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In-Depth characterization of bioactive extracts from Posidonia oceanica waste biomass

AuthorsBenito González, Isaac; López-Rubio, Amparo ; Martínez Abad, Antonio; Ballester Frutos, Ana Rosa ; Falcó, Irene; González-Candelas, Luis ; Sánchez Moragas, Gloria ; Lozano-Sánchez, Jesús; Borrás-Linares, Isabel; Segura Carretero, Antonio; Martínez-Sanz, Marta
Antifungal activity
Antioxidant capacity
Hot water extraction
Issue Date9-Jul-2019
PublisherMultidisciplinary Digital Publishing Institute
CitationMarine Drugs 17(7): 409 (2019)
AbstractPosidonia oceanica waste biomass has been valorised to produce extracts by means of different methodologies and their bioactive properties have been evaluated. Water-based extracts were produced using ultrasound-assisted and hot water methods and classified according to their ethanol-affinity (E1: ethanol soluble; E2: non-soluble). Moreover, a conventional protocol with organic solvents was applied, yielding E3 extracts. Compositional and structural characterization confirmed that while E1 and E3 extracts were mainly composed of minerals and lipids, respectively, E2 extracts were a mixture of minerals, proteins and carbohydrates. All the extracts showed remarkably high antioxidant capacity, which was not only related to phenolic compounds but also to the presence of proteins and polysaccharides. All E2 and E3 extracts inhibited the growth of several foodborne fungi, while only E3 extracts decreased substantially the infectivity of feline calicivirus and murine norovirus. These results show the potential of P. oceanica waste biomass for the production of bioactive extracts.
Description© 2019 by the authors.
Publisher version (URL)https://doi.org/10.3390/md17070409
Appears in Collections:(IATA) Artículos
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