Antimicrobial effect of a crude sulfated polysaccharide from the red seaweed Gracilaria ornata
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A Sulfated-Polysaccharide Fraction from Seaweed Gracilaria birdiae Prevents Naproxen-Induced Gastrointestinal Damage in Rats
Red seaweeds synthesize a great variety of sulfated galactans. Sulfated polysaccharides (PLSs) from seaweed are comprised of substances with pharmaceutical and biomedical potential. The aim of the present study was to evaluate the protective effect of the PLS fraction extracted from the seaweed Gracilaria birdiae in rats with naproxen-induced gastrointestinal damage. Male Wistar rats were pretr...
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The aim of the present study was to investigate the gastroprotective activity of a sulfated-polysaccharide (PLS) fraction extracted from the marine red algae Gracilaria caudata and the mechanism underlying the gastroprotective activity. Male Swiss mice were treated with PLS (3, 10, 30 and 90 mg·kg(-1), p.o.), and after 30 min, they were administered 50% ethanol (0.5 mL/25 g(-1), p.o.). One hour...
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Angiogenesis is a dynamic proliferation and differentiation process. It requires endothelial proliferation, migration and tube formation. In this context, endothelial cells are a preferred target for several studies and therapies. Anionic polysaccharides (SV1 and PSV1) from brown seaweed Sargassum vulgare were fractionated (SV1), purified (PSV1) and displayed with high total sugars, sulfate con...
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In recent years seaweeds have increasingly attracted interest in the search for new drugs and have been shown to be a primary source of bioactive natural compounds and biomaterials. In the present investigation, the biochemical composition of the red seaweed Gracilaria gracilis, collected seasonally in the Lesina Lagoon (Southern Adriatic Sea, Lesina, Italy), was assayed by means of advanced an...
متن کاملAntinociceptive and anti-inflammatory activities of a sulfated polysaccharide isolated from the green seaweed Caulerpa cupressoides.
BACKGROUND Red and brown algae sulfated polysaccharides (SPs) have been widely investigated as antinociceptive and/or anti-inflammatory agents; however, no description of these biological properties concerning green algae SPs have been reported. Caulerpa curpressoides (Chlorophyta) presents three SPs fractions (Cc-SP1, Cc-SP2, and Cc-SP3). Anticoagulant (in vitro) and anti- and pro-thrombotic (...
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ژورنال
عنوان ژورنال: Brazilian Archives of Biology and Technology
سال: 2012
ISSN: 1516-8913
DOI: 10.1590/s1516-89132012000200001