An alternative anionic bio-sustainable anti-fungal agent : Investigation of its mode of action on the fungal cell membrane

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An alternative anionic bio-sustainable anti-fungal agent : Investigation of its mode of action on the fungal cell membrane

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Publication Article, peer reviewed scientific
Title An alternative anionic bio-sustainable anti-fungal agent : Investigation of its mode of action on the fungal cell membrane
Author Stenbæk, Jonas ; Löf, David ; Falkman, Peter ; Jensen, Bo ; Cárdenas, Marité
Date 2017
English abstract
The potential of a lactylate (the sodium caproyl lactylate or C10 lactylate), a typical food grade emulsifier, as an anionic environmental friendly anti-fungal additive was tested in growth medium and formulated in a protective coating for exterior wood. Different laboratory growth tests on the blue stain fungus Aureobasidium pullulans were performed and its interactions on a model fungal cell membrane were studied. Promising short term anti-fungal effects in growth tests were observed, although significant but less dramatic effects took place in coating test on wood panels. Scanning electron microscope analysis shows clear differences in the amount of fungal slime on the mycelium of Aureobasidium pullulans when the fungus was exposed of C10 lactylate. This could indicate an effect on the pullulan and melanin production by the fungus. Moreover, the interaction studies on model fungal cell membranes show that C10 lactylate affects the phospholipid bilayer in a similar manner to other negative charged detergents. (C) 2017 Elsevier Inc. All rights reserved.
DOI https://doi.org/10.1016/j.jcis.2017.03.018 (link to publisher's fulltext.)
Publisher Elsevier
Host/Issue Journal of Colloid and Interface Science;
Volume 497
ISSN 0021-9797
Language eng (iso)
Subject Antifungal
Lactylate
Aureobasidium pullulans
Blue stain
Biocide
Fatty acid-based emulsifiers
Sciences
Research Subject Categories::NATURAL SCIENCES
Handle http://hdl.handle.net/2043/23587 Permalink to this page
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