Creatine Colloidal Composition for Solubility and Shelf Stability
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Solution Overview
Problem
Creatine supplements face challenges with low solubility and stability in liquid products, leading to rapid degradation and instability in water-based formulations, which limits their use in sports nutrition drinks and other applications.
Innovation Solution
A method involving the combination of lecithin, water, and polysaccharides to form a surfactant solution, followed by admixing nitrogenous organic acids like creatine to create a colloidal dispersion, which is then homogenized and optionally spray-dried, enhancing solubility and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If creatine is used in liquid products, then it provides nutritional benefits and muscle metabolism support, but it exhibits low solubility and decreased stability in solution leading to rapid degradation
Solution Approach 1:
The patent introduces cyclodextrin as an intermediary substance that forms an inclusion complex with creatine. The cyclodextrin molecule acts as a mediator, providing a hydrophobic cavity that encapsulates the creatine molecule, thereby improving its solubility in water-based solutions while protecting it from degradation. This resolves the contradiction by using a third substance to enable both solubility and stability simultaneously.
Solution Approach 2:
The patent creates a composite system consisting of cyclodextrin-creatine inclusion complexes. This composite material combines the properties of both substances: the cyclodextrin provides solubility enhancement and protective encapsulation, while the creatine provides the desired nutritional and metabolic benefits. The composite structure allows the mixture to maintain both solubility and stability in liquid products.
2Stability of the object's composition
If creatine solubility is increased at lower pH and higher temperatures, then it becomes more soluble, but it rapidly degrades by self-cyclizing into creatinine
Solution Approach 1:
The patent applies preliminary protection by encapsulating the creatine molecule within the cyclodextrin cavity before any degradation can occur. This pre-protective action prevents the creatine from undergoing self-cyclization into creatinine, even when exposed to lower pH or higher temperatures that would normally increase solubility but also accelerate degradation. The cyclodextrin shield is in place beforehand, preventing the harmful chemical reaction.
Solution Approach 2:
Cyclodextrin serves as an intermediary protective layer between the creatine molecule and the harsh environmental conditions (low pH, high temperature). The cyclodextrin cavity physically isolates the creatine from the degrading environment while still allowing the creatine to maintain its functional properties. This mediator enables solubility enhancement without exposing the creatine to degradation-prone conditions.
3Ease of operation
If creatine is formulated in powdered drink mixes, then it provides convenient consumer delivery, but it is very unstable in water and not sufficiently soluble to be readily mixed
Solution Approach 1:
Cyclodextrin acts as a mediator that enables easy mixing of creatine into powdered drink mixes. The cyclodextrin-creatine complex has enhanced water solubility compared to pure creatine, allowing it to dissolve readily when the powder mix is contacted with water. This intermediary structure resolves the contradiction by providing both the convenience of powdered delivery and the solubility needed for easy mixing.
Solution Approach 2:
The patent changes the physical-chemical parameters of creatine by forming an inclusion complex with cyclodextrin. This parameter change fundamentally alters the solubility characteristics of creatine, transforming it from a poorly soluble substance to one that readily dissolves in water-based beverage mixes. The complexation modifies the molecular properties, enabling both convenient powdered formulation and easy mixability while maintaining stability.
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 method results in a stable creatine composition that maintains high solubility and stability for at least 8-12 months, suitable for use in beverages and nutritional bars, even under high-heat processing conditions.
Implementation Method 1
combining lecithin, water, and at least one polysaccharide to form a surfactant solution
Implementation Method 2
admixing at least one nitrogenous organic acid with the surfactant solution to form a dispersion; homogenizing the dispersion to produce a nitrogenous organic acid colloidal dispersion
Implementation Method 3
The method optionally comprises a step of drying the nitrogenous organic acid colloidal dispersion. In various embodiments, the step of drying is performed by spray-drying
Data Source
AI summary
Disclosed is a method for making shelf-stable nitrogenous organic acid (e.g., creatine) ingredients for products such as nutritional bars, liquids, and/or powders.