Spinach Extract Composition for High β-Ecdysone and Polyphenol Stability
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Solution Overview
Problem
Existing spinach extracts have low β-ecdysone and polyphenol content, limiting their effectiveness in various applications, and there is a need for improved extracts with higher antioxidant potential and stability.
Innovation Solution
A spinach extract is developed with a β-ecdysone content of ≥1% to ≤10% and polyphenols of ≥2% to ≤50%, featuring a balanced ratio of spinatoside to 5,3',4'-trihydroxy-3-methoxy-6:7-methylenedioxy-flavone-4'-O-glucuronide, low nitrate/nitrite and oxalate content, and enhanced solubility in both polar and nonpolar solvents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional extraction methods are used, then extraction simplicity is maintained, but ß-ecdysone concentration and antioxidant potential are insufficient
Solution Approach 1:
The extraction process is divided into distinct stages: blanching to inactivate enzymes and preserve compounds, adsorption on resin to concentrate ß-ecdysone and polyphenols, and controlled elution to achieve optimal concentration. This segmentation allows each step to optimize for its specific function, resulting in high ß-ecdysone concentration while maintaining manageable process complexity through standardized procedures at each stage.
Solution Approach 2:
Blanching is performed as a preliminary step before extraction to inactivate oxidative enzymes and prevent degradation of ß-ecdysone and polyphenols. This preliminary action ensures that the subsequent extraction and concentration steps can achieve high antioxidant potential without loss of active compounds to enzymatic degradation.
2Quantity of substance
If high polyphenol content is achieved, then antioxidant potential increases, but stability and coloration issues arise
Solution Approach 1:
Polyphenols and ß-ecdysone are selectively extracted from spinach matrix using controlled solvent extraction followed by adsorption on resin. This selective extraction isolates the beneficial compounds from the complex plant matrix, achieving high polyphenol content while removing unstable components that would otherwise cause degradation and coloration problems in the final extract.
Solution Approach 2:
The extraction parameters including solvent composition, pH, temperature, and contact time are optimized to maximize polyphenol extraction while maintaining extract stability. Controlled elution conditions ensure high polyphenol recovery without co-extracting unstable compounds, and the standardized process parameters ensure consistent stable products with desired coloration characteristics.
3Quantity of substance
If extract concentration is increased, then antioxidant potential improves, but solubility in various solvents decreases
Solution Approach 1:
The extraction and concentration process is designed to produce an extract with universal solubility characteristics. By using controlled adsorption and elution methods, the final extract achieves high antioxidant concentration while maintaining compatibility with multiple solvent types (polar and non-polar), enabling versatile application in food, cosmetics, and pharmaceutical formulations.
4Object-affected harmful factors
If extensive purification is performed, then nitrate/nitrite and oxalate content is reduced, but production time and cost increase
Solution Approach 1:
The adsorption step on resin serves dual purposes: it concentrates ß-ecdysone and polyphenols while simultaneously removing harmful substances like nitrates, nitrites, and oxalates. This integrated approach converts the purification step into a value-added concentration step, reducing nitrate/nitrite and oxalate content without requiring separate extensive purification operations, thereby maintaining efficient production time.
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 extract exhibits high antioxidant potential, stability, and suitability for diverse applications, including pharmaceuticals, cosmetics, and food products, with improved muscle atrophy treatment efficacy.
Implementation Method 1
carrying out an adsorption on an adsorption resin
Implementation Method 2
elution using a solvent with an Ex30 value of >30 or with a solvent mixture containing at least one solvent with an Ex30 value of >30
Data Source
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AI summary
The invention relates to a spinach extract with a high content of ß-ecdysone and polyphenols, as well as to a method for producing such an extract. The extracts are characterised inter alia by their protein-increasing effect on muscle cells and by a high anti-oxidative potential.