Bioconversion of biodiesel refinery waste in the bioemulsifier by Trichosporon mycotoxinivorans CLA2.

Biotechnology for Biofuels
Andrea de Souza MonteiroVera Lúcia Dos Santos

Abstract

The microbial bioemulsifiers was surface active compounds, are more effective in stabilizing oil-in-water emulsions. The yeasts have been isolated to produce bioemulsifiers from vegetable oils and industrial wastes. Trichosporon mycotoxinivorans CLA2 is bioemulsifier-producing yeast strain isolated from effluents of the dairy industry, with ability to emulsify different hydrophobic substrates. Bioemulsifier production (mg/L) and the emulsifying activity (E24) of this strain were optimized by response surface methodology using mineral minimal medium containing refinery waste as the carbon source, which consisted of diatomaceous earth impregnated with esters from filters used in biodiesel purification. The highest bioemulsifier production occurred in mineral minimal medium containing 75 g/L biodiesel residue and 5 g/L ammonium sulfate. The highest emulsifying activity was obtained in medium containing 58 g/L biodiesel refinery residue and 4.6 g/L ammonium sulfate, and under these conditions, the model estimated an emulsifying activity of 85%. Gas chromatography and mass spectrometry analysis suggested a bioemulsifier molecule consisting of monosaccharides, predominantly xylose and mannose, and a long chain aliphatic groups compos...Continue Reading

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Citations

Mar 11, 2016·Environmental Science and Pollution Research International·Ziaur RahmanSun Chang Kim
Feb 1, 2015·Microbial Cell Factories·Eduardo J GudiñaLígia R Rodrigues
Jan 8, 2015·Frontiers in Microbiology·Ibrahim M BanatNarendra V Nyayanit
Dec 6, 2016·Applied Biochemistry and Biotechnology·Vitor S DominguesVera L Santos
Jan 12, 2021·Saudi Journal of Biological Sciences·Adegoke Isiaka Adetunji, Ademola Olufolahan Olaniran
Mar 22, 2021·Bioresource Technology·Anoop R MarkandeSunita Varjani
Jun 18, 2021·Biotechnology Reports·Jéssyca Ketterine CarvalhoCleide Viviane Buzanello Martins

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Methods Mentioned

BETA
gel filtration
nuclear magnetic resonance
X-ray
NMR
homonuclear correlation spectroscopy

Software Mentioned

R
Class

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