Buffered Meat Treatment Composition for Stable Natural Nitrite
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Solution Overview
Problem
Existing meat preservation methods, particularly those using nitrites, face challenges in maintaining microbial safety, color stability, and moisture retention while addressing health concerns and consumer preferences for natural ingredients.
Innovation Solution
A concentrated liquid meat treatment composition combining partially or completely neutralized acetic acid with a cultured vegetable extract, derived from nitrate-converting microorganisms, enhances microbial resistance and color enhancement while ensuring stability and compliance with food regulations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If nitrites are used to preserve meat and maintain color, then microbial safety and color stability are improved, but health risks increase due to formation of N-nitrosamines
Solution Approach 1:
The patent changes the chemical parameters by using a controlled conversion system where nitrate is converted to nitrite through microbial action (nitrate reductase) under specific pH conditions (5.2-9.0), rather than directly adding nitrite. This parameter change allows achieving the desired nitrite levels for preservation while controlling the formation of harmful N-nitrosamines through buffered pH conditions.
Solution Approach 2:
The patent introduces an intermediary substance - nitrate - which serves as a precursor that can be converted to nitrite through controlled microbial conversion. This intermediary approach allows the system to achieve the preservative effects of nitrite while using buffered conditions to minimize harmful byproduct formation, thus resolving the contradiction between effectiveness and safety.
2Reliability
If higher levels of nitrites are used to ensure microbial safety, then bacterial inactivation is improved, but color stability and health safety deteriorate
Solution Approach 1:
The patent applies preliminary action by pre-converting nitrate to nitrite through controlled microbial fermentation before the meat product is finalized. This preliminary conversion occurs under buffered pH conditions (5.2-9.0) that prevent excessive nitrite accumulation and minimize harmful byproduct formation, thus achieving bacterial inactivation capability while maintaining color stability and health safety.
Solution Approach 2:
The patent changes the concentration parameter by using a controlled conversion system that produces nitrite in situ at optimized levels rather than adding high concentrations directly. The buffered pH conditions and microbial conversion process ensure nitrite levels are sufficient for bacterial inactivation but controlled enough to maintain color stability and prevent harmful compound formation.
3Reliability
If traditional preservation methods like drying, salting, or smoking are used, then microbial safety is improved, but sensory quality and consumer acceptance deteriorate
Solution Approach 1:
The patent replaces traditional mechanical/thermal preservation methods (drying, smoking, high-heat processing) with a chemical-biological system using controlled microbial conversion of nitrate to nitrite. This substitution allows preservation to be achieved through controlled chemical reactions under milder conditions, thereby maintaining the sensory quality and natural appearance of the meat product while ensuring microbial safety.
4Reliability
If freezing is used to prevent bacterial growth, then microbial safety is improved, but texture and sensory quality deteriorate due to cellular damage
Solution Approach 1:
The patent replaces the mechanical freezing process with a chemical-biological preservation system using controlled nitrate-to-nitrite conversion. This substitution eliminates the need for low-temperature storage that causes cellular damage, allowing meat to be preserved and stored under more favorable conditions that maintain texture and sensory quality while still controlling bacterial growth through the antimicrobial action of generated nitrite.
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 composition maintains consistent nitrite levels, improves shelf-life and color stability, reduces moisture loss, and meets consumer-friendly labeling requirements, offering a natural alternative to traditional preservatives.
Implementation Method 1
a nitrite source in the form of a cultured vegetable extract that is obtained by inoculating a liquid vegetable extract with one or more micro-organisms capable of converting nitrate into nitrite
Data Source
AI summary
The invention relates to a concentrated liquid meat treatment composition comprising a combination of a buffered food acid component in the form of partially or completely neutralized acetic acid; and a nitrite source in the form of a cultured vegetable extract. The meat treatment composition exhibits excellent shelf stability in that the nitrite content of the composition remains constant for a prolonged period of time.