Walnut Dreg Protein Reshaping via Multi-Stage Extrusion
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Solution Overview
Problem
Current methods for producing vegetarian meat products from walnut dreg-derived fibrous tissue proteins are limited by high costs and low utilization rates due to the need for a large proportion of vital wheat gluten and the use of unsafe or unhealthy cross-linking agents.
Innovation Solution
A method using a multi-stage temperature-variable moderate extrusion device in conjunction with a green stable cross-linking curing agent, composed of inulin, sodium carboxymethyl cellulose, sea buckthorn dreg-derived polysaccharide, and resistant dextrin, to reshape walnut dreg-derived fibrous tissue proteins, thereby improving their structural and functional properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If walnut dreg is used as the main protein source for vegetarian meat, then cost is reduced and utilization rate is improved, but the fibrous tissue structure cannot be properly formed
Solution Approach 1:
The patent introduces vital wheat gluten as an intermediary material that works synergistically with walnut dreg protein. The wheat gluten provides the necessary fibrous structure framework while the walnut dreg contributes protein content, creating a composite system where each component compensates for the other's structural deficiencies.
Solution Approach 2:
The patent creates a composite protein system by combining walnut dreg (50-70% of total protein) with vital wheat gluten (30-50% of total protein). This composite approach allows the final product to achieve both cost-effectiveness from walnut dreg and proper fibrous texture from wheat gluten, resolving the contradiction between economical原料 selection and structural quality.
2Manufacturing precision
If protein cross-linking agents like TG enzyme or glutaraldehyde are used, then shaping effect is improved, but safety risks or cost increases occur
Solution Approach 1:
The patent replaces expensive and potentially harmful cross-linking agents with a food-safe alternative system using controlled thermal processing and natural protein interactions. This approach achieves adequate shaping effects without the safety concerns of glutaraldehyde or the high cost of TG enzyme, using a more economical and safe processing method.
Solution Approach 2:
The patent converts the potential harm of using unsafe cross-linking agents into benefit by deliberately choosing a safer, though initially less effective, approach. The combination of moderate extrusion, controlled heating, and natural protein cross-linking during processing achieves acceptable shaping without introducing harmful chemicals, turning a limitation into a safety advantage.
3Shape
If a large proportion of vital wheat gluten is added to walnut dreg, then fibrous tissue structure is formed, but production cost increases and utilization rate decreases
Solution Approach 1:
The patent optimizes the proportion parameters of walnut dreg to wheat gluten, establishing a specific ratio range (walnut dreg 50-70%, wheat gluten 30-50%) that achieves the minimum threshold for acceptable fibrous structure while minimizing the use of expensive wheat gluten. This parameter optimization resolves the contradiction by finding the most economical composition that still meets structural requirements.
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 method significantly reduces production costs, enhances the utilization rate of walnut dreg, and produces a walnut dreg-derived fibrous tissue protein with improved sensory properties, texture, and functional characteristics, making it suitable for use in green vegetarian meat products.
Implementation Method 1
a multi-stage temperature-variable moderate extrusion device is used to reshape the fibrous tissue structure of the plant protein
Implementation Method 2
multi-stage temperature-variable moderate extrusion
Implementation Method 3
green stable cross-linking curing agent... can improve the sensory properties and texture of plant protein-based vegetarian meat
Data Source
AI summary
Provided are a stable cross-linking curing agent, and a walnut dreg-derived fibrous tissue protein prepared by a multi-stage temperature-variable moderate extrusion device in conjunction with a green stable cross-linking curing agent. The stable cross-linking curing agent includes inulin, sodium carboxymethyl cellulose, a sea buckthorn dreg-derived polysaccharide, and a resistant dextrin. The walnut dreg-derived fibrous tissue protein includes a walnut dreg, a vital wheat gluten, and the stable cross-linking curing agent.