Chitin Nanopaper from Mushroom Extract: Natural Composite of Nanofibers and Glucan from a Single Biobased Source | Zendy

Wan Mohd Fazli Wan Nawawi | Zendy; KoonYang Lee | Zendy; Eero Kontturi | Zendy; Richard Murphy | Zendy; Alexander Bismarck | Zendy

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Chitin Nanopaper from Mushroom Extract: Natural Composite of Nanofibers and Glucan from a Single Biobased Source

Author(s) -

Wan Mohd Fazli Wan Nawawi,

KoonYang Lee,

Eero Kontturi,

Richard Murphy,

Alexander Bismarck

Publication year - 2019

Publication title -

acs sustainable chemistry and engineering

Language(s) - English

Resource type - Journals

ISSN - 2168-0485

DOI - 10.1021/acssuschemeng.9b00721

Subject(s) - chitin , mushroom , extraction (chemistry) , glucan , nanofiber , pleurotus , beta glucan , polysaccharide , chemistry , substrate (aquarium) , composite number , chemical engineering , ultimate tensile strength , materials science , food science , chitosan , nanotechnology , chromatography , composite material , organic chemistry , biology , ecology , engineering

An isolation method with mild mechanical agitation and no acidic extraction step from a mushroom substrate resulted in chitin nanofibers (ChNFs) with large shares of retained glucans (50–65%). The subsequent chitin nanopapers exhibited exceptionally high tensile strengths of >200 MPa and moduli of ca. 7 GPa, which were largely attributed to the preserved glucans in the mixture, imparting a composite nature to the nanopapers. The isolation method for ChNFs is notably different from the conventional process with crustacean chitin sources that do not incorporate glucans and where an acidic extraction step for the removal of minerals must always be included.

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