Stabilized Cannabinoid Emulsions Using Phase-Specific Antioxidants
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Solution Overview
Problem
Cannabinoids, particularly THC, undergo rapid chemical oxidation when emulsified in aqueous solutions, leading to significant degradation and reduced shelf-life stability, especially in polyphenol-rich beverages like beer and wine.
Innovation Solution
A stabilized cannabinoid composition is formulated with a combination of lipid-phase and aqueous-phase antioxidants, including ascorbic acid (vitamin C) and tocopherol (vitamin E), along with EDTA, to create an emulsion with improved stability, where THC is solubilized through cyclodextrin-mediated encapsulation or THC-glycosylation, and the composition can be administered in various dosage forms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cannabinoids are emulsified in aqueous solutions to improve solubility and bioavailability, then the cannabinoids can be delivered more effectively, but the cannabinoids undergo rapid chemical oxidation and degradation
Solution Approach 1:
The patent uses antioxidants (ascorbic acid in aqueous phase, tocopherol in lipid phase) as intermediary substances that mediate between the cannabinoids and the aqueous environment. These antioxidants act as sacrificial agents that preferentially oxidize instead of the cannabinoids, thereby protecting the cannabinoids from degradation while maintaining their solubility in the emulsion system.
Solution Approach 2:
The patent creates a composite emulsion system combining lipid phase, aqueous phase, and multiple antioxidants working synergistically. The lipid phase encapsulates the lipophilic cannabinoids, while the aqueous phase provides solubility enhancement. The combination of water-soluble ascorbic acid and lipid-soluble tocopherol creates a multi-phase composite structure that addresses both solubility and stability requirements simultaneously.
2Duration of action of stationary object
If antioxidants are added to prevent cannabinoid degradation, then shelf-life stability is improved, but the formulation complexity increases
Solution Approach 1:
The patent segments the antioxidant protection strategy into two distinct phases: water-soluble ascorbic acid in the aqueous phase and lipid-soluble tocopherol in the lipid phase. This segmentation allows each antioxidant to operate optimally in its respective phase, providing comprehensive protection while maintaining a relatively simple overall formulation that mirrors the natural two-phase structure of emulsions.
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 use of antioxidants significantly reduces chemical degradation of emulsified cannabinoids, extending shelf-life stability and maintaining potency over time, as demonstrated by heat-accelerated and room temperature storage trials, with negligible THC loss and minimal formation of off-colors and flavors.
Implementation Method 1
Cannabinoids entrapped in an emulsion particle are subjected to a high degree of water-exposure at the lipid-water interface, which results in relatively fast rates of loss via chemical oxidation
Implementation Method 2
The use of antioxidants significantly reduces chemical degradation of emulsified cannabinoids, extending shelf-life stability and maintaining potency over time
Implementation Method 3
THC is solubilized through cyclodextrin-mediated encapsulation or THC-glycosylation
Implementation Method 4
one or more solubilized cannabinoids
Implementation Method 5
a composition comprising one or more solubilized cannabinoids and at least one antioxidant, a metal chelator, or a combination thereof
Data Source
AI summary
This disclosure provides cannabinoid compositions with improved shelf-life stability, methods of use thereof, and methods of preparation thereof.