A review on the valorization of lignin from sugarcane by-products: from extraction to application

Research output: Contribution to journalLiterature reviewpeer-review

Abstract

The sugarcane industry generates several by-products, namely straw and bagasse, at harvesting and processing, respectively. These by-products are of particular interest in the context of a circular economy, due to their potential as a source of value-added ingredients. Lignin is an abundant component found in sugarcane straw (SCS) and bagasse (SCB) with proved biological activity, particularly antimicrobial, antioxidant, and ultraviolet protection. Additionally, recent applications on materials have been reported for lignin-based products. Although interesting results have been published, major challenges need to be tackled, including safety, regulatory issues, and economic feasibility. The purpose of this review is to highlight the main extraction methods available for SCB and SCS and their influence on chemical structure. The main applications are also detailed in this review.
Original languageEnglish
Pages (from-to)1-46
Number of pages46
JournalBiomass and Bioenergy
Publication statusSubmitted - 5 Nov 2021

Keywords

  • Sugarcane
  • Lignin
  • Bioactivity
  • Value-added products

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