Cyclodextrin-Methylglyoxal Complexes for Stable Antimicrobial Activity
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Solution Overview
Problem
Manuka honey's antimicrobial activity is unstable and requires frequent application or ingestion for effective treatment of microbial infections, necessitating the development of compositions that maintain or enhance its antimicrobial properties for prolonged durations.
Innovation Solution
Formulating antimicrobial compositions containing methylglyoxal and cyclodextrin, with manuka honey as a primary component, to maintain or enhance the antimicrobial activity, suitable for various applications including pharmaceuticals, consumer goods, and industrial use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manuka honey is used for treatment of microbial infections, then antimicrobial activity is achieved, but the activity is unstable and requires frequent application
Solution Approach 1:
The patent introduces cyclodextrin as an intermediary substance that forms inclusion complexes with methylglyoxal from manuka honey. This complexation stabilizes the antimicrobial agent, preventing its rapid degradation and extending its active lifespan in the composition, thereby resolving the instability issue without requiring frequent reapplication
2Reliability
If manuka honey is applied frequently to maintain effectiveness, then antimicrobial activity is sustained, but dosage frequency and convenience are reduced
Solution Approach 1:
The patent formulates a composition where cyclodextrin-methylglyoxal inclusion complexes provide continuous release and sustained antimicrobial activity. This eliminates the need for frequent applications while maintaining effective treatment levels, as the complexed form releases methylglyoxal progressively over time
3Reliability
If manuka honey concentration is increased to enhance antimicrobial activity, then efficacy is improved, but composition stability and safety are compromised
Solution Approach 1:
Cyclodextrin serves as a stabilizing intermediary that binds to methylglyoxal molecules, preventing their premature reaction or degradation. This allows the composition to maintain high antimicrobial efficacy through sustained methylglyoxal availability while preserving composition stability and safety profiles
4Reliability
If manuka honey is used in pharmaceutical formulations, then antimicrobial treatment is achieved, but manufacturing complexity and formulation stability are challenges
Solution Approach 1:
The patent employs cyclodextrin as a formulation intermediary that simplifies the integration of manuka honey extracts into pharmaceutical compositions. The inclusion complex formation provides a stable, pre-formed delivery mechanism that reduces formulation complexity and enhances storage stability while maintaining treatment effectiveness
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 compositions sustain antimicrobial activity for extended periods, reducing dosage frequency and enhancing efficacy, while being safe for human use and applicable in treating microbial infections and promoting wound healing.
Implementation Method 1
The present invention is based on the finding that by admixing, for example by mixing and powderizing, materials comprising methylglyoxal and materials comprising cyclodextrin, the antimicrobial activity of the original materials is at least maintained or preferably is enhanced
Data Source
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AI summary
This invention provides antimicrobial compositions containing methylglyoxal and material with methylglyoxal contained (such as manuka honey). The antimicrobial activity of methylglyoxal, or material with a methylglyoxal presence, is maintained and/or enhanced by mixing methylglyoxal or material with a methylglyoxal presence with cyclodextrin. Methods of preparing such compositions, including powder composition, and methods of using such compositions are also provided.