During my research on the cell-free supernatant of probiotics, both terms are used depending on the reference. Could I write in my paper that the cell-free supernatant isolated from a probiotic is a postbiotic? In your opinion, which is most correct?
Hello Kyungpook,
I would suggest you to refer to the latest statement from ISAPP on possible definition for postbiotic :
Salminen, Seppo et al. “The International Scientific Association of Probiotics and Prebiotics (ISAPP) consensus statement on the definition and scope of postbiotics.” Nature reviews. Gastroenterology & hepatology vol. 18,9 (2021): 649-667. doi:10.1038/s41575-021-00440-6
https://pubmed.ncbi.nlm.nih.gov/33948025/
If your supernatant contains soluble components that have a proven health effect, then you will enter the scope of this definition.
Regards
David
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