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Enhancement of total lipid yield by nitrogen, carbon, and iron supplementation in isolated microalgae.
Sivaramakrishnan, Ramachandran; Incharoensakdi, Aran.
Afiliación
  • Sivaramakrishnan R; Laboratory of Cyanobacterial Biotechnology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
  • Incharoensakdi A; Laboratory of Cyanobacterial Biotechnology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
J Phycol ; 53(4): 855-868, 2017 08.
Article en En | MEDLINE | ID: mdl-28523645
ABSTRACT
The biochemical contents and biodiesel production ability of three microalgal strains grown under different sodium nitrate, sodium carbonate, and ferric ammonium citrate (iron) levels were investigated. The highest biomass and lipid contents were found in Scenedesmus sp., Chlorella sp., and Chlamydomonas sp. when grown in normal BG-11 containing sodium carbonate concentration at 0.03 g · L-1 , and in normal BG-11 containing iron concentration (IC) at 0.009 or 0.012 g · L-1 . Increasing the sodium nitrate level increased the biomass content, but decreased the lipid content in all three microalgae. Among the three microalgae, Scenedesmus sp. showed the highest total lipid yield of 0.69 g · L-1 under the IC of 0.012 g · L-1 . Palmitic and oleic acids were the major fatty acids of Scenedesmus sp. and Chlamydomonas sp. lipids. On the other hand, Chlorella sp. lipids were rich in palmitic, oleic, and linolenic acids, and henceforth contributing to poor biodiesel properties below the standard limits. The three isolated strains had a potential for biodiesel production. Nevertheless, Scenedesmus sp. from stone quarry pond water was the most suitable source for biodiesel production with tolerance toward the high concentration of sodium carbonate without the loss of its biodiesel properties.
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Chlamydomonas / Chlorella / Scenedesmus / Metabolismo de los Lípidos / Biocombustibles / Microalgas / Lípidos Idioma: En Revista: J Phycol Año: 2017 Tipo del documento: Article País de afiliación: Tailandia

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Chlamydomonas / Chlorella / Scenedesmus / Metabolismo de los Lípidos / Biocombustibles / Microalgas / Lípidos Idioma: En Revista: J Phycol Año: 2017 Tipo del documento: Article País de afiliación: Tailandia