The effect of volatile fatty acids as a sole carbon source on lipid accumulation by Cryptococcus albidus for biodiesel production
The use of volatile fatty acids (VFAs) for microbial lipid accumulation was investigated in flask cultures of Cryptococcus albidus. The optimum culture temperature and pH were 25°C and pH 6.0, respectively, and the highest lipid content (27.8%) was obtained with ammonia chloride as a nitrogen source...
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| Veröffentlicht in: | Bioresource technology 2011-02, Vol.102 (3), p.2695-2701 |
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| creator | Fei, Qiang Chang, Ho Nam Shang, Longan Choi, Jin-dal-rae Kim, NagJong Kang, JongWon |
| description | The use of volatile fatty acids (VFAs) for microbial lipid accumulation was investigated in flask cultures of Cryptococcus albidus. The optimum culture temperature and pH were 25°C and pH 6.0, respectively, and the highest lipid content (27.8%) was obtained with ammonia chloride as a nitrogen source. The lipid yield coefficient on VFAs was 0.167g/g of C. albidus with a VFAs (acetic, propionic, butyric acids) ratio of 8:1:1, which was in good agreement with a theoretically predicted lipid yield coefficient of the VFAs as a carbon source. The major fatty acids of the lipids accumulated by C. albidus were similar to those of soybean oil and jatropha oil. A preliminary cost analysis shows that VFAs-based biodiesel production is competitive with current palm and soybean based biodiesels. Further process development for lower aeration cost and higher lipid yield will make this process more economical. |
| doi_str_mv | 10.1016/j.biortech.2010.10.141 |
| format | Article |
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The optimum culture temperature and pH were 25°C and pH 6.0, respectively, and the highest lipid content (27.8%) was obtained with ammonia chloride as a nitrogen source. The lipid yield coefficient on VFAs was 0.167g/g of C. albidus with a VFAs (acetic, propionic, butyric acids) ratio of 8:1:1, which was in good agreement with a theoretically predicted lipid yield coefficient of the VFAs as a carbon source. The major fatty acids of the lipids accumulated by C. albidus were similar to those of soybean oil and jatropha oil. A preliminary cost analysis shows that VFAs-based biodiesel production is competitive with current palm and soybean based biodiesels. 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Economical aspects ; Jatropha ; Lipid Metabolism - physiology ; Lipids ; Microbial lipids ; Microorganisms ; Soybeans ; Volatile fatty acids (VFAs)</subject><ispartof>Bioresource technology, 2011-02, Vol.102 (3), p.2695-2701</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2010 Elsevier Ltd. 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The optimum culture temperature and pH were 25°C and pH 6.0, respectively, and the highest lipid content (27.8%) was obtained with ammonia chloride as a nitrogen source. The lipid yield coefficient on VFAs was 0.167g/g of C. albidus with a VFAs (acetic, propionic, butyric acids) ratio of 8:1:1, which was in good agreement with a theoretically predicted lipid yield coefficient of the VFAs as a carbon source. The major fatty acids of the lipids accumulated by C. albidus were similar to those of soybean oil and jatropha oil. A preliminary cost analysis shows that VFAs-based biodiesel production is competitive with current palm and soybean based biodiesels. Further process development for lower aeration cost and higher lipid yield will make this process more economical.