In this study, we collected some water samples to assess the environmental impacts on the biota existed in red sea cost. On the other hand, gcms analysis of the volatile constituents of. Hydroclathrus clathratus a brown alga as green corrosion. Hydroclathrus clathratus as antidamaging agent against lung injury in male albino rats. Florabase is produced by the staff of the western australian herbarium, biodiversity and conservation science, department of biodiversity, conservation and attractions. 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. Hydroclathrus clathratus as antidamaging agent against lung. This figure is comprised of 178 species of red algae rhodophyta, 50 species of brown algae phaeophyta and 32 species of green algae chlorophyta. Clathria thalysias reinwardti vosmaer, 1880 fr embranchement. Summary representatives of the two current species of hydroclathrus, hydroclathrus clathratus c. The valid species currently considered to belong to this genus are. Chemical constituents commonly isolated from this seaweed are the polysaccharides h3a1 and h3b1, which have antiviral and anticancer properties 20.
Sin tsai min and wang luan keng, a photographic guide to the marine algae of singapore, 2015. Eucheuma denticulatum, valonia aegagropela, hydroclathrus clathratus, spyridia filamentosa, chaetomorpha crassa, caulerpa. Life histories of colpomenia sinuosa and hydroclathrus. 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. Ramil abstract antioxidants are important components in the body which play a vital role in eradicating free radicals. Wildlife photographers, nature lovers and bird watchers should visit this place. May 05, 2008 hydroclathrus clathratus was further extracted by diluted acid and alkali and the antiviral effects of the extracts were also detected. 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. Agardh howe scytosiphonales, phaeophyceae from japan. Life histories of colpomenia sinuosa and hydroclathrus clathratus scytosiphonaceae, phaeophyceae in culture.
The sulfated polysaccharides isolated from the brown alga sargassum was found to possess potent free radical scavenging activity and anticancer activity. Seaweeds are sedentary macrophytes growing vastly on rocks and other plants in the inter tidal and sub tidal zone of the marine environment. Biochemical effects of hydroclathrus clathratus on alloxan. 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. Antiviral activity of sulfated polysaccharides carrageenan. Hydroclathrus clathratus phaeophyta, scytosiphonaceae. Antitumourigenic polysaccharides isolated from the brown. Its pores give it the appearance of a wornout dishcloth, with the unevenly sized holes taking the majority of the surface area. Although published descriptions of the virtually pan. Howe, against copperinduced lung injury in male albino rats. Antitumourigenic polysaccharides isolated from padina and hydroclathrus. Aug 04, 2019 the latter is the weakest form of gaia that lovelock has advocated.
Volatile constituents of the brown algae padina pavonia l. 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 m is an ultra light howitzer designed and manufactured by bae systems. K were investigated by weight loss, electrochemical, and surface analysis techniques. Hydroclathrus is a genus of perforate brown alga comprising six species. Hydroclathrus clathratus as antidamaging agent against. Agardh howe is a brown seaweed, appearing as a 610cm yellow brown spongelike clump of very porous, chainlike tissue. 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. The measurements demonstrated that, the habitat was healthy and not. The hawaiian brown macroalgae, hydroclathrus clathratus, sargassum echinocarpum, and colpomenia sinuosa also exhibited relatively high antioxidant activity figure 1. Pdf abstract background the present investigation is designed to evaluate.
Vahl borgesen and the brown alga hydroclathrus clathratus c. Feb 15, 2012 the hawaiian brown macroalgae, hydroclathrus clathratus, sargassum echinocarpum, and colpomenia sinuosa also exhibited relatively high antioxidant activity figure 1. The type species holotype of the genus hydroclathrus is. Biochemical effects of hydroclathrus clathratus on alloxan induced diabetic rats. 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. 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. Dec 01, 2003 summary representatives of the two current species of hydroclathrus, hydroclathrus clathratus c. 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. Hydroclathrus clathratus, brown seaweed, microscopy. The height of the shell varies between 12 mm and 97 mm. On the other hand, galacturonic acid was present as a major component in the free sugar of h. Hydroclathrus clathratus 5, laminaria saccharina 38, and others brown algae 4,5,7. Biochemical and histopathological analysis of hydroclathrus.
