Chicoric Acid Phytosanitary Composition for Aphid Control

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Solution Overview

Problem

Current insecticides are toxic to humans and the environment, and their widespread use leads to the development of resistant insect populations, necessitating the need for effective, non-toxic compounds with high insecticidal power against aphids at low doses.

Innovation Solution

Chicoric acid, a compound with proven insecticidal properties, is used in phytosanitary applications to repel or eliminate aphids and other plant pests, formulated in concentrations ranging from 0.06 to 5 mM, offering a repellent or toxic effect depending on the dose.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional insecticides are used to control aphids, then insecticidal efficacy is improved, but toxicity to humans and environment worsens

Engineering Contradiction:
Improveinsecticidal efficacyVSAvoidtoxicity to humans and environment
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the chemical parameter from synthetic insecticides to chicoric acid, a natural phenolic compound. This parameter change maintains insecticidal efficacy through the acid's toxic and repellent effects on aphids while eliminating the harmful toxicity associated with conventional synthetic insecticides to humans and the environment.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If conventional insecticides are used repeatedly, then initial control effect is improved, but development of resistant insect populations worsens

Engineering Contradiction:
Improvecontrol effectVSAvoidinsect resistance
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent changes the chemical parameter from conventional insecticides to chicoric acid, which operates through different mechanisms (toxic and repellent effects) that aphids have not developed resistance against. This parameter change provides sustained control effectiveness without the resistance problem that plagues repeated use of conventional insecticides.

Inventive Principle:
Principle #35Parameter changes

3Power

If high doses of insecticides are used to ensure effectiveness, then insecticidal power is improved, but harm to human health and environment worsens

Engineering Contradiction:
Improveinsecticidal powerVSAvoidharm to human health and environment
Core Design Contradiction:
PowerVSObject-affected harmful factors

Solution Approach 1:

The patent changes the chemical parameter to chicoric acid, which provides high insecticidal power through its natural toxic and repellent properties. The key advantage is that this high power is achieved without the harmful effects on human health and environment that characterize high-dose conventional insecticide applications.

Inventive Principle:
Principle #35Parameter changes

4Object-affected harmful factors

If natural origin insecticides are used to reduce toxicity, then safety is improved, but insecticidal efficacy may worsen

Engineering Contradiction:
ImprovetoxicityVSAvoidinsecticidal efficacy
Core Design Contradiction:
Object-affected harmful factorsVSReliability

Solution Approach 1:

The patent selects a specific natural compound parameter - chicoric acid - that overcomes the typical limitation of natural insecticides. This phenolic acid from the Asteraceae family provides both the safety of natural origin (low toxicity) and superior insecticidal efficacy through its dual toxic and repellent actions on aphids.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP3107388B1Phytosanitary composition
Publication Date: 2018.04.25 INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE
  • EP3107388B1 patent drawingFigure 1A~1B
  • EP3107388B1 patent drawingFigure 2A~2B
  • EP3107388B1 patent drawingFigure 3

AI summary

The use of a polyhydroxylated polyaromatic compound, in particular of chicoric acid, for combating plant pests and phytosanitary composition comprising chicoric acid.