Enthalpy content as a function of lipid accumulation in Rhodotorula glutinis
Microcalorimetry has been demonstrated to be a suitable on-line method for monitoring the lipid production phase of oleaginous yeasts. The choice of lipid extraction method for the oil accumulated by oleaginous yeasts is highly important both for accuracy when quantifying the lipid level and determi...
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| Veröffentlicht in: | Applied microbiology and biotechnology 1995-03, Vol.42 (6), p.818-825 |
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| container_title | Applied microbiology and biotechnology |
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| creator | Andid, T Larsson, C Liljenberg, C Marison, I Gustafsson, L |
| description | Microcalorimetry has been demonstrated to be a suitable on-line method for monitoring the lipid production phase of oleaginous yeasts. The choice of lipid extraction method for the oil accumulated by oleaginous yeasts is highly important both for accuracy when quantifying the lipid level and determining the fatty acid composition. The energy content of Rhodotorula glutinis increased from 23.0 kJ/g to 30.6 kJ/g dry biomass during the lipid-accumulating phase and was directly correlated to the analysed level of lipids, when an alkaline hydrolysis extraction method was used. Consequently, bomb-calorimetric measurements, of the energy content were shown to be an indirect method of quantifying the lipid content in oleaginous yeasts. The fatty acid composition remained rather constant during the batch growth of Rh. glutinis with approximately 70% unsaturated C18 fatty acids. The high energy content as well as the fatty acid composition of Rh. glutinis makes this yeast a better candidate for use as aquaculture feed compared with the commonly used Saccharomyces cerevisiae. |
| doi_str_mv | 10.1007/bf00191175 |
| format | Article |
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The choice of lipid extraction method for the oil accumulated by oleaginous yeasts is highly important both for accuracy when quantifying the lipid level and determining the fatty acid composition. The energy content of Rhodotorula glutinis increased from 23.0 kJ/g to 30.6 kJ/g dry biomass during the lipid-accumulating phase and was directly correlated to the analysed level of lipids, when an alkaline hydrolysis extraction method was used. Consequently, bomb-calorimetric measurements, of the energy content were shown to be an indirect method of quantifying the lipid content in oleaginous yeasts. The fatty acid composition remained rather constant during the batch growth of Rh. glutinis with approximately 70% unsaturated C18 fatty acids. The high energy content as well as the fatty acid composition of Rh. glutinis makes this yeast a better candidate for use as aquaculture feed compared with the commonly used Saccharomyces cerevisiae.</description><identifier>ISSN: 0175-7598</identifier><identifier>EISSN: 1432-0614</identifier><identifier>DOI: 10.1007/bf00191175</identifier><identifier>CODEN: AMBIDG</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>aquacultural feeds ; aquaculture ; Biological and medical sciences ; Biology of microorganisms of confirmed or potential industrial interest ; biosynthesis ; Biotechnology ; chemical composition ; energy content ; extraction ; feeds ; Fundamental and applied biological sciences. Psychology ; lipids ; microcalorimetry ; Mission oriented research ; monitoring ; oleaginous yeasts ; on line ; Physiology and metabolism ; Rhodotorula glutinis</subject><ispartof>Applied microbiology and biotechnology, 1995-03, Vol.42 (6), p.818-825</ispartof><rights>1995 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c379t-5b6eae8b664e5fdb2da55f28d8bb13bee518fabe33d1a7722e084a57dc05549c3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3450082$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Andid, T</creatorcontrib><creatorcontrib>Larsson, C</creatorcontrib><creatorcontrib>Liljenberg, C</creatorcontrib><creatorcontrib>Marison, I</creatorcontrib><creatorcontrib>Gustafsson, L</creatorcontrib><title>Enthalpy content as a function of lipid accumulation in Rhodotorula glutinis</title><title>Applied microbiology and biotechnology</title><description>Microcalorimetry has been demonstrated to be a suitable on-line method for monitoring the lipid production phase of oleaginous yeasts. The choice of lipid extraction method for the oil accumulated by oleaginous yeasts is highly important both for accuracy when quantifying the lipid level and determining the fatty acid composition. The energy content of Rhodotorula glutinis increased from 23.0 kJ/g to 30.6 kJ/g dry biomass during the lipid-accumulating phase and was directly correlated to the analysed level of lipids, when an alkaline hydrolysis extraction method was used. Consequently, bomb-calorimetric measurements, of the energy content were shown to be an indirect method of quantifying the lipid content in oleaginous yeasts. The fatty acid composition remained rather constant during the batch growth of Rh. glutinis with approximately 70% unsaturated C18 fatty acids. The high energy content as well as the fatty acid composition of Rh. glutinis makes this yeast a better candidate for use as aquaculture feed compared with the commonly used Saccharomyces cerevisiae.