Bacillus Spore Germination via Nutrient Composition
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Solution Overview
Problem
Current methods for activating Bacillus spores in probiotic products, such as tea, are inefficient as they require a multi-step process involving heat activation followed by nutrient germinant addition, which is time-consuming and not suitable for point-of-use activation, especially for human consumption or environmental applications.
Innovation Solution
A single-step method using a nutrient germinant composition containing L-amino acids, sugars, potassium ions, and osmoprotectants, combined with heat incubation, to rapidly germinate Bacillus spores in heated liquids and foods, ensuring rapid activation and increased efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a multi-step process involving heat activation followed by nutrient germinant addition is used to activate Bacillus spores, then the spores can be activated, but the process is time-consuming and not suitable for point-of-use activation
Solution Approach 1:
The patent combines heat activation and nutrient germinant addition into a single integrated step. The composition contains both the thermal energy required for activation and the nutrient germinants (L-amino acids, sugars, potassium ions, osmoprotectants) needed for germination, allowing both processes to occur simultaneously during a single heating phase rather than requiring separate sequential steps.
Solution Approach 2:
The nutrient germinants are pre-formulated in the composition at optimal concentrations and ratios before use. This preliminary preparation ensures that when heating occurs, the germinants are immediately available to act on the spores, eliminating the need for post-activation addition and reducing overall process time.
2Reliability
If heat activation is used to germinate spores, then activation can occur, but the spores will return to their pre-heated state if no nutrient germinant is present
Solution Approach 1:
The composition integrates both the heat activation function and the nutrient germinant function into a single formulation. This merging ensures that the germinants are present throughout the heating process, providing continuous support for spore activation and preventing reversion to the pre-heated state.
Solution Approach 2:
The composition is a composite formulation containing multiple functional components (L-amino acids, sugars, potassium ions, osmoprotectants) work together to provide both the thermal activation environment and the biochemical nutrients required for stable germination, creating a synergistic effect that enhances reliability.
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 allows for rapid and efficient germination of Bacillus spores at the point of use, enhancing the probiotic efficacy in food and beverage products, and extending its application in animal feed, wastewater treatment, and environmental remediation.
Implementation Method 1
Nutrient germinants bind to receptors in the inner-membrane of the spore to initiate germination
Implementation Method 2
sugars have been shown to increase the binding affinity of L-amino acids for their cognate receptors
Implementation Method 3
A single-step method using a nutrient germinant composition containing L-amino acids, sugars, potassium ions, and osmoprotectants, combined with heat incubation, to rapidly germinate Bacillus spores
Data Source
AI summary
A composition and method for activating probiotic spores in food and beverage products, such as steeped teas, coffee, soups, and sauces. A nutrient-germinant composition comprises one or more L-amino acids, optionally one or more buffers to maintain the pH of the composition when added to water in a range of around 6-8, optionally D-glucose, D-fructose, or both D-glucose and D-fructose, and optionally, an osmoprotectant. The nutrient-germinant composition, one or more species of Bacillus spores, and a food or beverage product may be pre-mixed in any combination. Water is added to the mixture and heated to a temperature range of 42 to 100° C. to germinate the probiotic spores prior to being consumed.