Factors Influencing Biohydrogenation and Conjugated Linoleic Acid Production by Mixed Rumen Fungi
The objective of this study was to evaluate the effect of soluble carbohydrates (glucose, cellobiose), pH (6.0, 6.5, 7.0), and rumen microbial growth factors (VFA, vitamins) on biohydrogenation of linoleic acid (LA) by mixed rumen fungi. Addition of glucose or cellobiose to culture media slowed the...
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| Veröffentlicht in: | The journal of microbiology 2007-06, Vol.45 (3), p.199-204 |
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| creator | Nam, I.S. (National Livestock Research Institute, RDA, Suwon, Republic of Korea) Garnsworthy, Philip C. (University of Nottingham, School of Biosciences, Sutton Bonington Campus, Loughborough, UK), E-mail: Phil.Garnsworthy@nottingham.ac.uk |
| description | The objective of this study was to evaluate the effect of soluble carbohydrates (glucose, cellobiose), pH (6.0, 6.5, 7.0), and rumen microbial growth factors (VFA, vitamins) on biohydrogenation of linoleic acid (LA) by mixed rumen fungi. Addition of glucose or cellobiose to culture media slowed the rate of biohydrogenation; only 35-40% of LA was converted to conjugated linoleic acid (CLA) or vaccenic acid (VA) within 24 h of incubation, whereas in the control treatment, 100% of LA was converted within 24 h. Addition of VFA or vitamins did not affect biohydrogenation activity or CLA production. |
| format | Article |
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(National Livestock Research Institute, RDA, Suwon, Republic of Korea) ; Garnsworthy, Philip C. (University of Nottingham, School of Biosciences, Sutton Bonington Campus, Loughborough, UK), E-mail: Phil.Garnsworthy@nottingham.ac.uk</creator><creatorcontrib>Nam, I.S. (National Livestock Research Institute, RDA, Suwon, Republic of Korea) ; Garnsworthy, Philip C. (University of Nottingham, School of Biosciences, Sutton Bonington Campus, Loughborough, UK), E-mail: Phil.Garnsworthy@nottingham.ac.uk</creatorcontrib><description>The objective of this study was to evaluate the effect of soluble carbohydrates (glucose, cellobiose), pH (6.0, 6.5, 7.0), and rumen microbial growth factors (VFA, vitamins) on biohydrogenation of linoleic acid (LA) by mixed rumen fungi. Addition of glucose or cellobiose to culture media slowed the rate of biohydrogenation; only 35-40% of LA was converted to conjugated linoleic acid (CLA) or vaccenic acid (VA) within 24 h of incubation, whereas in the control treatment, 100% of LA was converted within 24 h. Addition of VFA or vitamins did not affect biohydrogenation activity or CLA production.</description><identifier>ISSN: 1225-8873</identifier><identifier>EISSN: 1976-3794</identifier><identifier>PMID: 17618224</identifier><language>eng</language><publisher>Korea (South)</publisher><subject>ACIDE LINOLEIQUE ; ACIDO LINOLEICO ; Animals ; biohydrogenation ; Cattle ; Cellobiose - metabolism ; CHAMPIGNON ; CLA ; Fatty Acids, Volatile - metabolism ; FUNGI ; Fungi - metabolism ; Glucose - metabolism ; HONGOS ; Hydrogen-Ion Concentration ; Hydrogenation ; LINOLEIC ACID ; Linoleic Acid - metabolism ; Linoleic Acids, Conjugated - biosynthesis ; MICROORGANISME DU RUMEN ; MICROORGANISMOS DEL RUMEN ; Oleic Acids - metabolism ; Rumen - microbiology ; RUMEN MICROORGANISMS ; Time Factors ; Vitamins - metabolism</subject><ispartof>The journal of microbiology, 2007-06, Vol.45 (3), p.199-204</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17618224$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nam, I.S. (National Livestock Research Institute, RDA, Suwon, Republic of Korea)</creatorcontrib><creatorcontrib>Garnsworthy, Philip C. (University of Nottingham, School of Biosciences, Sutton Bonington Campus, Loughborough, UK), E-mail: Phil.Garnsworthy@nottingham.ac.uk</creatorcontrib><title>Factors Influencing Biohydrogenation and Conjugated Linoleic Acid Production by Mixed Rumen Fungi</title><title>The journal of microbiology</title><addtitle>J Microbiol</addtitle><description>The objective of this study was to evaluate the effect of soluble carbohydrates (glucose, cellobiose), pH (6.0, 6.5, 7.0), and rumen microbial growth factors (VFA, vitamins) on biohydrogenation of linoleic acid (LA) by mixed rumen fungi. Addition of glucose or cellobiose to culture media slowed the rate of biohydrogenation; only 35-40% of LA was converted to conjugated linoleic acid (CLA) or vaccenic acid (VA) within 24 h of incubation, whereas in the control treatment, 100% of LA was converted within 24 h. Addition of VFA or vitamins did not affect biohydrogenation activity or CLA production.</description><subject>ACIDE LINOLEIQUE</subject><subject>ACIDO LINOLEICO</subject><subject>Animals</subject><subject>biohydrogenation</subject><subject>Cattle</subject><subject>Cellobiose - metabolism</subject><subject>CHAMPIGNON</subject><subject>CLA</subject><subject>Fatty Acids, Volatile - metabolism</subject><subject>FUNGI</subject><subject>Fungi - metabolism</subject><subject>Glucose - metabolism</subject><subject>HONGOS</subject><subject>Hydrogen-Ion Concentration</subject><subject>Hydrogenation</subject><subject>LINOLEIC ACID</subject><subject>Linoleic Acid - metabolism</subject><subject>Linoleic Acids, Conjugated - biosynthesis</subject><subject>MICROORGANISME DU RUMEN</subject><subject>MICROORGANISMOS DEL RUMEN</subject><subject>Oleic Acids - metabolism</subject><subject>Rumen - microbiology</subject><subject>RUMEN MICROORGANISMS</subject><subject>Time Factors</subject><subject>Vitamins - metabolism</subject><issn>1225-8873</issn><issn>1976-3794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0LFOwzAQBuAIgWgpPALIE1skn53ayVgqWiqKQBXM0dV2gqvELnEs0bcnomVmutOv7_7hzpIxFFKkXBbZ-bAzNk3zXPJRchXCjlIBPGOXyQikgJyxbJzgAlXvu0BWrmqiccq6mjxY_3nQna-Nw956R9BpMvduF2vsjSZr63xjrCIzZTV567yO6tdtD-TFfg9iE1vjyCK62l4nFxU2wdyc5iT5WDy-z5_S9etyNZ-t04oJ1qdKSF5xwyrKOVKmNSoADhIzKqcCCsScTpEXBQOqKgZ5wYdESAADW0TOJ8n9sXff-a9oQl-2NijTNOiMj6GUVOSCA_0XMgCQlOcDvDvBuG2NLvedbbE7lH_fG8DtEVToS6w7G8rnDaNU0uEcBP8BOPp0aA</recordid><startdate>20070601</startdate><enddate>20070601</enddate><creator>Nam, I.S. (National Livestock Research Institute, RDA, Suwon, Republic of Korea)</creator><creator>Garnsworthy, Philip C. (University of Nottingham, School of Biosciences, Sutton Bonington Campus, Loughborough, UK), E-mail: Phil.Garnsworthy@nottingham.ac.uk</creator><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20070601</creationdate><title>Factors Influencing Biohydrogenation and Conjugated Linoleic Acid Production by Mixed Rumen Fungi</title><author>Nam, I.S. (National Livestock Research Institute, RDA, Suwon, Republic of Korea) ; Garnsworthy, Philip C. (University of Nottingham, School of Biosciences, Sutton Bonington Campus, Loughborough, UK), E-mail: