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Beverages 2018, 4(3), 64; https://doi.org/10.3390/beverages4030064

Bioactivity of Fucoidan as an Antimicrobial Agent in a New Functional Beverage

1
Departamento de Conservación y Calidad, Instituto de Agroquimica y Tecnologia de Alimentos, Avda. Agustin Escardino 7, Paterna, 46022 Valencia, Spain
2
Department of Food Natural Products, Institute of Life Technologies, HES.SO VALAIS-WALLIS, Rue du Rawil 64, 1950 Sion, Switzerland
*
Author to whom correspondence should be addressed.
Received: 10 July 2018 / Revised: 13 August 2018 / Accepted: 29 August 2018 / Published: 1 September 2018
(This article belongs to the Special Issue Microbiological Safety of Beverages)
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Abstract

Seaweeds are a sustainable source of novel functional ingredients with applicability in pharmaceutics, biotechnology, and food science. The bioactivity of most of these marine compounds has scarcely been studied. The present study overviews the bioactivity of the polysaccharide fucoidan derived from Fucus vesiculosus brown algae as an antimicrobial agent against Listeria monocytogenes and Salmonella enterica serovar Typhimurium. The results obtained in vitro in reference medium reveal a bacteriostatic and bactericidal effect of fucoidan against both pathogens, this bioactivity being significantly dependent (p-value ≤ 0.05) on the concentration, 5–1000 μg/mL, temperature, 8–37 °C, and exposure time, 0–12 days. The results were validated in the formulation of a new functional pasteurized apple beverage to be commercialized under refrigeration. Fucoidan added at 25–100 μg/mL was highly effective against both pathogens. These results increase knowledge for the future formulation of new functional beverages that include marine compounds (high content in fibre, high content in protein; prebiotic and antioxidant properties), additionally revealing antimicrobial potential. View Full-Text
Keywords: Fucoidan; seaweed; Fucus vesiculosus; Listeria monocytogenes; Salmonella typhimurium; antimicrobials Fucoidan; seaweed; Fucus vesiculosus; Listeria monocytogenes; Salmonella typhimurium; antimicrobials
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Poveda-Castillo, G.C.; Rodrigo, D.; Martínez, A.; Pina-Pérez, M.C. Bioactivity of Fucoidan as an Antimicrobial Agent in a New Functional Beverage. Beverages 2018, 4, 64.

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