Multi-Course Tea Infusion with Steam Pre-Conditioning
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Solution Overview
Problem
Conventional tea brewing methods often fail to optimally extract the complex flavors and aromatics from tea leaves due to mismatched time and temperature conditions, leading to undesirable characteristics such as bitterness, and typically involve a single infusion that does not effectively release all chemical compounds.
Innovation Solution
A multi-course infusion method involving an apparatus with a water steam hybrid heating chamber and processing unit that controls temperature and steam to perform multiple infusions with varying temperatures and durations, pre-conditioning the tea leaves with steam, and resting the tea to control the release of compounds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single infusion method is used with fixed time and temperature, then the brewing process is simple and quick, but the extraction of flavor compounds is incomplete and produces undesirable bitterness
Solution Approach 1:
The brewing process is divided into multiple sequential infusions, each with different time and temperature parameters. The first infusion extracts aromatic compounds quickly, while subsequent infusions extract flavor compounds at slower rates, preventing bitterness through staged extraction rather than a single prolonged infusion.
Solution Approach 2:
The system performs periodic infusions with varying durations and temperatures. Each infusion cycle is separated by rest periods where steam is provided to maintain optimal conditions. This periodic variation in brewing parameters enables complete extraction of different chemical compounds at appropriate times, avoiding the harmful effect of continuous single-stage brewing.
2Speed
If hot water is applied directly to tea leaves without pre-conditioning, then the brewing process is faster, but aromatic compounds are not optimally released and flavor extraction is poor
Solution Approach 1:
Before the main hot water infusion, steam is provided to the tea leaves to pre-condition them. This preliminary steaming action opens the tea leaves and prepares them for optimal extraction of aromatic compounds during the subsequent hot water infusion, ensuring that the fast brewing process does not compromise flavor release.
3Quantity of substance
If long infusion time is used to extract all compounds, then complete flavor extraction is achieved, but important compounds break down and lose potency
Solution Approach 1:
The extraction process is segmented into multiple infusions with progressively longer durations. The first infusion extracts volatile aromatic compounds quickly before they can break down. Subsequent infusions with extended time extract less volatile flavor compounds that require longer contact, while the segmented approach prevents degradation that would occur in a single prolonged infusion.
4Object-generated harmful factors
If more tea leaves are used to compensate for poor extraction, then sufficient flavor is achieved, but the cost and waste of tea increases
Solution Approach 1:
The system changes multiple parameters including temperature, time, and steam application across different infusion stages to maximize extraction efficiency. This optimized multi-parameter approach extracts maximum flavor from a smaller amount of tea leaves, eliminating the need to use excessive tea to compensate for poor extraction efficiency in single-infusion methods.
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 the optimal extraction of tea's essence by releasing different aromatic and flavor compounds, reducing bitterness, and using less tea to produce a comparable or better-tasting beverage, with the ability to adjust parameters based on user preferences and usage history.
Implementation Method 1
providing steam into the infusion chamber to pre-condition the beverage medium
Implementation Method 2
providing steam into the infusion chamber to pre-condition the beverage medium
Implementation Method 3
infusing the beverage medium in the respective amount of hot water for a respective duration of infusion time
Implementation Method 4
showering a respective amount of hot water at a respective temperature down onto the beverage medium
Implementation Method 5
providing steam into the infusion chamber while the beverage medium is infused in the hot water
Data Source
AI summary
Various embodiments of an apparatus and method of multi-course infusion for brewing tea and other beverages are provided. In one aspect, a method of multi-course infusion for brewing tea and other beverages may receive, in an infusion chamber of an apparatus, an amount of beverage medium in dried state. The method may also provide steam into the infusion chamber to pre-condition the beverage medium. The method may further perform multi-course infusion of the beverage medium in hot water by repeating more than once a process that includes: showering hot water down onto the beverage medium in the infusion chamber, infusing the beverage medium in the hot water for some infusion time to form the beverage, providing steam into the infusion chamber while the beverage medium is infused in the hot water, drawing the beverage into one or more carafes after the infusion time has elapsed.