Creatine Nitrate Stability in Acidic Aqueous Solutions
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Solution Overview
Problem
Creatine is not stable in aqueous environments, particularly at lower pH levels, leading to rapid degradation into creatinine, which has hindered the development of shelf-stable liquid creatine formulations for dietary supplements and sports drinks.
Innovation Solution
A composition comprising creatine nitrate and creatinine, with specific molar ratios, is dissolved in water to create a stable liquid formulation that maintains creatine stability for extended periods at room temperature, even at acidic pH levels, by reducing the rate of creatine degradation and enhancing bioavailability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If creatine is dissolved in water to create liquid formulations, then ease of operation and consumer appeal are improved, but stability of creatine is worsened due to rapid degradation into creatinine
Solution Approach 1:
The patent introduces an intermediary substance (creatinine or its salts) into the aqueous creatine formulation. This intermediary acts as a stabilizing agent that suppresses the degradation of creatine into creatinine, thereby maintaining creatine stability in liquid form without requiring refrigeration or complex packaging
Solution Approach 2:
The patent changes the chemical composition parameters of the liquid formulation by adding creatinine or its salts at specific concentrations (0.1-10 mM). This parameter change fundamentally alters the degradation kinetics, allowing the formulation to remain stable at room temperature for extended periods
2Stability of the object's composition
If creatine is stabilized in aqueous environments through chemical additives, then stability is improved, but device complexity and formulation complexity increase
Solution Approach 1:
The patent achieves stability by adjusting simple compositional parameters - adding creatinine or its salts at readily available concentrations. This approach avoids complex stabilizing systems, exotic chemicals, or sophisticated delivery mechanisms, maintaining formulation simplicity while achieving the desired stability
3Stability of the object's composition
If refrigeration is used to maintain creatine stability in liquid formulations, then stability is improved, but loss of time and storage requirements increase
Solution Approach 1:
The patent uses creatinine or its salts as an intermediary stabilizing agent that enables room-temperature storage. This eliminates the need for refrigeration, allowing the product to be stored and distributed without cold chain infrastructure, thereby reducing storage time constraints and logistical complexity
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 formulation ensures that at least 70% of the original creatine content remains stable for several months to a year, allowing for the production of effective, shelf-stable liquid dietary supplements and sports drinks without refrigeration, while also improving bioavailability and muscle utilization.
Implementation Method 1
A composition comprising creatine nitrate and creatinine, with specific molar ratios, is dissolved in water to create a stable liquid formulation that maintains creatine stability for extended periods at room temperature, even at acidic pH levels, by reducing the rate of creatine degradation
Data Source
AI summary
The disclosure is directed to stable creatine compositions comprising creatinine, compositions comprising creatinine, and methods of using such compositions.