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Academic literature on the topic 'Fucus virsoides'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Fucus virsoides"

1

Falsone, G., F. Cateni, E. Vrech, L. Birkofer, V. Lucchini, H. Wagner, O. Seligmann, and L. Coassini Lokar. "Triacylglycerols, Fucosterol, Diacylglyceroglycolipids and Fucoxanthin from Fucus virsoides." Zeitschrift für Naturforschung B 49, no. 9 (September 1, 1994): 1297–304. http://dx.doi.org/10.1515/znb-1994-0923.

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From the marine brown macroalga Fucus virsoides J. AG. (Fucales, Phaeophyceae), a mixture of triacylglycerols 1 -3, fucosterol 4, a mixture of galactosyldiacylglycerols 5-8 and fucoxanthin 9 have been isolated. Normal phase column flash chromatography was effective for the isolation of the marine compounds. FAB-MS, CI-MS spectrometry, 1H NMR, 13C NMR, 1H-1H COSY and 1H-13C COSY experiments were useful in providing informations for their structure elucidation
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2

Dobrinčić, Ana, Sandra Pedisić, Zoran Zorić, Mladenka Jurin, Marin Roje, Rozelindra Čož-Rakovac, and Verica Dragović-Uzelac. "Microwave Assisted Extraction and Pressurized Liquid Extraction of Sulfated Polysaccharides from Fucus virsoides and Cystoseira barbata." Foods 10, no. 7 (June 25, 2021): 1481. http://dx.doi.org/10.3390/foods10071481.

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Sulfated polysaccharide fucoidan isolated from brown algae shows a wide range of biological activities that are significantly dependent on its chemical composition, which is closely related to the applied technique and extraction parameters. Therefore, the objective of this study was to evaluate the influence of microwave assisted extraction (MAE) and pressurized liquid extraction (PLE) parameters (solvent, temperature, time, and number of cycles) on the Fucus virsoides and Cystoseira barbata polysaccharide yield (%PS) and chemical composition (total sugar, fucose, and sulfate group). The optimal MAE parameters that resulted in the highest polysaccharide extraction from F. virsoides and C. barbata were 0.1 M H2SO4 for 10 min at 80 °C, while the optimal PLE parameters were 0.1 M H2SO4, for two cycles of 15 min at 140 °C. Furthermore, the %PS, chemical structure, molecular properties, and antioxidant activity of the F. virsoides and C. barbata polysaccharide extracts obtained with MAE, PLE, and conventional extraction (CE) performed under previously determinate optimal conditions were compared. PLE resulted in a significantly higher %PS from F. virsoides, while for C. barbata, a similar yield was achieved with CE and PLE, as well as CE and MAE, for both algae. Furthermore, the polysaccharides obtained using PLE had the highest polydispersity index, fucose, and sulfate group content, and the lowest uronic acid content; however their antioxidant activity was lower.
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3

Kapetanovic, Radomir, Dusan Sladic, Simeon Popov, Mario Zlatovic, Zoran Kljajic, and Miroslav Gasic. "Sterol composition of the Adriatic sea algae Ulva lactuca, Codium dichotomum, Cystoseira adriatica and Fucus virsoides." Journal of the Serbian Chemical Society 70, no. 12 (2005): 1395–400. http://dx.doi.org/10.2298/jsc0512395k.

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The sterol composition of two green algae and two brown algae from the South Adriatic was determined. In the green alga Ulva lactuca, the principal sterols were cholesterol and isofucosterol. In the brown alga Cystoseira adriatica, the main sterols were cholesterol and stigmast-5-en-3?-ol, while the characteristic sterol of the brown algae, fucosterol, was found only in low concentration. The sterol fractions of the green alga Codium dichotomum and the brown alga Fucus virsoides contained practically only one sterol each, comprising more than 90 % of the total sterols (clerosterol in the former and fucosterol in the latter).
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4

Falace, Annalisa, Laura Tamburello, Giuseppe Guarnieri, Sara Kaleb, Loredana Papa, and Simonetta Fraschetti. "Effects of a glyphosate-based herbicide on Fucus virsoides (Fucales, Ochrophyta) photosynthetic efficiency." Environmental Pollution 243 (December 2018): 912–18. http://dx.doi.org/10.1016/j.envpol.2018.08.053.

