Microbial Metabolism of Phenolic Antioxidants
A special issue of Antioxidants (ISSN 2076-3921). This special issue belongs to the section "Extraction and Industrial Applications of Antioxidants".
Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 2725
Special Issue Editor
Interests: microbial physiology; lactic acid bacteria; omics; fermentation; phenolic antioxidants; regulation of gene expression
Special Issue Information
Dear Colleagues,
Natural phenolic antioxidants comprise a wide variety of molecules with high diverse structural complexity. These metabolites have been studied for years mainly because of their antioxidant, radical scavenging, anti-inflammatory or antimutagenic properties which associate them with chronic disease prevention. On account of their signaling, antimicrobial or inhibitory properties, many of these natural molecules contribute to modulating the composition of plant or animal microbiomes, play a key role in plant defense against microbial pathogens, or impose constraints on the fermentability of lignocellulosic feedstocks.
The metabolic conversion of natural phenolic antioxidants by suitable microbes is a key process to overcoming their toxicity and determining their bioavailability, biological activity and functional efficacy. The metabolic decarboxylation or reduction of hydroxycinnamates into less toxic derivatives during fermentation by some Lactobacillus spp., the production of urolithins from ellagitannins by the gut microbiota, the partial degradation of oleuropein by Lactobacillus spp. to render table olives fit for consumption or the fermentation of daidzein by selected Lactococcus spp. to produce the pharmacokinetically improved derivative equol, exemplify how microbial activity can definitely add to the biological activities of natural phenolic antioxidants.
We invite researchers to contribute to this Special Issue with papers addressing any aspect related to the metabolic conversion of phenolic antioxidants by microbial activity, including insights into the microbial molecular responses to these natural compounds. With this Special Issue, we want to provide a worthwhile contribution to the knowledge base in this field.
Dr. Félix López De Felipe
Guest Editor
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Keywords
- antioxidants
- phenolic compounds
- metabolism
- microbial fermentation
- microbial response
- antimicrobial
- signaling
- detoxification
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