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Effect of carbon source on growth and lipid accumulation in Chlorella sorokiniana GXNN01
Qiao Hongjin1,2; Wang Guangce1,3
2009-11-01
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号27期号:4页码:762-768
文章类型Article
摘要Heterotrophic culture of microalgae to develop methods of increasing biomass productivity and storage lipids has brought new insight to commercial biodiesel production. To understand the relationship between heterotrophy and lipid production, the effects of carbon sources on the growth and lipid accumulation of Chlorella sorokiniana GXNN01 was studied. The alga exhibited an increased growth rate in response to the addition of carbon sources, which reached the stationary phase after 48 h at 30A degrees C. In addition, glucose and NaAc had a significant effect on the lipid accumulation during the early-stationary phase. Specifically, the lipid content was 0.237 +/- 0.026 g g(-1) cell dry weight and 0.272 +/- 0.041 g L(-1) when glucose was used as the carbon source, whereas the lipid content reached 0.287 +/- 0.018 g g(-1) cell dry weight and 0.288 +/- 0.008 g L(-1) when NaAc was used as the carbon source. The neutral lipid content was found to first decrease and then increase over time during the growth phase. A glucose concentration of 20 mmol L(-1) gave the maximal lipid yield and the optimum harvest time was the early-stationary phase.; Heterotrophic culture of microalgae to develop methods of increasing biomass productivity and storage lipids has brought new insight to commercial biodiesel production. To understand the relationship between heterotrophy and lipid production, the effects of carbon sources on the growth and lipid accumulation of Chlorella sorokiniana GXNN01 was studied. The alga exhibited an increased growth rate in response to the addition of carbon sources, which reached the stationary phase after 48 h at 30A degrees C. In addition, glucose and NaAc had a significant effect on the lipid accumulation during the early-stationary phase. Specifically, the lipid content was 0.237 +/- 0.026 g g(-1) cell dry weight and 0.272 +/- 0.041 g L-1 when glucose was used as the carbon source, whereas the lipid content reached 0.287 +/- 0.018 g g(-1) cell dry weight and 0.288 +/- 0.008 g L-1 when NaAc was used as the carbon source. The neutral lipid content was found to first decrease and then increase over time during the growth phase. A glucose concentration of 20 mmol L-1 gave the maximal lipid yield and the optimum harvest time was the early-stationary phase.
关键词Heterotrophic Microalgae Biodiesel Carbon Source Lipid
学科领域Limnology ; Oceanography
DOI10.1007/s00343-009-9216-x
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000272422300010
引用统计
被引频次:55[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/3002
专题实验海洋生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Tianjin Univ Sci & Technol, Tianjin 300222, Peoples R China
第一作者单位中国科学院海洋研究所
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Qiao Hongjin,Wang Guangce. Effect of carbon source on growth and lipid accumulation in Chlorella sorokiniana GXNN01[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2009,27(4):762-768.
APA Qiao Hongjin,&Wang Guangce.(2009).Effect of carbon source on growth and lipid accumulation in Chlorella sorokiniana GXNN01.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,27(4),762-768.
MLA Qiao Hongjin,et al."Effect of carbon source on growth and lipid accumulation in Chlorella sorokiniana GXNN01".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 27.4(2009):762-768.
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