The T-test was not applied for any of the results in Table 2 , since there was only one replicate of each trial. As shown in Table 1 , when L. The inclusion of glycerol makes a significant difference in the inhibition of EPEC. As shown in Table 2 , when all gram-negative bacteria were studied under these conditions and increasing the content of glycerol, they showed the same pattern of inhibition, being completely inhibited at higher ranges of glycerol concentrations 0.
Although studies show that reuterin produced by L. Inhibitory activity spectrum of reuterin produced by Lactobacillus reuteri against intestinal bacteria. BMC Microbiol. It was only when glycerol was added to this combination that L. In the human body, concentration of glycerol is quite small. It would be essential to analyze how the manipulated amount of glycerol in our experiment contributed to the levels of inhibition, and what could be expected in the human body. Interestingly, glycerol concentrations ranging from 0.
This demonstrates how the addition of glycerol to L. As all data were collected with the same batch despite different times, it could be considered it would eliminate possible factors such as risking to having damaged or slightly different samples.
The consequences of the glycerol supplementation in bacterial pathogens of GI tract have yet to be fully explored, as the amount of glycerol available for adequate antimicrobial effect has not been studied.
We are introducing a concept that requires further exploration as probiotics do indeed maintain health and good supplementation of natural microbiota. Glycerol is essential for the antimicrobial activity of L. It might be wise to consider using an additional dosage of glycerol when taking L. Possibly if L. Further work is needed concerning the production of reuterin and other metabolites that may alter probiotic effects and consequently the growth of enteropathogenic bacteria.
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Correspondence to Shiyan Qiao. CH and SQ carried out the literature study and drafted the manuscript. All authors read and approved the final manuscript.
Reprints and Permissions. Hou, C. Study and use of the probiotic Lactobacillus reuteri in pigs: a review. J Animal Sci Biotechnol 6, 14 Download citation. Received : 26 October Accepted : 26 March Published : 09 April Anyone you share the following link with will be able to read this content:.
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