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Deep-sea fish collagen peptide and production method thereof

A fish collagen peptide and collagen peptide technology, applied in the field of collagen peptide, can solve the problems of low enzymatic hydrolysis efficiency, complicated operation, acid and alkali resistance, etc., and achieve low free amino acid content, simplified process steps, and not easy to absorb moisture. block effect

Active Publication Date: 2019-05-07
舜甫科技(固安)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, the problems and shortcomings of the above two invention patent applications are: the enzymatic hydrolysis efficiency of the enzyme used is low, the enzymatic hydrolysis time is long, the amount of enzyme added is large, and the optimum pH and temperature need to be adjusted for enzymatic hydrolysis, and the operation is complicated. , adjusting the optimum pH value of enzymatic hydrolysis will bring in a large amount of inorganic ions, and controlling the optimum enzymatic hydrolysis temperature consumes a lot of energy; it needs to use ultrafiltration membrane and nanofiltration membrane twice for membrane filtration, and the role of ultrafiltration membrane is as follows: To intercept macromolecular substances, the function of nanofiltration membrane is desalination and concentration, the steps are cumbersome, and the membrane core used is organic material, which is not resistant to acid and alkali, high temperature and high pressure, small flux, short service life, and inconvenient cleaning; The prepared collagen peptide powder has poor water resolubility and is easy to absorb moisture during storage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] (1) Pre-treatment of raw materials: remove impurities and clean the skin of deep-sea fish (hairtail) and cut them into granules with an average particle size of 1 μm. Soak them in 0.02M NaOH solution 3 times the weight of raw materials at room temperature for 12 hours, and then wash them with clean water. Rinse until the pH value is neutral, then use 0.02M HCl solution 3 times the weight of the raw material to soak at room temperature for 2 hours, then rinse with water until the pH value is neutral, add 4 times the volume of water, and use a colloid mill to prepare coarse Collagen solution.

[0047] (2) Heat treatment: heat the crude collagen solution in hot water at 90° C. for 30 minutes, and then lower the temperature to 50-55° C. to obtain a denatured collagen solution.

[0048] (3) Enzymolysis: Add 0.1% (w / w) high-efficiency compound enzyme preparation of raw material weight to the denatured collagen solution, mix well, and enzymolyze under natural conditions withou...

Embodiment 2

[0054] (1) Raw material pre-treatment: remove impurities and clean the skin of deep-sea fish (salmon), cut it into crumbs with an average particle size of 3 μm, soak it in 0.02M NaOH solution 3.5 times the weight of the raw material at room temperature for 12 hours, and then wash it with clean water Rinse until the pH value is neutral, then use 0.02M HCl solution 3.5 times the weight of the raw material to soak at room temperature for 2 hours, then rinse with water until the pH value is neutral, add 4 times the volume of water, and use a colloid mill to prepare crude Collagen solution.

[0055] (2) Heat treatment: heat the crude collagen solution in hot water at 90° C. for 30 minutes, and then lower the temperature to 50-55° C. to obtain a denatured collagen solution.

[0056] (3) Enzymolysis: Add 0.1% (w / w) high-efficiency compound enzyme preparation of raw material weight to the denatured collagen solution, mix well, and enzymolyze under natural conditions without adjusting ...

Embodiment 3

[0062] (1) Raw material pretreatment: remove impurities and wash the deep-sea fish (cod) skin, cut it into crumbs with an average particle size of 5 μm, soak it in 0.02M NaOH solution 4 times the weight of the raw material at room temperature for 12 hours, and then wash it with clean water Rinse until the pH value is neutral, then use 0.02M HCl solution 4 times the weight of the raw material to soak at room temperature for 2 hours, then rinse with water until the pH value is neutral, add 4 times the volume of water, and use a colloid mill to prepare crude Collagen solution.

[0063] (2) Heat treatment: heat the crude collagen solution in hot water at 90° C. for 30 minutes, and then lower the temperature to 50-55° C. to obtain a denatured collagen solution.

[0064] (3) Enzymolysis: Add 0.1% (w / w) high-efficiency compound enzyme preparation of raw material weight to the denatured collagen solution, mix evenly, and enzymolyze under natural conditions without adjusting the pH val...

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Abstract

The invention belongs to the field of collagen peptide, and discloses deep-sea fish collagen peptide and a production method thereof. The production method includes successively performing soaking treatment on deep-sea fish skin particles by adopting a NaOH solution and a HCl solution; adding water and utilizing a colloid mill to prepare into a crude collagen solution; performing heating processing, and performing enzymatic hydrolysis by using a high efficiency compound enzyme preparation under a natural condition of adjusting pH values and controlling temperatures; filtering and removing components which are not easy to dissolve and easy to absorb moisture through an inorganic nanofiltration ceramic membrane; and performing high temperature and high pressure treatment, concentration and drying to prepare powder. The method is short in enzymatic hydrolysis time, less in enzyme addition, and low and concentrated in molecular weight of enzymatic hydrolysate without adjusting the pH valueof enzymatic hydrolysis and controlling enzymatic hydrolysis temperatures; and the prepared deep-sea fish collagen peptide powder is excellent in water re-solubility, and is not easy to absorb moisture and cake during storage.

Description

technical field [0001] The invention belongs to the field of collagen peptides, in particular to a deep-sea fish collagen peptide and a production method thereof. Background technique [0002] Collagen is rich in amino acids such as glycine, proline, and hydroxyproline that the human body needs. Collagen is a high-molecular functional protein. It is the main component of the skin, accounting for 80% of the skin's dermis. It forms a fine elastic network in the skin, which firmly locks moisture and supports the skin. Collagen is a helical fibrous protein twisted by three peptide chains. It is also the most abundant protein in the human body. It is widely distributed in connective tissue, skin, bone, interstitial cells of internal organs, muscle cavity, ligament, sclera and other parts. Accounting for more than 30% of the total protein in the human body, it is rich in proline, hydroxyproline and other collagen characteristic amino acids needed by the human body, and is an impo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P21/06C07K14/78C07K1/14C07K1/34
Inventor 丁旭初
Owner 舜甫科技(固安)有限公司
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