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Bioconversion of Biomass-Derived Phenols Catalyzed by Myceliophthora thermophila Laccase
Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens.ORCID-id: 0000-0003-0361-7690
Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens.
National Technical University of Athens, Laboratory of Polymer Technology, School of Chemical Engineering, National Technical University of Athens.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Kemiteknik.ORCID-id: 0000-0003-0079-5950
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2016 (Engelska)Ingår i: Molecules, ISSN 1431-5157, E-ISSN 1420-3049, Vol. 21, nr 5, artikel-id 550Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Biomass-derived phenols have recently arisen as an attractive alternative for building blocks to be used in synthetic applications, due to their widespread availability as an abundant renewable resource. In the present paper, commercial laccase from the thermophilic fungus Myceliophthora thermophila was used to bioconvert phenol monomers, namely catechol, pyrogallol and gallic acid in water. The resulting products from catechol and gallic acid were polymers that were partially characterized in respect to their optical and thermal properties, and their average molecular weight was estimated via solution viscosity measurements and GPC. FT-IR and 1H-NMR data suggest that phenol monomers are connected with ether or C–C bonds depending on the starting monomer, while the achieved molecular weight of polycatechol is found higher than the corresponding poly(gallic acid). On the other hand, under the same condition, pyrogallol was dimerized in a pure red crystalline compound and its structure was confirmed by 1H-NMR as purpurogallin. The herein studied green synthesis of enzymatically synthesized phenol polymers or biological active compounds could be exploited as an alternative synthetic route targeting a variety of applications.

Ort, förlag, år, upplaga, sidor
2016. Vol. 21, nr 5, artikel-id 550
Nationell ämneskategori
Bioprocessteknik
Forskningsämne
Biokemisk processteknik
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URN: urn:nbn:se:ltu:diva-2500DOI: 10.3390/molecules21050550ISI: 000380241600015PubMedID: 27128897Scopus ID: 2-s2.0-84973661364Lokalt ID: 01e1fb1a-de6b-4d23-bd29-ff08bad896c0OAI: oai:DiVA.org:ltu-2500DiVA, id: diva2:975352
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Validerad; 2016; Nivå 2; 20160502 (andbra)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2023-09-05Bibliografiskt granskad

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Zerva, AnastasiaChristakopoulos, PaulTopakas, Evangelos

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