</description><subject>Biodiesel</subject><subject>Biofuel production</subject><subject>Biofuels - microbiology</subject><subject>Biological and medical sciences</subject><subject>Bioreactors - microbiology</subject><subject>Biotechnology</subject><subject>Carbon</subject><subject>Carbon - metabolism</subject><subject>Coefficients</subject><subject>Cryptococcus</subject><subject>Cryptococcus - metabolism</subject><subject>Cryptococcus albidus</subject><subject>Culture</subject><subject>Economic analysis</subject><subject>Energy</subject><subject>Fatty acids</subject><subject>Fatty Acids, Volatile - metabolism</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>Jatropha</subject><subject>Lipid Metabolism - physiology</subject><subject>Lipids</subject><subject>Microbial lipids</subject><subject>Microorganisms</subject><subject>Soybeans</subject><subject>Volatile fatty acids (VFAs)</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkk1vEzEQhlcIREPhLxRfEFwSPLZ3bd-oIr6kShwIZ8v22tTRJg72bqUc-efMNincqGRrRq-e-ZBfN80V0BVQ6N5vVy7lMgZ_u2L0XlyBgCfNApTkS6Zl97RZUN3RpWqZuGhe1LqllHKQ7HlzwQC4kEIsmt-b20BCjMGPJEdylwc7piGQaMfxSKxPfSUWD6kZVW-Ly3vMp-IDwWxIh9Qj5qfdNFei5I5kXY6HMfuMMpYOLvUYYy4Ed-5TqGEgh5L7yc8FL5tn0Q41vDrHy2bz6eNm_WV58-3z1_X1zdK3LRuXlnWOac2cp1S5qAQXTDMLUYqgdCeZbYOKwkIbrGt1dA64tNxaAcC85pfN21NbnPxrCnU0u1R9GAa7D3mqRrVcKNnhwzxK8hZAaymRfPdfEqSU0CqgCtHuhPqSay0hmkNJO1uOBqiZHTVb8-ComR2918W8zdV5xuR2of9b9mAhAm_OgK3eDrHYvU_1H8elpNgPudcnLtps7M-CzI_vOIlT0KzDi8SHExHQhrsUiqk-hb0PfSr4P0yf02Pb_gHF48xU</recordid><startdate>20110201</startdate><enddate>20110201</enddate><creator>Fei, Qiang</creator><creator>Chang, Ho Nam</creator><creator>Shang, Longan</creator><creator>Choi, Jin-dal-rae</creator><creator>Kim, NagJong</creator><creator>Kang, JongWon</creator><general>Elsevier Ltd</general><general>[New York, NY]: 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>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>7X8</scope><scope>7QO</scope><scope>7ST</scope><scope>F1W</scope><scope>H95</scope><scope>H98</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>20110201</creationdate><title>The effect of volatile fatty acids as a sole carbon source on lipid accumulation by Cryptococcus albidus for biodiesel production</title><author>Fei, Qiang ; Chang, Ho Nam ; Shang, Longan ; Choi, Jin-dal-rae ; Kim, NagJong ; Kang, JongWon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c552t-a26b2992bc008bf8434292a1f74e89672a5e8f4a15eab59fbb137a3aa4112c93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Biodiesel</topic><topic>Biofuel production</topic><topic>Biofuels - microbiology</topic><topic>Biological and medical sciences</topic><topic>Bioreactors - microbiology</topic><topic>Biotechnology</topic><topic>Carbon</topic><topic>Carbon - metabolism</topic><topic>Coefficients</topic><topic>Cryptococcus</topic><topic>Cryptococcus - metabolism</topic><topic>Cryptococcus albidus</topic><topic>Culture</topic><topic>Economic analysis</topic><topic>Energy</topic><topic>Fatty acids</topic><topic>Fatty Acids, Volatile - metabolism</topic><topic>Fundamental and applied biological sciences. 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| ispartof | Bioresource technology, 2011-02, Vol.102 (3), p.2695-2701 |
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| subjects | Biodiesel Biofuel production Biofuels - microbiology Biological and medical sciences Bioreactors - microbiology Biotechnology Carbon Carbon - metabolism Coefficients Cryptococcus Cryptococcus - metabolism Cryptococcus albidus Culture Economic analysis Energy Fatty acids Fatty Acids, Volatile - metabolism Fundamental and applied biological sciences. Psychology Industrial applications and implications. Economical aspects Jatropha Lipid Metabolism - physiology Lipids Microbial lipids Microorganisms Soybeans Volatile fatty acids (VFAs) |
| title | The effect of volatile fatty acids as a sole carbon source on lipid accumulation by Cryptococcus albidus for biodiesel production |
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