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Rhamnolipid Biosurfactant Production by Strains of Pseudomonas aeruginosa Using Low‐Cost Raw Materials
Open accessAbstract
This study was aimed at the development of economical methods for higher yields of biosurfactant by suggesting the use of low‐cost raw materials. Two oil‐degrading strains, Pseudomonas aeruginosa GS9–119 and DS10–129, were used to optimize a substrate for maximum rhamnolipid production. Among the two strains, the latter produced maxima of 4.31, 2.98, and 1.77 g/L rhamnolipid biosurfactant using soybean oil, safflower oil, and glycerol, respectively. The yield of biosurfactant steadily increased even after the bacterial cultures reached the stationary phase of growth. Characterization of rhamnolipids using mass spectrometry revealed the presence of dirhamnolipids (Rha‐Rha‐C 10 –C 10 ). Emulsification activity of the rhamnolipid biosurfactant produced by P. aeruginosa DS10–129 was greater than 70% using all the hydrocarbons tested, including xylene, benzene, hexane, crude oil, kerosene, gasoline, and diesel. P. aeruginosa GS9–119 emulsified only hexane and kerosene to that level.
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Cited by
Towards commercial production of microbial surfactants
Mukherjee, S., Das, P., & Sen, R. (2006) · Trends in Biotechnology · doi:10.1016/j.tibtech.2006.09.005 · Cited by 766
Advances in utilization of renewable substrates for biosurfactant production
Makkar, R. S., Cameotra, S. S., & Banat, I. M. (2011) · AMB Express · doi:10.1186/2191-0855-1-5 · Cited by 470
Self-citationCost effective technologies and renewable substrates for biosurfactants’ production
Banat, I. M., Satpute, S. K., Cameotra, S. S., Patil, R., & Nyayanit, N. V. (2014) · Frontiers in Microbiology · doi:10.3389/fmicb.2014.00697 · Cited by 461
Self-citationRhamnolipid Surfactants: An Update on the General Aspects of These Remarkable Biomolecules
Nitschke, M., Costa, S. G. V. A. O., & Contiero, J. (2005) · Biotechnology Progress · doi:10.1021/bp050239p · Cited by 300
Production, Characterisation and Applications of Biosurfactants-Review
Rahman, P. K. S. M., & Gakpe, E. (2008) · Biotechnology(Faisalabad) · doi:10.3923/biotech.2008.360.370 · Cited by 284
Metadata
- Authors
- Rahman, K. S. M., Rahman, T. J., McClean, S., Marchant, R., & Banat, I. M.
- Venue
- Biotechnology Progress
- Publisher
- Wiley
- Published
- 2002-01
- Volume
- 18
- Issue
- 6
- Pages
- 1277-1281
- ISSN
- 1520-6033 (ISSN-L)
- 8756-7938
- OpenAlex
- W2089606209
- Cited by
- 304
- References
- 0
- FWCI
- 4.74
- Type
- journal article
- Language
- en
- Open access
- green
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- Rahman, K. S. M., Rahman, T. J., McClean, S., Marchant, R., & Banat, I. M. (2002). Rhamnolipid Biosurfactant Production by Strains of Pseudomonas aeruginosa Using Low‐Cost Raw Materials. Biotechnology Progress. https://doi.org/10.1021/bp020071x
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