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题名: Scenedesmus sp NJ-1 isolated from Antarctica: a suitable renewable lipid source for biodiesel production
作者: Chen, Zhuo1; Gong, Yangmin1; Fang, Xiantao1; Hu, Hanhua1
通讯作者: Hu, HH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.
关键词: Antarctica ; Biodiesel ; Lipid ; Scenedesmus ; Triacylglycerols
刊名: WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
发表日期: 2012-11-01
DOI: 10.1007/s11274-012-1132-0
卷: 28, 期:11, 页:3219-3225
收录类别: SCI
文章类型: Article
部门归属: [Chen, Zhuo; Gong, Yangmin; Fang, Xiantao; Hu, Hanhua] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Key Basic Research Project of China [2011CB200901]; National Natural Science Foundation of China [40606004]
类目[WOS]: Biotechnology & Applied Microbiology
研究领域[WOS]: Biotechnology & Applied Microbiology
摘要: Microalgal lipids are promising alternative feedstocks for biodiesel production. Scenedesmus sp. NJ-1, an oil-rich freshwater microalga isolated from Antarctica, was identified to be a suitable candidate to produce biodiesel in this study. This strain could grow at temperatures ranging from 4 to 35 A degrees C. With regular decrease in nitrate concentration in the medium, large quantities of triacylglycerols accumulated under batch culture conditions detected by thin layer chromatography and BODIPY 505/515 fluorescent staining. Scenedesmus sp. NJ-1 achieved the average biomass productivity of 0.105 g l(-1) d(-1) (dry weight) and nearly the highest lipid content (35 % of dry cell weight) was reached at day 28 in the batch culture. Neutral lipids accounted for 78 % of total lipids, and C18:1 (n-9), C16:0 were the major fatty acids in total lipids, composing 37 and 20 % of total fatty acids of Scenedesmus sp. NJ-1 grown for 36 days, respectively. These results suggested that Scenedesmus sp. NJ-1 was a good source of microalgal oils for biodiesel production.
英文摘要: Microalgal lipids are promising alternative feedstocks for biodiesel production. Scenedesmus sp. NJ-1, an oil-rich freshwater microalga isolated from Antarctica, was identified to be a suitable candidate to produce biodiesel in this study. This strain could grow at temperatures ranging from 4 to 35 A degrees C. With regular decrease in nitrate concentration in the medium, large quantities of triacylglycerols accumulated under batch culture conditions detected by thin layer chromatography and BODIPY 505/515 fluorescent staining. Scenedesmus sp. NJ-1 achieved the average biomass productivity of 0.105 g l(-1) d(-1) (dry weight) and nearly the highest lipid content (35 % of dry cell weight) was reached at day 28 in the batch culture. Neutral lipids accounted for 78 % of total lipids, and C18:1 (n-9), C16:0 were the major fatty acids in total lipids, composing 37 and 20 % of total fatty acids of Scenedesmus sp. NJ-1 grown for 36 days, respectively. These results suggested that Scenedesmus sp. NJ-1 was a good source of microalgal oils for biodiesel production.
关键词[WOS]: OIL PRODUCTION ; GREEN-ALGAE ; MICROALGA ; GROWTH ; PURIFICATION ; TEMPERATURE
语种: 英语
WOS记录号: WOS:000309684900015
ISSN号: 0959-3993
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/17278
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China

Recommended Citation:
Chen, Zhuo; Gong, Yangmin; Fang, Xiantao; Hu, Hanhua.Scenedesmus sp NJ-1 isolated from Antarctica: a suitable renewable lipid source for biodiesel production,WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY,2012,28(11):3219-3225
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