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Growth and biopigment accumulation of cyanobacterium Spirulina platensis at different light intensities and temperature BJM
Kumar,Manoj; Kulshreshtha,Jyoti; Singh,Gajendra Pal.
In order to find out optimum culture condition for algal growth, the effect of light irradiance and temperature on growth rate, biomass composition and pigment production of Spirulina platensis were studied in axenic batch cultures. Growth kinetics of cultures showed a wide range of temperature tolerance from 20 ºC to 40 ºC. Maximum growth rate, cell production with maximum accumulation of chlorophyll and phycobilliproteins were found at temperature 35 ºC and 2,000 lux light intensity. But with further increase in temperature and light intensity, reduction in growth rate was observed. Carotenoid content was found maximum at 3,500 lux. Improvement in the carotenoid content with increase in light intensity is an adaptive mechanism of cyanobacterium...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Spirulina platensis; Growth kinetics; Chlorophyll a; Carotenoid; Phycobiliproteins.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000300034
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Production of phycobiliproteins by Arthrospira platensis under different lightconditions for application in food products Ciênc. Tecnol. Aliment.
Rizzo,Roberta Ferreira; Santos,Beatriz do Nascimento Corrêia dos; Castro,Gabriela Fernandes Pepe da Silva de; Passos,Thaís Souza; Nascimento,Manuela de Abreu; Guerra,Hevelyn Dantas; Silva,Carla Guidone da; Dias,Daiana da Silva; Domingues,Josiane Roberto; Lima-Araújo,Kátia Gomes de.
There has been an increase in investment in research on new sources of natural pigments for food application. Some cyanobacteria can change the structures responsible for light harvesting and cellular processes according to the wavelength and light intensity. This phenomenon has been described as complementary chromatic adaptation. The present study aimed to investigate the growth of Arthrospira platensis using different light qualities, irradiance, and wavelength by evaluating the production of biomass, proteins, and phycobiliproteins. The occurrence of the chromatic adaptation phenomenon in this cyanobacterium was also investigated. The microorganism used in this study, A. platensis, was grown in a Zarrouk medium under three irradiance levels, 50, 100,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Natural pigment; Phycobiliproteins; Phycocyanin; Arthrospira platensis.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612015000200247
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