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Open AccessFeature PaperArticle

Low-Molecular-weight phenols recovery by eco-Friendly extraction from Quercus spp. wastes: An analytical and biomass-sustainability evaluation

1
Department of Pharmaceutical Sciences, University of Perugia, Via San Costanzo, 06126 Perugia, Italy
2
LAR Laboratory-Engineering Department, University of Perugia, Via G. Duranti 93, 06125 Perugia, Italy
3
CIMIS Consortium, Via G. Duranti 67, 06125 Perugia, Italy
*
Authors to whom correspondence should be addressed.
Federica Ianni and Enrico Segoloni equally contributed to this work.
Processes 2020, 8(4), 387; https://doi.org/10.3390/pr8040387 (registering DOI)
Received: 3 March 2020 / Revised: 18 March 2020 / Accepted: 24 March 2020 / Published: 26 March 2020
(This article belongs to the Special Issue Extraction Optimization Processes of Antioxidants)
In this work, chemical–physical protocols aimed at the implementation of eco-friendly and biomass-sustainable recovery processes of useful compounds from forestry and/or wood industry wastes were evaluated. Four species of interest in industrial and environmental fields (Quercus cerris, Quercus ilex, and Robinia pseudoacacia from Central Italy, Quercus petraea from France) were submitted to neutral extraction and analyzed by gaschromatography, with mass spectrometry identification of low-molecular-weight phenols. Moreover, Quercus petraea heartwood samples were submitted to three extraction/hydrolysis protocols in an alkaline environment, and the byproducts from the lignin degradation were identified and evaluated. The recovery of bioactive phenols from forestry wastes by applying eco-friendly extractive protocols may reveal a precious strategy for rethinking the management of such wastes, in line with the fundamentals of “circular economy”.
Keywords: wood waste; mild extraction/hydrolysis protocols; lignin; phenolic compounds recovery; circular economy wood waste; mild extraction/hydrolysis protocols; lignin; phenolic compounds recovery; circular economy
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MDPI and ACS Style

Ianni, F.; Segoloni, E.; Blasi, F.; Di Maria, F. Low-Molecular-weight phenols recovery by eco-Friendly extraction from Quercus spp. wastes: An analytical and biomass-sustainability evaluation. Processes 2020, 8, 387.

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