Cyclodextrin-Polymer Resin for Selective Phytocannabinoid Recovery
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Solution Overview
Problem
Current extraction technologies for phytocannabinoids and other plant metabolites face challenges such as high costs, limited access to highly purified forms, batch-to-batch variability, and inability to accurately measure minor bioactive constituents, which hinders the therapeutic potential of cannabis-derived medicines and complicates regulatory compliance.
Innovation Solution
The method employs cyclic polysaccharides, like cyclodextrins, incorporated into polymeric frameworks for selective capture, release, and purification of hydrophobic compounds from plant extracts, using structure-specific guest-host molecular interactions to facilitate chromatographic separation and recovery of target metabolites.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional extraction technologies are used for phytocannabinoids, then extraction can be performed, but the cost is high and access to highly purified forms is limited
Solution Approach 1:
The patent extracts only the necessary functional component (cyclodextrin binding capability) and applies it to a inexpensive polymeric support matrix. This separates the expensive purification function from the bulk material, allowing high purification performance at low cost through the reusable resin system.
Solution Approach 2:
The patent creates a composite material by combining cyclodextrin molecules with a polymeric support matrix. This composite resin integrates the selective binding properties of cyclodextrin with the mechanical stability and low cost of polymeric materials, achieving both high purification precision and ease of manufacture.
2Stability of the object's composition
If conventional extraction methods are used, then plant metabolites can be extracted, but batch-to-batch variability occurs
Solution Approach 1:
The patent changes the fundamental parameter of the extraction system from variable natural plant matrices to a controlled synthetic polymeric resin with consistent cyclodextrin binding sites. This standardization of the stationary phase parameters ensures reproducible binding behavior across batches while maintaining high extraction efficiency.
3Measurement precision
If conventional analysis methods are used, then major compounds can be detected, but accurate measurement of minor bioactive constituents is impossible
Solution Approach 1:
The patent applies local quality by designing cyclodextrin units with specific cavity sizes that are optimized for binding particular molecular dimensions. This creates localized binding environments within the resin that can selectively capture and concentrate minor constituents based on their specific molecular characteristics, enabling accurate measurement of trace 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 approach enables efficient, cost-effective, and accurate recovery of phytocannabinoids and other hydrophobic compounds, reducing batch variability and improving therapeutic outcomes by ensuring consistent and high-purity metabolite isolation, thus enhancing regulatory oversight and medical confidence.
Implementation Method 1
using structure-specific guest-host molecular interactions to facilitate chromatographic separation and recovery of target metabolites
Implementation Method 2
A hydrophilic solvent, which is less hydrophobic than the hydrophobic solvent, is combined with the solution or combined with the hydrophobic target substance and the insoluble polysaccharide after evaporation of the hydrophobic solvent
Data Source
AI summary
A method of selectively recovering a hydrophobic target substance. The method is applied to a solution of the target substance in a hydrophobic solvent. An insoluble polysaccharide is combined with the solution, the solution is passed over the insoluble polysaccharide or otherwise exposed to the insoluble polysaccharide. A hydrophilic solvent, which is less hydrophobic than the hydrophobic solvent, is combined with the solution or combined with the hydrophobic target substance and the insoluble polysaccharide after evaporation of the hydrophobic solvent to facilitate binding of the insoluble polysaccharide with the target substance rather than remaining in solution in the hydrophobic solvent. The cyclic polysaccharide is isolated from the solution. A dissociation solvent is combined with the cyclic polysaccharide for solubilizing the target substance from the cyclic polysaccharide and recovering the target substance.