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Method for separating eggshell membrane from eggshell

An eggshell membrane and eggshell technology, which is applied in pharmaceutical formulations, preparations for skin care, cosmetics, etc., can solve the problems of easily destroying lime shell and eggshell membrane structures, complex methods, and low recovery rate of protein membranes, and achieves a separation method. Simple and practical, high recovery effect

Inactive Publication Date: 2012-10-24
NANTONG HONGLIDA KNITTING
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing protein film extraction method is mainly machine rolling, which is relatively complicated and easily destroys the original structure of lime shell and eggshell membrane, and the recovery rate of protein film is low at the same time

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0013] Take 5 kg of fresh egg shells and put them into a glass container, add 12 kg of water, and slowly raise the temperature to 40°C; add 1.5 liters of concentrated hydrochloric acid under constant stirring, and soak for 1 hour at heat preservation; The eggshell membranes floating on the water surface are washed repeatedly with clean water to remove residual acid, alkali and salt; the washed eggshell membranes are drained, and then sent to a vacuum drying oven for drying at 60°C, and the dried matter is crushed to produce Get egg powder.

Embodiment 2

[0015] Take 7 kg of fresh duck egg shells and put them into a glass container, add 13 kg of water, and slowly raise the temperature to 42°C; add 1.8 liters of concentrated hydrochloric acid under constant stirring, and soak for 1.5 hours at heat preservation; The eggshell membranes floating on the water surface are washed repeatedly with clean water to remove residual acid, alkali and salt; the washed eggshell membranes are drained, and then sent to a vacuum drying oven for drying at 65°C. Get egg powder.

Embodiment 3

[0017] Take 8 kilograms of fresh goose eggshells and put them into a glass container, add 15 kilograms of water, and slowly raise the temperature to 45°C; add 2 liters of concentrated hydrochloric acid under constant stirring, and soak in heat for 1.5 hours; after soaking in heat, the eggshell membranes float out, Recover eggshell membranes floating on the water surface, wash them repeatedly with clean water to remove residual acid, alkali, and salt; drain the washed eggshell membranes, and then send them to a vacuum drying oven for drying at 65°C, and the dried materials are crushed Afterwards, the egg film powder is prepared.

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Abstract

The invention discloses a method for separating an eggshell membrane from an eggshell. The separation principle of the method is characterized in that a separation agent hydrochloric acid is added to a raw material eggshell, and the eggshell is immersed in a heat insulation mode to make lime and keratins undergo a chemical change and reduce the combination force between the eggshell and the eggshell membrane, so the membrane can be separated from the eggshell under continuous stirring. The separation method provided by the invention has the advantages of simplicity, practicality, and high eggshell membrane recovery rate; and the separated eggshell membrane can be used as a raw material for natural cosmetics, and enables face skins to become tender and smooth.

Description

technical field [0001] The invention relates to a method for separating eggshell membranes, in particular to a method for separating eggshell membranes from eggshells. Background technique [0002] Eggshell membrane is a complex protein with protein as the main body combined with mucopolysaccharides. Eggshell membrane is a hydrophilic semipermeable membrane with good air permeability, good moisturizing ability and adsorption properties. With the increase of poultry egg production and the development of deep-processing industry of egg products, the comprehensive utilization of egg shells has become necessary and economically feasible. The existing protein film extraction method is mainly machine rolling, which is relatively complicated and easily destroys the original structure of the lime shell and eggshell membrane, and the recovery rate of the protein film is low at the same time. Contents of the invention [0003] Purpose of the invention: In order to solve the defici...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/98A61Q19/00
Inventor 谷建通
Owner NANTONG HONGLIDA KNITTING
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