Biosurfactant Composition for Plant ROS and Photosynthesis Protection

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Solution Overview

Problem

Existing compositions fail to address the decrease in photosynthetic capacity caused by reactive oxygen species (ROS) in plants under abiotic stresses such as high or low temperature, salt, and drying conditions.

Innovation Solution

A composition comprising peptide-based and sugar-based biosurfactants, optionally with phospholipids and soybean meal degradation products, applied as a spray to plant leaves, which suppresses ROS generation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If plants are exposed to abiotic stresses (high temperature, low temperature, salt, drying), then environmental stress resistance is improved, but photosynthetic capacity decreases due to ROS generation

Engineering Contradiction:
Improveenvironmental stress resistanceVSAvoidphotosynthetic capacity
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent applies biosurfactants to convert the harmful effect of ROS into a beneficial outcome. The biosurfactants reduce ROS generation in plants under stress, thereby protecting photosynthetic capacity while maintaining stress resistance. This transforms the harmful ROS pathway into a controlled process where the damage is mitigated by the surfactant intervention.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The biosurfactant acts as an intermediary substance between the plant and the environmental stress. It mediates the interaction by reducing ROS generation without eliminating the stress exposure, allowing the plant to maintain both stress resistance and photosynthetic function through the surfactant's protective role.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If conventional surfactants are used, then application ease is improved, but harmful effects on plants increase

Engineering Contradiction:
Improveapplication easeVSAvoidharmful effects on plants
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent changes the chemical parameters of the surfactant from conventional synthetic types to biosurfactants with different molecular structures and properties. This parameter change results in reduced harmful effects on plants while maintaining the ease of application, as the biosurfactants are biocompatible and naturally derived.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The invention uses composite or mixed biosurfactant systems comprising different types (peptide-based, sugar-based, phospholipid-based) to achieve both ease of application and reduced harm. The composite nature allows optimization of both operational properties and plant compatibility.

Inventive Principle:
Principle #40Composite materials

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 composition effectively reduces ROS generation, thereby maintaining or enhancing photosynthetic capacity in plants under stress conditions.

Implementation Method 1

provides a novel composition comprising a biosurfactant

Methodology Applied
Scientific EffectSurfactant: Surfactant

Data Source

PatentEP4595754A1Composition for reducing amount of reactive oxygen
Publication Date: 2025.08.06 KANEKA CORP
  • EP4595754A1 patent drawingFigure 1
  • EP4595754A1 patent drawingFigure 2
  • EP4595754A1 patent drawingFigure 3

AI summary

An objective of this disclosure is to provide a composition for reducing reactive oxygen that can suppress a decrease in photosynthetic capacity by ROS. One of embodiments is a composition for reducing reactive oxygen comprising at least one biosurfactant selected from peptide-based biosurfactants and sugar-based biosurfactants, and an agriculturally acceptable carrier.