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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Nov 2015, 36 (6)                                                                                                             Back



nstantaneous and historical temperature effects on a-pinene

Impact of natural light on growth and biopigment profile of cyanobacteria Spirulina platensis

 

Gaurav Sharma1, Manoj Kumar2, Mohammad Irfan Ali1, Suman Saran1 and Nakuleshwar Dut Jasuja1*

1School of Sciences, Suresh Gyan Vihar University, Jaipur-302017, Rajasthan, India

2Marine Biotechnology Laboratory, Department of Botany, University of Delhi, North Campus, Delhi- 110007, India

*Corresponding Author E-mail: nakuljasuja@gmail.com

 

Publication Data

Paper received:

14 April 2014

 

Revised received:

26 November 2014

 

Re-revised received:

13 January 2015

 

Accepted:

20 March 2015

 

Abstract

Cyanobacteria are economically important microorganisms and good source of natural pigments such as chlorophyll, carotenoids and phycobilliproteins. The present research work showed the optimum combination of photophase and scotophase of Spirulina platensis on biomass and chlorophyll-a, carotenoids, phycocyanin, allophycocyanin, and phycoerythrin contents. The study revealed that among all six light conditions tested, the cultures placed at west facing window, receiving natural day light at temperature 30?C showed extremely significant higher biomass (O.D. 3.46?0.17%) and biopigment accumulation Chlorophyll a 8.94?0.43%, Carotenoid 1.62?0.18%, phycocyanin 2.26?0.14%, allophycocyanin 2.66?0.18% and phycoerythrin 1.32?0.31% as compared to the standard (Full day natural light), which might be beneficial for large scale production of biopigment. ?????  

 

 

 Key words

Carotenoids, Chlorophyll-a, Light condition, Phycobilliproteins, Spirulina platensis 

 

 

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