Results 121 to 130 of about 1,247 (166)

Interactions between gut commensal bacteria and polysaccharides derived from algae and legumes: identification of metabolites produced and pathways involved. [PDF]

Curr Res Microb Sci
Biscarrat P, Pepke F, Defois-Fraysse C, Jeaidi A, Hennequet-Antier C, Rué O, Castelli F, Chollet C, Bedu-Ferrari C, Berthon JY, Chaudemanche C, Dreux-Zigha A, Langella P, Cherbuy C.   +13 more
europepmc   +1 more source

Bioactive Sulfated Polysaccharides from Green Algae <i>Codium tomentosum</i> Stackhouse, 1797: Structural Characterization and Therapeutic Potential. [PDF]

Int J Mol Sci
Benhniya B, Karmil FZ, El Maliki S, El Hasbaoui N, Lakhdar F, Marty C, Boutolleau D, Bourgougnon N, Etahiri S.   +8 more
europepmc   +1 more source

Eco-Friendly Extraction of Sustainable and Valorized Value-Added Products From <i>Ulva fasciata</i> Macroalgae: A Holistic Technoeconomic Analysis. [PDF]

Int J Biomater
El-Gendy NS, Shaaban Sadek M, Nassar HN, Mustafa A.   +3 more
europepmc   +1 more source

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Structural characterization of ulvan extracted from Ulva clathrata assisted by an ulvan lyase

Carbohydrate Polymers, 2020
Rhamnan-rich sulfated polysaccharides extracted from green algae (ulvan) constitute potentially useful natural materials for drug development. However, the characterization of their complex structures poses a challenge for their application. In this study, the structure of ulvan extracted from Ulva clathrata was analyzed with the assistance of an ulvan
Yongzhou Chi, Peng Wang, Huashi Guan
exaly   +3 more sources

Ulvan and ulvan/chitosan polyelectrolyte nanofibrous membranes as a potential substrate material for the cultivation of osteoblasts

Carbohydrate Polymers, 2012
A new generation of biomaterials composed of the natural polysaccharides, ulvans extracted from the green seaweed Ulva rigida and chitosan have been investigated. Ulvan, chitosan alone and ulvan/chitosan polyelectrolyte membranes have been synthesised and characterised.
Vassilios Roussis, Christiane Heinemann, Chokri Cherif   +2 more
exaly   +4 more sources

Biochemical characterization of a new ulvan lyase and its applicability in utilization of ulvan and preparation of ulva oligosaccharides

Glycobiology, 2023
Abstract Ulva is globally distributed specie and has a high economic value. Ulvan is one of the main active substances in Ulva, which has a variety of biological properties. Ulvan lyase degrades ulvan through a β-elimination mechanism which cleaves the β-glycosidic bond between Rha3S and GlcA or IdoA.
Chen Li, Tiancheng Tang, Jinju Jiang, Zhong Yao, Benwei Zhu   +4 more
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NMR analysis of the chemical structure of ulvan and of ulvan-boron complex formation

Carbohydrate Polymers, 1998
The NMR spectroscopic analysis of autohydrolysate fragments obtained from the gel-forming water-soluble cell-wall sulphated polysaccharides from the green seaweedUlva sp. allowed the identification of two major repeating units in ulvan. These were the aldobiouronic acids → 4)-β-DGlcpA-(1 → 4)-α-L-Rhap 3-sulphate and → 4)-α-L-IdopA-(l → 4)-α-L-Rhap 3 ...
Marc Lahaye
exaly   +3 more sources

Prebiotic potential of enzymatically produced ulvan oligosaccharides using ulvan lyase of Bacillus subtilis, NIOA181, a macroalgae-associated bacteria

Journal of Applied Microbiology, 2022
Abstract Aims To characterize the polysaccharide hydrolyzing potential of macroalgae-associated bacteria (MABs) for the enzymatic production of oligosaccharides and determining their prebiotic potential.
Cathrine Sumathi Manohar, Nitin S Kadam, Ashok Jagtap   +2 more
exaly   +3 more sources

Are all ulvans equal? A comparative assessment of the chemical and gelling properties of ulvan from blade and filamentous Ulva

Carbohydrate Polymers, 2021
Green seaweeds of the genus Ulva are rich in the bioactive sulfated polysaccharide ulvan. Herein we characterise ulvan from Ulva species collected from the Bay of Plenty, Aotearoa New Zealand. Using standardised procedures, we quantified, characterised, and compared ulvans from blade (U. australis, U. rigida, U. sp. B, and Ulva sp.) and filamentous (U.
Joel T. Kidgell, Susan M. Carnachan, Marie Magnusson, Rebecca J. Lawton, Ian M. Sims, Simon F.R. Hinkley, Rocky de Nys, Christopher R.K. Glasson   +7 more
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Ulvan lyase assisted structural characterization of ulvan from Ulva pertusa and its antiviral activity against vesicular stomatitis virus

International Journal of Biological Macromolecules, 2020
Marine green algae are valuable sources of diverse health-promoting bioactive components. Ulvan is suitable for biological applications due to its unique structure and numerous bioactivities. Here, the complex structure of ulvan from Ulva pertusa was analyzed using specific ulvan lyase degradation, MS, and NMR detection.
Yongzhou Chi, Peng Wang, Huashi Guan
exaly   +3 more sources