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Molasses-based growth and production of oil and astaxanthin by Chlorella zofingiensis
Liu, Jin1; Huang, Junchao1,3; Jiang, Yue2; Chen, Feng4
Corresponding AuthorHuang, JC (reprint author), Univ Hong Kong, Sch Biol Sci, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China, huangjc@hku.hk ; sfchencoe@pku.edu.cn
2012-03-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume107Pages:393-398
AbstractThe 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.
KeywordAstaxanthin Biodiesel Chlorella Zofingiensis Fatty Acid Cane Molasses
Subject AreaAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
DOI10.1016/j.biortech.2011.12.047
Indexed BySCI
Language英语
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000301620600055
Citation statistics
Cited Times:60[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/10499
Collection资源植物与生物技术所级重点实验室
Affiliation1.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
GB/T 7714
Liu, Jin,Huang, Junchao,Jiang, Yue,et al. Molasses-based growth and production of oil and astaxanthin by Chlorella zofingiensis[J]. BIORESOURCE TECHNOLOGY,2012,107:393-398.
APA Liu, Jin,Huang, Junchao,Jiang, Yue,&Chen, Feng.(2012).Molasses-based growth and production of oil and astaxanthin by Chlorella zofingiensis.BIORESOURCE TECHNOLOGY,107,393-398.
MLA Liu, Jin,et al."Molasses-based growth and production of oil and astaxanthin by Chlorella zofingiensis".BIORESOURCE TECHNOLOGY 107(2012):393-398.
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