期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 186, 期 -, 页码 994-1002出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.06.182
关键词
Fucoidan; Laminarin; Weight fractionation; Brown macroalgae; Antimicrobial properties; Anticancer properties
资金
- Horizon 2020 research and innovation programme (ERA-Net SUSFOOD2) [BIOCARB-4-FOOD]
- TU Dublin Fiosraigh Scholarship
- Spanish Ministry of Science, Innovation and Universities [IJC2018-035523-I]
- Science Foundation Ireland
- European Regional Development Fund [16/RC/3889]
The study investigated the antimicrobial and anticancer properties of a fucoidan extract and fractions from Fucus vesiculosus. The fractions showed inhibitory effects on the growth of various bacteria, and the 300 kDa fraction displayed low IC50 values against brain glioblastoma cancer cells. Further research is needed to explore the mechanisms of action.
The objective of this study was to investigate the antimicrobial and anticancer properties of a fucoidan extract and subsequent fractions isolated from the macroalgae Fucus vesiculosus. The fractions obtained ( 10 kDa) could inhibit the growth of B. subtilis, E. coli, L. innocua and P. fluorescens when assayed at concentrations between 12,500 and 25,000 ppm. The bacterial growth was monitored by optical density (OD) measurements (600 nm, 24 h) at 30 degrees C or 37 degrees C, depending upon on the strain used. The extracted fractions were also tested for cytotoxicity against brain glioblastoma cancer cells using the Alamar Blue assay for 24 h, 48 h and 6 days. The 300 kDa fraction presented the lowest IC50 values (0.052% 24 h; 0.032% - 6 days). The potential bioactivity of fucoidan as an antimicrobial and anticancer agent was demonstrated in this study. Hence, the related mechanisms of action should be explored in a near future.
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