期刊
BIORESOURCE TECHNOLOGY
卷 227, 期 -, 页码 404-407出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.12.093
关键词
Nannochloropsis; Ammonium; Acetate; Detoxification
资金
- National Natural Science Foundation of China [21276099, 41301318, 41473072]
- Specialized Research Found for the Doctoral Program of Higher Education of China [20120172120045]
- Fundamental Research Funds for the Central Universities [2015ZM171]
In this study, the toxicity of ammonium was removed in the microalga Nannochloropsis oculata by using acetate as a carbon source. Algal biomass and lipid production were significantly enhanced when N. oculata was grew on 0.5-50 mM of ammonium and 16-64 mM of acetate in mixotrophic conditions. When grown mixotrophically on 1 mM of ammonium and 32 mM of acetate, the biomass and lipid production reached 543 mg/L and 279 mg/L respectively, which were 1.5 and 9.4 times higher than the levels generated when grown autotrophically on nitrate. This suggests that mixotrophic growth with acetate can be a useful method to enhance microalgal lipid production. (C) 2016 Elsevier Ltd. All rights reserved.
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