Microbial Fermentation for OPO Production Purity
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Solution Overview
Problem
Current methods for producing special oil OPO, such as enzyme, fractionation, and chemical synthesis, are costly, complex, and face technical barriers like acyl migration and limited scalability, making them unsuitable for industrial production.
Innovation Solution
A microbial fermentation method using Rhodococcus opacus PD630, involving culture activation, cultivation in an MSM culture medium, cell collection, and oil extraction, which is simpler and more cost-effective, producing high-purity OPO.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If enzyme method is used to prepare OPO, then OPO-enriched oil can be produced, but the cost is high due to expensive enzyme and the technical barrier of acyl migration cannot be overcome
Solution Approach 1:
The patent replaces expensive enzymes with a disposable microbial fermentation system. Rhodococcus opacus PD630 bacteria are used to biosynthesize OPO directly, eliminating the need for costly enzymatic catalysts. The bacteria serve as a one-time use biological factory that is cultured, harvested, and discarded after oil extraction, making the process economically viable while maintaining high OPO purity
Solution Approach 2:
The patent employs self-service through the autonomous biosynthetic capability of Rhodococcus opacus PD630. The bacteria naturally produce OPO triglycerides within their cellular structures without requiring external enzymatic intervention. The microbial system self-regulates the synthesis process, converting supplied fatty acids into OPO structures through its inherent metabolic pathways, thereby eliminating dependency on expensive external enzymes
2Manufacturing precision
If fractionation method is used to enrich OPO, then OPO-containing natural oil can be enriched, but the process is complex, high in technical difficulty and safety risk
Solution Approach 1:
The patent replaces complex mechanical fractionation systems with a biological synthesis system. Instead of using sophisticated fractionation equipment, temperature control systems, and solvent handling apparatus, the invention uses Rhodococcus opacus PD630 bacteria to directly synthesize OPO. This substitutes complex mechanical and chemical separation processes with a simpler biological production approach that requires only basic fermentation and extraction equipment
Solution Approach 2:
The patent introduces Rhodococcus opacus PD630 as a biological intermediary that simplifies the production process. The bacteria act as a living mediator that converts simple fatty acid substrates into complex OPO triglycerides through its metabolic machinery. This intermediary organism replaces the need for complex fractionation equipment and multiple processing steps, reducing both device complexity and safety risks associated with solvent use
3Manufacturing precision
If chemical synthesis method is used to obtain high purity OPO, then high purity OPO can be obtained, but it is hard to obtain food grade level raw materials and cannot realize industrial production
Solution Approach 1:
The patent changes the fundamental parameter of production methodology from chemical synthesis to biological fermentation. By using Rhodococcus opacus PD630, the process operates under milder, food-grade conditions with temperatures and pH levels suitable for industrial food production. The microbial system naturally produces food-grade OPO without requiring harsh chemical reagents, enabling scalable industrial production while maintaining high purity
Solution Approach 2:
The patent achieves universality by using Rhodococcus opacus PD630 as a platform organism that can produce OPO from various fatty acid substrates. The bacterial system is versatile and can utilize different carbon sources and fatty acid mixtures, making the process adaptable to different raw materials and scalable to industrial production. This multi-functional biological system replaces specialized chemical synthesis routes with a universally applicable fermentation process
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 method simplifies the production process, reduces costs, and enhances industrial scalability while ensuring the safety and healthiness of the OPO production, achieving high purity and meeting industrial requirements.
Implementation Method 1
a microbial fermentation method using Rhodococcus opacus PD630
Implementation Method 2
cultivation in an MSM culture medium, where the MSM culture medium is an inorganic salt culture medium, and a carbon source contains oleate and palmitate of high content
Implementation Method 3
collecting cells after cultivation
Data Source
AI summary
Disclosed is a method for producing special oil OPO by way of microbial fermentation. The method comprises the following steps: inoculating microorganisms to an activating culture medium for shake cultivation treatment to obtain an activated culture; adding an organic matter into a minimal medium to obtain an optimized culture medium; inoculating the culture into the optimized culture medium for shake cultivation treatment to obtain a culture solution; carrying out centrifugal treatment on the culture solution, taking a precipitate, washing the precipitate and freeze-drying the precipitate, adding a hydrochloric acid solution to obtain a mixture; and adding an organic solvent into the mixture for extraction, and removing the solvent to obtain the OPO, wherein the microorganisms are Rhodococcus opacus PD630.