Biosurfactants, natural alternatives to synthetic surfactants: Physicochemical properties and applications

Jahan, Ruksana; Bodratti, Andrew M.; Tsianou, Marina; Alexandridis, Paschalis

doi:10.1016/j.cis.2019.102061

Cited by 360 publications

(191 citation statements)

References 265 publications

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“…It is also possible to synthesize biosurfactants under optimal growth conditions, provided there is a previous kinetic study to determine the variables that need to be adjusted for this purpose. 4,26 The structure of a biosurfactant is also influenced by the microorganism. The same carbon source can be used to synthesize different groups, such as mannoproteins, glycolipids, and complexes containing a mixture of carbohydrates, lipids and proteins, depending on the microorganism used.…”

Section: Production Of Biosurfactantsmentioning

confidence: 99%

“…Thus, there has been increasing interest in employing these biomolecules to replace harmful, synthetic compounds. 24,25,26 Considering reports of the use of biosurfactants in the food sector, this review discusses the properties, classifications, and production of these biomolecules especially by yeasts, for which there has been growing industrial interest. This article also provides an overview of the possible food sectors for the use of these natural compounds due to their desirable properties and the possibility of using agroindustrial waste products as alternative substrates for their production.…”

Section: Introductionmentioning

confidence: 99%

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Biosurfactants: Production and application prospects in the food industry

Ribeiro

Guerra

Sarubbo

2020

Biotechnology Progress

103

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There has been considerable interest in the use of biosurfactants due to the diversity of structures and the possibility of production from a variety of substrates. The potential for industrial applications has been growing, as these natural compounds are tolerant to common processing methods and can compete with synthetic surfactants with regards to the capacity to reduce surface and interfacial tensions as well as stabilise emulsions while offering the advantages of biodegradability and low toxicity. Among biosurfactant-producing microorganisms, some yeasts present no risks of toxicity or pathogenicity, making them ideal for use in food formulations. Indeed, the use of these biomolecules in foods has attracted industrial interest due to their properties as emulsifiers and stabilizers of emulsions. Studies have also demonstrated other valuable properties, such as antioxidant and antimicrobial activity, enabling the aggregation of greater value to products and the avoidance of contamination both during and after processing. All these characteristics allow biosurfactants to be used as additives and versatile ingredients for the processing of foods. The present review discusses the potential application of biosurfactants as emulsifying agents in food formulations, such as salad dressing, bread, cakes, cookies, and ice cream. The antioxidant, antimicrobial and anti-adhesive properties of these biomolecules are also discussed, demonstrating the need for further studies to make the use of the natural compounds viable in this expanding sector.

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Section: Production Of Biosurfactantsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Biosurfactants: Production and application prospects in the food industry

Ribeiro

Guerra

Sarubbo

2020

Biotechnology Progress

103

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“…We also determined with the VPBO solubilization by the synthetic surfactants Tween 80, CTAB, and SDS at pH 4, 7, and 9, indicating that the absorption remained nearly constant (Supplementary Figure S1). Nevertheless, as the assembly behavior of biosurfactants to macrostructures typically changes with pH (Jahan et al, 2020), it is important to work in a pH range that allows the formation of solubilizing biosurfactant micelles.…”

Section: Victoria Pure Blue Bo Assay For Determination Of Biosurfactantsmentioning

confidence: 99%

“…Microbial biosurfactants are a structurally heterogeneous group of secondary metabolites. Surface active natural products are for instance glycolipids like rhamnolipids, trehalolipids, sophorolipids, and mannosylerythritol lipids (MELs) as well as lipopeptides (or lipoamino acids like) surfactin, serrawettin W1, N-acylamino acids, or polymers like emulsan (Soberón-Chávez et al, 2011;Jahan et al, 2020). Microbial biosurfactants are gaining increasing attention as an alternative to petrol-based surfactants and are one of many natural compounds which can contribute to a biobased economy (Olasanmi and Thring, 2018;Naughton et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

A Straightforward Assay for Screening and Quantification of Biosurfactants in Microbial Culture Supernatants

Kubicki

Bator

Jankowski

et al. 2020

Front. Bioeng. Biotechnol.

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A large variety of microorganisms produces biosurfactants with the potential for a number of diverse industrial applications. To identify suitable wild-type or engineered production strains, efficient screening methods are needed, allowing for rapid and reliable quantification of biosurfactants in multiple cultures, preferably at high throughput. To this end, we have established a novel and sensitive assay for the quantification of biosurfactants based on the dye Victoria Pure Blue BO (VPBO). The assay allows the colorimetric assessment of biosurfactants directly in culture supernatants and does not require extraction or concentration procedures. Working ranges were determined for precise quantification of different rhamnolipid biosurfactants; titers in culture supernatants of recombinant Pseudomonas putida KT2440 calculated by this assay were confirmed to be the same ranges detected by independent high-performance liquid chromatography (HPLC)-charged aerosol detector (CAD) analyses. The assay was successfully applied for detection of chemically different anionic or non-ionic biosurfactants including mono-and di-rhamnolipids (glycolipids), mannosylerythritol lipids (MELs, glycolipids), 3-(3-hydroxyalkanoyloxy) alkanoic acids (fatty acid conjugates), serrawettin W1 (lipopeptide), and N-acyltyrosine (lipoamino acid). In summary, the VPBO assay offers a broad range of applications including the comparative evaluation of different cultivation conditions and high-throughput screening of biosurfactant-producing microbial strains.

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“…They contain synthetic chemicals and can cause skin irritation or harm the environment. Rhamnolipids are biosurfactants, which are of biological origin and have many advantages over synthetic counterparts, such as low toxicity and high biodegradability (Jahan et al, 2020;Kaskatepe and Yildiz, 2016;Madrid et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Characterization of Rhamnolipids for the Inactivation of Enveloped Viruses

Jin

Black

Sawyer

2020

Preprint

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Abstract In the face of new emerging respiratory viruses, such as SARS-CoV2, vaccines, and drug therapies are not immediately available to curb the spread of the infection. Non-pharmaceutical interventions, such as mask-wearing and social distance, can slow the transmission. However, both mask and social distance are not 100% effective at preventing the spread of respiratory viruses, such as SARS-CoV2 and influenza viruses. There is an urgent need to develop an intervention that could reduce the spread of respiratory viruses. Rhamnolipids are environmentally friendly and biologically safe surfactants that can kill enveloped viruses. Two rhamnolipid products, 222A and 222B, were investigated in this study to determine their ability to inactivate two enveloped viruses, bovine coronavirus and herpes simplex virus 1. We found that 222B at 0.005%, which has no toxicity to cells, can inactivate 105 PFU/ml enveloped viruses in 3-5 min. Moreover, 50-100µl of 222B at 0.005% on 1 cm2 mask fabrics can inactivate ~ 103 PFU /10 µl in 3-5 min. These results suggest that 222B can be coated on masks to prevent or reduce the spread of enveloped viruses.

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Biosurfactants, natural alternatives to synthetic surfactants: Physicochemical properties and applications

Cited by 360 publications

References 265 publications

Biosurfactants: Production and application prospects in the food industry

Biosurfactants: Production and application prospects in the food industry

A Straightforward Assay for Screening and Quantification of Biosurfactants in Microbial Culture Supernatants

Characterization of Rhamnolipids for the Inactivation of Enveloped Viruses

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