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Characterization of lipid and fatty acids composition of Chlorella zofingiensis in response to nitrogen starvation
Zhu, Shunni; Wang, Yajie; Shang, Changhua; Wang, Zhongming; Xu, Jingliang; Yuan, Zhenhong
2015-08-01
发表期刊JOURNAL OF BIOSCIENCE AND BIOENGINEERING
卷号120期号:2页码:205-209
摘要Cellular biochemical composition of the microalga Chlorella zofingiensis was studied under favorable and nitrogen starvation conditions, with special emphasis on lipid classes and fatty acids distribution. When algal cells were grown in nitrogen-free medium (N stress), the increase in the contents of lipid and carbohydrate while a decrease in protein content was detected. Glycolipids were the major lipid fraction (50.7% of total lipids) under control condition, while neutral lipids increased to be predominant (86.7% of total lipids) under N stress condition. Triacylglycerol (TAG) content in N stressed cells was 27.3% dw, which was over three times higher than that obtained under control condition. Within neutral lipids fraction, monounsaturated fatty acids (MUFA) were the main group (40.6%) upon N stress, in which oleic acid was the most representative fatty acids (34.5%). Contrarily, glycolipids and phospholipids showed a higher percentage of polyunsaturated fatty acids (PUFA). Lipid quality assessment indicated the potential of this alga as a biodiesel feedstock when its neutral lipids were a principal lipid fraction. The results demonstrate that the neutral lipids content is key to determine the suitability of the microalga for biodiesel, and the stress cultivation is essential for lipid quality. (C) 2015, The Society for Biotechnology, Japan. All rights reserved.
文章类型Article
关键词Chlorella Zofingiensis Nitrogen Starvation Lipid Fatty Acids Biodiesel
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j,jbiosc.2014.12.018
研究领域[WOS]Biotechnology & Applied Microbiology ; Food Science & Technology
关键词[WOS]BIODIESEL PRODUCTION ; CHLAMYDOMONAS-REINHARDTII ; BIOCHEMICAL-COMPOSITION ; MICROALGAE STRAINS ; GROWTH-PHASE ; WASTE-WATER ; ACCUMULATION ; TRIACYLGLYCEROL ; FEEDSTOCK ; ASTAXANTHIN
收录类别SCI
语种英语
WOS类目Biotechnology & Applied Microbiology ; Food Science & Technology
WOS记录号WOS:000359874400014
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10852
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
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Zhu, Shunni,Wang, Yajie,Shang, Changhua,et al. Characterization of lipid and fatty acids composition of Chlorella zofingiensis in response to nitrogen starvation[J]. JOURNAL OF BIOSCIENCE AND BIOENGINEERING,2015,120(2):205-209.
APA Zhu, Shunni,Wang, Yajie,Shang, Changhua,Wang, Zhongming,Xu, Jingliang,&Yuan, Zhenhong.(2015).Characterization of lipid and fatty acids composition of Chlorella zofingiensis in response to nitrogen starvation.JOURNAL OF BIOSCIENCE AND BIOENGINEERING,120(2),205-209.
MLA Zhu, Shunni,et al."Characterization of lipid and fatty acids composition of Chlorella zofingiensis in response to nitrogen starvation".JOURNAL OF BIOSCIENCE AND BIOENGINEERING 120.2(2015):205-209.
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