Valorization of sugar beet pulp to value-added products: A review

Zeba Usmani, Minaxi Sharma, Deepti Diwan, Manikant Tripathi, Eric Whale, Lahiru N. Jayakody, Benoît Moreau, Vijay Kumar Thakur, Maria Tuohy, Vijai Kumar Gupta

Research output: Contribution to journalReview articlepeer-review

6 Scopus citations

Abstract

The processing of sugar beet in the sugar production industry releases huge amounts of sugar beet pulp as waste which can be considered a valuable by-product as a source of cellulose, hemicellulose, and pectin. Valorization of sugar beet pulp into value added products occurs through acid hydrolysis, hydrothermal techniques, and enzymatic hydrolysis. Biochemical conversion of beet pulp into simple fermentable sugars for producing value added products occurs through enzymatic hydrolysis is a cost effective and eco-friendly process. While beet pulp has predominantly been used as a fodder for livestock, recent developments in its biotechnological valorization have unlocked its value as a feedstock in the production of biofuels, biohydrogen, biodegradable plastics, and platform chemicals such as lactic acid, citric acid, alcohols, microbial enzymes, single cell proteins, and pectic oligosaccharides. This review brings forward recent biotechnological developments made in the valorization of sugar beet pulp into valuable products.

Original languageEnglish
Article number126580
JournalBioresource Technology
Volume346
DOIs
StatePublished - Feb 2022

Keywords

  • Biochemical valorization
  • Bioethanol production
  • Enzymatic hydrolysis
  • Hydrothermal treatment
  • Sugar beet pulp

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