Rhamnolipid biosurfactant from Pseudomonas aeruginosa: From discovery to application in contemporary technology

Rikalović, Gojko M.; Vrvic, M Miroslav; Karadzic, M Ivanka

doi:10.2298/jsc140627096r

Cited by 61 publications

(30 citation statements)

References 89 publications

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“…The RHLs are the most current generation of biosurfactants which has occupied the global market. Literature scenario suggests that considerably high number of current publications and patents are mostly dedicated to glycolipid biosurfactants where RHLs have been studied thoroughly [53]. In addition to oil effluents or waste frying oils; sunflower oil also represent as a potential carbon and energy sources in the production of microbial surfactants.…”

Section: Rhamnolipid (Rhl)mentioning

confidence: 99%

Biosurfactants’ Production from Renewable Natural Resources: Example of Innovativeand Smart Technology in Circular Bioeconomy

Satpute

Płaza

Banpurkar

2017

Management Systems in Production Engineering

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Abstract:A strong developed bio-based industrial sector will significantly reduce dependency on fossil resources, help the countries meet climate change targets, and lead to greener and more environmental friendly growth. The key is to develop new technologies to sustainably transform renewable natural resources into bio-based products and biofuels. Biomass is a valuable resource and many parameters need to be taken in to account when assessing its use and the products made from its. The bioeconomy encompass the production of renewable biological resources and their conversion into food, feed and bio-based products (chemicals, materials and fuels) via innovative and efficient technologies provided by industrial biotechnology. The paper presents the smart and efficient way to use the agro-industrial, dairy and food processing wastes for biosurfactant's production. Clarification processes are mandatory to use the raw substrates for microbial growth as well as biosurfactant production for commercial purposes. At the same time it is very essential to retain the nutritional values of those cheap substrates. Broad industrial perspectives can be achieved when quality as well as the quantity of the biosurfactant is considered in great depth. Since substrates resulting from food processing, dairy, animal fat industries are not explored in great details; and hence are potential areas which can be explored thoroughly.

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Section: Rhamnolipid (Rhl)mentioning

confidence: 99%

Biosurfactants’ Production from Renewable Natural Resources: Example of Innovativeand Smart Technology in Circular Bioeconomy

Satpute

Płaza

Banpurkar

2017

Management Systems in Production Engineering

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“…They have several advantages over chemical surfactants, such as lower toxicity; higher biodegradability and better environmental compatibility [2]. Rhamnolipids (RL), mainly produced by Pseudomonas aeruginosa (P. aeruginosa), constitute one of the most important classes of biosurfactants because of their advantageous characteristics [3]. With respect to their production, they show high concentrations as compared to other biosurfactants, and several renewable materials, like used oils or wastes from the food industry, can be used as carbon sources [4].…”

Section: Introductionmentioning

confidence: 99%

Optimization of Rhamnolipid Production by P. aeruginosa Isolate P6

El-Housseiny

Aboulwafa

Aboshanab

et al. 2016

J Surfact & Detergents

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Rhamnolipids are interesting microbial surfactants having great industrial importance. However, the main obstacles towards an economic production of rhamnolipids are low productivity and high raw‐material costs. Therefore, this study aimed at optimization of the culture media as well as culture conditions using response surface methodology for maximum rhamnolipid production by Pseudomonas aeruginosa isolate P6, a promising rhamnolipid‐producing isolate. The optimum medium for maximum rhamnolipid production was found to be a mineral salts medium with glycerol 2 % v/v as the carbon source. The optimum cultivation conditions using response surface methodology were found to be an incubation temperature of 30 °C, an agitation rate of 250 rpm, an inoculum size of 5 % v/v and unlike most studies, an initial pH of 7.5. The resulting model predicted data points that corresponded well to the experimental values. Optimization resulted in a threefold increase in rhamnolipid production reaching 7.54 g/L. The data are potentially useful for further industrial exploitation of rhamnolipid production by the studied isolate.

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“…One of the most studied classes of biosurfactants are rhamnolipids. The main emphasis of research has been on use, antibacterial properties and production rather than on physical and chemical effects, especially in combination with other surfactants [12][13][14][15]. In the literature there are many examples of binary surfactant mixtures, but they are composed of classical synthetic surfactants [1,[3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Adsorption and Aggregation Activity of Sodium Dodecyl Sulfate and Rhamnolipid Mixture

Mańko

Zdziennicka

Jańczuk

2016

J Surfact & Detergents

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Measurements of the surface tension, density and viscosity of sodium dodecyl sulfate (SDS) and rhamnolipid (RL) mixtures were carried out in aqueous solution. From the obtained results, composition of mixed surface layer at the water–air interface, mixed micelles, parameter of intermolecular interactions, activity of SDS and RL in the surface layer and micelles, Gibbs standard free energy of adsorption and micellization as well as Gibbs free energy of SDS and RL mixing in the surface layer and micelles were established. These parameters were discussed in the light of independent adsorption of SDS and RL and the size of their molecules as well as the area in contact with water molecules. A correlation between the number of water molecules in contact with those of SDS and RL and standard free energy of adsorption as well as micellization of these surfactants was observed. A correlation between the apparent and partial molar volumes of RL and SDS in their mixture and size of surfactant molecules as well as the average distance between molecules was also found. The parameter of intermolecular interactions indicates that there is a synergetic effect in the reduction of water surface tension and micelle formation.Electronic supplementary materialThe online version of this article (doi:10.1007/s11743-016-1916-6) contains supplementary material, which is available to authorized users.

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Rhamnolipid biosurfactant from Pseudomonas aeruginosa: From discovery to application in contemporary technology

Cited by 61 publications

References 89 publications

Biosurfactants’ Production from Renewable Natural Resources: Example of Innovativeand Smart Technology in Circular Bioeconomy

Biosurfactants’ Production from Renewable Natural Resources: Example of Innovativeand Smart Technology in Circular Bioeconomy

Optimization of Rhamnolipid Production by P. aeruginosa Isolate P6

Adsorption and Aggregation Activity of Sodium Dodecyl Sulfate and Rhamnolipid Mixture

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