نتایج جستجو برای: Arthrospir platensis
تعداد نتایج: 1576 فیلتر نتایج به سال:
This study evaluated the effects of diets containing 0, 2.5, 5, 7.5 and 10% Arthrospir platensis on skin pigmentation, growth performance, and digestive enzymes of (Koi, Cyprinus carpio). A completely randomized experimental design was developed with five treatments and three replicates. One hundred and fifty koi fish with average initial weight of 30±1g were assigned to fifteen experimental ta...
This study evaluated the effects of diets containing 0, 2.5, 5, 7.5 and 10% Arthrospir platensis on skin pigmentation, growth performance, and digestive enzymes of koi, Cyprinus carpio. A completely randomized design was performed with five treatments and three replicates. One hundred and fifty koi fish with average initial weight of 30±1g were assigned to fifteen experimental tanks. The experi...
Arthrospira platensis is a multi-cellular and filamentous non-N2-fixing cyanobacterium that is capable of performing oxygenic photosynthesis. In this study, we determined the nearly complete genome sequence of A. platensis YZ. A. platensis YZ genome is a single, circular chromosome of 6.62 Mb in size. Phylogenetic and comparative genomic analyses revealed that A. platensis YZ was more closely r...
Mangueira Lagoon, located in the extreme south of Brazil, has water with physicochemical characteristics such as alkaline pH and carbonate levels propitious for the growth of the cyanobacterium Spirulina platensis. Previously published studies have shown that Mangueira Lagoon water supplemented with small quantities of carbon and nitrogen is suitable for S. platensis cultivation and can signifi...
Spirulina platensis is one of the most potential sources of natural nutrition. The present study was aimed to optimize the parameters like nitrogen sources, pH, temperature and light intensity for increasing the production of Spirulina platensis biomass (dry weight), protein, lipid and chlorophyll-a in seawater medium. The production of Spirulina platensis was optimized in terms of biomass and ...
Immunomodulatory effect of dietary Spirulina platensis in type II collagen induced arthritis in rats
Spirulina platensis, a filamentous, multicellular microalga, is grown in certain countries as food for human and animal consumption. It is also used to derive additives in pharmaceuticals and foods. The present study was undertaken to examine the immunomodulatory effect of S. platensis in collagen induced arthritis (CIA) in rats. From the zero day of induction of arthritis, S. platensis (200 an...
The cultivation of photosynthetic microorganisms such as the cyanobacterium Spirulina platensis has been studied by researchers in many countries because these organisms can produce products with industrial potential. We studied the specific growth rate (μx, day) and productivity (Px, in mg/L/day of Spirulina platensis biomass, dry weight basis) of two S. platensis strains (LEB-52 and Paracas) ...
Spirulina platensis is a blue-green alga used as a dietary supplement because of its hypocholesterolemic properties. Among other bioactive substances, it is also rich in tetrapyrrolic compounds closely related to bilirubin molecule, a potent antioxidant and anti-proliferative agent. The aim of our study was to evaluate possible anticancer effects of S. platensis and S. platensis-derived tetrapy...
The cyanobacterium Spirulina platensis is an attractive alternative source of the pigment chlorophyll, which is used as a natural color in food, cosmetic, and pharmaceutical products. In the present investigation, the influence of light intensity and pH for Spirulina platensis growth, protein and chl a content were examined. In the present investigation the production of Spirulina platensis was...
Background The cyanobacterium Arthrospira platensis shows promise as a carbohydrate feedstock for biofuel production. The glycogen accumulated in A. platensis can be extracted by lysozyme-degrading the peptidoglycan layer of the bacterial cell walls. The extracted glycogen can be converted to ethanol through hydrolysis by amylolytic enzymes and fermentation by the yeast Saccharomyces cerevisiae...
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