2012
DOI: 10.1590/s0104-66322012000100007
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Production of bioemulsifiers by Yarrowia lipolytica in sea water using diesel oil as the carbon source

Abstract: -The objective of this work was to investigate, on a flask scale, the production of bioemulsifiers by Yarrowia lipolytica in the presence of sea water, supplemented with nitrogen and phosphate sources, using diesel oil as substrate. A full 2 4 factorial design was conducted to investigate the effects and interactions of the nutrient concentrations (diesel oil, urea, ammonium sulfate and monobasic potassium phosphate) on the response variables: emulsification activity and surface tension of the cell-free cultur… Show more

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Cited by 23 publications
(5 citation statements)
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“…Candida tropicalis grown on n-hexadecane produced an extracellular emulsifier with surface tension of 49.5 mN/m but was capable of emulsifying various hydrocarbons including aromatic hydrocarbons (Singh and Desai, 1989 ). Souza et al ( 2012 ) identified a potent bioemulsifier produced by Yarrowia lipolytica which exhibited high emulsification values with hydrocarbons, with no reduction in surface tension.…”
Section: The Physiological Roles Of Biosurfactants and Bioemulsifers mentioning
confidence: 99%
“…Candida tropicalis grown on n-hexadecane produced an extracellular emulsifier with surface tension of 49.5 mN/m but was capable of emulsifying various hydrocarbons including aromatic hydrocarbons (Singh and Desai, 1989 ). Souza et al ( 2012 ) identified a potent bioemulsifier produced by Yarrowia lipolytica which exhibited high emulsification values with hydrocarbons, with no reduction in surface tension.…”
Section: The Physiological Roles Of Biosurfactants and Bioemulsifers mentioning
confidence: 99%
“…Fontes et al (2012) reported that strains of Y. lipolytica presented emulsification indices up to 68.0 and 70.2 %. Souza et al (2012) also achieved good emulsifier production in their results with Y. lipolytica in the presence of seawater. To improve the production of biosurfactants, Fontes et al ( 2010) achieved a better result of emulsification index (67.7 %) in a blend media with ammonium sulfate and yeast extract.…”
Section: Discussionmentioning
confidence: 91%
“…Candida tropicalis grown on n-hexadecane produced an extracellular emulsifier with surface tension of 49.5 mN/m but was capable of emulsifying various hydrocarbons including aromatic hydrocarbons (Singh and Desai, 1989). Souza et al (2012) identified a potent bioemulsifier produced by Yarrowia lipolytica which exhibited high emulsification values with hydrocarbons, with no reduction in surface tension.…”
Section: The Physiological Roles Of Biosurfactants and Bioemulsifers mentioning
confidence: 99%