Turmeric Extract Emulsifiable Concentrate for Stable Powdery Mildew Control
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Solution Overview
Problem
Conventional chemical pesticides for controlling plant powdery mildew lead to pathogen resistance, environmental pollution, and health risks, necessitating the development of environmentally friendly and effective biopesticides.
Innovation Solution
An emulsifiable concentrate formulation of Curcuma longa rhizome extract is developed, comprising 30-70% Curcuma longa rhizome extract, 10-35% emulsifier, and 15-50% solvent, with optimized components for stability and efficacy, ensuring prolonged and consistent control of powdery mildew without environmental accumulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If synthetic chemical pesticides are used for controlling powdery mildew, then immediate prevention and treatment effects are achieved, but pathogen resistance develops and environmental pollution occurs
Solution Approach 1:
The patent changes the chemical composition parameters by using Curcuma longa rhizome extract (containing curcuminoids and essential oils) as the active ingredient instead of synthetic chemical pesticides. This natural extract maintains effective fungicidal activity while being biodegradable and non-toxic to the environment, thereby resolving the contradiction between immediate effectiveness and environmental harm.
Solution Approach 2:
The patent employs a composite formulation consisting of Curcuma longa extract combined with specific adjuvants (emulsifiers, solvents, and stabilizers). This composite structure enhances the stability, solubility, and efficacy of the natural extract, allowing it to match or exceed the performance of synthetic pesticides while maintaining environmental safety.
2Duration of action of stationary object
If conventional chemical pesticides are applied repeatedly, then powdery mildew control is maintained, but resistance increases and efficacy decreases
Solution Approach 1:
The patent modifies the chemical nature of the pesticide from synthetic to natural (Curcuma longa extract), which has different modes of action and does not trigger the same resistance mechanisms. The complex mixture of curcuminoids and essential oils in the extract provides multi-target activity, making it difficult for pathogens to develop resistance, thereby maintaining long-term efficacy.
3Object-affected harmful factors
If plant-derived pesticides are developed, then environmental safety and low toxicity are improved, but stability and consistency of effect need enhancement
Solution Approach 1:
The patent creates a stable composite formulation by combining Curcuma longa extract with carefully selected adjuvants including emulsifiers (e.g., Tween 80, Span 80), solvents (e.g., ethanol, isopropanol), and stabilizers. This composite structure protects the active ingredients from degradation, ensures uniform distribution, and maintains consistent efficacy throughout the product shelf life.
Solution Approach 2:
The patent optimizes the formulation by adding specific adjuvants that address local stability issues: emulsifiers improve water-oil mixing, solvents enhance solubility, and stabilizers prevent precipitation or degradation of curcuminoids. Each additive targets a specific stability concern, collectively ensuring overall formulation consistency and reliable performance.
Data Source
AI summary
A turmeric rhizome extract emulsifiable concentrate formulation, a preparation method therefor, and a use thereof in prevention and treatment of powdery mildew. The turmeric rhizome extract emulsifiable concentrate formulation comprises the following components in percentage by mass: 30-70% of a turmeric rhizome extract, 10-35% of an emulsifier and 15-50% of a solvent. An emulsifiable concentrate formulation used for preventing and treating powdery mildew and using a turmeric rhizome extract as an effective component is prepared by compounding the turmeric rhizome extract, the emulsifier and the solvent in a specific mass ratio, relates to a simple preparation process, is convenient to use, has excellent high-temperature and low-temperature stability, and can make the turmeric rhizome extract exert a powdery mildew prevention and treatment effect more stably and lastingly.