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Kinetics of lipid production at lab scale fermenters by a new isolate of Yarrowia lipolytica SKY7.
- Source :
-
Bioresource Technology . Dec2016, Vol. 221, p234-240. 7p. - Publication Year :
- 2016
-
Abstract
- The objective of this work was to study the kinetics of lipid production at lab scale fermenters by a new isolate of Yarrowia lipolytica SKY7. The model terms glycerol concentration inoculum and C/N ratio with inoculum were found to be significant for lipid production. Lipid production was found to be higher in glycerol 82.5 g/L, C/N ratio 75 and inoculum volume 6.25%. Optimized culture conditions were tested at 15 L bench scale reactor. The biomass concentration and lipid content obtained was 29.5 g/L and 50% (w/w), respectively. The yield coefficients were calculated and found to be 0.332 g/g (g biomass/g of glycerol) of biomass and 0.179 g/g (g lipid/g glycerol consumed) for lipid. Observed rates of lipid production show lipid production from 30 h of fermentation. Out of the total glycerol consumed, 41.1% glycerol was converted into biomass, lipid, and citric acid. [ABSTRACT FROM AUTHOR]
- Subjects :
- *LIPIDS
*DIPODASCACEAE
*FERMENTATION
*CHEMICAL kinetics
*GLYCERIN
Subjects
Details
- Language :
- English
- ISSN :
- 09608524
- Volume :
- 221
- Database :
- Academic Search Index
- Journal :
- Bioresource Technology
- Publication Type :
- Academic Journal
- Accession number :
- 118697848
- Full Text :
- https://doi.org/10.1016/j.biortech.2016.09.015