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5

Jerković, Igor, Ana-Marija Cikoš, Sanja Babić, Lara Čižmek, Krunoslav Bojanić, Krunoslav Aladić, Nikolay V. Ul’yanovskii, et al. "Bioprospecting of Less-Polar Constituents from Endemic Brown Macroalga Fucus virsoides J. Agardh from the Adriatic Sea and Targeted Antioxidant Effects In Vitro and In Vivo (Zebrafish Model)." Marine Drugs 19, no. 5 (April 22, 2021): 235. http://dx.doi.org/10.3390/md19050235.

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The endemic brown macroalga Fucus virsoides J. Agardh from the Adriatic Sea was in the focus of the present research. The volatiles of fresh (FrFv) and air-dried (DrFv) samples of F. virsoides obtained by headspace solid-phase microextraction (HS-SPME) and hydrodistillation (HD) were analyzed by gas chromatography equipped with flame ionization detector and mass spectrometry (GC-FID/MS). The major HS-FrFv compound was pentadecane (61.90–71.55%) followed by pentadec-1-ene (11.00–7.98%). In HS-DrFv, pentadec-1-ene was not present, and few lower aliphatic compounds appeared, as well as benzaldehyde and benzyl alcohol. In HD-FrFv, particularly abundant were alkenes (such as pentadec-1-ene (19.32%), or (E)-pentadec-7-ene (8.35%)). In HD-DrFv, more oxidation products were present (e.g., carbonyl compounds such as tridecanal (18.51%)). The fatty acids profile of freeze-dried sample (FdFv) after conversion to methyl esters was determined by GC-FID, and oleic acid was dominant (42.28%), followed by arachidonic acid (15.00%). High-performance liquid chromatography-high-resolution mass spectrometry with electrospray ionization (HPLC-ESI-HRMS) was used for the screening of less polar fractions (F3 and F4) of F. virsoides. Mono- and diglycerides of stearic, palmitic, oleic, and arachidonic acids were found. Terpenoids and steroids comprised the compounds C20H30(32)O2 and C29H48O(2). Among carotenoids, fucoxanthin was identified. Chlorophyll derivatives were also found (C55H74(72)N4O(5-7)), dominated by pheophytin a. The antioxidant activity of the fractions was investigated by in vitro assays (oxygen radical absorbance capacity (ORAC), reduction of radical cation (ABTS•+), 2,2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH) assay, and ferric reducing antioxidant power (FRAP)) and by in vivo zebrafish model (along with fish embryotoxicity). In vitro experiments proved good radical scavenging abilities of F3 and F4 fractions, which were additionally supported by the protective effect against hydrogen peroxide-induced oxidative stress in zebrafish embryos.
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6

Gerdol, Marco, Andrea Visintin, Sara Kaleb, Francesca Spazzali, Alberto Pallavicini, and Annalisa Falace. "Gene expression response of the alga Fucus virsoides (Fucales, Ochrophyta) to glyphosate solution exposure." Environmental Pollution 267 (December 2020): 115483. http://dx.doi.org/10.1016/j.envpol.2020.115483.

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7

Osterc, Andrej, and Vekoslava Stibilj. "127I and 129I/127I isotopic ratio in marine alga Fucus virsoides from the North Adriatic Sea." Journal of Environmental Radioactivity 99, no. 4 (April 2008): 757–65. http://dx.doi.org/10.1016/j.jenvrad.2007.10.004.

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8

Grozdanić, Nađa, Gordana Zdunić, Katarina Šavikin, Ivana Đuričić, Marijana Kosanić, Vesna Mačić, Ivana Matić, and Tatjana Stanojković. "Seasonal variation in biopharmaceutical activity and fatty acid content of endemic Fucus virsoides algae from Adriatic Sea." Acta Poloniae Pharmaceutica - Drug Research 76, no. 5 (October 30, 2019): 833–44. http://dx.doi.org/10.32383/appdr/108920.

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9

Felline, S., L. Del Coco, S. Kaleb, G. Guarnieri, S. Fraschetti, A. Terlizzi, F. P. Fanizzi, and A. Falace. "The response of the algae Fucus virsoides (Fucales, Ochrophyta) to Roundup® solution exposure: A metabolomics approach." Environmental Pollution 254 (November 2019): 112977. http://dx.doi.org/10.1016/j.envpol.2019.112977.

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10

Dobrinčić, Ana, Erika Dobroslavić, Sandra Pedisić, Sandra Balbino, Ivona Elez Garofulić, Rozelindra Čož-Rakovac, and Verica Dragović-Uzelac. "The effectiveness of the Fucus virsoides and Cystoseira barbata fucoidan isolation as a function of applied pre-treatment and extraction conditions." Algal Research 56 (June 2021): 102286. http://dx.doi.org/10.1016/j.algal.2021.102286.

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