Roasted Coffee Bean Coating Process for Flavor Preservation
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Solution Overview
Problem
Current methods for infusing adaptogenic ingredients into coffee beans result in significant flavor and aroma loss due to grinding, and applying mushroom extracts before roasting can degrade micronutrients, necessitating a refined technique to maintain flavor and efficacy.
Innovation Solution
A process involving roasting coffee beans, cooling them to a specific temperature range, and applying a mushroom extract solution with at least 20% ethanol, which is then evaporated to bind micronutrients to the coffee beans' surface, minimizing microbial growth and preserving flavor and aroma.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If coffee beans are ground to incorporate mushroom extract, then the extract can be mixed with coffee, but significant flavor and aroma loss occurs
Solution Approach 1:
The process separates the coffee bean processing into distinct stages: whole bean roasting first, then extract application on cooled beans. This segmentation avoids grinding the beans, preserving their aromatic compounds while still allowing extract incorporation through surface application and tumbling motion.
2Ease of manufacture
If mushroom extract is applied before roasting, then the extract can be incorporated into coffee beans, but micronutrients and organic compounds degrade
Solution Approach 1:
The coffee beans are roasted and cooled before the mushroom extract is applied. This preliminary roasting and cooling action creates an optimal surface on the beans for extract adhesion while ensuring the beans are at a temperature that won't degrade the temperature-sensitive micronutrients and organic compounds in the extract.
Solution Approach 2:
The process controls the temperature parameter by cooling roasted beans to between 32-120°C before extract application. This parameter change ensures the beans are warm enough to facilitate extract absorption and adhesion but cool enough to preserve the efficacy of micronutrients and organic compounds.
3Productivity
If coffee beans are kept at elevated temperature during extract application, then extract evaporation is enhanced, but micronutrients and organic compounds are degraded
Solution Approach 1:
The process optimizes the temperature parameter by maintaining beans between 32-120°C during extract application. This temperature range is warm enough to enhance extract evaporation and adhesion to bean surfaces but below the threshold that would degrade temperature-sensitive micronutrients and organic compounds.
Solution Approach 2:
The beans are tumbled continuously during extract application, ensuring continuous exposure to the extract and consistent temperature distribution. This continuous motion enhances extract evaporation and uniform coating while maintaining stable conditions that protect micronutrient integrity.
4Reliability
If the extract solution contains high ethanol content, then microbial growth is inhibited, but flavor compounds may be affected
Solution Approach 1:
The process controls the ethanol concentration parameter in the extract solution to achieve at least 20% by volume. This concentration provides sufficient microbial inhibition while the controlled application temperature and rapid evaporation prevent excessive ethanol exposure that could degrade flavor compounds.
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 effectively maintains the flavor and aromatic profile of coffee while ensuring the efficacy of micronutrients and organic compounds, preventing degradation and microbial growth, and allowing for even coating and drying of coffee beans.
Implementation Method 1
cooling the roasted coffee beans to between 32 and 120 degrees Celsius
Implementation Method 2
applying the extract on an exterior surface of the roasted coffee beans... which is then evaporated to bind micronutrients to the coffee beans' surface
Data Source
AI summary
This disclosure describes a method for coating coffee beans, the method comprising providing a water-ethanol solution comprising at least 20% ethanol by volume, mixing at least one ingredient with the solution, extracting one or more of micronutrients and organic compounds from the at least one ingredient into the solution to create an extract, roasting coffee beans at a temperature that is in a range from about 120 to about 375 degrees Celsius to form roasted coffee beans, cooling the roasted coffee beans to between 32 and 120 degrees Celsius, and applying the extract on an exterior surface of the roasted coffee beans while they are in this temperature range to form coated coffee beans, wherein a weight ratio of the extract to the coffee beans ranges from about 0.1% to about 40%, and wherein the applying comprises simultaneously spraying the extract on and stirring the roasted coffee beans.


