Biology; Chemistry and chemical biology; Chemical and biological engineering; Biomedical engineering
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Fermented cassava residue lignin prepared by sequential acid steam-explosion and hot-alkaline treatment and its antioxidant properties, W. Wang, S. Wanga, Y. Pana, X. Ouyang, R. J. Linhardt, Waste and Biomass Valorization, 11, 6115–6124, 2020.
Fermented cassava residue (FCR) is a solid waste generated in cassava-based ethanol production that constitutes a major environmental challenge and wastes a natural resource. In the present study, a process involving sequential acid steam-explosion and hot-alkaline treatment was developed to prepare an antioxidant lignin in high yield and purity from FCR. Two-dimensional NMR analysis indicates that FCR lignin belongs to a guaiacyl/syringyl/hydroxyphenyl (G/S/H) class of lignin. ³¹P NMR analysis, after hydroxyl group phosphorylation, indicates that phenolic hydroxyl in FCR lignin attributable to mostly G-OH. One FCR lignin (No. 3) possessed the antioxidant activity similar to that of butylated hydroxytoluene. This FCR lignin may have potential applications as a food antioxidant or in other industrial processes as an antioxidant. The present study provided an efficient process of sequent acid steam-explosion and hot-alkaline treatment to improve the added value of fermented cassava residue (FCR).;
Waste and Biomass Valorization, 11, 6115–6124; Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
The Linhardt Research Labs.; The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS);
The Linhardt Research Labs Online Collection; Rensselaer Polytechnic Institute, Troy, NY; Waste and Biomass Valorization; https://harc.rpi.edu/;