Lipid production by Rhodosporidium toruloides Y2 in bioethanol wastewater and evaluation of biomass energetic yield
► R. toruloides Y2 was cultured in bioethanol wastewater for lipid production. ► Biomass energetic yield was evaluated by biomass, lipid content and substrate COD. ► A method was chosen to accelerate lipid production and avoid catabolite repression. The oleaginous yeast Rhodosporidium toruloides Y2...
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| Veröffentlicht in: | Bioresource technology 2013-01, Vol.127, p.435-440 |
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| creator | Zhou, Wenwen Wang, Wenrui Li, Yonghong Zhang, Yongkui |
| description | ► R. toruloides Y2 was cultured in bioethanol wastewater for lipid production. ► Biomass energetic yield was evaluated by biomass, lipid content and substrate COD. ► A method was chosen to accelerate lipid production and avoid catabolite repression.
The oleaginous yeast Rhodosporidium toruloides Y2 was employed to remove waste nutrients from bioethanol wastewater while simultaneously producing biomass enriched in microbial lipids. Under optimal conditions, the COD degradation ratio, biomass and lipid content reached 72.3%, 3.8g/l and 34.9%, respectively. For accelerating biomass and lipid accumulation, different feeding strategies of substrate were conducted. The biomass and lipid production increased by 39.5% and 53.8%, respectively, when glucose at 1.2g/(ld) was added during the last three days of the cultivation. An equation was established to estimate biomass energetic yield. Under optimal conditions, the biomass energetic yield was 50.9% and an increase of 26.0% was obtained by feeding glucose at 1.2g/(ld) during the last three days. The fatty acid composition of the lipids was similar to that from plant oils and other microbial lipids, and could thus be used as raw material for feed additives and biodiesel production. |
| doi_str_mv | 10.1016/j.biortech.2012.09.067 |
| format | Article |
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The oleaginous yeast Rhodosporidium toruloides Y2 was employed to remove waste nutrients from bioethanol wastewater while simultaneously producing biomass enriched in microbial lipids. Under optimal conditions, the COD degradation ratio, biomass and lipid content reached 72.3%, 3.8g/l and 34.9%, respectively. For accelerating biomass and lipid accumulation, different feeding strategies of substrate were conducted. The biomass and lipid production increased by 39.5% and 53.8%, respectively, when glucose at 1.2g/(ld) was added during the last three days of the cultivation. An equation was established to estimate biomass energetic yield. Under optimal conditions, the biomass energetic yield was 50.9% and an increase of 26.0% was obtained by feeding glucose at 1.2g/(ld) during the last three days. The fatty acid composition of the lipids was similar to that from plant oils and other microbial lipids, and could thus be used as raw material for feed additives and biodiesel production.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2012.09.067</identifier><identifier>PMID: 23138067</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Basidiomycota - metabolism ; biodiesel ; bioethanol ; Bioethanol wastewater ; Biofuel production ; Biofuels ; Biological and medical sciences ; Biological Oxygen Demand Analysis ; Biomass ; Biomass energetic yield ; biomass production ; Biotechnology ; Biotechnology - methods ; chemical oxygen demand ; Energy ; Energy efficiency ; equations ; Ethanol - analysis ; Exact sciences and technology ; fatty acid composition ; Fatty Acids - metabolism ; feed additives ; Feeding ; Fundamental and applied biological sciences. Psychology ; Glucose ; Hydrogen-Ion Concentration ; Industrial applications and implications. Economical aspects ; lipid content ; Lipids ; Lipids - biosynthesis ; Mathematical analysis ; microbial biomass ; Microbial lipid ; Microorganisms ; Models, Biological ; nutrients ; plant fats and oils ; Pollution ; raw materials ; Rhodosporidium ; Rhodosporidium toruloides ; technology ; Waste Disposal, Fluid - methods ; Waste water ; Waste Water - analysis ; wastewater ; Wastewaters ; Water treatment and pollution ; yeasts</subject><ispartof>Bioresource technology, 2013-01, Vol.127, p.435-440</ispartof><rights>2012 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2012 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c521t-b34bdabd3c0313925d5a014b6f7578b78b4175ab3c22a807a450fac1a16bd59a3</citedby><cites>FETCH-LOGICAL-c521t-b34bdabd3c0313925d5a014b6f7578b78b4175ab3c22a807a450fac1a16bd59a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0960852412014174$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27081531$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23138067$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhou, Wenwen</creatorcontrib><creatorcontrib>Wang, Wenrui</creatorcontrib><creatorcontrib>Li, Yonghong</creatorcontrib><creatorcontrib>Zhang, Yongkui</creatorcontrib><title>Lipid production by Rhodosporidium toruloides Y2 in bioethanol wastewater and evaluation of biomass energetic yield</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>► R. toruloides Y2 was cultured in bioethanol wastewater for lipid production. ► Biomass energetic yield was evaluated by biomass, lipid content and substrate COD. ► A method was chosen to accelerate lipid production and avoid catabolite repression.
