Microbial transformation: the role of fermentation in advancing nutritional quality and human health.
Level 5 - mechanism / opinion, no new human data
Narrative review synthesizing mechanistic and broad literature without systematic review methodology
PubMed 40824458 · doi:10.1007/s00203-025-04435-8
What was done
This narrative review examined the role of microbial fermentation involving lactic acid bacteria, yeast, and mold in modifying food matrix properties and impacting human health. The authors reviewed literature on microbial synthesis of bioactive metabolites (vitamins, peptides, antioxidants, short-chain fatty acids), degradation of anti-nutritional factors (phytates, oxalates), and functional food applications from published studies.
What was found
The abstract reports no numerical data, effect sizes, or study counts. It summarizes qualitatively that microbial fermentation improves food flavor, texture, and shelf life, increases the bioavailability of B vitamins and minerals, degrades anti-nutrients, and produces compounds with theoretical benefits for gut health, inflammation, gastrointestinal disorders, cardiovascular disease, and metabolic syndrome.
Why it matters
It outlines how food fermentation can be utilized to improve nutrient density and bioavailability in sustainable food systems.
Limits
As a narrative review, it lacks a systematic search protocol, risk-of-bias evaluation, and quantitative synthesis. The abstract presents generalized mechanistic and observational claims without separating in vitro or animal models from human clinical evidence, nor does it specify required dosages or strain-specific effects.
Cited by
- supports Fermenting bacteria in fermented foods produce and secrete B vitamins.