Lactate Ester and Benzaldehyde Antimicrobial Composition
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Solution Overview
Problem
Current antimicrobial agents for cosmetics and foodstuffs face challenges in providing broad-spectrum activity against microorganisms like Aspergillus and Staphylococcus, while being toxicologically acceptable, stable, inexpensive, and easily formulable, with a lack of clear correlation between chemical structure and biological activity, leading to inefficient testing and unpredictable performance in cosmetic formulations.
Innovation Solution
A composition comprising lactate esters in combination with benzaldehyde derivatives and aromatic alcohols or acids, which synergistically enhances antimicrobial activity against a wide range of microorganisms, including Aspergillus species, Candida, and Staphylococcus, without using biocides like parabens or formaldehyde donors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional antimicrobial agents are used to provide broad-spectrum activity, then antimicrobial efficacy is improved, but toxicological acceptability and skin tolerability deteriorate
Solution Approach 1:
The patent combines multiple antimicrobial agents (lactate esters, benzaldehyde derivatives, aromatic alcohols, and aromatic acids) into a composite formulation. This combination approach allows the synergistic effect of multiple substances to achieve broad-spectrum antimicrobial activity while distributing the toxicological burden across multiple components, each at lower individual concentrations, thereby improving overall toxicological acceptability.
Solution Approach 2:
The invention creates a composite antimicrobial system comprising multiple chemical entities with different mechanisms of action. This composite approach enables coverage against a wider range of microorganisms (Gram-positive and Gram-negative bacteria, yeast, molds) while maintaining better safety profile through the diversified chemical structure and distributed functional responsibilities among components.
2Stability of the object's composition
If antimicrobial agents are selected to be stable in cosmetic formulations, then formulation stability is improved, but antimicrobial activity against specific microorganisms deteriorates
Solution Approach 1:
The patent merges antimicrobial agents with complementary functional molecules (aromatic alcohols, aromatic acids) that enhance stability in cosmetic formulations. The combination includes substances that act as chelating agents, antioxidants, or buffer components, which stabilize the formulation while the lactate esters and benzaldehyde derivatives maintain antimicrobial activity, achieving both stability and efficacy simultaneously.
3Loss of time
If chemical structure-activity correlation is established to guide selection, then development time is reduced, but current knowledge is insufficient to predict performance
Solution Approach 1:
The patent performs preliminary combination of antimicrobial agents with stabilizing and synergistic molecules before final formulation. By pre-combining lactate esters with benzaldehyde derivatives, aromatic alcohols, and aromatic acids in defined ratios, the invention creates ready-to-use formulations that demonstrate both stability and antimicrobial activity, reducing the need for extensive trial-and-error testing while maintaining predictive capability through established combination protocols.
Data Source
AI summary
Suggested is a composition comprising(a) at least one lactate ester and(b1) at least one second compound selected from the group encompassing benzaldehyde derivatives, aromatic aldehydes and aromatic acids.