Mannitol Production from Slaughter Waste Microbes
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Solution Overview
Problem
The production of mannitol from fructose is hindered by the health concerns associated with excessive fructose consumption, and existing methods lack efficiency in utilizing waste materials like stomach manure from slaughterhouses, which requires significant space and investment for processing.
Innovation Solution
A method utilizing stomach manure microbes and lactic acid bacteria to convert fructose from slaughter waste into mannitol, with the aid of enzymes like glucose-isomerase, and optimizing pH conditions to produce propionic acid and other valuable compounds, thereby enhancing waste material utilization and reducing environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If stomach manure is processed using conventional waste treatment methods (composting or biogas production), then the waste can be utilized, but considerable space and expensive investment are required
Solution Approach 1:
The patent replaces conventional mechanical and biological waste treatment systems (composting facilities, biogas digesters) with a biochemical conversion system using isolated bacterial strains and enzymatic reactions. This substitution enables mannitol production in compact bioreactors, dramatically reducing the space required for waste treatment while maintaining effective processing capability.
Solution Approach 2:
The patent extracts and isolates specific functional components (mannitol-producing bacteria, fructose-converting enzymes) from the complex stomach manure ecosystem. By separating these key elements and using them in controlled biochemical reactions, the system achieves efficient waste conversion without requiring large-scale infrastructure, thus reducing processing space requirements.
2Ease of manufacture
If fructose is used as a sweetener in foodstuffs, then sweetening value is provided, but health concerns arise due to excessive consumption
Solution Approach 1:
The patent converts fructose, which poses health risks when consumed excessively, into mannitol through bacterial fermentation. Mannitol is a sugar alcohol with lower caloric content and fewer adverse health effects. This transformation turns a potentially harmful substance into a beneficial alternative sweetener, addressing health concerns while maintaining the sweetening function.
Solution Approach 2:
The patent changes the chemical parameter of the sweetener by converting fructose (a monosaccharide) into mannitol (a sugar alcohol) through enzymatic isomerization and bacterial reduction. This parameter change alters the metabolic properties of the sweetener, reducing its impact on blood sugar and insulin levels, thereby mitigating health risks associated with excessive fructose consumption.
3Productivity
If conventional mannitol production methods are used, then mannitol can be produced, but efficiency in utilizing waste materials is insufficient
Solution Approach 1:
The patent creates a multi-functional system where stomach manure serves multiple purposes: it provides fructose substrate for mannitol production, serves as a source of natural microbes, and acts as a waste treatment feedstock. This universal utilization of waste material maximizes productivity while minimizing substance loss, as the same waste stream simultaneously supports both sweetener production and waste remediation.
Solution Approach 2:
The patent employs a self-service approach by utilizing microbes naturally present in stomach manure to carry out the fermentation process. The waste material itself provides the biological agents needed for its own conversion, eliminating the need for external inoculum preparation and reducing production costs. This self-service mechanism enhances both efficiency and waste utilization.
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
This method achieves high mannitol yields from fructose-rich waste, producing valuable by-products like propionic acid and fertilizers, while mitigating health risks associated with fructose consumption by converting it into a lower-energy mannitol suitable for various applications.
Implementation Method 1
mannitol that forms as a result of bacterial metabolism normally comes from fructose
Implementation Method 2
the starch from corn, barley, potato, or some other plant, can be split, with the help of amylase and amyloglucosidase enzymes, into glucose
Implementation Method 3
which is then, with the help of glucose- isomerase enzymes, converted into fructose
Data Source
Figure 1A~1
AI summary
Slaughter waste normally contains considerable amounts of so-called stomach manure. Its biotechnical treatment rapidly decreases the waste problem. With the help of the method and device according to this invention stomach manure is first used as a biocatalyst in a process that produces mannitol. After that the lactic acid that at the same time farms into the slaughter waste Is converted with the help of microbes into propionic acid or other useful compounds.