Method for preparing gamma-polyglutamic acid by microbial fermentation
By using enzymatic solution as a carbon source in microbial fermentation method and adding magnetic oxidant/epoxy resin porous composite material, the problem of low yield of γ-polyglutamic acid is solved, and a high yield and economical preparation of γ-polyglutamic acid is achieved.
CN116218924BActive Publication Date: 2025-03-18JILIN JINKUN BAICHUAN BIOENGINEERING CO LTD
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Patent Information
- Application Number
- CN202310371012.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-04-10
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2043-04-10
AI Technical Summary
Technical Problem
In the prior art, the production of γ-polyglutamic acid by microbial fermentation method is not high and the cost is high, making it difficult to meet the needs of industrial applications.
Method used
Enzyme lysate is used as the main carbon source for the fermentation medium, and magnetic oxidant/epoxy resin porous composite material is added during the fermentation process to increase the dissolved oxygen content in the fermentation broth and the contact area between the bacteria and the fermentation broth, thereby increasing the yield of γ-polyglutamic acid.
Benefits of technology
Through this method, the production of γ-polyglutamate is significantly improved, and the production cost is reduced, and it has good industrial application prospects.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention discloses a method for preparing γ-polyglutamic acid by microbial fermentation. In the method, enzymatic hydrolysate is used as the main carbon source of the fermentation medium, a magnetic oxide / epoxy resin porous composite material is added to the fermentation medium, and γ-polyglutamic acid is prepared by fermentation of Bacillus subtilis. Compared with the prior art, the yield of γ-polyglutamic acid prepared by the present invention is higher.
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