Multifunctional Lactobacillus Strains for PFOA Adsorption
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for relieving the toxicity of perfluorooctanoic acid (PFOA) are costly and pose unknown risks due to the use of expensive natural substances with unknown human tolerance, necessitating a safer and more effective solution.
Innovation Solution
Utilization of Lactobacillus fermentum CCFM1051, Lactobacillus casei CCFM1052, and Lactobacillus buchneri CCFM1053 strains to adsorb PFOA, alleviate oxidative stress, and restore intestinal flora balance, thereby reducing PFOA-related health issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If natural chemical substances with high antioxidant activity are used to relieve PFOA toxicity, then the relieving function is improved, but the cost increases and safety becomes uncertain due to unknown human tolerance
Solution Approach 1:
The patent replaces expensive natural substances with probiotic bacteria (Lactobacillus fermentum, Lactobacillus casei, Lactobacillus buchneri) that can be cultured at low cost. These bacterial strains are administered as live organisms rather than extracted natural products, significantly reducing material costs while maintaining effectiveness in relieving PFOA toxicity through adsorption and modulation of gut microbiota
Solution Approach 2:
The probiotic bacteria perform multiple functions autonomously: they adsorb PFOA molecules, produce antioxidants metabolically, modulate the gut microbiota composition, and enhance immune function. This self-service capability eliminates the need for separate administration of multiple expensive natural substances, achieving comprehensive protection at lower cost with known safety profiles
2Reliability
If natural chemical substances are used to relieve PFOA toxicity, then the antioxidant function is improved, but the safety deteriorates due to unknown human tolerance and potential hazards
Solution Approach 1:
The patent uses probiotic bacteria as live biological agents instead of extracted natural substances. These bacteria have established safety records as food-grade organisms (GRAS status) and can be administered repeatedly without accumulating toxic effects. The bacteria metabolically produce antioxidants in vivo, providing sustained protection without the unknown tolerance issues of natural chemical substances
Solution Approach 2:
The probiotic bacteria serve as living intermediaries that interact with the host's gut microbiota and immune system. Rather than directly introducing foreign chemical substances, the bacteria mediate the protective effect through their metabolic activities and interactions with the host's biological systems, reducing potential hazards while maintaining antioxidant function
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 strains effectively adsorb PFOA, reduce liver damage markers, restore intestinal health, and alleviate symptoms such as constipation and diabetes, offering a safer and more cost-effective alternative to existing treatments.
Implementation Method 1
The PFOA adsorption capacity of the strains was evaluated in vitro and the results showed that the three strains had good PFOA adsorption capacity
Implementation Method 2
The PFOA can cause hepatomegaly while inducing oxidative stress of a mouse liver tissue to abnormally increase free radicals
Data Source
AI summary
The present disclosure discloses multifunctional lactobacilli capable of relieving a toxic effect of perfluorooctanoic acid (PFOA) and use thereof, and belongs to the technical field of microorganisms. Lactobacillus fermentum CCFM1051, Lactobacillus casei CCFM1052 and Lactobacillus buchneri CCFM1053 of the present disclosure have high adsorption effect on PFOA, can significantly relieve liver oxidative stress damage and serum biochemical indicators caused by PFOA, spleen atrophy caused by PFOA exposure, imbalance of intestinal microorganisms caused by PFOA exposure and metabolic disorder of intestinal flora caused by PFOA exposure, significantly increase the content of acetic acid and propionic acid in the intestinal tract, increase the fecal water content and decrease first black stool defecation time of mice with constipation, improve proliferation and MafA gene expression of INS-1 cells under high glucose, have the potential to relieve PFOA-related diabetes, reduce occurrence of liver diseases, metabolic diseases and potential carcinogenicity, and have broad use prospects.