</description><subject>aquacultural feeds</subject><subject>aquaculture</subject><subject>Biological and medical sciences</subject><subject>Biology of microorganisms of confirmed or potential industrial interest</subject><subject>biosynthesis</subject><subject>Biotechnology</subject><subject>chemical composition</subject><subject>energy content</subject><subject>extraction</subject><subject>feeds</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>lipids</subject><subject>microcalorimetry</subject><subject>Mission oriented research</subject><subject>monitoring</subject><subject>oleaginous yeasts</subject><subject>on line</subject><subject>Physiology and metabolism</subject><subject>Rhodotorula glutinis</subject><issn>0175-7598</issn><issn>1432-0614</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNo90M9LwzAUB_AgCs7pxX_AHMSDUM2PpkmPOjYVBoK6c3lNky3SJbVpD_vvjW56evDl8748HkKXlNxRQuR9bQmhJaVSHKEJzTnLSEHzYzQhKcqkKNUpOovxMymmimKClnM_bKDtdlgHPxg_YIgYsB29HlzwOFjcus41GLQet2MLv6nz-G0TmjCEPkV43Y6D8y6eoxMLbTQXhzlFq8X8Y_acLV-fXmYPy0xzWQ6ZqAsDRtVFkRthm5o1IIRlqlF1TXltjKDKQm04byhIyZghKgchG02EyEvNp-hm39v14Ws0cai2LmrTtuBNGGNFJWFKCZng7R7qPsTYG1t1vdtCv6soqX4eVj0u_h6W8PWhFaKG1vbgtYv_GzwXhCiW2NWeWQgVrPtEVu-MUE5oujsZ_g2KxnRM</recordid><startdate>19950301</startdate><enddate>19950301</enddate><creator>Andid, T</creator><creator>Larsson, C</creator><creator>Liljenberg, C</creator><creator>Marison, I</creator><creator>Gustafsson, L</creator><general>Springer</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>M7N</scope></search><sort><creationdate>19950301</creationdate><title>Enthalpy content as a function of lipid accumulation in Rhodotorula glutinis</title><author>Andid, T ; Larsson, C ; Liljenberg, C ; Marison, I ; Gustafsson, L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c379t-5b6eae8b664e5fdb2da55f28d8bb13bee518fabe33d1a7722e084a57dc05549c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>aquacultural feeds</topic><topic>aquaculture</topic><topic>Biological and medical sciences</topic><topic>Biology of microorganisms of confirmed or potential industrial interest</topic><topic>biosynthesis</topic><topic>Biotechnology</topic><topic>chemical composition</topic><topic>energy content</topic><topic>extraction</topic><topic>feeds</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>lipids</topic><topic>microcalorimetry</topic><topic>Mission oriented research</topic><topic>monitoring</topic><topic>oleaginous yeasts</topic><topic>on line</topic><topic>Physiology and metabolism</topic><topic>Rhodotorula glutinis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Andid, T</creatorcontrib><creatorcontrib>Larsson, C</creatorcontrib><creatorcontrib>Liljenberg, C</creatorcontrib><creatorcontrib>Marison, I</creatorcontrib><creatorcontrib>Gustafsson, L</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Applied microbiology and biotechnology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Andid, T</au><au>Larsson, C</au><au>Liljenberg, C</au><au>Marison, I</au><au>Gustafsson, L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enthalpy content as a function of lipid accumulation in Rhodotorula glutinis</atitle><jtitle>Applied microbiology and biotechnology</jtitle><date>1995-03-01</date><risdate>1995</risdate><volume>42</volume><issue>6</issue><spage>818</spage><epage>825</epage><pages>818-825</pages><issn>0175-7598</issn><eissn>1432-0614</eissn><coden>AMBIDG</coden><abstract>Microcalorimetry has been demonstrated to be a suitable on-line method for monitoring the lipid production phase of oleaginous yeasts. The choice of lipid extraction method for the oil accumulated by oleaginous yeasts is highly important both for accuracy when quantifying the lipid level and determining the fatty acid composition. The energy content of Rhodotorula glutinis increased from 23.0 kJ/g to 30.6 kJ/g dry biomass during the lipid-accumulating phase and was directly correlated to the analysed level of lipids, when an alkaline hydrolysis extraction method was used. Consequently, bomb-calorimetric measurements, of the energy content were shown to be an indirect method of quantifying the lipid content in oleaginous yeasts. The fatty acid composition remained rather constant during the batch growth of Rh. glutinis with approximately 70% unsaturated C18 fatty acids. The high energy content as well as the fatty acid composition of Rh. glutinis makes this yeast a better candidate for use as aquaculture feed compared with the commonly used Saccharomyces cerevisiae.</abstract><cop>Berlin</cop><pub>Springer</pub><doi>10.1007/bf00191175</doi><tpages>8</tpages></addata></record> |
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| ispartof | Applied microbiology and biotechnology, 1995-03, Vol.42 (6), p.818-825 |
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| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | aquacultural feeds aquaculture Biological and medical sciences Biology of microorganisms of confirmed or potential industrial interest biosynthesis Biotechnology chemical composition energy content extraction feeds Fundamental and applied biological sciences. Psychology lipids microcalorimetry Mission oriented research monitoring oleaginous yeasts on line Physiology and metabolism Rhodotorula glutinis |
| title | Enthalpy content as a function of lipid accumulation in Rhodotorula glutinis |
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