Water Soluble Soybean Polysaccharide Prebiotic Selectivity

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Solution Overview

Problem

Current prebiotic compositions for managing gut health are inadequate, and there is a need for new prebiotic formulations that effectively stimulate the growth of beneficial gut microbiota, particularly bifidobacteria, to promote overall health.

Innovation Solution

A composition comprising water soluble soybean polysaccharides with a galacturonic acid content of less than 40 mol% and a neutral sugar content of over 40 mol%, which selectively stimulates the growth of bifidobacteria when consumed in amounts of at least 2 grams per day, acting as a prebiotic to enhance gut health.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional prebiotics (inulin, lactulose, fructo-oligosaccharides) are used to stimulate beneficial gut microbiota, then bifidobacteria growth is enhanced, but the prebiotic composition lacks selectivity and may not provide sufficient health benefits

Engineering Contradiction:

Improveprebiotic effectivenessVSAvoidselectivity for beneficial bacteria

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent changes the chemical parameters of the prebiotic by using water-soluble soybean polysaccharides with specific molecular weight ranges (10,000-500,000 Da) and controlled galacturonic acid content (5-30%), creating a more selective substrate that preferentially stimulates bifidobacteria growth while maintaining prebiotic effectiveness

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention combines multiple components with specific properties: water-soluble soybean polysaccharides as the main prebiotic substrate, controlled molecular weight distribution, and specific sugar composition (galactose, arabinose, rhamnose, galacturonic acid), creating a composite prebiotic material with enhanced selectivity and effectiveness

Inventive Principle:

Principle #40Composite materials

2Reliability

If water soluble soybean polysaccharide is used as prebiotic, then bifidobacteria growth is selectively stimulated, but the polysaccharide may cause protein aggregation and sedimentation in acidic beverages

Engineering Contradiction:

Improveprebiotic selectivityVSAvoidprotein stability in acidic medium

Core Design Contradiction:

ReliabilityVSStability of the object's composition

Solution Approach 1:

The patent optimizes the molecular weight parameters of the soybean polysaccharide (10,000-500,000 Da) and controls the galacturonic acid content (5-30%), which modifies the polysaccharide's interaction with proteins in acidic environments, reducing aggregation while maintaining prebiotic selectivity for bifidobacteria

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention creates different functional zones within the polysaccharide structure: regions with specific molecular weights and sugar compositions that provide prebiotic activity, while other regions maintain protein stability in acidic beverages, allowing simultaneous fulfillment of multiple functions

Inventive Principle:

Principle #3Local quality

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 water soluble soybean polysaccharide composition effectively stimulates the growth of bifidobacteria, leading to improved gut health through enhanced immune system stimulation, bowel function, and protection against infectious diseases, while also acting as a protein stabilizer in acidic beverages, preventing protein aggregation and sedimentation.

Implementation Method 1

A prebiotic has been defined as 'a nondigestible food ingredient that beneficially affects the host by selectively stimulating the growth and/or activity of one or a limited number of bacteria in the colon'

Methodology Applied

Scientific EffectFermentation: Fermentation

Implementation Method 2

production of short chain fatty acids and reduction of microbiota associated enzyme activities involved in the production of carcinogens and gentoxins

Methodology Applied

Scientific EffectMetabolic production of short chain fatty acids: