Ulvan: A Versatile Platform of Biomaterials from Renewable Resources

Chiellini, Emo; Morelli, Andrea

doi:10.5772/24901

Cited by 48 publications

(59 citation statements)

References 67 publications

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“…Mechanical strength of ulvan hydrogel has been improved by carrying out photopolymersiation using large excess of methacrylic anhydride in presence of cytocompatible photoinitiator and exposing to UV radiation for short duration thereby yielding ulvan methacrylate macromer. The hydrogel demonstrated good degree of swelling in phosphate buffered saline, good stability and excellent mechanical properties (Chiellini and Morelli, 2011).…”

Section: Pharmaceutical Uses Of Polysaccharidesmentioning

confidence: 99%

“…Chemical composition of the sulfated polysaccharides obtained from various families of marine algae is speciesspecific, depends on their ecophysiological origin and differs in the degree and distribution of the sulfate groups (Chiellini and Morelli, 2011). The soluble fibers found in abundance in brown seaweeds are alginates, fucans and laminarins.…”

Section: Characteristics Of Sulfated Polysaccharidesmentioning

confidence: 99%

“…Composition of Ulva-derived sulfated heteropolysaccharide depends on taxonomic origin, growth conditions, period of collection and post-collection treatment (Chiellini and Morelli, 2011) (Umapoorani et al, 2016). Net charge of the polysaccharide solution is governed by the pH and ionic strength of the medium in which it is dissolved.…”

Section: Characteristics Of Sulfated Polysaccharidesmentioning

confidence: 99%

“…Conformation change from ordered state to disordered structure occurs only at a critical charge density. Aqueous solution of ulvan displays low intrinsic viscosity (18-100 cps) attributed to the formation of necklace-type ultrastructure (Chiellini and Morelli, 2011;Cunha and Grenha, 2016).…”

Section: Characteristics Of Sulfated Polysaccharidesmentioning

confidence: 99%

“…It can be used as a chelating agent owing to its ability to form complexes with metal ions and can prove beneficial in treatment of metal poisoning. Ulvan, isolated from U. lactuca, exhibited antimitotic activity during investigation on Allium cepa meristematic root tip whereas that from Ulvan rigida has demonstrated immunomodulatory activity on murine macrophages (Chiellini and Morelli, 2011;Cardoso et al, 2016;Umapoorani et al, 2016).…”

Section: Activities Of Sulfated Polysaccharides and Exopolysaccharidementioning

confidence: 99%

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Pharmacological, pharmaceutical, cosmetic and diagnostic applications of sulfated polysaccharides from marine algae and bacteria

Majee¹,

Avlani²,

Biswas³

2017

Afr. J. Pharm. Pharmacol.

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Marine environment with rich biodiversity offer unlimited choice for novel biopolymers. Sulfated polysaccharides isolated from marine algae and bacteria constitute an important group in the marinederived biomolecules and biopolymers. They possess unique structural features which can be exploited to their fullest potential in the development of new therapeutic molecules, design of nanocarriers and stimuli-responsive drug delivery systems, development of anti-aging and moisturizing creams and as molecular probes in diagnosis of cancers and cardiovascular diseases. The aim of the present review is to highlight the sources, characteristics and applications of sulfated polysaccharides and exopolysaccharides isolated from marine algae, cyanobacteria, extremophilic and halophilic bacteria. Detailed description of physicochemical properties and versatile applications of ulvan, fucoidan, galactofucan sulfate, laminarin, mauran, cyanobacterial exopolysaccharides and other lesser known exopolysaccharides of marine bacterial origin has been provided. In a nutshell, it can be concluded that sustainable exploitation of the renewable, diverse library of these unique and novel sulfated polysaccharides will unravel newer possibilities in future and will enrich the existing arsenal of biopolymers.

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Section: Pharmaceutical Uses Of Polysaccharidesmentioning

confidence: 99%

Section: Characteristics Of Sulfated Polysaccharidesmentioning

confidence: 99%

Section: Characteristics Of Sulfated Polysaccharidesmentioning

confidence: 99%

Section: Characteristics Of Sulfated Polysaccharidesmentioning

confidence: 99%

Section: Activities Of Sulfated Polysaccharides and Exopolysaccharidementioning

confidence: 99%

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