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题名: Increased lipid production of the marine oleaginous microalgae Isochrysis zhangjiangensis (Chrysophyta) by nitrogen supplement
作者: Feng, Dina1, 2;  Chen, Zhaoan1;  Xue, Song1;  Zhang, Wei3, 4
关键词: Lipid biofuel ;  Isochrysis zhangjiangensis ;  Nitrate-repletion ;  Marine microalgae
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2011-06-01
DOI: 10.1016/j.biortech.2011.04.006
卷: 102, 期:12, 页:6710-6716
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Technology
类目[WOS]: Agricultural Engineering ;  Biotechnology & Applied Microbiology ;  Energy & Fuels
研究领域[WOS]: Agriculture ;  Biotechnology & Applied Microbiology ;  Energy & Fuels
英文摘要: Effects of nitrate feeding on the cell growth and lipid accumulation of marine microalgae Isochrysis zhangjiangensis were investigated. When nitrate was supplied at interval of 24 h, instead of 72 h, a high lipid content of 40.9% and a biomass density of 3.1 g L-1 were obtained. To confirm whether 1. zhangjiangensis accumulates lipid during nitrogen-repletion, a two-stage cultivation method was applied. This algal strain had a high lipid content during sustained nitrate addition and showed a high carbohydrate content under nitrate-depletion conditions. These results revealed that this algal strain can accumulate lipids under nitrogen-repletion conditions and accumulate carbohydrate under nitrogen-depletion conditions. When cultured in an extremely high nitrate concentration, 9 g L-1 at 24 h intervals, the growth of algal cells was suppressed, but the highest lipid content of 53% was attained. This special characteristic of lipid accumulation makes I. zhangjiangensis an ideal candidate for producing biodiesel using N-rich wastewater. (C) 2011 Elsevier Ltd. All rights reserved.
关键词[WOS]: BIOCHEMICAL-COMPOSITION ;  CHLORELLA-VULGARIS ;  GROWTH-PHASE ;  NANNOCHLOROPSIS-OCULATA ;  ACCUMULATION ;  GALBANA ;  BIODIESEL ;  BIOSYNTHESIS ;  TEMPERATURE ;  DEFICIENCY
语种: 英语
WOS记录号: WOS:000291378800011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142601
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Marine Bioprod Engn Grp, Dalian, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Flinders Univ S Australia, Sch Med, FCMB2, Adelaide, SA 5042, Australia
4.Flinders Univ S Australia, Sch Med, Dept Med Biotechnol, Adelaide, SA 5042, Australia

Recommended Citation:
Feng, Dina,Chen, Zhaoan,Xue, Song,et al. Increased lipid production of the marine oleaginous microalgae Isochrysis zhangjiangensis (Chrysophyta) by nitrogen supplement[J]. BIORESOURCE TECHNOLOGY,2011,102(12):6710-6716.
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