High molecular weight bioemulsifiers, main properties and potential environmental and biomedical applications

World Journal of Microbiology & Biotechnology
Inès Mnif, Dhouha Ghribi

Abstract

High molecular weight bioemulsifiers are amphipathic polysaccharides, proteins, lipopolysaccharides, lipoproteins, or complex mixtures of these biopolymers, produced by a wide variety of microorganisms. They are characterized by highly structural diversity and have the ability to decrease the surface and interfacial tension at the surface and interface respectively and/or emulsify hydrophobic compounds. Emulsan, fatty acids, phospholipids, neutral lipids, exopolysaccharides, vesicles and fimbriae are among the most popular high molecular weight bioemulsifiers. They have great physic-chemical properties like tolerance to extreme conditions of pH, temperature and salinity, low toxicity and biodegradability. Owing their emulsion forming and breaking capacities, solubilization, mobilization and dispersion activities and their viscosity reduction activity; they possess great environmental application as enhancer of hydrocarbon biodegradation and for microbial enhanced oil recovery. Besides, they are applied in biomedical fields for their antimicrobial and anti-adhesive activities and involvement in immune responses.

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Citations

Jun 27, 2018·Microbial Biotechnology·Alexander BollingerKarl-Erich Jaeger
Jul 20, 2018·Advanced Pharmaceutical Bulletin·Mahmood Alizadeh-SaniAli Ehsani
Jan 16, 2021·Journal of Colloid and Interface Science·Bhagya YatipanthalawaGregory J O Martin
Mar 7, 2021·Marine Drugs·Marine RemizeEdith Filaire
Oct 10, 2020·Current Drug Metabolism·Shubham ThakurSubheet Kumar Jain

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