Purified Chlorogenic Acid Composition Turbidity Control
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Solution Overview
Problem
Chlorogenic acid-containing compositions used in acidic drinks often become turbid when diluted, and existing methods fail to maintain stability and hue while reducing caffeine content without lowering chlorogenic acid content.
Innovation Solution
A method involving dispersing or dissolving a chlorogenic acid-containing composition in an aqueous organic solvent solution, removing precipitates, and contacting the solution with specific types of activated carbon having controlled pore volumes to produce a purified composition with improved hue and reduced turbidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the chlorogenic acid-containing composition is diluted to a concentration appropriate as a drink, then the drinkability is improved, but the composition becomes turbid
Solution Approach 1:
The patent introduces activated carbon as an intermediary substance to adsorb and remove the components causing turbidity. The activated carbon acts as a mediator between the chlorogenic acid composition and the final drink product, enabling dilution without turbidity by selectively binding to interfering substances.
Solution Approach 2:
The patent changes the pore volume parameter of the activated carbon to optimize its adsorption properties. By selecting activated carbon with specific pore volume ranges, the composition achieves stability at diluted concentrations while maintaining drinkability, resolving the contradiction between dilution and turbidity.
2Manufacturing precision
If existing purification methods are used, then some impurities are removed, but caffeine content remains high while chlorogenic acid content is reduced
Solution Approach 1:
The patent applies local quality by using activated carbon with specifically controlled pore volume properties tailored to selectively adsorb caffeine while preserving chlorogenic acid. The localized pore structure characteristics enable differential adsorption, achieving high purification precision without sacrificing the desired substance.
3Stability of the object's composition
If the chlorogenic acid concentration is increased to prevent turbidity, then stability is improved, but the composition becomes unsuitable as a drink
Solution Approach 1:
The activated carbon serves as an intermediary that enables the composition to achieve both stability and drinkability. By removing the turbidity-causing components through adsorption, the activated carbon allows the composition to remain stable at diluted, drinkable concentrations without requiring high chlorogenic acid concentrations.
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
The method effectively suppresses turbidity and maintains chlorogenic acid content while reducing caffeine levels, ensuring a stable and aesthetically pleasing acidic drink.
Implementation Method 1
bringing the solution obtained in the second step into contact with activated carbon comprising activated carbon (A) having a pore volume of from 0.3 mL/g to 1.0 mL/g and activated carbon (B) having a pore volume larger than that of the activated carbon (A)
Data Source
AI summary
Provided is a method of producing a purified chlorogenic acid-containing composition, including: a first step of dispersing or dissolving a rawmaterial chlorogenic acid-containing composition in an aqueous solution of organic solvent; a second step of removing a precipitate from a dispersion or a solution obtained in the first step; and a third step of bringing a solution obtained in the second step into contact with activated carbon including activated carbon (A) having a pore volume of from 0.3 mL/g to 1.0 mL/g and activated carbon (B) having a pore volume larger than that of the activated carbon (A), in which a difference [(B)-(A)] in pore volume between the activated carbon (A) and the activated carbon (B) is from 0.1 mL/g to 1.5 mL/g.