PF1022A Fermentation Yield Using Solid Malt Extract
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Solution Overview
Problem
Existing fermentation methods for PF1022A production suffer from low yield and high cost, making large-scale industrial production challenging.
Innovation Solution
Utilizing a specific strain of Rosellinia sp. (HS-NF-1412Z) in an aerobic fermentation process with a fermentation medium containing solid malt extract as the assimilable carbon source, along with specific nitrogen and inorganic salts, significantly enhances PF1022A yield.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional fermentation methods are used for PF1022A production, then the fermentation process is simple to operate, but the fermentation yield is low and production cost is high
Solution Approach 1:
The patent changes the carbon source parameter from conventional options (such as glucose, starch) to solid malt extract, and optimizes its concentration to 70-200 g/L. This parameter change fundamentally alters the fermentation outcome, achieving yields up to 6000 μg/mL while reducing costs, as solid malt extract provides more favorable conditions for the production strain's metabolism and PF1022A synthesis
2Productivity
If solid malt extract is used as carbon source, then fermentation yield increases significantly, but fermentation medium complexity increases
Solution Approach 1:
The patent optimizes the concentration range of solid malt extract to 70-200 g/L, with preferred ranges of 100-200 g/L and most preferably 140-200 g/L. This parameter optimization ensures high yield while managing medium complexity, as the patent demonstrates that within this optimized range, the benefits outweigh the increased complexity
3Productivity
If optimized fermentation medium composition is used, then PF1022A yield reaches up to 6000 μg/mL, but production process complexity increases
Solution Approach 1:
The patent optimizes multiple parameters simultaneously: carbon source type and concentration (solid malt extract 70-200 g/L), nitrogen source (yeast powder 5-10 g/L, cottonseed cake powder 10-30 g/L), and inorganic salts (sodium chloride 2-3 g/L, magnesium sulfate 2-3 g/L, calcium carbonate 2-4 g/L). This comprehensive parameter optimization achieves maximum yield of 6000 μg/mL while managing overall process complexity through systematic formulation
4Productivity
If conventional carbon sources are used in fermentation medium, then fermentation medium is simple to prepare, but PF1022A production capacity is limited
Solution Approach 1:
The patent changes the carbon source from conventional simple options to solid malt extract at 70-200 g/L concentration. This parameter change dramatically increases production capacity to 6000 μg/mL. Although solid malt extract requires slightly more complex preparation than simple sugars, it remains a commercially available material that can be dissolved and sterilized using standard fermentation procedures
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method achieves a maximum fermentation yield of PF1022A up to 6000 μg/mL, reducing production costs and facilitating large-scale industrial production.
Implementation Method 1
performing aerobic fermentation in a fermentation medium
Data Source
AI summary
The present disclosure provides a method for increasing a fermentation yield of PF1022A, the method comprises taking a Rosellinia sp. capable of producing PF1022A as a production strain and performing aerobic fermentation in a fermentation medium, the fermentation medium comprises an assimilable carbon source, an assimilable nitrogen source and an inorganic salt, wherein the assimilable carbon source contains solid malt extract. The technical solution provided by the present disclosure is simple and easy to implement, improves the production efficiency of PF1022A, greatly increases the output of PF1022A, reduces the production costs, and facilitates large-scale industrial production of PF1022A.