Paraffin Oil Inoculant Stabilizes Microbial Viability

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Solution Overview

Problem

Current inoculant compositions face challenges in maintaining the stability and survival of agriculturally beneficial microorganisms, which is crucial for their effectiveness in agricultural applications.

Innovation Solution

The use of paraffin oils and waxes in inoculant compositions and seed coatings to enhance the stability and survival of microbial cells and spores, potentially combined with dispersants, to improve their viability and effectiveness.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional inoculant compositions are used, then microorganisms can be applied to seeds, but their stability and survival rate decreases under environmental conditions

Engineering Contradiction:

Improvemicrobial stabilityVSAvoidenvironmental stress

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent employs paraffin oil as an inert carrier medium that creates a protective environment for microbial cells and spores. The oil phase provides a stable, non-reactive atmosphere that shields microorganisms from harmful environmental factors such as oxidation, desiccation, and temperature fluctuations, thereby maintaining their viability and stability during storage and application.

Inventive Principle:

Principle #39Inert atmosphere (Inert environment)

Solution Approach 2:

The invention uses composite formulations combining paraffin oil with microbial cells/spores and potentially other stabilizing agents. This composite structure leverages the protective properties of the paraffin matrix while incorporating the biological functionality of the microorganisms, creating a synergistic system that enhances both stability and efficacy.

Inventive Principle:

Principle #40Composite materials

2Reliability

If microbial cells/spores are coated on seeds, then inoculation is achieved, but microbial viability decreases during storage and handling

Engineering Contradiction:

Improvemicrobial viabilityVSAvoidstorage duration

Core Design Contradiction:

ReliabilityVSDuration of action of stationary object

Solution Approach 1:

Paraffin oil provides an inert environment that protects microbial cells during storage, preventing degradation from exposure to air, moisture, and temperature variations. This extends the viable storage duration of inoculants while maintaining high microbial viability until application.

Inventive Principle:

Principle #39Inert atmosphere (Inert environment)

Solution Approach 2:

The paraffin oil coating acts as a flexible protective film around the microbial cells and seed surface. This thin film barrier prevents direct contact between microorganisms and harmful environmental conditions during storage and handling, preserving viability over extended periods.

Inventive Principle:

Principle #30Flexible shells and thin films

3Manufacturing precision

If dispersants are added to improve microbial distribution, then coating uniformity improves, but formulation complexity increases

Engineering Contradiction:

Improvecoating uniformityVSAvoidformulation complexity

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The paraffin oil-based formulation exhibits self-dispersing properties due to its inherent compatibility with both hydrophobic seed surfaces and microbial cells. This self-service characteristic eliminates or reduces the need for additional dispersant chemicals and complex mixing equipment, achieving uniform coating through the natural properties of the paraffin carrier.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent achieves homogeneous distribution of microbial cells within the paraffin oil matrix and on seed surfaces through the uniform miscibility and consistent physical properties of the paraffin carrier. This homogeneity in the formulation simplifies the overall system while ensuring precise and uniform coating application.

Inventive Principle:

Principle #33Homogeneity

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 incorporation of paraffin oils and waxes in inoculant compositions and seed coatings significantly enhances the stability and survival of microbial cells and spores, leading to improved plant growth and yield by maintaining microbial viability under various environmental conditions.

Implementation Method 1

use of one or more paraffin oils and/or waxes for stabilizing microbial cells/spores

Methodology Applied

Scientific EffectPhysical barrier protection:

Implementation Method 2

enhancing the stability and survival of microbial cells and/or spores in inoculant compositions

Methodology Applied

Scientific EffectMoisture retention:

Data Source

PatentUS12252688B2Stable inoculant compositions comprising paraffin oils/waxes

Publication Date: 2025.03.18 NOVONESIS PLANT BIOSOLUTIONS AS

AI summary

The present disclosure provides inoculant compositions and methods for enhancing the survival and/or stability of microbial cells and/or spores in an inoculant composition. In some embodiments, inoculant compositions of the present disclosure comprise microbial cells and/or spores in a carrier comprising one or more paraffin oils and/or waxes.