Microbial Spoilage of Beverages

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

Deadline for manuscript submissions: closed (1 December 2020) | Viewed by 7776

Special Issue Editors


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Guest Editor
Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini, 1-64100 Teramo, Italy
Interests: Saccharomyces cerevisiae; non-Saccharomyces; yeast physiology; yeast flocculation; biogenic amines; dairy products; meat products; food fermentation; aroma compounds; food safety
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via Balzarini 1, 64100 Teramo, Italy
Interests: wine yeast; Saccharomyces cerevisiae; Kluyveromyces marxianus; non-Saccharomyces; yeast physiology; yeast flocculation; biofilm; biogenic amines
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via Balzarini 1, 64100 Teramo, Italy
Interests: wine; sparkling wine; yeasts; gene expression; biogenic amines; starter cultures; food microbiology; biofilm
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, consumers have become more conscious about the role of fermented and non-fermented beverages in their diets. In fact, such beverages are no longer consumed only to provide refreshment and hydration or to celebrate special occasions, but also to prevent nutrition-related disorders. Consumers are paying more and more attention to food safety, which represents a primary goal all over the world. The demands on natural fermentation processes are increasing; however, such processes are difficult to control, and microbial spoilage can occur. Microbial spoilage can make beverages unacceptable to consumers. Many microorganisms can act as spoilers (e.g., bacteria, yeasts, and filamentous fungi).

In this Special Issue, “Microbial Spoilage of Beverages”, we invite specialists and researchers working in this field to submit original and review articles concerning: spoilage detection and occurrence in beverages, understanding spoilers’ adaptation to beverage environments and processing conditions, the adhesion properties of spoilage microorganisms, innovative approaches for detection of spoilers, microbial metabolites with a negative impact on beverage quality and safety, occurrence of toxic compounds (mycotoxins, biogenic amines, etc.) or pathogens in beverages, microbial control strategies, and analysis of spoiled beverages.

Prof. Dr. Giovanna Suzzi
Dr. Rosanna Tofalo
Dr. Giorgia Perpetuini
Guest Editors

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Keywords

  • Spoilage
  • Yeasts
  • Bacteria
  • Fermented and non-fermented beverages
  • Microbial control strategies
  • Beverage processing
  • Biofilm
  • Spoilers detection

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Published Papers (1 paper)

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Research

14 pages, 1930 KiB  
Article
The Use of Candida pyralidae and Pichia kluyveri to Control Spoilage Microorganisms of Raw Fruits Used for Beverage Production
by Maxwell Mewa-Ngongang, Heinrich W. du Plessis, Seteno Karabo Obed Ntwampe, Boredi Silas Chidi, Ucrecia Faith Hutchinson, Lukhanyo Mekuto and Neil Paul Jolly
Foods 2019, 8(10), 454; https://doi.org/10.3390/foods8100454 - 6 Oct 2019
Cited by 26 | Viewed by 6039
Abstract
Undesired fermentation of fruit-derived beverages by fungal, yeast and bacterial spoilage organisms are among the major contributors of product losses in the food industry. As an alternative to chemical preservatives, the use of Candida pyralidae and Pichia kluyveri was assessed for antimicrobial activity [...] Read more.
Undesired fermentation of fruit-derived beverages by fungal, yeast and bacterial spoilage organisms are among the major contributors of product losses in the food industry. As an alternative to chemical preservatives, the use of Candida pyralidae and Pichia kluyveri was assessed for antimicrobial activity against several yeasts (Dekkera bruxellensis, Dekkera anomala, Zygosaccharomyces bailii) and fungi (Botrytis cinerea, Colletotrichum acutatum and Rhizopus stolonifer) associated with spoilage of fruit and fruit-derived beverages. The antagonistic properties of C. pyralidae and P. kluyveri were evaluated on cheap solidified medium (grape pomace extract) as well as on fruits (grapes and apples). Volatile organic compounds (VOCs) from C. pyralidae and P. kluyveri deemed to have antimicrobial activity were identified by gas chromatography-mass spectrometry (GC-MS). A cell suspension of C. pyralidae and P. kluyveri showed growth inhibition activity against all spoilage microorganisms studied. Direct contact and extracellular VOCs were two of the mechanisms of inhibition. Twenty-five VOCs belonging to the categories of alcohols, organic acids and esters were identified as potential sources for the biocontrol activity observed in this study. This study reports, for the first time, the ability of C. pyralidae to inhibit fungal growth and also for P. kluyveri to show growth inhibition activity against spoilage organisms (n = 6) in a single study. Full article
(This article belongs to the Special Issue Microbial Spoilage of Beverages)
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