Agrimonia eupatoria Extract Using Cyclodextrin Inclusion Complexes
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Solution Overview
Problem
Current methods for extracting Agrimonia eupatoria extract face challenges in recovering active ingredients and enhancing bioavailability, leading to inefficient liver function improvement and treatment of liver diseases due to low solubility and aggregation issues.
Innovation Solution
A method involving the use of a solvent containing cyclodextrin to form inclusion complexes with Agrimonia eupatoria extract, increasing solubility and bioavailability by dissolving cyclodextrin in an organic solvent and extracting Agrimonia eupatoria at controlled temperatures and pH, resulting in a higher yield and improved liver function indicators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional extraction methods are used for Agrimonia eupatoria, then the extraction process is simple, but the recovery rate of active ingredients and bioavailability are low
Solution Approach 1:
Cyclodextrin is used as an intermediary substance to form inclusion complexes with active ingredients during extraction. This mediator enhances the solubility and stability of hydrophobic compounds, significantly improving the recovery rate of active ingredients while maintaining a relatively simple extraction process using aqueous cyclodextrin solutions
Solution Approach 2:
The extraction system combines cyclodextrin with water to create a composite extraction medium. This composite solvent system leverages the unique molecular structure of cyclodextrin (with hydrophobic interior and hydrophilic exterior) to simultaneously extract and stabilize active ingredients, achieving high recovery rates without excessive process complexity
2Reliability
If conventional extraction methods are used for Agrimonia eupatoria, then the process is straightforward, but the solubility and bioavailability of the extract are poor
Solution Approach 1:
Cyclodextrin acts as a mediator that forms inclusion complexes with hydrophobic active ingredients, dramatically improving their aqueous solubility and bioavailability. The cyclodextrin cavity encapsulates the hydrophobic molecules, protecting them from aggregation and enhancing their dissolution and absorption in biological systems
Solution Approach 2:
The extraction process utilizes parameter changes including temperature control (40-80°C), pH adjustment (5.0-7.0), and cyclodextrin concentration optimization (1-10%) to maximize the formation of stable inclusion complexes, thereby improving solubility and bioavailability while maintaining process simplicity
3Reliability
If higher doses of Agrimonia eupatoria extract are used to improve liver function, then the therapeutic effect may be enhanced, but the aggregation issues and reduced bioavailability persist
Solution Approach 1:
Cyclodextrin serves as a mediator that prevents aggregation of active ingredients through inclusion complex formation. This stabilization allows the active ingredients to remain in solution at lower concentrations, achieving the same therapeutic effect with reduced dosing while eliminating aggregation-related bioavailability issues
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 significantly increases the recovery rate of active ingredients and bioavailability of Agrimonia eupatoria extract, effectively improving liver function and reducing liver cell injury markers like ALT and AST, even at lower doses, as demonstrated by liver histopathological analysis.
Implementation Method 1
a method involving the use of a solvent containing cyclodextrin to form inclusion complexes with Agrimonia eupatoria extract, increasing solubility and bioavailability
Data Source
AI summary
The present invention relates to: an Agrimonia eupatoria extract preparation method for promoting the recovery rate and bioavailability of an active ingredient; and a composition for improving liver functions or treating liver diseases, containing the extract. More specifically, the present invention provides an Agrimonia eupatoria extract preparation method capable of extracting Agrimonia eupatoria by using a solvent in which cyclodextrin is dissolved, thereby increasing the recovery rate and bioavailability of an active ingredient, and provides a health functional food for improving liver functions or an agent for treating liver diseases, the food and the agent containing an Agrimonia eupatoria extract and having enhanced efficacy.