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题名: Molasses-based growth and production of oil and astaxanthin by Chlorella zofingiensis
作者: Liu, Jin1; Huang, Junchao1, 3; Jiang, Yue2; Chen, Feng4
刊名: BIORESOURCE TECHNOLOGY
关键词: Astaxanthin ; Biodiesel ; Chlorella zofingiensis ; Fatty acid ; Cane molasses
英文摘要: The aim of this study is to evaluate the industrial waste cane molasses as a carbon source for cell growth, lipid and astaxanthin production of Chlorella zofingiensis. Pretreated with cation exchange resin to remove the metal ions, cane molasses provided better productivities of biomass, lipid, and astaxanthin (1.55, 0.71 g L-1 day(-1) and 1.7 mg L-1 day(-1), respectively) than glucose. Using a strategy of semi-continuous cultures coupled with feeding at a low concentration, molasses without pretreatment has the same effect as pretreated one on supporting the algal cell growth, lipid and astaxanthin production. The efficient metabolism of molasses triggered the up-regulation of genes involved in fatty acid and also astaxanthin biosynthesis, leading to the very high production of the two metabolites. This study highlights the possibility of using C. zofingiensis to deal with industrial wastes and to produce profitable biodiesel as well as the high-value astaxanthin. (C) 2011 Elsevier Ltd. All rights reserved.
出版日期: 2012-03-01
卷号: 107, 页码:393-398
DOI标识: 10.1016/j.biortech.2011.12.047
语种: 英语
ISSN号: 0960-8524
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/10499
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Univ Hong Kong, Sch Biol Sci, Hong Kong, Hong Kong, Peoples R China
2.Hong Kong Baptist Univ, Dept Biol, Kowloon Tong, Hong Kong, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Beijing 100864, Peoples R China
4.Peking Univ, Coll Engn, Inst Food & Bioresource Engn, Beijing 100871, Peoples R China

Recommended Citation:
Liu, J; Huang, JC; Jiang, Y; Chen, F.Molasses-based growth and production of oil and astaxanthin by Chlorella zofingiensis,BIORESOURCE TECHNOLOGY,2012,107():393-398
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