Iron-Fortified Instant Beverage Composition Without Color Darkening
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Solution Overview
Problem
Fortifying instant beverages with iron results in undesirable color changes due to the reaction of iron with compounds like polyphenols, making the beverage dark and unappealing to consumers.
Innovation Solution
Incorporation of a micronized iron compound with a controlled particle size and limited water solubility, combined with polysaccharides and other additives, to stabilize and deliver iron effectively without significant color alteration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If iron is added to instant beverage to fortify it with essential nutrients, then the nutritional value is improved, but the beverage color becomes dark and unappealing due to reaction with polyphenols
Solution Approach 1:
The patent uses a complexing agent (intermediary substance) to bind iron ions, preventing direct reaction between iron and polyphenols. This intermediary forms a stable iron-complex that does not cause darkening, thereby maintaining beverage color while delivering iron nutrition.
Solution Approach 2:
The patent changes the chemical state of iron from free ions to complexed form by adjusting pH and using specific complexing agents. This parameter change prevents the harmful reaction with polyphenols while maintaining iron bioavailability and color stability.
2Quantity of substance
If iron compounds are added to instant beverage, then iron delivery is improved, but precipitation occurs making the beverage unacceptable
Solution Approach 1:
The complexing agent acts as an intermediary that stabilizes iron in solution, preventing precipitation. The complexed iron remains soluble and stable in the beverage matrix, ensuring both iron delivery and composition stability.
Solution Approach 2:
The patent creates a composite system where iron is combined with complexing agents and other beverage components in specific ratios. This composite approach ensures iron remains dispersed and stable without precipitating, while maintaining all desired functional properties.
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 solution ensures high iron delivery to the end cup while maintaining the aesthetic properties of the beverage, preventing darkening and preserving sensory appeal.
Implementation Method 1
compounds (e.g. polyphenols) that are present in tea and coffee react with iron to form precipitates and make the colour of the beverage quite dark in colour
Implementation Method 2
a micronized iron compound... with limited water solubility... ensures high iron delivery to the end cup
Data Source
AI summary
The present invention relates to an instant beverage composition. In particular, the present invention relates to an iron fortified instant beverage composition. Accordingly, the present invention provides an instant beverage composition comprising; a) a micronized iron compound; and b) an instant beverage product.