They were characterized by hplc, ultraviolet scanning, gas chromatography, infrared spectroscopy and elemental analysis, and shown to be two different sulfated polysaccharides with different monosaccharide content, but both with high relative molecular. Natural antioxidants, found in many algae, are important bioactive compounds that play an important role against various diseases and ageing processes through protection of cells from. Clathria thalysias reinwardti vosmaer, 1880 fr embranchement. Seaweeds are sedentary macrophytes growing vastly on rocks and other plants in the inter tidal and sub tidal zone of the marine environment. This page was last edited on 22 january 2018, at 08. Hydroclathrus clathratus marine alga as a green inhibitor of. Boreotrophon clathratus, common name the clathrate trophon, is a species of sea snail, a marine gastropod mollusk in the family muricidae, the murex snails or rock snails. Dec 01, 2003 summary representatives of the two current species of hydroclathrus, hydroclathrus clathratus c. Although the latter two species are often confused with each other, vegetative thalli of h.
The measurements demonstrated that, the habitat was healthy and not. Agardh howe is a brown seaweed, appearing as a 610cm yellow brown spongelike clump of very porous, chainlike tissue. Although published descriptions of the virtually pan. Hydroclathrus clathratus was further extracted by diluted acid and alkali and the antiviral effects of the extracts were also detected. Sample preparation the sample was gently rinsed with sterile distilled water.
This figure is comprised of 178 species of red algae rhodophyta, 50 species of brown algae phaeophyta and 32 species of green algae chlorophyta. Files are available under licenses specified on their description page. Hydroclathrus clathratus showed the presence of phytol, free fatty acids and esters of fatty acids. Antiviral activity of sulfated polysaccharides carrageenan. The present study was carried out on 24 adult male albino rats, they were randomly divided into four groups n 6 a group, control rats. Hydroclathrus clathratus a brown alga as green corrosion. Pharmacognostic characterization and phytochemical. Diversity, phylogeny, and distribution of hydroclathrus researchgate. Biochemical effects of hydroclathrus clathratus on alloxan. Ramil abstract antioxidants are important components in the body which play a vital role in eradicating free radicals. Life histories of colpomenia sinuosa and hydroclathrus. Marine drugs free fulltext antioxidant activity of. Antitumourigenic polysaccharides isolated from the brown. The stem is brown below, light green above, and unbranched.
Its pores give it the appearance of a wornout dishcloth, with the unevenly sized holes taking the majority of the surface area. Antiviral polysaccharides isolated from hong kong brown. Meanwhile, maas may also possess many physiological functions, including the protection of antitumor activity 29, embryonic and larval development 30. Eucheuma denticulatum, valonia aegagropela, hydroclathrus clathratus, spyridia filamentosa, chaetomorpha crassa, caulerpa. The inhibition efficiency was found to increase with increase.
Agardh howe scytosiphonales, phaeophyceae from japan. Drugs 2020, 18, 43 2 of 23 and development 27, and so on 28. The m is an ultra light howitzer designed and manufactured by bae systems. Hydroclathrus is a genus of perforate brown alga comprising six species. The latter is the weakest form of gaia that lovelock has advocated. Wildlife photographers, nature lovers and bird watchers should visit this place. In bangladesh commercially important species of seaweeds is. Hydroclathrus clathratus 5, laminaria saccharina 38, and others brown algae 4,5,7. Hydroclathrus clathratus as antidamaging agent against. Florabase is produced by the staff of the western australian herbarium, biodiversity and conservation science, department of biodiversity, conservation and attractions. Hydroclathrus clathratus phaeophyta, scytosiphonaceae. Antioxidant, antiinflammatory and anticancer potential of. Feb 15, 2012 the hawaiian brown macroalgae, hydroclathrus clathratus, sargassum echinocarpum, and colpomenia sinuosa also exhibited relatively high antioxidant activity figure 1. Crude extracts of pukpuklo codium repens, balbalulang hydroclathrus clathratus and gamet porphyra suborbiculata rhian jaymar d.
Oil and alginate content in hydroclathrus clathratus of. Hydroclathrus clathratus as antidamaging agent against lung injury. The type species holotype of the genus hydroclathrus is. On the other hand, gcms analysis of the volatile constituents of. The result showed that the hot water extract contained the main carbohydrate components that exhibited the antiviral activities against various strains of hsv, including the acyclovirresistant strain. Life histories of colpomenia sinuosa and hydroclathrus clathratus scytosiphonaceae, phaeophyceae in culture.
In the present study, overcome on liver cancer and other types of cancer by foods that have bioactive chemical components is the most important trend. Oil and alginate content in hydroclathrus clathratus of the st. The boat safari on this lake is an amazing opportunity for bird watchers to spot migratory birds and rare birds of nationao descents. Hydroclathrus clathratus as antidamaging agent against lung. However, our results could not be directly compared with these. Also, we screened some methanolic extracts of some marine macroalgae on liver cancer cell line.
It has been reported that the extract of brown seaweed hydroclathrus clathratus and its purified polysaccharide fractions possess higher growth inhibitory activity against hl60 and mcf7. Hydroclathrus clathratus and hydroclathrus cancellatus on algaebase. Summary representatives of the two current species of hydroclathrus, hydroclathrus clathratus c. Volatile constituents of the brown algae padina pavonia l. The organoleptic characters observed are given in table. The hawaiian brown macroalgae, hydroclathrus clathratus, sargassum echinocarpum, and colpomenia sinuosa also exhibited relatively high antioxidant activity figure 1. Hydroclathrus clathratus as antidamaging agent against lung injury in male albino rats.
