Coffee Bean Fatty Acid Methyl Ester Content
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Solution Overview
Problem
There is a need to determine the component in coffee beans that significantly contributes to flavor and to provide coffee beans with high concentrations of this component, as flavor varies greatly due to factors like species and growing conditions, making it difficult to meet consumer demands for consistent flavor.
Innovation Solution
Increasing the fatty acid methyl ester content in coffee beans by supplying a methyl group donor, such as methanol or pectic ingredients, and heating the beans, which results in higher concentrations of methyl isovalerate and methyl palmitate, and using these as indicators for evaluating coffee bean flavor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If coffee beans are processed using conventional methods, then the production process is simple, but the fatty acid methyl ester content is low and flavor consistency cannot be guaranteed
Solution Approach 1:
Methyl group donors (such as methanol or pectic ingredients) are supplied to coffee beans before roasting, allowing the fatty acid methyl ester content to be increased in advance. This preliminary action ensures that the beans contain sufficient fatty acid methyl esters before the roasting process, thereby improving flavor consistency without requiring complex post-processing steps
Solution Approach 2:
The processing method involves changing parameters such as temperature and time during warm-treatment or normal-temperature treatment stages. By controlling these parameters, the conversion of fatty acids to fatty acid methyl esters is optimized, increasing the fatty acid methyl ester content while maintaining a relatively simple processing framework
2Adaptability or versatility
If coffee beans from different sources are used, then variety and selection are improved, but flavor consistency deteriorates due to variations in species and growing conditions
Solution Approach 1:
By controlling the warm-treatment or normal-temperature treatment parameters (temperature, time, moisture content), the method standardizes the conversion process of fatty acids to fatty acid methyl esters across different coffee bean varieties and sources. This parameter control ensures that regardless of the initial composition variations from different species or growing conditions, the final fatty acid methyl ester content achieves a consistent level, thereby ensuring flavor consistency
Solution Approach 2:
The method applies a standardized preliminary treatment step to all coffee beans before roasting, regardless of their origin. This preliminary action of supplying methyl group donors and controlling treatment parameters creates a uniform starting point for all bean varieties, compensating for natural variations and ensuring consistent flavor outcomes
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 increases the fatty acid methyl ester content in coffee beans, enhancing the flavor and allowing for the evaluation of coffee beans based on these compounds, resulting in a stronger and more consistent flavor profile.
Implementation Method 1
adding a methyl group donor as a fatty acid methyl ester precursor to coffee beans
Implementation Method 2
heating the resulting coffee beans increase a fatty acid methyl ester content of coffee beans
Data Source
AI summary
Coffee beans having an increased flavor component, a method for increasing a flavor component in coffee beans, and a method for evaluating coffee beans are provided. A fatty acid methyl ester content of coffee beans is increased.