Sustained Release Fermentation Tablets for Nutrient Management
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Solution Overview
Problem
Current fermentation processes in food products and biofuels face challenges due to the need for multiple additions of nutrients at specific times to maintain optimal microbial activity, which is labor-intensive and often impractical, especially during large-scale production, leading to potential stuck or sluggish fermentations and imbalanced metabolic processes.
Innovation Solution
A sustained release delivery system using tablets with a gelling agent and additives like diammonium phosphate, yeast extract, and vitamins, designed to slowly release nutrients over several days, mimicking multiple additions and ensuring consistent microbial support throughout the fermentation cycle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple additions of nutrients are made at specific times during fermentation, then microbial activity is maintained optimally, but labor intensity increases and operation complexity worsens
Solution Approach 1:
The tablet is segmented into multiple functional components (gelling agent, diammonium phosphate, yeast extract, vitamins) that release at different rates, simulating multiple nutrient additions through a single application. This segmentation allows each component to be available to microbes at the appropriate fermentation stage without requiring multiple manual additions.
Solution Approach 2:
All necessary nutrients are incorporated into the tablet in advance before fermentation begins. The sustained-release mechanism is pre-configured to deliver nutrients at the correct times during fermentation, eliminating the need for multiple subsequent additions and reducing operational complexity.
2Reliability
If multiple additions of nutrients are made during fermentation, then metabolic balance is improved, but time consumption and productivity worsen
Solution Approach 1:
The tablet provides continuous nutrient release throughout the fermentation process, ensuring metabolically balanced conditions are maintained without interruption. The sustained-release mechanism ensures nutrients are available continuously at appropriate rates, preventing metabolic imbalances that would otherwise require multiple discrete additions.
Solution Approach 2:
The release rate of nutrients is controlled by changing the physical-chemical parameters of the matrix materials (gelling agent composition, particle size, cross-linking density). This allows optimization of nutrient availability to match microbial metabolic needs throughout fermentation, maintaining metabolic balance while improving productivity.
3Speed
If nutrients are released quickly, then initial microbial growth is enhanced, but fermentation balance deteriorates and stuck fermentations occur
Solution Approach 1:
The nutrient release system is designed to be dynamic, adjusting the release rate throughout fermentation. Initially, nutrients are released faster to support rapid microbial growth and high fermentation rates. As fermentation progresses, the release rate automatically slows down to maintain balance and prevent stuck fermentations, matching the changing metabolic needs of the microbes.
Solution Approach 2:
The tablet provides periodic nutrient release in phases that correspond to different fermentation stages. The gelling agent matrix creates distinct release phases where nutrients are delivered at different rates at different times, ensuring both rapid initial growth and balanced later-stage fermentation without manual intervention.
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 solution allows for a single, convenient addition of nutrients that are released at optimal times, enhancing fermentation rates, reducing stuck fermentations, improving flavor and aroma, and maintaining balanced amino acid uptake, thereby increasing the reliability and efficiency of fermentation processes.
Implementation Method 1
These sustained release mechanisms allow active ingredients to escape through diffusion or through osmotic release
Implementation Method 2
These sustained release mechanisms allow active ingredients to escape through diffusion or through osmotic release, i.e., physical swelling to form a gel in which active ingredients are released through the surface of the product
Implementation Method 3
physical swelling to form a gel in which active ingredients are released through the surface of the product
Data Source
AI summary
A sustained release delivery system and composition of materials for slowly releasing an additive to a fermentation fluid over a sustained period of time of up to 96 hours is described. The product of the present invention includes a complement of additives and a sustained release mechanism to allow a single addition of components that yield release profiles consistent with multiple additions in juice, fermented beverages, other foodstuffs, and biofuels production.