Use of orange peel extract for mixotrophic cultivation of Chlorella vulgaris: Increased production of biomass and FAMEs

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Mass cultivation of microalgae is necessary to achieve economically feasible production of microalgal biodiesel, but the high cost of nutrients is a major limitation. In this study, orange peel extract (OPE) was used as an inorganic and organic nutrient source for the cultivation of Chlorella vulgaris OW-01. Chemical composition analysis of the OPE indicated that it contains sufficient nutrients for mixotrophic cultivation of C. vulgaris OW-01. Analysis of biomass and FAME production showed that microalgae grown in OPE medium produced 3.4-times more biomass and 4.5-times more fatty acid methyl esters (FAMEs) than cells cultured in glucose-supplemented BG 11 medium (BG-G). These results suggest that growth of microalgae in an OPE-supplemented medium increases lipid production and that OPE has potential for use in the mass cultivation of microalgae.
Publisher
ELSEVIER SCI LTD
Issue Date
2014-11
Language
English
Article Type
Article
Keywords

MICROALGAE CULTIVATION; OIL ACCUMULATION; WASTE-WATER; BIODIESEL PRODUCTION; LIGHT-INTENSITY; GROWTH; CULTURE; COST; FERMENTATION; EFFLUENT

Citation

BIORESOURCE TECHNOLOGY, v.171, pp.343 - 349

ISSN
0960-8524
DOI
10.1016/j.biortech.2014.08.109
URI
http://hdl.handle.net/10203/194493
Appears in Collection
CBE-Journal Papers(저널논문)
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