نتایج جستجو برای: jellyfish
تعداد نتایج: 2096 فیلتر نتایج به سال:
(Pelagia noctiluca) — a well-known summer problem off Spain’s Mediterranean beaches – thriving through the winter. Joseph Maria Gili, leading the survey, said that these animals developed last autumn and will themselves reproduce in the spring in readiness for what is expected to be another massive summer population around Spain’s beaches this year. While measures are now being considered to pr...
Nutritional composition and total collagen content of three commercially important edible jellyfish.
The study aimed to evaluate nutraceutical potential of three commercially significant edible jellyfish species (Acromitus hardenbergi, Rhopilema hispidum and Rhopilema esculentum). The bell and oral arms of these jellyfishes were analyzed for their proximate composition, calorific value, collagen content, amino acid profile, chemical score and elemental constituent. In general, all jellyfish po...
If snake antivenoms are considered orphan drugs, then jellyfish antivenoms are the poorest of the orphans. Despite the diversity, ubiquity and toxicity of the venomous cnidarians, only a single antivenom is available for jellyfish stings worldwide. That antivenom, an ovine whole IgG product, is directed against the ‘box’ jellyfish, Chironex fleckeri, and is manufactured by CSL Limited (Melbourn...
The gonad of jellyfish (RhopilemaesculentumKishinouye), containing high protein content with a rich amino acid composition, is suitable for the preparation of bioactive peptides. Jellyfish gonad was hydrolysed with neutral protease to obtain jellyfish gonad protein hydrolysate (JGPH), which was then purified sequentially by ultrafiltration, gel filtration chromatography, and RP-HPLC. The peptid...
There is a concern that blooms of cnidarians and ctenophores, often referred to as jellyfish, are increasing in frequency and intensity worldwide and that there is a shift from fishto jellyfish-dominated systems. We present an idealized analysis of the competitive relationship between zooplanktivorous jellyfish that is based on a generic model, termed ‘Killing the Winner’ (KtW), for the coexist...
The decomposition of jellyfish after major bloom events results in the release of large amounts of nutrients, which can significantly alter nutrient and oxygen dynamics in the surrounding environment. The response of the ambient bacterial community to decomposing jellyfish biomass was evaluated in two marine ecosystems, the Gulf of Trieste (northern Adriatic Sea) and Big Lake (Mljet Island, sou...
The toxicity of Cnidaria is a subject of concern due to its influence on humans. In particular, jellyfish blooms can highly affect human economical activities, such as bathing, fishery, tourism, etc., as well as the public health. Stinging structures of Cnidaria (nematocysts) produce remarkable effects on human skin, such as erythema, swelling, burning and vesicles, and at times further severe ...
background: cutaneous reactions like pruritus and erythema are common in warm months of the year in bushehr port, persian gulf, iran due to jellyfish envenomation. this study reports isolation of the chrysaora hysoscella nematocysts and evaluating its pharmacological activities during a bloom in 2013. methods: the venom of c. hysoscella captured in jofre area in bushehr port was analyzed. the e...
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