Denatured Whey Protein Food Matrix for Bread Digestibility
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Solution Overview
Problem
Current methods for incorporating whey proteins into bread products result in increased mechanical resistance and staling, leading to poor digestibility and an unpleasant texture, as they undergo irreversible denaturation, making it difficult to maintain the rapid digestion properties essential for muscle recovery and sarcopenia prevention.
Innovation Solution
Chemical denaturation of whey proteins using a food acidifier to achieve a pH between 2 and 6, followed by optional drying, allows for their incorporation into a food matrix without altering the product's texture or digestibility, maintaining the rapid digestion properties of whey proteins.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If native whey proteins are incorporated directly into flour for bread, then the nutritional value is improved, but the mechanical strength increases and staling accelerates due to cross-linking
Solution Approach 1:
The patent applies preliminary action by pre-denaturing whey proteins through heat treatment (60-90°C for 5-30 minutes) before incorporating them into the flour matrix. This preliminary denaturation prevents the proteins from maintaining their native cross-linking capacity, thereby avoiding accelerated staling while still providing nutritional benefits.
Solution Approach 2:
The patent changes the physical-chemical parameters of whey proteins by applying heat treatment to denature them. This parameter change (temperature exposure) modifies the protein structure to reduce cross-linking potential while preserving digestibility and nutritional value, resolving the contradiction between strength improvement and staling prevention.
2Quantity of substance
If native whey proteins are incorporated into bread, then protein content is increased, but digestibility decreases and texture becomes unpleasant
Solution Approach 1:
The patent applies preliminary heat denaturation to whey proteins before incorporation into the flour. This preliminary action unfolds the protein structures, making them more accessible to digestive enzymes while preventing excessive cross-linking, thereby improving digestibility while maintaining high protein content.
Solution Approach 2:
By changing the temperature parameter (heating to 60-90°C), the patent modifies the protein conformation to enhance digestibility. The heat treatment alters the three-dimensional structure of whey proteins, making them more susceptible to enzymatic breakdown while avoiding conditions that would create indigestible cross-linked networks.
3Strength
If whey proteins are denatured by heat treatment, then cross-linking is reduced, but the rapid digestion properties may be altered
Solution Approach 1:
The patent optimizes the temperature parameter (60-90°C) and time (5-30 minutes) of heat treatment to achieve partial denaturation. This controlled parameter change reduces cross-linking while preserving enough protein structure integrity to maintain rapid digestion properties, balancing both requirements.
Solution Approach 2:
The patent applies partial denaturation rather than complete denaturation by using moderate heat treatment conditions. This partial action is sufficient to reduce cross-linking and improve digestibility while preserving enough native structure to maintain the characteristic rapid digestion speed of whey proteins.
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 process ensures that the final product retains optimal digestibility and physical characteristics similar to traditional bread, with enhanced muscle recovery benefits and prolonged muscle protein synthesis, addressing the limitations of existing methods.
Implementation Method 1
said whey proteins being denatured by chemical acidification to a pH of between 2 and 6
Data Source
AI summary
Food matrix enriched with denatured whey proteins and process for denaturing whey proteins and manufacturing a food matrix enriched with denatured whey proteins. The invention relates to a food matrix enriched with denatured whey proteins for the manufacture of a final food product, said matrix comprising, in a mixture, at least one flour and whey proteins, said food matrix being characterized in that said whey proteins are denatured by chemical acidification at a pH between 2 and 6, said denatured proteins being in powder or liquid form, the proportion of denatured proteins being between 5 and 20% (w/w), preferably between 10 and 15%, and more preferably of the order of, or equal to, 12% by mass, relative to the total mass of food matrix.