Oligosaccharide Purification Merging Fermentation and Separation
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Solution Overview
Problem
Current methods for producing oligosaccharides through cell cultivation or fermentation require separate purification of individual oligosaccharides, which is inefficient and costly, and do not easily replicate the natural mixture found in mammalian milk, limiting their application in nutritional, pharmaceutical, and cosmetic compositions.
Innovation Solution
A method for producing a purified mixture of structurally distinct oligosaccharides by culturing metabolically engineered cells, followed by clarification and concentration of the fermentation broth to remove contaminants and medium components, resulting in a spray-dried powder or syrup suitable for industrial-scale use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If individual oligosaccharides are purified separately, then purity is improved, but process complexity and cost increase
Solution Approach 1:
The patent combines the purification of multiple oligosaccharides into a single integrated process. Instead of separating and purifying each oligosaccharide individually, the method purifies the entire mixture of oligosaccharides produced during cell cultivation in one operation, thereby reducing process complexity while maintaining high purity
Solution Approach 2:
The purification method is designed to handle multiple oligosaccharide structures simultaneously with a single universal purification protocol. The process works for diverse oligosaccharide mixtures without requiring separate purification steps for each type, achieving multi-functionality that simplifies the overall process
2Manufacturing precision
If individual oligosaccharides are separated and purified, then purity is improved, but production time increases
Solution Approach 1:
The patent merges multiple purification operations into a single simultaneous purification step. By purifying the entire oligosaccharide mixture together rather than processing each component separately, the method significantly reduces the total time required while achieving high purity for all oligosaccharides in the mixture
3Manufacturing precision
If separate purification is used, then purity is improved, but production cost increases
Solution Approach 1:
The patent combines multiple purification steps into one integrated process, reducing the number of operations required. This consolidation lowers production costs by decreasing reagent consumption, reducing labor requirements, and minimizing equipment needs while maintaining high purity standards for the oligosaccharide mixture
Solution Approach 2:
The universal purification method applies a single protocol to handle diverse oligosaccharide mixtures, eliminating the need for multiple specialized purification procedures. This multi-functional approach reduces overall production costs by simplifying the manufacturing process and reducing resource consumption
4Productivity
If synthetic oligosaccharide mixtures are produced, then production efficiency is improved, but natural composition is lost
Solution Approach 1:
The patent uses metabolically engineered cells to copy the natural oligosaccharide production pathways found in mammalian systems. By harnessing the cell's own metabolic machinery to synthesize oligosaccharides, the method reproduces the natural composition and structure of milk oligosaccharides while maintaining industrial-scale production efficiency
Solution Approach 2:
The patent modifies cellular metabolic parameters and pathway expression to optimize for natural oligosaccharide production. By adjusting cultivation conditions and metabolic flux through engineered pathways, the method achieves high production efficiency while preserving the natural composition profile of the oligosaccharide mixture
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
This approach allows for the efficient production of a purified mixture of oligosaccharides at high purity, suitable for various applications, without the need for separate oligosaccharide separation, and replicates the natural oligosaccharide mixture found in mammalian milk, enhancing their effectiveness in nutritional, pharmaceutical, and cosmetic compositions.
Implementation Method 1
produced by cell cultivation or microbial fermentation
Implementation Method 2
spray-dried powder
Data Source
AI summary
This disclosure is in the technical field of cell cultivation or fermentation for the production of oligosaccharides. This disclosure discloses a method to produce a purified mixture of different oligosaccharides produced by a cell cultivation or microbial fermentation.