| Effects of cultivation conditions and media composition on cell growth and lipid productivity of indigenous microalga Chlorella vulgaris ESP-31. | |
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MedLine Citation:
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PMID: 22189073 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The growth and lipid productivity of an isolated microalga Chlorella vulgaris ESP-31 were investigated under different media and cultivation conditions, including phototrophic growth (NaHCO(3) or CO(2), with light), heterotrophic growth (glucose, without light), photoheterotrophic growth (glucose, with light) and mixotrophic growth (glucose and CO(2), with light). C. vulgaris ESP-31 preferred to grow under phototrophic (CO(2)), photoheterotrophic and mixotrophic conditions on nitrogen-rich medium (i.e., Basal medium and Modified Bristol's medium), reaching a biomass concentration of 2-5g/l. The growth on nitrogen-limiting MBL medium resulted in higher lipid accumulation (20-53%) but slower growth rate. Higher lipid content (40-53%) and higher lipid productivity (67-144mg/l/d) were obtained under mixotrophic cultivation with all the culture media used. The fatty acid composition of the microalgal lipid comprises over 60-68% of saturated fatty acids (i.e., palmitic acid (C16:0), stearic acid (C18:0)) and monounsaturated acids (i.e., oleic acid (C18:1)). This lipid composition is suitable for biodiesel production. |
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Authors:
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Kuei-Ling Yeh; Jo-Shu Chang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-2 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier Ltd. |
Affiliation:
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Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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