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J. Fungi 2017, 3(1), 15; doi:10.3390/jof3010015

Microscopic Analysis of Pigments Extracted from Spalting Fungi

Department of Wood Science & Engineering, 119 Richardson Hall, Oregon State University, Corvallis, OR 97331, USA
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Author to whom correspondence should be addressed.
Academic Editors: Laurent Dufossé, Yanis Caro and Mireille Fouillaud
Received: 2 February 2017 / Revised: 10 March 2017 / Accepted: 10 March 2017 / Published: 14 March 2017
(This article belongs to the Special Issue Fungal Pigments)
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Abstract

Pigments that are currently available in the market usually come from synthetic sources, or, if natural, often need mordants to bind to the target substrate. Recent research on the fungal pigment extracts from Scytalidium cuboideum, Scytalidium ganodermophthorum, Chlorociboria aeruginosa, and Chlorociboria aeruginascens have been shown to successfully dye materials, like wood, bamboo, and textiles, however, there is no information about their binding mechanisms. Due to this, a microscopic study was performed to provide information to future manufacturers interested in these pigments. The results of this study show that S. ganodermophthorum and C. aeruginosa form an amorphous layer on substrates, while S. cuboideum forms crystal-like structures. The attachment and morphology indicate that there might be different chemical and physical interactions between the extracted pigments and the materials. This possibility can explain the high resistance of the pigments to UV light and color fastness that makes them competitive against synthetic pigments. These properties make these pigments a viable option for an industry that demands natural pigments with the properties of the synthetic ones. View Full-Text
Keywords: extracted fungal pigments; spalting; microscopy; SEM; FIB extracted fungal pigments; spalting; microscopy; SEM; FIB
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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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MDPI and ACS Style

Vega Gutierrez, S.M.; Robinson, S.C. Microscopic Analysis of Pigments Extracted from Spalting Fungi. J. Fungi 2017, 3, 15.

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