Bioactive Extracts from Salicornia ramosissima J. Woods Biorefinery as a Source of Ingredients for High-Value Industries
Author:
Hulkko Laura Sini Sofia1ORCID, Rocha Rui Miranda2, Trentin Riccardo3, Fredsgaard Malthe1ORCID, Chaturvedi Tanmay1, Custódio Luísa4ORCID, Thomsen Mette Hedegaard1
Affiliation:
1. AAU Energy, Aalborg University, Niels Bohrs Vej 8, 6700 Esbjerg, Denmark 2. RIASEARCH, Lda., Cais da Ribeira de Pardelhas 21, 3870-168 Murtosa, Portugal 3. Department of Biology, University of Padova, Via U. Bassi 58/B, 35131 Padova, Italy 4. Centre of Marine Sciences, University of Algarve, Campus of Gambelas, 8005-139 Faro, Portugal
Abstract
Salt-tolerant plants, also known as halophytes, could provide a novel source of feedstock for biorefineries. After harvesting fresh shoots for food, the lignified fraction of Salicornia ramosissima J. Woods could be used to produce bioactive botanical extracts for high-value industries such as nutraceuticals, cosmetics, and biopharmaceuticals. The residual fraction after extraction can be further used for bioenergy or lignocellulose-derived platform chemicals. This work analysed S. ramosissima from different sources and growth stages. After pre-processing and extractions, the obtained fractions were analysed for their contents of fatty acids, pigments, and total phenolics. Extracts were also evaluated for their in vitro antioxidant properties and inhibitory effect towards enzymes related to diabetes, hyperpigmentation, obesity, and neurogenerative diseases. The ethanol extract from the fibre residue and the water extract from completely lignified plants showed the highest concentration of phenolic compounds along with the highest antioxidant potential and enzyme-inhibitory properties. Hence, they should be further explored in the context of biorefinery.
Funder
European Union’s Horizon 2020 Research and Innovation Programme Foundation for Science and Technology FCT Scientific Employment Stimulus Fundo Azul
Subject
Plant Science,Ecology,Ecology, Evolution, Behavior and Systematics
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