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Antioxidant and antitumor potential of wild and IMT-Acultivated Osmundea pinnatifida

Journal of Oceanology and Limnology 2019年第3期37卷 825-835页

作者： SILVA J.Paulo ALVES Celso PINTEUS Susete SILVA Joana valado ana PEDROSA Rui PEREIRA Leonel UCIBIO-REQUIMTE Department of ChemistryFaculty of Sciences and TechnologyUniversidade NOVA de LisboaCaparica 2829-516Portugal MARE-Marine and Environmental Sciences Centre School of Tourism and Maritime TechnologyPolytechnic Institute of LeiriaPeniche 2520-641Portugal Instituto Politécnico de Coimbra ESTESC-Coimbra Health SchoolBiomedical Sciences LaboratoryR.5 de OutubroS.Martinho do BispoAp.7006Coimbra 3046-854Portugal Centre of Pharmacology and Chemical Biopathology Faculty of MedicineUniversity of PortoPorto 4200-319Portugal MARE-Marine and Environmental Sciences Centre Department of Life SciencesFaculty of Sciences and TechnologyUniversity of CoimbraCoimbra 3000-456Portugal

Osmundea pinnatifida is a red edible seaweed known as pepper *** was cultivated in the farm of ALGAplus(ílhavo,Portugal).This farm is integrated with a seabream and seabass commercial aquaculture and uses the nutrient-enriched water resultant from the fish production as its cultivation medium in the integrated multi-trophic aquaculture(IMTA)*** and IMTA-cultivated samples of *** da were screened for antioxidant and antitumor *** antioxidant capacity of solvent extracts from wild and IMTA cultivated samples was assessed in two methods(2,2-diphenyl-1-picrylhydrazyl(DPPH)and oxygen radical absorbance capacity(ORAC)),and their total phenolic contents(TPC)were *** activity was evaluated in three different tumor cell lines(HepG-2,MCF-7,and SH-SY5Y)through 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT)*** the solvents used for extraction,dichloromethane was the most eff ective to extract phenolic compounds and presented higher ORAC.A significant correlation was found between TPC and ORAC,which was also sustained by the principal components analysis(PCA).Dichloromethane extracts induced a cytostatic eff ect on MCF-7 cells and showed weak cytotoxicity to SH-SY5Y cells and weak impact on cell ***,there were no statistically signifi cant differences in the biological activities shown by the wild and IMTA-cultivated ***,*** can be obtained in an economical and environmentally sustainable way through IMTA,maintaining bioactive properties in a high potential for further nutraceutical purposes.

关键词： edible seaweed bioactive compounds polyphenols cytotoxic activity antiproliferative activity

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