Meat Treatment Composition for Bacterial Reduction
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Solution Overview
Problem
Current methods for reducing bacterial contamination and spoilage in meat products are inadequate, particularly in preventing the growth of pathogenic bacteria like Shiga toxin producing Escherichia coli, which can cause severe illness, and do not effectively extend shelf life without affecting the visual and organoleptic qualities of meat.
Innovation Solution
A combination of a nonionic surfactant, such as polyethoxylated sorbitan fatty acid esters, an organic acid, and a thickening agent, applied as a meat treatment composition, which reduces bacterial counts on meat surfaces by increasing contact between bacteria and the treatment solution and extending shelf life without significant impact on flavor, color, or taste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional bacterial reduction methods are used, then bacterial counts may be reduced, but the visual and organoleptic qualities of meat are significantly affected
Solution Approach 1:
The patent uses a composite treatment composition containing multiple components (surfactant, organic acid, and optional thickening agent) that work synergistically. The surfactant enhances penetration and contact, the organic acid provides antimicrobial action, and the thickening agent extends residence time, achieving effective bacterial reduction while maintaining meat quality through the combined effect of multiple milder components rather than a single harsh agent
Solution Approach 2:
The patent modifies the physical and chemical parameters of the treatment solution by adjusting surfactant concentration (0.01-5% w/v), organic acid concentration (0.1-10% w/v), and pH levels to optimize both antimicrobial effectiveness and meat quality preservation. The thickening agent adjusts viscosity to enhance contact time without requiring harsh chemical conditions
2Reliability
If strong antimicrobial agents are applied to reduce pathogenic bacteria, then food safety is improved, but the shelf life extension is limited due to quality degradation
Solution Approach 1:
The surfactant acts as an intermediary that facilitates deeper penetration of the organic acid into bacterial cells and meat tissue, enhancing the antimicrobial effectiveness. The thickening agent serves as a mediator that extends the residence time of the treatment solution on the meat surface, allowing prolonged exposure to the antimicrobial organic acid without requiring stronger concentrations that would degrade meat quality
Solution Approach 2:
The thickening agent maintains the treatment solution on the meat surface for an extended period, ensuring continuous antimicrobial action. This prolonged exposure time allows the organic acid to effectively reduce bacterial counts and extend shelf life through sustained protection rather than a single brief treatment event
3Productivity
If treatment solutions with short residence time are used, then application efficiency is high, but contact between bacteria and treatment is insufficient
Solution Approach 1:
The patent changes the viscosity parameter of the treatment solution by adding a thickening agent, which increases residence time on the meat surface without significantly impacting application speed. The surfactant simultaneously improves spreadability and wetting properties, ensuring efficient coverage while the thickened consistency maintains prolonged contact for effective bacterial reduction
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 combination effectively reduces bacterial counts on meat surfaces, including pathogenic species, thereby enhancing food safety and extending the shelf life of meat products while maintaining their quality.
Implementation Method 1
a nonionic surfactant, selected from the group of polyoxethylene derivatives of sorbitan fatty acid esters
Implementation Method 2
a thickening agent... which surprisingly proves to be very effective in increasing the contact between bacteria and the treatment solution
Implementation Method 3
an organic acid... The combination effectively reduces bacterial counts on meat surfaces, including pathogenic species
Data Source
AI summary
The present invention relates to microbial safety of meat products. In particular new additives are provided for effective reduction of pathogenic bacteria, such as Shiga toxin producing Escherichia coli (STEC), on or in meat products. The present inventors found that a combination of a nonionic surfactant and organic acid is particularly effective in the reduction of these and other pathogenic bacteria in meat products. The addition of a thickening agent was found to further enhance the effectiveness of the compositions in eliminating these pathogenic bacteria. The present invention provides these meat preservation compositions, the methods of treating meat with these compositions, the related uses of these compositions, as well as the meat products accordingly obtained.