Fermented Legume Protein Emulsion for Dairy Cheese Texture
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Solution Overview
Problem
Current plant-based cheese alternatives fail to replicate the nutritional profile and taste of dairy-based cheeses due to the lack of equivalents for milk proteins and fat, leading to poor consumer acceptance and sustainability concerns.
Innovation Solution
Development of a fermented food product using oil-in-water emulsions with specific mixtures of legume protein isolates, such as pea and fava bean proteins, which have high emulsion capacity and gelling properties, combined with vegetable fat, to create a product with a nutritional and taste profile comparable to dairy-based cheeses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional plant-based cheese alternatives are made using standard plant proteins, then production cost is reduced and ease of manufacture is improved, but nutritional profile and taste experience deteriorate significantly
Solution Approach 1:
The patent applies parameter changes by carefully controlling the solubility parameters of legume protein isolates (first isolate with solubility ≥25%, second isolate with solubility <20%) and their proportion (20-70%) to achieve superior emulsion capacity and gelling properties that replicate dairy cheese characteristics while maintaining plant-based simplicity
Solution Approach 2:
The patent uses composite materials by combining two different legume protein isolates with distinct solubility characteristics to create a synergistic mixture that provides both high emulsion capacity and good gelling properties, replicating the functional behavior of milk proteins without using animal sources
2Device complexity
If plant-based cheese alternatives use simple protein mixtures, then device complexity is reduced and ease of manufacture is improved, but functional behavior equivalent to milk proteins is not achieved
Solution Approach 1:
The patent changes the functional parameters of plant proteins by selecting isolates with specific solubility ranges (≥25% and <20%) and optimizing their proportion (20-70%) to achieve emulsion capacity and gelling properties that replicate milk protein behavior, all within a simple two-component system
Solution Approach 2:
The patent applies local quality by assigning different functional roles to each protein isolate based on its solubility characteristics: the first isolate (higher solubility) provides emulsion stability while the second isolate (lower solubility) contributes to gelling structure, creating a division of labor that mimics the complex functionality of casein micelles
3Productivity
If commercially available plant-based cheese alternatives are produced, then productivity is improved and market availability is increased, but consumer acceptance deteriorates due to poor taste and texture
Solution Approach 1:
The patent optimizes consumer acceptance by adjusting the solubility parameters of protein isolates (≥25% and <20%) and their proportion (20-70%), which creates superior emulsion capacity and gelling properties that deliver authentic cheese-like taste, texture, and mouthfeel
Solution Approach 2:
The patent copies the functional behavior of dairy cheese by using legume protein isolates with specific solubility characteristics to replicate the emulsion and gelling properties of milk proteins and casein, achieving authentic cheese characteristics in a plant-based system
4Reliability
If plant-based cheese alternatives aim to match dairy cheese nutritional profile, then nutritional value is improved, but complexity of achieving equivalent functional behavior increases
Solution Approach 1:
The patent achieves equivalent functional behavior with simple complexity by changing the solubility parameters of protein isolates (≥25% and <20%) and their proportion (20-70%), which simultaneously provides both nutritional value and authentic cheese functionality through enhanced emulsion capacity and gelling 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 product achieves a nutritional and taste profile comparable to dairy-based cheeses, enhancing consumer acceptance and sustainability through the use of locally grown, environmentally friendly legume proteins.
Implementation Method 1
oil-in-water emulsions with high emulsion capacity and good gelling properties
Implementation Method 2
good gelling properties
Implementation Method 3
When fermenting such oil-in-water emulsions, superior cheese analogues can be produced
Data Source
AI summary
The invention provides an oil-in-water emulsion comprising a mixture of legume protein isolates and a vegetable fat, as well as fermented food products prepared by fermentation of said emulsion. The mixture of legume protein isolates comprises a first legume protein isolate having a solubility of the proteins of at least 25% and a second legume protein isolate having a solubility of the proteins of less than 20%, wherein the second legume protein isolate constitutes in the range of 20 to 70 wt % of the total first and second legume protein isolates.