Soft Capsule Film Stabilizing Tyndalized Bacteria Against Separation

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Solution Overview

Problem

Existing soft capsules face challenges in maintaining homogeneity and stability of insoluble ingredients like dead bacteria, particularly when using high-fat oils and surfactant-suspending agents, leading to separation and denaturation during high-temperature processes.

Innovation Solution

A soft capsule design with a capsule shell layer composed of a high-viscosity polymer material, such as gelatin, that stabilizes dead bacteria by preventing separation and sedimentation, ensuring homogeneity even with small amounts of these ingredients.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If surfactant-suspending agents are used to disperse insoluble ingredients, then homogeneity is improved, but heat-sensitive ingredients are destroyed or denatured due to high-temperature processing

Engineering Contradiction:
Improvehomogeneity of fill solutionVSAvoiddenaturation of heat-sensitive ingredients
Core Design Contradiction:
Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The patent changes the temperature parameter during formulation from high temperature (60°C or higher) to room temperature or lower temperatures, allowing surfactant-suspending agents to function effectively without causing thermal denaturation of heat-sensitive ingredients like vitamins and herbal extracts

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent introduces surfactant-suspending agents as intermediary substances that mediate between insoluble ingredients and the aqueous or oily base, enabling homogeneous dispersion without requiring high-temperature processing

Inventive Principle:
Principle #24Intermediary (Mediator)

2Stability of the object's composition

If high-fat oils and fats are used as surfactant-suspending agents, then homogeneity is improved, but stability deteriorates due to destruction of heat-sensitive ingredients

Engineering Contradiction:
Improvehomogeneity of fill solutionVSAvoidstability of heat-sensitive ingredients
Core Design Contradiction:
Stability of the object's compositionVSReliability

Solution Approach 1:

The patent changes the temperature parameter from high temperature (60°C or higher) to room temperature or lower, allowing the use of surfactant-suspending agents including high-fat oils and fats without causing thermal destruction of heat-sensitive ingredients

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent uses readily available surfactant-suspending agents including high-fat oils and fats that can be easily incorporated into the formulation at low temperatures, providing effective homogenization without compromising ingredient stability

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Device complexity

If small amounts of solid pharmaceutically active ingredients are added, then formulation complexity is reduced, but homogeneity deteriorates due to separation and deposition over time

Engineering Contradiction:
Improveformulation complexityVSAvoidhomogeneity over time
Core Design Contradiction:
Device complexityVSStability of the object's composition

Solution Approach 1:

The patent introduces surfactant-suspending agents as intermediary substances that coat and stabilize small amounts of solid pharmaceutically active ingredients, preventing their separation and deposition over time while maintaining formulation simplicity

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the temperature parameter to low or room temperature processing, which prevents the separation and deposition of small amounts of solid ingredients by maintaining stable dispersion conditions throughout the product lifecycle

Inventive Principle:
Principle #35Parameter changes

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 capsule shell layer maintains the homogeneity and stability of dead bacteria, preventing separation and denaturation, while allowing for the inclusion of functional oils without affecting their stability, and providing benefits like anti-inflammation and immunomodulation.

Implementation Method 1

a polymer material forming the capsule shell layer may have high viscosity. For example, the viscosity of the polymer material may be 8,000 to 20,000 cP at 60° C.

Methodology Applied
Scientific EffectViscosity: Viscometer

Implementation Method 2

dead bacteria which are stable in heat

Methodology Applied
Scientific EffectThermal stability: Heat Treatment

Data Source

PatentUS12440520B2Soft capsule containing tyndalized bacteria in film
Publication Date: 2025.10.14 PHIL - INT
  • US12440520B2 patent drawing
  • US12440520B2 patent drawing
  • US12440520B2 patent drawing

AI summary

The present invention relates to a soft capsule comprising tyndalized bacteria in a film. The soft capsule, according to the present invention, can secure homogeneity of the tyndalized bacteria in the film even with a trace amount of the tyndalized bacteria, and since functional ingredients and the tyndalized bacteria can be administered simultaneously, the advantages due to the functional ingredients and the advantages due to the tyndalized bacteria can be obtained simultaneously.