone nanometer material as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The present embodiment selects herring fish bone as raw material to carry out the following operations:

[0042] (1) Use petroleum ether to degrease the fish bones, first crush the fish bones for 10 minutes by ultrafine grinding at 15,000 rpm, then use a ball mill to grind the fish bones for 10 hours at a ball milling speed of 80 rpm, and pass through 800 mesh Sieve to obtain nano fishbone meal, the prepared fishbone meal is scanned by electron microscope, such as figure 1 shown;

[0043](2) Dissolve 10g of nano-fishbone powder in water, add 3000U of hydrophobic compound flavor protease for enzymolysis, the reaction conditions are: pH value is 7.5, temperature is 45°C, reaction time is 1h, stirring continuously during the period to make it react Evenly, the fishbone nanomaterial A is prepared, and the prepared fishbone nanomaterial is scanned by electron microscope, such as image 3 shown.

Embodiment 2

[0045] The present embodiment selects grass carp bone as raw material to carry out the following operations:

[0046] (1) Use petroleum ether to degrease the fish bones, first crush the fish bones for 9 minutes by superfine grinding at 20,000 rpm, then use a ball mill to grind the fish bones for 6 hours with a ball milling speed of 80 rpm, and pass 1000 mesh sieve to obtain nano fishbone meal;

[0047] (2) Dissolve 10g of nano-fishbone powder in water, add 4000U of pepsin to carry out enzymolysis, the reaction conditions are: pH value is 8.0, temperature is 55°C, reaction time is 3h, stirring continuously during the period to make the reaction uniform, and prepare The fishbone nanomaterial B was obtained, and the prepared fishbone nanomaterial was scanned by an electron microscope.

Embodiment 3

[0049] The present embodiment selects silver carp fish bone as raw material to carry out the following operations:

[0050] (1) Degrease the fish bones with a mixed solvent of petroleum ether and ethanol with a volume ratio of 1:2. First, pulverize the fish bones for 8 minutes by ultrafine grinding at 15,000 rpm, and then use a ball mill with a ball milling speed of 100 rpm. The fish bone is pulverized for 9 hours per minute, and passed through a 800 mesh sieve to obtain nano fish bone powder;

[0051] (2) Dissolve 10g of nanometer fishbone meal in water, add 3500U of Bacillus subtilis alkaline protease for enzymolysis, the reaction conditions are: pH value is 8.5, temperature is 50°C, reaction time is 1.5h, during which it is constantly stirred to make it The reaction is uniform, and the fishbone nanomaterial C is prepared, and the prepared fishbone nanomaterial is scanned by an electron microscope.

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Abstract

The invention relates to the technical field of fish processing, in particular to a fishbone nanometer material as well as preparation and application thereof. The particle diameter of the fishbone nanometer material disclosed by the invention is 300-600nm, and the average pore size of the inner part of the fishbone nanometer material is greater than 6.5nm, the porosity is 25%-50%, the shape is smooth and complete, the particle diameter is uniform, and the pore size is uniform; and the fishbone nanometer material is obtained in a manner that a large amount of freshwater fishbone is subjected to defatting, crushing twice and mild enzymolysis with hydrophobic protease; in the preparing course, the enzymolysis conditions are controlled, so that the fishbone nanometer material which adopts theabove structure and is good in practicality can be obtained; and the fishbone nanometer material can be used as a drug slow-release carrier, and is applied to medicines, foods or cosmetics.

Description

technical field [0001] The invention relates to the technical field of fish processing, in particular to a fishbone nanomaterial and its preparation and application. Background technique [0002] Fish bone is formed by dense arrangement of collagen and hydroxyapatite, and is often used as food or feed. In recent years, with the development of nanotechnology, fish bones can also be made into nanoparticles or nano-microspheres with micropores, which can be used as slow-release carriers for active substances and expand the application range of fish bones. [0003] In the existing technology of using fish bones, fish bones are often prepared into fish bone powder and used as food additives. If it is necessary to prepare functional fish bone materials, the usual preparation method is a combination of physical and chemical methods. The use of physical pulverization often leads to the loss of fish bones. The particle size of the nanoparticles is not uniform, and the chemical metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L17/00A61K47/46
CPCA61K47/46A23L17/65A23L17/70
Inventor 刘光宪王辉付晓记幸胜平熊慧薇何家林祝水兰
Owner JIANGXI ACAD OF AGRI SCI
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