Low-acyl Gellan Gum Particle Suspension in Carbonated Beverages
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Solution Overview
Problem
Existing beverage formulations struggle to maintain non-spherical particles, such as mica-based pearlescent pigments and fruit pulp particles, in suspension, especially in carbonated beverages, where particles tend to aggregate or rise to the surface due to directional forces and carbonation bubbles.
Innovation Solution
A beverage formulation incorporating low-acyl gellan gum, a gelation inducing agent, and insoluble particles, where the low-acyl gellan gum undergoes a gel transition that exceeds a minimum gelation threshold to suspend at least 50% of the particles within the top 90% of the beverage volume for 24 hours without agitation, while avoiding excessive gelation that would cause particles to rise to the surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If surface modification of particles is used to improve suspension, then particle suspension stability is improved, but manufacturing cost increases significantly
Solution Approach 1:
The patent introduces a polysorbate surfactant as an intermediary substance that mediates between the hydrophobic particles and the aqueous beverage medium. The surfactant molecules adsorb onto particle surfaces, providing hydrophilic outer surfaces that enable suspension without requiring expensive surface modification of the particles themselves. This resolves the contradiction by achieving stable suspension through a low-cost surfactant additive rather than expensive particle surface treatment.
2Stability of the object's composition
If gelation is increased to improve particle suspension, then particle suspension stability is improved, but particles may rise to the surface due to excessive gelation and carbonation bubbles
Solution Approach 1:
The patent carefully controls the gelation parameters by adjusting the concentration of low-acyl gellan gum and the pH level. By maintaining gelation within a specific range (exceeding minimum threshold but not exceeding maximum threshold), the system achieves sufficient viscosity to suspend particles while avoiding excessive gelation that would cause particles to aggregate and rise with carbonation bubbles. This parameter optimization resolves the contradiction between suspension stability and uniform distribution.
3Duration of action of moving object
If low-acyl gellan gum concentration is increased to improve suspension, then particle suspension duration is improved, but particle aggregation and rising to surface increases
Solution Approach 1:
The patent optimizes the low-acyl gellan gum concentration within a specific range (0.001% to 0.15%) to achieve the desired balance. This controlled concentration provides sufficient gelation to maintain particle suspension for extended periods (at least 50% of particles remaining in the top 90% volume after 24 hours) while preventing excessive gelation that would cause particle aggregation and rising. The synergistic combination with polysorbate surfactant further enhances suspension duration without compromising uniformity.
4Stability of the object's composition
If gelation threshold is exceeded to maintain particle suspension, then particle suspension stability is improved, but particles aggregate within or near carbonation bubbles
Solution Approach 1:
The polysorbate surfactant acts as a protective intermediary between particles and carbonation bubbles. It forms a protective layer around particles, preventing them from aggregating within or near rising carbonation bubbles. This allows the system to utilize sufficient gelation for suspension stability while the surfactant prevents the harmful aggregation effect, resolving the contradiction between suspension stability and particle aggregation prevention.
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 effectively maintains insoluble particles in suspension for an extended period, preventing aggregation and rising to the surface, even in carbonated beverages, thereby improving the stability and longevity of particle suspension.
Implementation Method 1
The low-acyl gellan gum has undergone a gel transition that exceeds a minimum gelation threshold and does not exceed a maximum gelation threshold
Implementation Method 2
a second proportion of the insoluble particles within the beverage and/or a gelled portion of the low-acyl gellan gum rise to the top 10% of the volume of the beverage by way of rising bubbles traveling upward through the beverage
Data Source
AI summary
Beverages with improved particle suspension properties are disclose, along with methods of making the same. The beverages include a low-acyl gellan gum and insoluble particles. The low-acyl gellan gum undergoes a gel transition that provides adequate gelation to maintain the particles in suspension. The low-acyl gellan gum undergoes the gel transition below a threshold above which the particles and/or a gelled portion of the gum would rise to the top of the beverage via bubbles moving upward through the beverage.