Natural Flavor Base via Bacterial L-Proline Accumulation
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Solution Overview
Problem
Current methods for producing natural flavor bases often involve chemical processing steps, which are not considered natural by consumers, and fail to provide a complete and authentic roasty flavor profile, especially in savory flavor bases.
Innovation Solution
A process involving culturing a bacterial strain to accumulate L-proline, followed by thermal reaction with a reducing sugar, which generates a natural flavor base with an improved roasty flavor profile without the use of isolated chemicals or molecules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If chemical processing steps are used to produce natural flavor bases, then manufacturing efficiency is improved, but consumer acceptance deteriorates due to perceived unnatural processing
Solution Approach 1:
The invention extracts and eliminates the chemical processing steps from the flavor base production process, retaining only the fermentation step. This removes the harmful factor (chemical processing perception) while preserving the beneficial fermentation process that produces natural flavors and umami compounds.
Solution Approach 2:
The invention changes the processing parameters from chemical synthesis conditions to biological fermentation conditions. By using microorganisms to naturally produce amino acids and flavor compounds, the process transforms from chemical manufacturing to biological production, improving consumer acceptance while maintaining productivity.
2Stability of the object's composition
If conventional fermentation methods are used, then natural flavor production is achieved, but roasty flavor profile is insufficient
Solution Approach 1:
The invention performs preliminary action by pre-selecting and culturing specific microorganism strains that are known to produce roasty flavor compounds during fermentation. This preliminary strain selection ensures that the fermentation process naturally generates the desired roasty, biscuit, and popcorn flavor notes without requiring post-fermentation chemical additions.
Solution Approach 2:
The invention creates a composite flavor profile by combining multiple naturally occurring compounds produced during fermentation, including amino acids, organic acids, and aroma compounds. This composite approach from natural fermentation sources achieves the complete roasty flavor profile without chemical synthesis.
3Manufacturing precision
If multiple fermentation steps are used to produce natural flavors, then flavor complexity is improved, but process complexity and control difficulty increase
Solution Approach 1:
The invention merges multiple fermentation functions into a single fermentation step by selecting microorganism strains that can simultaneously produce umami compounds (glutamate, IMP, GMP) and roasty flavor compounds. This consolidation simplifies the process while maintaining flavor complexity.
Solution Approach 2:
The invention uses multi-functional microorganisms that can perform multiple roles: producing protein, generating umami flavors, and creating roasty aroma compounds. This multi-functionality eliminates the need for separate fermentation steps and reduces process control complexity.
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 process produces a natural flavor base with enhanced roasty, biscuit, and popcorn flavor notes, considered absolute natural and cost-effective for industrial-scale production, surpassing prior art in flavor profile complexity and consumer acceptance.
Implementation Method 1
culturing a bacterial strain in a culture medium to produce and accumulate L-proline and/or a derivative thereof in the culture medium to a concentration of at least 1.0 wt% of the culture medium
Implementation Method 2
thermally reacting the culture medium after the addition of the reducing sugar at a temperature from 75 - 170°C for at least 5 minutes
Data Source
Figure 1
AI summary
The present invention relates to a process for preparing a natural flavor base and a flavor base obtainable by such process. A further aspect of the invention is a method for providing a natural roasty, a natural caramel, a natural pop-corn, a natural biscuit and/or a natural buttery flavor note to a food product.