Double Emulsion Food Composition for Reduced Oil Texture
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Solution Overview
Problem
There is a challenge in reducing the oil level in emulsified food products like mayonnaise and salad dressings while maintaining texture and taste perception, as high oil levels are preferred by consumers, and existing methods using polyglycerol polyricinoleate (PGPR) emulsions face consumer dissatisfaction and stability issues when reducing PGPR content.
Innovation Solution
A food composition comprising a continuous water phase with both water-in-oil emulsion droplets and oil droplets without an internal water phase, where the water-in-oil emulsion is stabilized with PGPR and the oil droplets are emulsified using an oil-in-water emulsifier, allowing for a double emulsion structure that maintains oil levels and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the oil level is reduced in emulsified food products, then the caloric intake is reduced, but the texture and taste perception deteriorates
Solution Approach 1:
The invention divides the oil phase into two distinct types of droplets: water-in-oil emulsion droplets (loaded droplets) and plain oil droplets. This segmentation allows the product to maintain the texture and taste perception of high-oil products while actually reducing the total oil content, as the water-in-oil droplets provide structural integrity without contributing proportionally to the oil content.
Solution Approach 2:
The invention introduces water-in-oil emulsion droplets as an intermediary structure that mediates between the need for reduced oil content and the need to maintain texture/taste perception. These loaded droplets act as a bridge, providing the structural properties of oil droplets while containing less actual oil, thus resolving the contradiction between oil reduction and sensory quality maintenance.
2Quantity of substance
If polyglycerol polyricinoleate (PGPR) is used to create water-in-oil emulsion droplets, then the oil level can be reduced, but consumer dissatisfaction and stability issues arise when reducing PGPR content
Solution Approach 1:
The invention changes the parameters of the emulsion system by creating a dual droplet population with different compositions and stabilization mechanisms. The water-in-oil droplets use PGPR while the plain oil droplets rely on the oil-in-water emulsifier, creating a more robust system that maintains stability even when overall PGPR content is reduced. This parameter change allows oil reduction while preserving reliability.
Solution Approach 2:
The invention creates a composite emulsion system combining two types of droplets with different emulsifier dependencies. The water-in-oil emulsion droplets (containing PGPR) and plain oil droplets (stabilized by oil-in-water emulsifier) form a composite structure that leverages the strengths of both emulsifier types, maintaining stability while enabling oil and PGPR content reduction.
3Quantity of substance
If a double emulsion structure is used, then the oil level can be reduced while maintaining texture perception, but the device complexity and manufacturing process become more complex
Solution Approach 1:
The manufacturing process is segmented into distinct stages: first creating water-in-oil emulsion droplets with PGPR, then incorporating plain oil droplets stabilized by oil-in-water emulsifier. This segmentation of the manufacturing process, while creating a complex final product, allows for controlled formation of each droplet type, making the overall process manageable and scalable despite the dual-droplet complexity.
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
This approach allows for a reduction in total oil content while maintaining the texture and taste perception of higher oil content emulsions, achieving stability and consistency comparable to products with higher oil levels, even with reduced PGPR levels.
Implementation Method 1
the first emulsifier, the water-in-oil emulsifier, is often polyglycerol polyricinoleate (PGPR). PGPR is a strong emulsifier needed to prevent coalescence of the water droplets (W1) inside of the oil phase (O)
Implementation Method 2
The first emulsion is then mixed in a water phase (W2) using a second emulsifier, an oil-in-water emulsifier
Data Source
Figure 1
AI summary
A food composition in the form of an emulsion comprising a continuous water phase which comprises a water-in-oil emulsion which is emulsified in the continuous water phase, and oil droplets without an internal water phase emulsified in the continuous water phase, polyglycerol polyricinoleate, and an oil-in-water emulsifier.