Lipid and unsaturated fatty acid productions from three microalgae using nitrate and light-emitting diodes with complementary LED wavelength in a two-phase culture system. Conventional liquid suspended cultivation in ponds and photobioreactors show its disadvantages in lower cultivation efficiency and higher stirring power consumption due to the high viscosity of the medium by the accumulation of polysaccharides. Porphyridium cruentum was cultured with modified F/2 medium in 14-L photo-bioreactors … The microalga Porphyridium sp. Porphyridium purpureum SCS-02 was cultured in ASW culture medium with low nitrogen supply (LN, 3.5 mM), medium nitrogen supply (MN, 5.9 mM) or high nitrogen supply (HN, 17.6 mM). This study examined the growth and lipid production of the microalgae Porphyridium (P.) cruentum grown in swine wastewater (ultra-filtered and raw) as compared with control media (L−1, modified f/2) at two different salt concentrations (seawater and saltwater). 30 0 obj <>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>> <>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Type/Page>> Traductions en contexte de "porphyridium" en anglais-français avec Reverso Context : recovery and purification of b-phycoerythrin produced by porphyridium cruentum using two-aqueous-phase systems and isoelectric precipitation microalgal culture is a key procedure in fish hatcheries. The Korean Society for Microbiology and Biotechnology. Journal of Aquaculture and Fish Health Vol. Search for more papers by this author. (Rhodophyta) is a potential source for several products like fatty acids, lipids, cell-wall polysaccharides and pigments. <>stream 21 0 obj This site needs JavaScript to work properly. The microalga Porphyridium cruentum (Rhodophyta) has several industrial and pharmaceutical uses, especially for its polysaccharide production. NIH Porphyridium : La souche porphyridium cruentum est très riche en Omega 3, Omega 6, et en bêta-carotène. Optimization of light intensity and photoperiod for Isochrysis galbana culture to improve the biomass and lipid production using 14-L photobioreactors with mixed light emitting diodes (LEDs) wavelength under two-phase culture system. Algae Research Supply. | The maximum biomass concentration of 0.91 g dcw/L was obtained with an aeration rate of 0.75 vvm, a light intensity of 300 μmol m-2 s-1, and a photoperiod of 24:0 h. The maximum lipid production of 51.8% (w/w) was obtained with a light intensity of 400 μmol m-2 s-1 and a photoperiod of 18:6 h. Additionally, the eicosapentaenoic acid and unsaturated fatty acid contents reached 30.6% to 56.2% at pH 6.0. [44 0 R] <>stream S. Kathiresan. L’algue marine Porphyridium cruentum synthétise des polysaccharides comme bouclier protecteur. Taille : 20μm. This study aims to obtain the best culture density of P. cruentum, the active component … The antibiotics used were %PDF-1.4 %���� Experimental data are used to verify the model for continuous outdoor culture of Porphyridium cruentum grown in a 200-L reactor with 100-m long tubular solar receiver. Porphyridium cruentum was cultured with modified F/2 medium in 14-L photo-bioreactors using a two-phase culture system, in which the green (520 nm) and red (625 nm) light-emitting diodes (LEDs) were used during the first and second phases for biomass production and lipid production, respectively. Pour cultiver Porphyridium cruentum microalgues d'eau de mer il vous faudra: Du matériel: Récipient de culture, tubage, pompe à air; Source de lumière: Néon, Led ou la lumière naturelle (la meilleure) Il faut un milieu de culture: eau salée 30g/l de sel, milieu nutritif. Porphyridium cruentum, alimentation zooplancton (copépodes, rotifères...). It excretes secondary metabolites in the form of extracellular polysaccharides (EPS), potentially as antibacterial, antihyperglycemic, and immunostimulant components. En utilisant les techniques d'isolement et de culture d?riv?es de la bact?riologie, nous avons r?ussi ? Kim HM(1), Oh CH(2), Bae HJ(3). Algae Research Supply: Algae Culture Porphyridium cruentum. This study aimed to investigate the influence of nitrogen levels as reflected by altered N:P ratios on the production and content of biomass and carbohydrate. ... U58680 Porphyridium cruentum light-harvesting complex I polypeptide (Lhca2) mRNA, complete cds. Ridium® est un produit naturel, unique dans le monde de la cosmétique. The goal of this study is About the Algae: The microalga Porphyridium sp. The eicosapentaenoic acid content was increased by pH optimization. Applications à l'étude de la plasticité métabolique de Porphyridium cruentum Naegeli et Haematococcus pluvialis Flotow. Corresponding Author. Culture media optimization for growth and phycoerythrin production from Porphyridium purpureum. Kim SH, Sunwoo IY, Hong HJ, Awah CC, Jeong GT, Kim SK. began to be developed as an anticancer, anti-inflammatory, antibacterial, antifungal, and production of biogas and biodiesel so that necessary to carry out culture activities for ensure continuity of Porphyridium sp. is a potential source for several products like fatty acids, lipids, cell-wall polysaccharides and pigments . HHS De couleur rouge, cette micro-algue d’eau douce est capable de réduire les rougeurs liées à l’inflammation cutanée. In this study, the culture conditions for Porphyridium cruentum were optimized to obtain the maximum biomass and lipid productions. In this study, the culture conditions for Porphyridium cruentum were optimized to obtain the maximum biomass and lipid productions. endobj Unless free of bacteria, stock cultures in the form of stationary batch Conventional liquid suspended cultivation in ponds and photobioreactors show its disadvantages in lower cultivation efficiency and higher stirring power consumption due to the high viscosity of the medium by the accumulation of polysaccharides. Author information: (1)Bio-Energy Research Center, Chonnam National University, Gwangju 61186, Republic of Korea. 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