The oleaginous yeast Rhodosporidium toruloides Y2 was employed to remove waste nutrients from bioethanol wastewater while simultaneously producing biomass enriched in microbial lipids. Under optimal conditions, the COD degradation ratio, biomass and lipid content reached 72.3%, 3.8g/l and 34.9%, respectively. For accelerating biomass and lipid accumulation, different feeding strategies of substrate were conducted. The biomass and lipid production increased by 39.5% and 53.8%, respectively, when glucose at 1.2g/(ld) was added during the last three days of the cultivation. An equation was established to estimate biomass energetic yield. Under optimal conditions, the biomass energetic yield was 50.9% and an increase of 26.0% was obtained by feeding glucose at 1.2g/(ld) during the last three days. The fatty acid composition of the lipids was similar to that from plant oils and other microbial lipids, and could thus be used as raw material for feed additives and biodiesel production.</description><subject>Applied sciences</subject><subject>Basidiomycota - metabolism</subject><subject>biodiesel</subject><subject>bioethanol</subject><subject>Bioethanol wastewater</subject><subject>Biofuel production</subject><subject>Biofuels</subject><subject>Biological and medical sciences</subject><subject>Biological Oxygen Demand Analysis</subject><subject>Biomass</subject><subject>Biomass energetic yield</subject><subject>biomass production</subject><subject>Biotechnology</subject><subject>Biotechnology - methods</subject><subject>chemical oxygen demand</subject><subject>Energy</subject><subject>Energy efficiency</subject><subject>equations</subject><subject>Ethanol - analysis</subject><subject>Exact sciences and technology</subject><subject>fatty acid composition</subject><subject>Fatty Acids - metabolism</subject><subject>feed additives</subject><subject>Feeding</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Glucose</subject><subject>Hydrogen-Ion Concentration</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>lipid content</subject><subject>Lipids</subject><subject>Lipids - biosynthesis</subject><subject>Mathematical analysis</subject><subject>microbial biomass</subject><subject>Microbial lipid</subject><subject>Microorganisms</subject><subject>Models, Biological</subject><subject>nutrients</subject><subject>plant fats and oils</subject><subject>Pollution</subject><subject>raw materials</subject><subject>Rhodosporidium</subject><subject>Rhodosporidium toruloides</subject><subject>technology</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Waste water</subject><subject>Waste Water - analysis</subject><subject>wastewater</subject><subject>Wastewaters</subject><subject>Water treatment and pollution</subject><subject>yeasts</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0U1vEzEQBuAVAtFQ-AvFFyQuCWN7be_eQBVfUiUkoAdO1qw92zjarIO92yr_HoekcIxlyZfHM_a8VXXFYcWB63ebVRdimsitVwK4WEG7Am2eVAveGLkUrdFPqwW0GpaNEvVF9SLnDQBIbsTz6kJILpviF1W-Cbvg2S5FP7spxJF1e_Z9HX3Mu5iCD_OWTTHNQwyeMvslWCgkRJrWOMaBPWCe6AEnSgxHz-gehxn_1on9wW0xZ0YjpTuagmP7QIN_WT3rccj06nReVrefPv68_rK8-fb56_WHm6VTgk_LTtadx85LV54tW6G8QuB1p3ujTNOVXXOjsJNOCGzAYK2gR8eR686rFuVl9fZYt_zu90x5stuQHQ0DjhTnbCVX0vAyK3GWcl0L0fBG6fNUARhTN1qdp6IsCbWGQvWRuhRzTtTbXQpbTHvLwR4Stxv7mLg9JG6htSXBcvHq1GPutuT_XXuMuIA3J4DZ4dAnHF3I_52BpsyBF_f66HqMFu9SMbc_SqcagDelVFvE-6OgEtp9oGSzCzQ68iGRm6yP4dxr_wBwb9aK</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>Zhou, Wenwen</creator><creator>Wang, Wenrui</creator><creator>Li, Yonghong</creator><creator>Zhang, Yongkui</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QH</scope><scope>7QO</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H97</scope><scope>L.G</scope><scope>P64</scope><scope>7SU</scope><scope>7TB</scope><scope>KR7</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>20130101</creationdate><title>Lipid production by Rhodosporidium toruloides Y2 in bioethanol wastewater and evaluation of biomass energetic yield</title><author>Zhou, Wenwen ; Wang, Wenrui ; Li, Yonghong ; Zhang, Yongkui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c521t-b34bdabd3c0313925d5a014b6f7578b78b4175ab3c22a807a450fac1a16bd59a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Applied sciences</topic><topic>Basidiomycota - metabolism</topic><topic>biodiesel</topic><topic>bioethanol</topic><topic>Bioethanol wastewater</topic><topic>Biofuel production</topic><topic>Biofuels</topic><topic>Biological and medical sciences</topic><topic>Biological Oxygen Demand Analysis</topic><topic>Biomass</topic><topic>Biomass energetic yield</topic><topic>biomass production</topic><topic>Biotechnology</topic><topic>Biotechnology - methods</topic><topic>chemical oxygen demand</topic><topic>Energy</topic><topic>Energy efficiency</topic><topic>equations</topic><topic>Ethanol - analysis</topic><topic>Exact sciences and technology</topic><topic>fatty acid composition</topic><topic>Fatty Acids - metabolism</topic><topic>feed additives</topic><topic>Feeding</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Glucose</topic><topic>Hydrogen-Ion Concentration</topic><topic>Industrial applications and implications. Economical aspects</topic><topic>lipid content</topic><topic>Lipids</topic><topic>Lipids - biosynthesis</topic><topic>Mathematical analysis</topic><topic>microbial biomass</topic><topic>Microbial lipid</topic><topic>Microorganisms</topic><topic>Models, Biological</topic><topic>nutrients</topic><topic>plant fats and oils</topic><topic>Pollution</topic><topic>raw materials</topic><topic>Rhodosporidium</topic><topic>Rhodosporidium toruloides</topic><topic>technology</topic><topic>Waste Disposal, Fluid - methods</topic><topic>Waste water</topic><topic>Waste Water - analysis</topic><topic>wastewater</topic><topic>Wastewaters</topic><topic>Water treatment and pollution</topic><topic>yeasts</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Wenwen</creatorcontrib><creatorcontrib>Wang, Wenrui</creatorcontrib><creatorcontrib>Li, Yonghong</creatorcontrib><creatorcontrib>Zhang, Yongkui</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Aqualine</collection><collection>Biotechnology Research Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Civil Engineering Abstracts</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Wenwen</au><au>Wang, Wenrui</au><au>Li, Yonghong</au><au>Zhang, Yongkui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Lipid production by Rhodosporidium toruloides Y2 in bioethanol wastewater and evaluation of biomass energetic yield</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2013-01-01</date><risdate>2013</risdate><volume>127</volume><spage>435</spage><epage>440</epage><pages>435-440</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>► R. toruloides Y2 was cultured in bioethanol wastewater for lipid production. ► Biomass energetic yield was evaluated by biomass, lipid content and substrate COD. ► A method was chosen to accelerate lipid production and avoid catabolite repression.
The oleaginous yeast Rhodosporidium toruloides Y2 was employed to remove waste nutrients from bioethanol wastewater while simultaneously producing biomass enriched in microbial lipids. Under optimal conditions, the COD degradation ratio, biomass and lipid content reached 72.3%, 3.8g/l and 34.9%, respectively. For accelerating biomass and lipid accumulation, different feeding strategies of substrate were conducted. The biomass and lipid production increased by 39.5% and 53.8%, respectively, when glucose at 1.2g/(ld) was added during the last three days of the cultivation. An equation was established to estimate biomass energetic yield. Under optimal conditions, the biomass energetic yield was 50.9% and an increase of 26.0% was obtained by feeding glucose at 1.2g/(ld) during the last three days. The fatty acid composition of the lipids was similar to that from plant oils and other microbial lipids, and could thus be used as raw material for feed additives and biodiesel production.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>23138067</pmid><doi>10.1016/j.biortech.2012.09.067</doi><tpages>6</tpages></addata></record> |
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| subjects | Applied sciences Basidiomycota - metabolism biodiesel bioethanol Bioethanol wastewater Biofuel production Biofuels Biological and medical sciences Biological Oxygen Demand Analysis Biomass Biomass energetic yield biomass production Biotechnology Biotechnology - methods chemical oxygen demand Energy Energy efficiency equations Ethanol - analysis Exact sciences and technology fatty acid composition Fatty Acids - metabolism feed additives Feeding Fundamental and applied biological sciences. Psychology Glucose Hydrogen-Ion Concentration Industrial applications and implications. Economical aspects lipid content Lipids Lipids - biosynthesis Mathematical analysis microbial biomass Microbial lipid Microorganisms Models, Biological nutrients plant fats and oils Pollution raw materials Rhodosporidium Rhodosporidium toruloides technology Waste Disposal, Fluid - methods Waste water Waste Water - analysis wastewater Wastewaters Water treatment and pollution yeasts |
| title | Lipid production by Rhodosporidium toruloides Y2 in bioethanol wastewater and evaluation of biomass energetic yield |
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