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Method for rapidly preparing fish collagen

A fish collagen and collagen technology, which is applied in the field of rapid preparation of fish collagen by flash extraction method, can solve the problems of long reaction time, high production cost, application limitations, etc., and achieves low cost, short production cycle and wide application range. Effect

Inactive Publication Date: 2013-06-26
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Collagen is extracted by enzymatic method, the reaction time is long, the yield is low, the production cost is high, and the application is relatively limited

Method used

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  • Method for rapidly preparing fish collagen
  • Method for rapidly preparing fish collagen
  • Method for rapidly preparing fish collagen

Examples

Experimental program
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Embodiment Construction

[0012] The present invention is further illustrated by the following examples, which do not limit the scope of the present invention. The production process of this manufacturing technology is easy to implement for those skilled in the art.

[0013] Example 1: Tilapia fish scales were selected as raw materials, and the fish skin and other adherent substances on the fish scales were removed, washed and chopped for later use. Mix distilled water and fish scales in a weight ratio of 15-30:1, and flash twice for 1.5 minutes each time. Add 0.5mol / L acetic acid solution according to the swelling ratio of 1:15-30, then centrifuge at 3500-5500r / min for 5-30min, take the supernatant, and set aside. Mix the crude extract and NaCl solution according to the weight ratio, centrifuge at 3500-5500r / min for 5-30min, discard the supernatant, dissolve the precipitate with 10 times the volume of 0.5mol / L acetic acid, and dissolve it at 3500-5500r / min Min speed centrifugation 5-30min. Repeat t...

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PUM

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Abstract

The invention discloses a method for rapidly preparing fish collagen. An apparatus adopts a flash extraction way against the physiological and biochemical properties of fish collagen in order to rapidly prepare the fish collagen. The method is characterized in that the method treats fish skins or fish scales as a raw material and utilizes the flash extraction way to rapidly remove water-soluble pigments, other proteins and fat in order to obtain crude collagen, and the crude collagen is refined through utilizing salt-out and dialysis ways. Less loss, small denaturation, high yield and high purity of the collagen are realized in the whole preparation process. The prepared collagen has a high viscosity, a high gel strength and good application performances.

Description

technical field [0001] The invention relates to the technical field of extracting fish collagen, in particular to a method for rapidly preparing fish collagen by using a flash extraction method for fish skin or fish scales as raw materials. Background technique [0002] With the rapid development of aquaculture and processing industries, a large amount of waste such as fish skins and fish scales will be produced. If they can be fully utilized, it will not only reduce environmental pollution, but also increase the added value of fish, thereby obtaining good economic benefits. benefits and social benefits. [0003] At present, acid extraction, alkali extraction, hot water extraction and enzyme extraction are commonly used methods for the preparation of fish collagen. The acid leaching method and the alkali leaching method respectively use a certain concentration of acid or lye to partially degrade the fish skin (scale) collagen, and then release it into the extractant. Howev...

Claims

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Application Information

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IPC IPC(8): C07K14/78C07K1/14
Inventor 周钢樊瑜波侯永昭阿茹罕徐奕祖力胡玛尔刘文勇刘海峰牛旭锋
Owner BEIHANG UNIV