Microscopic Analysis of Pigments Extracted from Spalting Fungi

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 Chloro...

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Main Authors: Sarath M. Vega Gutierrez, Sara C. Robinson
Format: Article
Language:English
Published: MDPI AG 2017-03-01
Series:Journal of Fungi
Subjects:
Online Access:http://www.mdpi.com/2309-608X/3/1/15
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author Sarath M. Vega Gutierrez
Sara C. Robinson
author_facet Sarath M. Vega Gutierrez
Sara C. Robinson
author_sort Sarath M. Vega Gutierrez
collection DOAJ
description 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.
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spelling doaj.art-d4e30bc516b849eba44d43a12a8ca4632022-12-21T22:22:49ZengMDPI AGJournal of Fungi2309-608X2017-03-01311510.3390/jof3010015jof3010015Microscopic Analysis of Pigments Extracted from Spalting FungiSarath M. Vega Gutierrez0Sara C. Robinson1Department of Wood Science & Engineering, 119 Richardson Hall, Oregon State University, Corvallis, OR 97331, USADepartment of Wood Science & Engineering, 119 Richardson Hall, Oregon State University, Corvallis, OR 97331, USAPigments 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.http://www.mdpi.com/2309-608X/3/1/15extracted fungal pigmentsspaltingmicroscopySEMFIB
spellingShingle Sarath M. Vega Gutierrez
Sara C. Robinson
Microscopic Analysis of Pigments Extracted from Spalting Fungi
Journal of Fungi
extracted fungal pigments
spalting
microscopy
SEM
FIB
title Microscopic Analysis of Pigments Extracted from Spalting Fungi
title_full Microscopic Analysis of Pigments Extracted from Spalting Fungi
title_fullStr Microscopic Analysis of Pigments Extracted from Spalting Fungi
title_full_unstemmed Microscopic Analysis of Pigments Extracted from Spalting Fungi
title_short Microscopic Analysis of Pigments Extracted from Spalting Fungi
title_sort microscopic analysis of pigments extracted from spalting fungi
topic extracted fungal pigments
spalting
microscopy
SEM
FIB
url http://www.mdpi.com/2309-608X/3/1/15
work_keys_str_mv AT sarathmvegagutierrez microscopicanalysisofpigmentsextractedfromspaltingfungi
AT saracrobinson microscopicanalysisofpigmentsextractedfromspaltingfungi