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Shiitake cultivation as biological preprocessing of lignocellulosic feedstocks-Substrate changes in crystallinity, syringyl/guaiacyl lignin and degradation-derived by-products

Chen, Feng and Martin, Carlos and Lestander, Torbjörn and Grimm, Alejandro and Xiong, Shaojun (2022). Shiitake cultivation as biological preprocessing of lignocellulosic feedstocks-Substrate changes in crystallinity, syringyl/guaiacyl lignin and degradation-derived by-products. Bioresource Technology. 344 , 126256
[Research article]

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Abstract

Formulation of substrates based on three hardwood species combined with modulation of nitrogen content by whey addition (0-2%) was investigated in an experiment designed in D-optimal model for their effects on biological preproceesing of lignocellulosic feedstock by shiitake mushroom (Lentinula edodes) cultivation. Nitrogen loading was shown a more significant role than wood species for both mushroom production and lignocellulose degradation. The fastest mycelial colonisation occurred with no nitrogen supplementation, but the highest mushroom yields were achieved when 1% whey was added. Low nitrogen content resulted in increased delignification and minimal glucan consumption. Delignification was correlated with degradation of syringyl lignin unit, as indicated by a significant reduction (41.5%) of the syringyl-to-guaiacyl ratio after cultivation. No significant changes in substrate crystallinity were observed. The formation of furan aldehydes and aliphatic acids was negligible during the pasteurisation and fungal cultivation, while the content of soluble phenolics increased up to seven-fold.

Authors/Creators:Chen, Feng and Martin, Carlos and Lestander, Torbjörn and Grimm, Alejandro and Xiong, Shaojun
Title:Shiitake cultivation as biological preprocessing of lignocellulosic feedstocks-Substrate changes in crystallinity, syringyl/guaiacyl lignin and degradation-derived by-products
Series Name/Journal:Bioresource Technology
Year of publishing :2022
Volume:344
Article number:126256
Number of Pages:10
Publisher:ELSEVIER SCI LTD
ISSN:0960-8524
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution-Noncommercial-No Derivative Works 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 2 Engineering and Technology > 209 Industrial Biotechnology > Bioenergy
Keywords:Fungal pretreatment, Hardwood substrate, Lignocellulose degradation, Phenolic components, PLS model
URN:NBN:urn:nbn:se:slu:epsilon-p-114516
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-114516
Additional ID:
Type of IDID
DOI10.1016/j.biortech.2021.126256
Web of Science (WoS)000719948700015
ID Code:26259
Faculty:S - Faculty of Forest Sciences
Department:(S) > Department of Forest Biomaterials and Technology
Deposited By: SLUpub Connector
Deposited On:02 Dec 2021 12:25
Metadata Last Modified:02 Dec 2021 12:31

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