Request pdf life history of hydroclathrus clathratus scytosiphonaceae, phaeophyta in the azores hydroclathrus clathratus is a common species on the. Field biology free download as powerpoint presentation. Antioxidant, antiinflammatory and anticancer potential of. Request pdf diversity, phylogeny, and distribution of hydroclathrus scytosiphonaceae, phaeophyceae in. Hydroclathrus clathratus was further extracted by diluted acid and alkali and the antiviral effects of the extracts were also detected. Also, we screened some methanolic extracts of some marine macroalgae on liver cancer cell line. Drugs 2020, 18, 43 2 of 23 and development 27, and so on 28. Pharmacognostic characterization and phytochemical. Hydroclathrus clathratus showed the presence of phytol, free fatty acids and esters of fatty acids.
The cook islands biodiversity database contains detailed information, images, sound and video of over 4000 species from the cook islands. 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. The boat safari on this lake is an amazing opportunity for bird watchers to spot migratory birds and rare birds of nationao descents. The specimen has been submitted to the institute for preservation. Files are available under licenses specified on their description page. A number of antioxidants are found in various dietary sources such as seaweeds. Hydroclathrus clathratus as antidamaging agent against lung injury. In bangladesh commercially important species of seaweeds is. Hydroclathrus clathratus marine alga as a green inhibitor of. The results showed a good impression about jania rubens red algae has lc 50 8. Hydroclathrus clathratus marine alga as a green inhibitor. All structured data from the file and property namespaces is available under the creative commons cc0 license. Distribution, contents, and types of mycosporinelike amino. Photos of perforated brown seaweeds for free download from wildsingapore flickr.
This page was last edited on 22 january 2018, at 08. Antiviral polysaccharides isolated from hong kong brown. 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. Crude extracts of pukpuklo codium repens, balbalulang hydroclathrus clathratus and gamet porphyra suborbiculata rhian jaymar d. This page was last edited on 31 january 2019, at 14. Hydroclathrus clathratus, colpomenia sinuosa and padina mexicana. Oil and alginate content in hydroclathrus clathratus of the st. 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. Marine drugs free fulltext antioxidant activity of. 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. The organoleptic characters observed are given in table. Plants irregularly shaped, thick, often lobed, forming perforated netlike masses, often 1525 cm in diameter exceptionally to 1 m, sometimes spongy or slippery.
Diversity, phylogeny, and distribution of hydroclathrus researchgate. 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. Antiviral activities of extracts from hong kong seaweeds. The stem is brown below, light green above, and unbranched. Hydroclathrus clathratus and hydroclathrus cancellatus on algaebase.
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. Sample preparation the sample was gently rinsed with sterile distilled water. Evidence for the treatment of talarodictyon tilesii as an. The present investigation is designed to evaluate the antioxidant and protective efficacy of the brown alga, hydroclathrus clathratus c.
This moss consists of an erect leafy stem gametophyte about mm. Crude extracts of pukpuklo codium repens balulang abstract. Apr 14, 2020 the present investigation is designed to evaluate the antioxidant and protective efficacy of the brown alga, hydroclathrus clathratus c. Hydroclathrus clathratus aqueous hce extract in alloxan induced dia betic rat by. The inhibition efficiency was found to increase with increase. Hydroclathrus clathratus scientific classification e.
The latter is the weakest form of gaia that lovelock has advocated. Howe and was authenticated by botanical survey of india, southern regional centre, coimbatore, tamilnadu, india. Publication or other use of content on this site is unauthorised unless that use conforms with the statement. Two relatively pure polysaccharides h3a1 and h3b1 had been isolated from the brown seaweed hydroclathrus clathratus. Distribution, contents, and types of mycosporinelike. Findings revealed that the natural antioxidant activity 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. Meanwhile, maas may also possess many physiological functions, including the protection of antitumor activity 29, embryonic and larval development 30. Although the latter two species are often confused with each other, vegetative thalli of h. Pdf hydroclathrus clathratus as antidamaging agent against lung. However, our results could not be directly compared with these. It is distinguished from other hydroclathrus by thalli of unevenly furrowed thin membranes, and angular, blocklike plurangial sori. Hydroclathrus clathratus as antidamaging agent against lung injury in male albino rats reem mohammed alharbi abstract background.
Request pdf hydroclathrus clathratus a brown alga as green corrosion inhibitor hydroclathrus clathratus is a marine brown alga belonging to the family, phaeophyceae. 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. Hydroclathrus clathratu s is a brown marine seaweed with anticoagulant activities 19. Life history of hydroclathrus clathratus scytosiphonaceae. Perforated brown seaweeds hydroclathrus on the shores of. 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.
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