Special Issue "Microbial Technologies for Sustainable Food Production: Bio-Based Eco- Friendly Solutions"

A special issue of Fermentation (ISSN 2311-5637).

Deadline for manuscript submissions: closed (28 February 2021).

Special Issue Editors

Dr. Tiziana Nardi
Website
Guest Editor
CREA—Council for Agricultural Research and Economics - Research Centre for Viticulture and Enology, Conegliano, Italy
Dr. Giacomo Zara
Website
Guest Editor
Dipartimento di Agraria, Università degli Studi di Sassari, Sassari, Italy
Interests: food microbiology; biotechnology; biocontrol; microbiota of raw materials; fermented beverages
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Special Issue Information

Dear Colleagues,

 

It is largely recognized that the sustainable production of food supplies will impact the long-term preservation of natural resources. In addition, FAO evaluations assess that the agri-food sector generates around a fifth of global greenhouse gas emissions.

Sustainability in agri-food was firstly linked to field management, where the use of fertilizers, pesticides and heavy metals is a major concern.  Exploitation of the plant and soil microbiota is a focal point in developing a next-generation agriculture in this context. Indeed, the diverse community of plant and soil microorganisms affect plant fitness through direct or indirect effects like nutrient provision, alteration of plant development, pest resistance, etc.

Afterwards, the contribution of food processing has also been considered, as several procedures could be improved for reducing the environmental impact of the whole chain, including microbe-driven transformations. Microorganisms play a role in several stages of fermented-food and beverages production. Therefore, the exploitation of microbial resources and the best management of their interactions has potential effects on the environmental impact of the whole chain. The presence of proper yeast or bacterial strains, the management and timing of inoculation of starter cultures, and some appropriate technological modifications that favor selected microbial activities can lead to several positive effects.

Finally, agri-food wastes also cause major environmental problems, as water and soil pollution. However, food wastes are rich in nutrients and should be considered as renewable resources.  Using microorganisms, food wastes can be transformed into high-value goods such as liquid and gaseous biofuels, bioplastic, industrial enzymes and soil fertilizers.

Keeping in consideration the keyword “sustainability” of this Special Issue, the main topics are (not limited to) the following potential application of microorganisms:

(i) improve bio-fertilization, bio-protection and bio-control strategies from raw-material to food storage;

(ii) limit the use of chemical additives used as preservatives against microbial spoilage during food production;

(iii) allow a better energy management in fermentations;

(iv) protect microbial biodiversity throughout the processes;

(v) exploit and characterize beneficial microbiomes for fermented local-foods production;

(vi) reduce the environmental impact of agri-food by-products through their valorization or stabilization for reuse (e.g. composting, microbial wastewater treatment, production of added-value molecules)

Dr. Giacomo Zara
Dr. Tiziana Nardi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fermentation is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • food production
  • fermented beverages
  • sustainability
  • yeast
  • lactic acid bacteria
  • microbial spoilage
  • agri-food by-products
  • bio-protection

Published Papers (2 papers)

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Research

Open AccessArticle
Exploring the Biodiversity of Red Yeasts for In Vitro and In Vivo Phenotypes Relevant to Agri-Food-Related Processes
Fermentation 2021, 7(1), 2; https://doi.org/10.3390/fermentation7010002 - 24 Dec 2020
Viewed by 402
Abstract
Red yeasts grow on food wastes, show antagonistic activity against food-spoilage microorganisms, produce food supplements, and may be utilized as feed-supplements themselves to positively modulate the quali-quantitative composition of intestinal microbiota. Therefore, they show a variety of possible biotechnological applications in agri-food-related processes. [...] Read more.
Red yeasts grow on food wastes, show antagonistic activity against food-spoilage microorganisms, produce food supplements, and may be utilized as feed-supplements themselves to positively modulate the quali-quantitative composition of intestinal microbiota. Therefore, they show a variety of possible biotechnological applications in agri-food-related processes. Here, to further explore the biotechnological potential of red yeasts, eleven strains ascribed to different species of the genera Rhodotorula and Sporobolomyces, differing for biomass and carotenoids production, were characterized in vitro for biofilm formation, invasive growth, and growth at the temperature range of 20–40 °C and in vivo for their antagonistic activity against the fungal pathogen and patulin producer Penicillium expansum. Most of them formed cellular MAT and showed invasive growth as well as adhesion to plastic materials. Four strains determined a significant reduction of fruit decay caused by P. expansum on apple fruit while the remaining seven showed different degrees of biocontrol activity. Finally, none of them grew at body temperature (>37 °C). Statistical analyses of both qualitative and quantitative phenotypic data, including biomass and carotenoids production, gathered further information on the most interesting strains for the biotechnological exploitation of red yeasts in agri-food-related process. Full article
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Open AccessArticle
Enzymatic Esterification as Potential Strategy to Enhance the Sorbic Acid Behavior as Food and Beverage Preservative
Fermentation 2020, 6(4), 96; https://doi.org/10.3390/fermentation6040096 - 03 Oct 2020
Cited by 2 | Viewed by 671
Abstract
Sorbic acid is the most commonly used preservative in the food industry. The antimicrobial inhibition of sorbic acid could be influenced by its lipophilic nature, which reduces its use in hydrophilic food formulations. Reactions between sorbic acid and glycerol catalyzed by lipases were [...] Read more.
Sorbic acid is the most commonly used preservative in the food industry. The antimicrobial inhibition of sorbic acid could be influenced by its lipophilic nature, which reduces its use in hydrophilic food formulations. Reactions between sorbic acid and glycerol catalyzed by lipases were studied in order to develop a novel sorbic acid derivate with a promising hydrophilic profile. The esterification reaction between sorbic acid and glycerol in a solvent-free system were performed with an immobilized lipase B from Candida antarctica (CALB). The glycerol sorbate product has been tested against S. griseus bacterium and Saccharomyces cerevisiae yeast. Results indicate that the esterification of sorbic acid with glycerol does improve its antimicrobial properties against Saccharomyces cerevisie. The reported results demonstrate that esterification can be used as a strategy to improve the antimicrobial activity of sorbic acid. Full article
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