期刊
BIORESOURCE TECHNOLOGY
卷 123, 期 -, 页码 528-533出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.07.009
关键词
Microalgae; Botryococcus braunii; Outdoor cultivation; Hydrocarbon; Fatty acids
资金
- Indian Council of Medical Research, New Delhi
- Department of Biotechnology, Government of India, New Delhi
The present study focused on cultivation, seasonal variation in growth, hydrocarbon production, fatty acids profiles of Botryococcus braunii (LB-572 and N-836) in raceway & circular ponds under outdoor conditions. After 18 days of cultivation the biomass yield and hydrocarbon contents were increased in both raceway and circular ponds. The fat content was found to be around 24% (w/w) with palmitic and oleic acids as prominent fatty acids. Hydrocarbons of C-20-C-30 carbon chain length were higher in raceway and circular ponds. Maximum biomass yield (2 g L-1) and hydrocarbon content (28%) were observed in Nov-Dec. In case of B. braunii (N-836) after 25 days of cultivation the biomass yield was 1 g L-1 and hydrocarbon content was 27%. Supplementation of 0.1% NaHCO3 in the medium resulted in biomass yield of 1.5 g L-1 and hydrocarbon content of 30% compared to control. (C) 2012 Elsevier Ltd. All rights reserved.
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