Vegetable Protein Binder for Heat-Stable Meat-Like Texture
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Solution Overview
Problem
Existing vegetable protein-based meat alternatives struggle to maintain shape and texture after heat treatment, as high-concentration binders used for moldability become brittle and fail to replicate the texture of livestock meat.
Innovation Solution
A vegetable protein binder comprising a combination of thermally irreversible and reversible gel-forming polysaccharides, along with a gelation retardant, is used to create a chunk meat-like meat alternative that maintains shape and texture similar to livestock meat after cooking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a polysaccharide binder capable of maintaining gel state during heat treatment is used, then the shape of the meat alternative is maintained, but the binder becomes brittle and cannot provide a texture close to livestock meat
Solution Approach 1:
The patent combines thermally irreversible gel-forming polysaccharide (provides shape stability) with thermally reversible gel-forming polysaccharide (provides texture flexibility) to create a composite binder system. This composite approach allows the binder to maintain gel structure during heat treatment while avoiding brittleness, achieving both shape maintenance and meat-like texture.
2Strength
If the concentration of the binder in the gel is increased to provide meat-like texture, then the texture improves, but the binder becomes brittle and loses moldability
Solution Approach 1:
The patent utilizes temperature-dependent parameter changes of the thermally reversible gel-forming polysaccharide. During molding at lower temperatures, the polysaccharide remains in sol state providing good moldability. During heat treatment, it transitions to gel state providing meat-like texture. This parameter change with temperature allows both high concentration for texture and good moldability to be achieved at different stages.
3Stability of the object's composition
If a thermally irreversible gel-forming polysaccharide is used as binder, then the gel state is maintained during heat treatment, but the solubility is low and the concentration cannot be increased
Solution Approach 1:
The patent segments the binder function into two parts: thermally irreversible gel-forming polysaccharide (provides gel state stability and low solubility resistance) and thermally reversible gel-forming polysaccharide (provides high solubility and concentration flexibility). This segmentation allows each component to optimize its specific function, enabling higher overall binder concentration while maintaining gel stability during heat treatment.
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 binder provides moldability and maintains the shape of the meat alternative during heat treatment, achieving a texture close to that of livestock meat by using alginic acid, carrageenan, and pyrophosphate to enhance gel stability and orientation of fiber bundle-shaped textured proteins.
Implementation Method 1
a polysaccharide including a thermally irreversible gel-forming polysaccharide and a thermally reversible gel-forming polysaccharide
Implementation Method 2
a polysaccharide including a thermally irreversible gel-forming polysaccharide and a thermally reversible gel-forming polysaccharide
Implementation Method 3
a gelation retardant
Data Source
AI summary
A vegetable protein binder contains: a polysaccharide including a thermally irreversible gel-forming polysaccharide and a thermally reversible gel-forming polysaccharide; and a gelation retardant.