Recombinant Egg White Protein Composition for Allergen-Free Food
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Solution Overview
Problem
There is a need for a synthetic egg white composition that is nutritionally equivalent to natural egg white, avian-free, and free from components that adversely affect cardiovascular health, particularly for individuals with egg allergies or dietary preferences such as vegetarians, while also addressing concerns like high cholesterol, bacterial contamination, and cost fluctuations in egg prices.
Innovation Solution
A synthetic avian-free egg white composition is developed using genetically modified microorganisms that express a range of egg white proteins, including Ovalbumin, Ovotransferrin, Ovoglobulin G2, Ovoglobulin G3, Ovomucin, Lysozyme, Ovoinhibitor, Ovoglycoprotein, Flavoprotein, Ovomacroglobulin, Avidin, and Cystatin, which can be combined in proportions similar to natural egg white, with optional additives like flavor enhancers, vitamins, and omega-3 fatty acids, produced through bioreactors and purification processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If natural egg white is used, then nutritional value and protein content are achieved, but allergen risk and cardiovascular health risks (cholesterol) remain
Solution Approach 1:
The patent creates a synthetic copy of egg white by expressing recombinant egg white proteins (ovalbumin, ovotransferrin, lysozyme, ovomucoid, ovoglobulins) in microorganisms. This copy replicates the nutritional and functional properties of natural egg white while eliminating the allergen risk associated with natural eggs, as the proteins are produced in a controlled avian-free environment.
Solution Approach 2:
The patent extracts only the beneficial components of egg white (proteins) while leaving behind the harmful components (yolk cholesterol, potential Salmonella contamination, allergenic proteins). By isolating and recombinantly expressing specific egg white proteins in microorganisms, the invention separates the desirable nutritional value from the undesirable health risks.
2Quantity of substance
If egg products are consumed, then high quality protein is obtained, but cholesterol and fat intake increase
Solution Approach 1:
The patent produces a protein-rich copy of egg white through recombinant expression in microorganisms. This synthetic egg white contains high quality proteins (ovalbumin, ovotransferrin, lysozyme, ovomucoid, ovoglobulins) equivalent to natural egg white but completely excludes cholesterol and fat, which are present in natural egg yolks.
Solution Approach 2:
The invention extracts and replicates only the protein components of eggs while deliberately excluding the yolk components that contain cholesterol and fat. The recombinant production system in microorganisms naturally produces only the desired proteins without co-producing harmful lipids or cholesterol.
3Quantity of substance
If conventional egg production is used, then protein supply is maintained, but animal cruelty and environmental waste increase
Solution Approach 1:
The patent replaces the biological agricultural system (poultry farming) with a biotechnological production system (recombinant protein expression in microorganisms). This substitution eliminates the need for raising and slaughtering animals, thereby eliminating animal cruelty while maintaining efficient protein production. The controlled bioreactor system also minimizes environmental waste compared to conventional farming.
Solution Approach 2:
Instead of producing eggs through complex biological systems involving living animals, the patent creates a simplified copy of the essential functional components (egg white proteins) using microorganisms. This copying approach maintains protein supply while dramatically reducing the environmental footprint and ethical concerns associated with conventional egg production.
4Ease of operation
If natural eggs are used, then culinary functionality is achieved, but bacterial contamination (Salmonella) risk increases
Solution Approach 1:
The patent creates a synthetic version of egg white that replicates the culinary functionality (foaming, emulsification, gelling properties) of natural egg white through recombinant protein expression. Since the proteins are produced in controlled avian-free environments, the Salmonella contamination risk inherent in natural eggs is completely eliminated while maintaining all desired functional properties for cooking and baking.
Data Source
AI summary
In some embodiments, the present disclosure relates to an avian-free egg white composition including 45-63% Ovalbumin, 9-15% Ovotransferrin, 0-15% Ovomucoid, 3-5% Ovoglobulin G2, 3-5% Ovoglobulin G3, 2.5-5% Ovomucin, 3-5% Lysozyme, 1-2% Ovoinhibitor, 0.8-1.5% Ovoglycoprotein, 0.6-1.0% Flavoprotein, 0.3-0.8% Ovomacroglobulin, 0.02-0.1% Avidin, and 0.02-0.1% Cystatin. In some embodiments, the composition comprises an edible yeast and one or more of the preceding proteins. In some embodiments, the avian-free egg white further includes one or more of: flavor enhancers, calcium supplements, added vitamins, and a gelling agent. In some embodiments, the present disclosure pertains to a non-allergenic egg-white composition for human consumption. In some embodiments, the present disclosure pertains to methods of making the avian-free egg-white composition.