Kinetics of lipid production at lab scale fermenters by a new isolate of Yarrowia lipolytica SKY7
| Autor: | Rajeshwar Dayal Tyagi, Dhouha Ayed, Kuttiraja Mathiazhakan |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Glycerol
0106 biological sciences Environmental Engineering Kinetics Yarrowia Biomass Bioengineering Fatty Acids Nonesterified 010501 environmental sciences 01 natural sciences Citric Acid chemistry.chemical_compound Bioreactors 010608 biotechnology Food science Waste Management and Disposal 0105 earth and related environmental sciences biology Renewable Energy Sustainability and the Environment Methanol General Medicine biology.organism_classification Lipids 6. Clean water chemistry Biochemistry Volume (thermodynamics) Biofuels Yield (chemistry) Fermentation lipids (amino acids peptides and proteins) Citric acid |
| Zdroj: | Bioresource Technology. 221:234-240 |
| ISSN: | 0960-8524 |
| Popis: | 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 82.5g/L, C/N ratio 75 and inoculum volume 6.25%. Optimized culture conditions were tested at 15L bench scale reactor. The biomass concentration and lipid content obtained was 29.5g/L and 50% (w/w), respectively. The yield coefficients were calculated and found to be 0.332g/g (g biomass/g of glycerol) of biomass and 0.179g/g (g lipid/g glycerol consumed) for lipid. Observed rates of lipid production show lipid production from 30h of fermentation. Out of the total glycerol consumed, 41.1% glycerol was converted into biomass, lipid, and citric acid. |
| Databáze: | OpenAIRE |
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