Biomass Valorization: Sustainable Methods for the Production of Hemicellulolytic Catalysts from Thermoanaerobacterium thermostercoris strain BUFF

Ilaria Finore, Ida Romano, Luigi Leone, Paola Di Donato, Barbara Nicolaus, Annarita Poli and Licia Lama
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Ilaria Finore: Institute of Biomolecular Chemistry (ICB), Consiglio Nazionale delle Ricerche (CNR), Via Campi Flegrei 34, 80078 Pozzuoli , Italy
Ida Romano: Institute of Biomolecular Chemistry (ICB), Consiglio Nazionale delle Ricerche (CNR), Via Campi Flegrei 34, 80078 Pozzuoli , Italy
Luigi Leone: Institute of Biomolecular Chemistry (ICB), Consiglio Nazionale delle Ricerche (CNR), Via Campi Flegrei 34, 80078 Pozzuoli , Italy
Paola Di Donato: Institute of Biomolecular Chemistry (ICB), Consiglio Nazionale delle Ricerche (CNR), Via Campi Flegrei 34, 80078 Pozzuoli , Italy
Barbara Nicolaus: Institute of Biomolecular Chemistry (ICB), Consiglio Nazionale delle Ricerche (CNR), Via Campi Flegrei 34, 80078 Pozzuoli , Italy
Annarita Poli: Institute of Biomolecular Chemistry (ICB), Consiglio Nazionale delle Ricerche (CNR), Via Campi Flegrei 34, 80078 Pozzuoli , Italy
Licia Lama: Institute of Biomolecular Chemistry (ICB), Consiglio Nazionale delle Ricerche (CNR), Via Campi Flegrei 34, 80078 Pozzuoli , Italy

Resources, 2021, vol. 10, issue 11, 1-15

Abstract: Processing and selection of fruits and vegetables generate high quantities of wastes that represent an economic and environmental issue for the agroindustry sector. According to the so-called “biorefinery” approach, this biomass can be exploited for the recovery of value-added molecules. In this study, the residues of industrial processing of tomato ( Lycopersicon esculentum variety “Hybrid Rome”), fennel ( Foeniculum vulgare ), potato ( Solanum tuberosum ) and carrot ( Daucus carota ) were used as sole carbon sources to support cheap and sustainable microbial growth as well as the production of secondary metabolites (hydrogen and ethanol) by Thermoanaerobacterium thermostercoris strain BUFF, a thermophilic anaerobic microorganism isolated from buffalo-dung compost. Moreover, the use of hemicellulolytic enzymes of T. thermostercoris was assayed in the bioconversion reaction of the polymer fraction extracted from the rhizome of giant reed ( Arundo donax ) and of the leaves and stems of cardoon ( Cynara cardunculus ), dedicated non-food crops employed in energy supply.

Keywords: agro-waste biomass; hemicellulose; biorefinery; Thermoanaerobacterium thermostercoris; extremozymes; hydrogen; ethanol (search for similar items in EconPapers)
JEL-codes: Q1 Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2021
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