Priestia Fermentation Strain for Multi-Aroma Compound Production
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Solution Overview
Problem
There is a scarcity of functional microbial strains capable of simultaneously producing ethyl 3-hydroxybutyrate, 2,3-dihydrobenzofuran, and 4-vinylguaiacol, which are important aroma and pharmaceutical compounds, and existing chemical synthesis methods are inefficient and environmentally unfriendly.
Innovation Solution
The development of Priestia sp. strain CGMCC No. 29032, isolated from a strong-aroma Baijiu brewing environment, which can produce these compounds simultaneously, with specific production levels of 1.53 ppm ethyl 3-hydroxybutyrate, 0.38 ppm 2,3-dihydrobenzofuran, and 0.29 ppm 4-vinylguaiacol.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If chemical synthesis methods are used to produce 2,3-dihydrobenzofuran, then production capacity is achieved, but environmental friendliness deteriorates due to toxic solvents and low yields
Solution Approach 1:
The patent replaces chemical synthesis methods with biological fermentation using Priestia sp. bacteria. The mechanical/chemical synthesis process is substituted with a biological system that naturally produces 2,3-dihydrobenzofuran through metabolic pathways, eliminating the need for toxic solvents and harsh chemical conditions while maintaining production capacity
Solution Approach 2:
The patent changes the fundamental parameter of production methodology from chemical to biological. By utilizing microbial fermentation with Priestia sp., the process operates under milder conditions with higher yields and environmental compatibility, transforming the production system from chemically-intensive to biologically-driven
2Adaptability or versatility
If multiple separate microbial strains are used to produce different aroma compounds, then production versatility is achieved, but process complexity deteriorates
Solution Approach 1:
The patent merges the functions of multiple separate microbial strains into a single Priestia sp. strain. This single bacterium is capable of simultaneously producing ethyl 3-hydroxybutyrate, 2,3-dihydrobenzofuran, and 4-vinylguaiacol, consolidating what would otherwise require multiple fermentation processes into one unified system
Solution Approach 2:
The Priestia sp. strain exhibits multi-functionality by producing multiple valuable aroma compounds simultaneously. This universal strain can generate diverse aromatic substances including fruity esters, pharmaceutical intermediates, and spice-like compounds, replacing the need for specialized strains for each compound
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 Priestia sp. strain enhances the flavor profile of Chinese Baijiu and offers applications in winemaking, fermented foods, fragrances, and pharmaceuticals, leveraging its production of these compounds.
Implementation Method 1
The Priestia sp. strain enhances the flavor profile of Chinese Baijiu and offers applications in winemaking, fermented foods, fragrances, and pharmaceuticals, leveraging its production of these compounds
Data Source
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AI summary
The present invention relates to the technical field of winemaking microorganisms, and specifically relates to Priestia sp. which can simultaneously produce ethyl 3-hydroxybutyrate, 2,3-dihydrobenzofuran and 4-vinylguaiacol, and the use thereof. In order to solve the problems of there being few types of functional microorganisms that can simultaneously produce ethyl 3-hydroxybutyrate, 2,3-dihydrobenzofuran and 4-vinylguaiacol in existing reports and same needing to be developed, the Priestia sp. is provided, which has the deposit number of CGMCC NO. 29032 and can produce ethyl 3-hydroxybutyrate, 2,3-dihydrobenzofuran and 4-vinylguaiacol. Therefore, the Priestia sp. has a broad application space in the fields of winemaking, fermented foods and fragrances using ethyl 3-hydroxybutyrate, 2,3-dihydrobenzofuran and 4-vinylguaiacol for flavoring, and also in the field of medical drugs utilizing the antioxidant activity and the anticancer activity of 4-vinylguaiacol.