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Open AccessReview

Antifungal Microbial Agents for Food Biopreservation—A Review

1
Laboratoire Universitaire de Biodiversité et Ecologie Microbienne (LUBEM EA3882), Université de Brest, Technopole Brest-Iroise, 29280 Plouzané, France
2
UMR1253 Science et Technologie du Lait et de l’Œuf, INRA, Agrocampus Ouest, 65 rue de Saint Brieuc, 35000 Rennes, France
*
Author to whom correspondence should be addressed.
Academic Editors: Régine Talon and Monique Zagorec
Microorganisms 2017, 5(3), 37; https://doi.org/10.3390/microorganisms5030037
Received: 9 May 2017 / Revised: 21 June 2017 / Accepted: 24 June 2017 / Published: 8 July 2017
Food spoilage is a major issue for the food industry, leading to food waste, substantial economic losses for manufacturers and consumers, and a negative impact on brand names. Among causes, fungal contamination can be encountered at various stages of the food chain (e.g., post-harvest, during processing or storage). Fungal development leads to food sensory defects varying from visual deterioration to noticeable odor, flavor, or texture changes but can also have negative health impacts via mycotoxin production by some molds. In order to avoid microbial spoilage and thus extend product shelf life, different treatments—including fungicides and chemical preservatives—are used. In parallel, public authorities encourage the food industry to limit the use of these chemical compounds and develop natural methods for food preservation. This is accompanied by a strong societal demand for ‘clean label’ food products, as consumers are looking for more natural, less severely processed and safer products. In this context, microbial agents corresponding to bioprotective cultures, fermentates, culture-free supernatant or purified molecules, exhibiting antifungal activities represent a growing interest as an alternative to chemical preservation. This review presents the main fungal spoilers encountered in food products, the antifungal microorganisms tested for food bioprotection, and their mechanisms of action. A focus is made in particular on the recent in situ studies and the constraints associated with the use of antifungal microbial agents for food biopreservation. View Full-Text
Keywords: antifungal; bioprotection; biocontrol; food; post-harvest; fungi; lactic acid bacteria; propionibacteria; Bacillus; fermentates; molecules antifungal; bioprotection; biocontrol; food; post-harvest; fungi; lactic acid bacteria; propionibacteria; Bacillus; fermentates; molecules
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Leyva Salas, M.; Mounier, J.; Valence, F.; Coton, M.; Thierry, A.; Coton, E. Antifungal Microbial Agents for Food Biopreservation—A Review. Microorganisms 2017, 5, 37.

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