Advances in the Use of Unconventional Raw Materials for Improving Quality and Safety Characteristics, Flavor Chemistry and Nutritional Value of Fermented Foods

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Microbiology".

Deadline for manuscript submissions: 15 June 2025 | Viewed by 1378

Special Issue Editors


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Guest Editor
Institute of Sciences of Food Production, Italian National Council of Research, ISPA-CNR, Via Amendola 122/O, 70126 Bari, Italy
Interests: food microbiology; lactic acid bacteria; fermentation; functional foods; high-value foods development.

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Guest Editor
Institute of Sciences of Food Production, Italian National Council of Research, ISPA-CNR, Via Amendola 122/O, 70126 Bari, Italy
Interests: food fermentation; bioactive metabolites; prebiotics and probiotics; functional foods; antimicrobial activity

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Guest Editor
Department of Biosciences, Biotechnologies and Environment, University of Bari, Via Orabona 5, 70126 Bari, Italy
Interests: food bioactives; antioxidant activity; functional characterization; physiology of nutrition; cell and molecular physiology of phytocompounds
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Special Issue Information

Dear Colleagues,

The use of unconventional raw materials within food processing is becoming a widely used innovative and sustainable approach for developing food products with enhanced nutritional, organoleptic, technological, functional, and preservative features to satisfy increasing requests for a healthy diet. These alternative matrices can be subjected to microbial or enzymatic bioconversion to obtain food ingredients enriched in bioactive compounds or used in combination with the biotechnological process. At the same time, fermentation has been practiced for centuries to produce food, often using selected starters, such as lactic acid bacteria (LAB) and yeasts. Together, these substrates and processes provide several benefits to human health, product safety, and environmental and economic sustainability.

In this Special Issue, we invite submissions of cutting-edge research findings, as well as review papers that explore the use of unconventional matrices as food ingredients in combination with the fermentation process in food processing to bridge the gap in understanding about their potential in food improvement.

Topics of interest include, but are not limited to, the following: 

  • The valorization of non-conventional food matrices by enzymatic and microbial biotechnologies;
  • Fermentation protocols for developing ingredients and foods with implemented nutritional/functional/organoleptic/technological features;
  • The functional characterization of innovative products;
  • The improvement of food safety concerning the reduction of toxic secondary metabolites, such as mycotoxins and biogenic amines;
  • Sustainability;
  • The nutrition and health benefits of fermented foods;

The ability of the food microbiome to ameliorate organoleptic properties (smell, texture, color, and taste) of traditional or innovative fermented foods

Dr. Mariaelena Di Biase
Dr. Francesca Valerio
Dr. Grazia Tamma
Guest Editors

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Keywords

  • fermentation
  • unconventional plant matrices for fermentation
  • lactic acid bacteria
  • functional activity
  • nutritional and safety quality

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Published Papers (1 paper)

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Research

20 pages, 2794 KiB  
Article
Microbial Ecology and Nutritional Features in Liquid Sourdough Containing Hemp Flour Fermented by Lactic Acid Bacterial Strains
by Mariaelena Di Biase, Daniel Scicchitano, Francesca Valerio, Stella Lisa Lonigro, Valentina Cifarelli, Giorgia Ostante, Isabella D’Antuono, Marco Candela and Massimo Ferrara
Foods 2025, 14(3), 469; https://doi.org/10.3390/foods14030469 - 1 Feb 2025
Viewed by 916
Abstract
Hemp seed flour (Cannabis sativa) is a non-traditional matrix alternative to wheat for baked goods production. The aim of this study was to investigate the microbiota of two liquid sourdoughs (SLs) based on hemp or a wheat–hemp mixture, before and after [...] Read more.
Hemp seed flour (Cannabis sativa) is a non-traditional matrix alternative to wheat for baked goods production. The aim of this study was to investigate the microbiota of two liquid sourdoughs (SLs) based on hemp or a wheat–hemp mixture, before and after spontaneous or piloted fermentation (Lactiplantibacillus plantarum ITM21B or Weissella cibaria C43-11 used as starters). Culture-dependent and -independent (high-throughput sequencing of bacterial phylogenetic V3-V4 regions of the 16S rRNA gene) methods, were used to evaluate the microbial community. The effect of fermentation on the content of bioactive molecules (polyphenols, organic acids, proteins, and amino acids) was also investigated. Results indicated that the microbial community of all SLs was mainly (99.7 ÷ 100%) composed of Firmicutes and Proteobacteria, and the latter was the unique phylum before fermentation in formulations produced exclusively with hemp flour. Two PCoA plots (Test adonis with pseudo-F ratio, p > 0.05) showed no significance difference between the microbial communities of the formulations. However, the relative abundance variation at the family level in the wheat–hemp-based mixture SLs showed a significant enrichment of the Lactobacillaceae family (Kruskal–Wallis test, p = 0.04). Moreover, results confirmed hemp seed flour as a suitable fermentation substrate to obtain microbial consortia allowing for an increase in organic acids, especially lactic acid (9.12 ± 1.22 and 7.45 ± 0.75 mmol/kg with Lpb. plantarum and W. cibaria, respectively), in both piloted fermentations, and in polyphenols by 21% and amino acids by 158% in SL fermented by the C43-11 strain. Full article
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