Title:
METHOD FOR PREPARING COLLAGEN PEPTIDE
Document Type and Number:
WIPO Patent Application WO/2022/217490
Kind Code:
A1
Abstract:
A method for preparing a collagen peptide. The method comprises the following steps: pre-treating fish skin and fish meat, then adding 0.5 monl/L of a glacial acetic acid solution and pepsin with a mass fraction of 3%, stirring the mixture, and performing enzymolysis for 48 h at 10°C or below to obtain an acidic collagen stock solution; adjusting the pH of the acidic collagen stock solution to 7.0 to obtain a neutral collagen stock solution, performing enzyme deactivation on the neutral collagen stock solution and centrifuging same to obtain a supernatant; and decolorizing, deodorizing, concentrating and drying the supernatant to acquire a collagen peptide.
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Inventors:
GUO HONGXING (CN)
ZHOU JINXUE (CN)
ZHOU JINXUE (CN)
Application Number:
PCT/CN2021/087165
Publication Date:
October 20, 2022
Filing Date:
April 14, 2021
Export Citation:
Assignee:
HAINAN SANYUANXING BIOTECHNOLOGY CO LTD (CN)
International Classes:
C12P21/06; C07K2/00; C07K14/78
Foreign References:
| CN103849670A | 2014-06-11 | |||
| CN110128530A | 2019-08-16 | |||
| CN101693741A | 2010-04-14 | |||
| CN101481723A | 2009-07-15 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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