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Molecular Insights into Traditional Foods: Bioactive Compounds, Gut Microbiota Modulation, and Health Outcomes

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Bioactives and Nutraceuticals".

Deadline for manuscript submissions: closed (31 March 2026) | Viewed by 1701

Special Issue Editor


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Guest Editor
Dr. Schär Research & Development Department, 34139 Trieste, Italy
Interests: foods; bioactive; gut microbiota; bread; traditional foods

Special Issue Information

Dear Colleagues,

Traditional foods are increasingly recognized as rich sources of bioactive molecules that modulate health through precise molecular mechanisms. Fibers, polyphenols, peptides, and fermentation-derived metabolites interact with gut microbiota, driving the production of short-chain fatty acids, regulating bile acid metabolism, and influencing host-signalling pathways linked to inflammation, oxidative stress, and energy balance. These molecular interactions are key to understanding the preventive and therapeutic potential of traditional diets against chronic diseases. Among them, metabolic syndrome is a prominent example where modulation of glucose and lipid metabolism, insulin sensitivity, and immune regulation by traditional foods has been documented. Expanding our mechanistic knowledge in this area not only clarifies the role of traditional foods in health promotion but also supports the development of novel functional foods and sustainable nutritional strategies. 

We invite academic and industrial researchers in the fields of molecular nutrition, microbiota science, and functional food development to submit original research articles or reviews presenting the latest advances in molecular mechanisms by which traditional foods influence gut microbiota and systemic health outcomes.

Potential topics include, but are not limited to, the following:

  • Molecular mechanisms of bioactive compounds from traditional foods;
  • Gut microbiota-derived metabolites and host metabolic regulation;
  • Fermented foods and their role in immune, metabolic, and gastrointestinal pathways;
  • Omics-based approaches to study diet–microbiota–host molecular interactions;
  • Mechanistic insights into oxidative stress and inflammation modulation;
  • Traditional food compounds and chronic disease prevention (e.g., metabolic syndrome, cardiovascular disease, diabetes);
  • Translational studies linking molecular mechanisms to functional food innovation.

Dr. Gaetano Cardone
Guest Editor

Manuscript Submission Information

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Keywords

  • gut microbiota
  • bioactive compounds
  • molecular nutrition
  • metabolic health
  • fermentation

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Published Papers (1 paper)

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Review

29 pages, 776 KB  
Review
Traditional Foods, Oral Microbiome, and Systemic Health: Molecular Pathways Linking Nutrition and Oral Disease Prevention
by Juan Marcos Parise-Vasco, Jaime Angamarca-Iguago, Jaen Cagua-Ordoñez, Beatriz Cabrera, Dolores Jima Gavilanes, Raquel Horowitz, Claudia Reytor-González and Daniel Simancas-Racines
Int. J. Mol. Sci. 2026, 27(5), 2412; https://doi.org/10.3390/ijms27052412 - 5 Mar 2026
Viewed by 1109
Abstract
Periodontal disease affects 10–50% of the global population and is associated with various systemic conditions, including diabetes, cardiovascular disease and adverse pregnancy outcomes. Emerging evidence highlights diet as a critical, modifiable factor that influences the composition of the oral microbiome and periodontal health. [...] Read more.
Periodontal disease affects 10–50% of the global population and is associated with various systemic conditions, including diabetes, cardiovascular disease and adverse pregnancy outcomes. Emerging evidence highlights diet as a critical, modifiable factor that influences the composition of the oral microbiome and periodontal health. This narrative review explores the molecular mechanisms through which traditional foods modulate the oral microbiome and contribute to oral and systemic health. A comprehensive literature search was conducted in PubMed/MEDLINE, the Cochrane Library, LILACS and Epistemonikos, prioritizing systematic reviews, meta-analyses and randomized controlled trials. The oral microbiome harbors over 700 bacterial species, and dysbiosis, characterized by pathogen enrichment, drives periodontal inflammation. Anti-inflammatory dietary patterns, including the Mediterranean diet, demonstrate protective effects. Omega-3 fatty acids, vitamins C and D, polyphenols and dietary fiber support periodontal health, whereas refined carbohydrates, saturated fats and pro-inflammatory nutrients can exacerbate disease. Probiotics show promise as an adjunctive therapy. However, the translation to clinical guidelines is impeded by methodological challenges, including the limited number of randomized controlled trials with oral endpoints, confounding by hygiene practices, and the lack of standardized multi-omics approaches. Nutritional counselling should be integrated into periodontal care as a modifiable risk factor. Future research priorities include precision nutrition approaches, the validation of salivary biomarkers, and interprofessional collaboration between dental and nutrition professionals. Full article
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