Marine algae are known to contain a wide variety of bioactive compounds, many of which have commercial applications in pharmaceutical, medical, cosmetic, nutraceutical, food and agricultural industries. This moss consists of an erect leafy stem gametophyte about mm. Natural antioxidants, found in many algae, are important bioactive compounds that play an important role against various diseases and ageing processes through protection of cells from oxidative. On the other hand, gcms analysis of the volatile constituents of hydroclathrus clathratus showed the presence of phytol, free fatty acids and esters of fatty acids sagami et al. The cook islands biodiversity database contains detailed information, images, sound and video of over 4000 species from the cook islands. Antiviral activities of extracts from hong kong seaweeds. Hydroclathrus clathratus aqueous hce extract in alloxan induced dia betic rat by. Crude extracts of pukpuklo codium repens balulang abstract. Hydroclathrus clathratus, brown seaweed, microscopy. Sin tsai min and wang luan keng, a photographic guide to the marine algae of singapore, 2015. A number of antioxidants are found in various dietary sources such as seaweeds. Howe, against copperinduced lung injury in male albino rats. A new and putatively endemic species of hydroclathrus, hydroclathrus rapanuii, is described from the geographically isolated easter island in the southeastern pacific based on morphological and molecular phylogenetic data.
The sulfated polysaccharides isolated from the brown alga sargassum was found to possess potent free radical scavenging activity and anticancer activity. The specimen has been submitted to the institute for preservation. Antitumourigenic polysaccharides isolated from padina and hydroclathrus. Publication or other use of content on this site is unauthorised unless that use conforms with the statement. Distribution, contents, and types of mycosporinelike. The results showed a good impression about jania rubens red algae has lc 50 8. Pdf abstract background the present investigation is designed to evaluate.
In this study, we collected some water samples to assess the environmental impacts on the biota existed in red sea cost. Request pdf diversity, phylogeny, and distribution of hydroclathrus scytosiphonaceae, phaeophyceae in. The valid species currently considered to belong to this genus are. On the other hand, galacturonic acid was present as a major component in the free sugar of h. The corrosion inhibitive and adsorption behaviors of hydroclathrus clathratus on mild steel in 1 m hcl and 1 m h2so4 solutions at 303, 3 and 323 k were investigated by weight loss, electrochemical, and surface analysis techniques. Evidence for the treatment of talarodictyon tilesii as an.
The red document status indicator indicates that the document is an old version the document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at nbs. Biochemical effects of hydroclathrus clathratus on alloxan induced diabetic rats. Two relatively pure polysaccharides h3a1 and h3b1 had been isolated from the brown seaweed hydroclathrus clathratus. Findings revealed that the natural antioxidant activity of h. Request pdf hydroclathrus clathratus a brown alga as green corrosion inhibitor hydroclathrus clathratus is a marine brown alga belonging to the family, phaeophyceae. Apr 14, 2020 the present investigation is designed to evaluate the antioxidant and protective efficacy of the brown alga, hydroclathrus clathratus c. The height of the shell varies between 12 mm and 97 mm. Hydroclathrus clathratus as antidamaging agent against lung injury in male albino rats reem mohammed alharbi abstract background. The marine waters of the houtman abrolhos, an island chain off the coast of western australia, have been recorded as containing 260 species of benthic algae. This page was last edited on 31 january 2019, at 14.
Vahl borgesen and the brown alga hydroclathrus clathratus c. The present investigation is designed to evaluate the antioxidant and protective efficacy of the brown alga, hydroclathrus clathratus c. And if we could see this whole, as a gipotesis, through a great period of time, we might perceive not only organs with coordinated functions, but possibly also that process of consumption as replacement which in biology we call metabolism, or growth. Plants irregularly shaped, thick, often lobed, forming perforated netlike masses, often 1525 cm in diameter exceptionally to 1 m, sometimes spongy or slippery. Howe and was authenticated by botanical survey of india, southern regional centre, coimbatore, tamilnadu, india.
May 05, 2008 hydroclathrus clathratus was further extracted by diluted acid and alkali and the antiviral effects of the extracts were also detected. Thallus medium to dark brown, 5102535 cm across and 315 cm high, at first globular to pulvinate, hollow, and soon becoming clathrate, when larger becoming irregularly lobed and often torn with an expanded, clathrate, membrane. K were investigated by weight loss, electrochemical, and surface analysis techniques. Pdf hydroclathrus clathratus as antidamaging agent against lung. Perforated brown seaweeds hydroclathrus on the shores of. Hydroclathrus clathratus scientific classification e. Life history of hydroclathrus clathratus scytosiphonaceae. Biochemical and histopathological analysis of hydroclathrus. Aug 04, 2019 the latter is the weakest form of gaia that lovelock has advocated.
Request pdf life history of hydroclathrus clathratus scytosiphonaceae, phaeophyta in the azores hydroclathrus clathratus is a common species on the. They were characterized by hplc, ultraviolet scanning, gas chromatography, infrared spectroscopy and elemental analysis, and shown to be two different sulfated polysaccharides with different monosaccharide content, but both with high relative molecular mass. Hydroclathrus clathratu s is a brown marine seaweed with anticoagulant activities 19. Agardh howe the generitype and hydroclathrus tenuis tseng et lu, are compared to recent collections of the genus from isolated localities in the central and south pacific. Distribution, contents, and types of mycosporinelike amino. Chemical constituents commonly isolated from this seaweed are the polysaccharides h3a1 and h3b1, which have antiviral and anticancer properties 20. Hydroclathrus clathratus marine alga as a green inhibitor. Photos of perforated brown seaweeds for free download from wildsingapore flickr. All structured data from the file and property namespaces is available under the creative commons cc0 license. Hydroclathrus clathratus, colpomenia sinuosa and padina mexicana. It is distinguished from other hydroclathrus by thalli of unevenly furrowed thin membranes, and angular, blocklike plurangial sori.
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