Phil.Garnsworthy@nottingham.ac.uk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f262t-c673f3e2f033a02ddac11317a4075619aa805a399210cf21893a806711e1baa33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>ACIDE LINOLEIQUE</topic><topic>ACIDO LINOLEICO</topic><topic>Animals</topic><topic>biohydrogenation</topic><topic>Cattle</topic><topic>Cellobiose - metabolism</topic><topic>CHAMPIGNON</topic><topic>CLA</topic><topic>Fatty Acids, Volatile - metabolism</topic><topic>FUNGI</topic><topic>Fungi - metabolism</topic><topic>Glucose - metabolism</topic><topic>HONGOS</topic><topic>Hydrogen-Ion Concentration</topic><topic>Hydrogenation</topic><topic>LINOLEIC ACID</topic><topic>Linoleic Acid - metabolism</topic><topic>Linoleic Acids, Conjugated - biosynthesis</topic><topic>MICROORGANISME DU RUMEN</topic><topic>MICROORGANISMOS DEL RUMEN</topic><topic>Oleic Acids - metabolism</topic><topic>Rumen - microbiology</topic><topic>RUMEN MICROORGANISMS</topic><topic>Time Factors</topic><topic>Vitamins - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nam, I.S. (National Livestock Research Institute, RDA, Suwon, Republic of Korea)</creatorcontrib><creatorcontrib>Garnsworthy, Philip C. 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(National Livestock Research Institute, RDA, Suwon, Republic of Korea)</au><au>Garnsworthy, Philip C. (University of Nottingham, School of Biosciences, Sutton Bonington Campus, Loughborough, UK), E-mail: Phil.Garnsworthy@nottingham.ac.uk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Factors Influencing Biohydrogenation and Conjugated Linoleic Acid Production by Mixed Rumen Fungi</atitle><jtitle>The journal of microbiology</jtitle><addtitle>J Microbiol</addtitle><date>2007-06-01</date><risdate>2007</risdate><volume>45</volume><issue>3</issue><spage>199</spage><epage>204</epage><pages>199-204</pages><issn>1225-8873</issn><eissn>1976-3794</eissn><abstract>The objective of this study was to evaluate the effect of soluble carbohydrates (glucose, cellobiose), pH (6.0, 6.5, 7.0), and rumen microbial growth factors (VFA, vitamins) on biohydrogenation of linoleic acid (LA) by mixed rumen fungi. Addition of glucose or cellobiose to culture media slowed the rate of biohydrogenation; only 35-40% of LA was converted to conjugated linoleic acid (CLA) or vaccenic acid (VA) within 24 h of incubation, whereas in the control treatment, 100% of LA was converted within 24 h. Addition of VFA or vitamins did not affect biohydrogenation activity or CLA production.</abstract><cop>Korea (South)</cop><pmid>17618224</pmid><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1225-8873 |
| ispartof | The journal of microbiology, 2007-06, Vol.45 (3), p.199-204 |
| issn | 1225-8873 1976-3794 |
| language | eng |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | ACIDE LINOLEIQUE ACIDO LINOLEICO Animals biohydrogenation Cattle Cellobiose - metabolism CHAMPIGNON CLA Fatty Acids, Volatile - metabolism FUNGI Fungi - metabolism Glucose - metabolism HONGOS Hydrogen-Ion Concentration Hydrogenation LINOLEIC ACID Linoleic Acid - metabolism Linoleic Acids, Conjugated - biosynthesis MICROORGANISME DU RUMEN MICROORGANISMOS DEL RUMEN Oleic Acids - metabolism Rumen - microbiology RUMEN MICROORGANISMS Time Factors Vitamins - metabolism |
| title | Factors Influencing Biohydrogenation and Conjugated Linoleic Acid Production by Mixed Rumen Fungi |
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