Oak Bark Extract Composition for ETEC Intestinal Infection Prevention

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Solution Overview

Problem

Current preventive measures for intestinal pathologies caused by enterotoxigenic Escherichia coli (ETEC) are inadequate, particularly for traveler's diarrhea (turista) and neonatal diarrhea in animals, as existing vaccines and medications have limitations such as side effects and antibiotic resistance issues.

Innovation Solution

A composition based on extracts from oak wood bark (Castanopsis cuspidata and Quercus acuta) containing Nekka-Rich, combined with inert excipients and additives like vitamins, trace elements, and probiotics, is developed for oral administration to prevent and treat intestinal infections by ETEC in humans and animals.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If bismuth subsalicylate medications are used for preventive treatment, then effectiveness against turista is improved, but side effects such as anxiety, muscle weakness, constipation, and muscle spasms worsen

Engineering Contradiction:
Improveeffectiveness against turistaVSAvoidside effects
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces long-term harmful chemical medications with a natural, biodegradable alternative derived from oak wood bark. The extract acts as a temporary, non-toxic intervention that eliminates the need for persistent chemical exposure, thereby resolving the contradiction between effectiveness and harmful side effects

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

Solution Approach 2:

The patent changes the chemical parameters of the treatment by using water extraction at controlled temperatures (50-100°C) to obtain a natural extract with different pharmacological properties. This parameter change transforms the treatment from harmful synthetic chemicals to beneficial natural compounds, maintaining effectiveness while eliminating side effects

Inventive Principle:
Principle #35Parameter changes

2Speed

If antibiotics are used to treat ETEC infections in animals, then immediate therapeutic effect is improved, but antibiotic resistance in ETEC strains worsens

Engineering Contradiction:
Improvetherapeutic effect speedVSAvoidantibiotic resistance
Core Design Contradiction:
SpeedVSReliability

Solution Approach 1:

The patent introduces oak wood bark extract as an intermediary substance that bridges the gap between immediate therapeutic needs and long-term resistance prevention. The extract contains tannins and other compounds that work synergistically to provide rapid symptom relief while simultaneously inhibiting resistance development through multiple mechanisms

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent uses a composite approach by combining multiple natural compounds from oak wood bark (tannins, flavonoids, phenolic compounds) to create a multi-target treatment that addresses both immediate infection control and long-term resistance prevention, replacing single-mechanism antibiotics

Inventive Principle:
Principle #40Composite materials

3Stability of the object's composition

If pro-biotics are used as preventive measure, then gut flora balance is improved, but effectiveness against turista is not demonstrated

Engineering Contradiction:
Improvegut flora balanceVSAvoideffectiveness against turista
Core Design Contradiction:
Stability of the object's compositionVSReliability

Solution Approach 1:

The patent applies preliminary action by administering the oak wood bark extract before potential ETEC exposure occurs. The extract prepares the gastrointestinal tract in advance by creating an unfavorable environment for pathogen colonization and enhancing protective mechanisms, thereby preventing infection before it can establish

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent utilizes the oxidizing properties of certain compounds in the oak wood bark extract (such as phenolic compounds and tannins) to create a hostile environment for bacterial pathogens. These oxidizing agents directly damage bacterial cell structures and inhibit their ability to colonize, providing demonstrated effectiveness against turista

Inventive Principle:
Principle #38Strong oxidants (Accelerated oxidation)

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 Nekka-Rich composition effectively reduces the incidence and severity of diarrhea, limits weight loss, body temperature fluctuations, and cytokine production, demonstrating significant preventive and curative benefits in animal models, which can be extrapolated for human use and veterinary applications.

Implementation Method 1

The inventors have discovered that compositions based on Nekka-Rich are useful for the prevention of certain intestinal pathologies

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

Nekka-Rich is an active charcoal, coming from very specific wood or oak bark containing 'wood vinegar'

Methodology Applied
Scientific EffectAntimicrobial effect:

Data Source

PatentEP2687221B1Nekka-Rich composition for the prevention of intestinal diseases
Publication Date: 2016.04.13 KAZTRADE
  • EP2687221B1 patent drawingFigure 1~2
  • EP2687221B1 patent drawingFigure 3~4
  • EP2687221B1 patent drawingFigure 5~6

AI summary

Composition based on extracts of oak wood bark (Castanopsis cuspidata and/or Quercus acuta) including as an active ingredient Nekka-Rich for the preventive and/or curative treatment of intestinal pathologies caused by enterotoxigenic Escherichia coli (ETEC) bacteria in humans or mammalian animals.