Cultivation and characterisation of Salicornia europaea, Tripolium pannonicum and Crithmum maritimum biomass for green biorefinery applications

Laura Sini Sofia Hulkko*, Ariel E. Turcios, Stéphane Kohnen, Tanmay Chaturvedi, Jutta Papenbrock, Mette Hedegaard Thomsen

*Corresponding author for this work

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Abstract

Salt-tolerant halophytes have shown potential for biorefinery and agricultural use in salt-affected soils, increasing the value of marginal lands. They could provide a bio-based source for compounds obtained from the petrochemical industry or an alternative for biomass currently imported overseas. Salicornia europaea, Tripolium pannonicum and Crithmum maritimum were cultivated in hydroponic systems under various salinity conditions, harvested green but not food-grade, and fractionated to green juice and fibre residue. Obtained fractions were characterised for contents of carbohydrates, Klason lignin, crude protein, organic acids, lipids, and minerals to evaluate the biomass’ suitability for biorefinery. Significant differences were observed in the biomass yield and the composition of the biomass fractions from different cultivation salinities. High concentrations of crude protein were found. Thus, these species could have the potential for green protein production. Fractions rich in carbohydrates could be used for lignocellulose processing and processes utilising micro-organisms.
Original languageEnglish
Article number20507
JournalScientific Reports
Volume12
Issue number1
ISSN2045-2322
DOIs
Publication statusPublished - Dec 2022

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© 2022. The Author(s).

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