Phosphate Buffer Stabilizes Flavor in Low Sodium Cured Meat
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Solution Overview
Problem
Current cured meat products with high sodium levels are unsuitable for consumers on low salt diets, and the inclusion of nitrites in low sodium salt products often leads to stability issues that distort or destroy intended flavors due to interaction with flavorants.
Innovation Solution
A low sodium salt product for curing meats, comprising sodium chloride, a sodium chloride replacing material, at least one flavorant, and a phosphate flavor stabilizing agent, which inhibits the reaction between nitrites and flavorants, ensuring flavor stability during the shelf life of the meat product.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If nitrites are included in low sodium salt products, then preservation and color development are improved, but flavor stability deteriorates due to reactions between nitrites and flavorants
Solution Approach 1:
The patent introduces phosphate buffers (sodium phosphate, potassium phosphate, or calcium phosphate) as intermediary substances that mediate between nitrites and flavorants. These phosphates control the pH environment to prevent direct harmful reactions between nitrites and flavorants while maintaining the beneficial preservation and color development effects of nitrites.
Solution Approach 2:
The patent utilizes pH as a critical parameter to resolve the contradiction. By adding phosphate buffers that maintain pH within a specific range (pH 6.0-7.5), the patent changes the chemical environment to prevent nitrite-flavorant reactions while preserving nitrite's functional benefits for preservation and color fixation.
2Reliability
If high levels of salt are employed in cured meat products, then preservation and flavor are improved, but suitability for low sodium diets deteriorates
Solution Approach 1:
The patent changes the compositional parameters of the salt product by replacing a portion of sodium chloride with potassium chloride and other chloride salts. This parameter change reduces sodium content to meet dietary requirements while maintaining the preservation function through the combined effect of multiple chloride salts and controlled pH environment.
Solution Approach 2:
The patent creates a composite salt product containing multiple ingredients: sodium chloride, potassium chloride, magnesium chloride, calcium chloride, ammonium chloride, flavorants, and phosphate buffers. This composite material achieves both reduced sodium content and effective preservation through the synergistic interaction of its components.
3Ease of operation
If multiple additives are combined in a single grain low sodium salt product, then ease of use is improved, but flavor stability deteriorates due to ingredient interactions
Solution Approach 1:
The phosphate buffers serve as intermediary substances that prevent direct harmful interactions between nitrites and flavorants even when all ingredients are combined in a single grain product. The phosphates create a controlled chemical environment that maintains flavor stability despite the presence of multiple reactive ingredients.
Solution Approach 2:
By controlling pH through phosphate buffers, the patent changes the chemical parameters of the system to prevent unwanted reactions between ingredients. This parameter control enables the safe combination of multiple additives in a single grain product while maintaining flavor stability throughout shelf life.
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 low sodium salt product effectively delivers a stable flavor to cured meats by preventing nitrite-flavorant reactions, maintaining flavor integrity and preventing oxidation and hydrolysis, making it suitable for consumers with sodium restrictions.
Implementation Method 1
a phosphate flavor stabilizing agent present in an amount to inhibit the reaction of the at least one flavorant and the at least one nitrite
Implementation Method 2
so that the flavor is stable to oxidation and hydrolysis during the shelf life of the meat product
Implementation Method 3
so that the flavor is stable to oxidation and hydrolysis during the shelf life of the meat product
Data Source
AI summary
A low sodium salt product for curing meats is provided. The low sodium salt product for curing meats includes sodium chloride; a sodium chloride replacing material selected from the group consisting of potassium chloride, magnesium chloride, calcium chloride, ammonium chloride, magnesium sulphate and combinations thereof; at least one flavorant; at least one nitrite; and a phosphate flavor stabilizing agent present in an amount to inhibit the reaction of the at least one flavorant and the at least one nitrite.