Note: Intro -- Preface -- Contents -- About the Editors -- Part I: Overview and Economic Aspect of Biosurfactants Production -- Biosurfactants: Types, Sources, and Production -- 1 Introduction -- 2 The Superiority of Biosurfactants Over Other Synthetic and Plant-Based Surfactants -- 3 Global Biosurfactant Market -- 4 Types of Biosurfactants -- 5 Sources of Production of Biosurfactants -- 6 Factors Affecting Biosurfactants Production -- 7 Challenges and Future Research Directions -- 8 Conclusion -- References -- Innovative and Sustainable Production Processes for Biosurfactants -- 1 Introduction -- 2 Sustainable Approaches to Biosurfactant Production in Submerged Fermentation Using Low-Cost Substrates -- 2.1 The Use of Renewable Resources for Glycolipids Production -- 2.2 The Use of Renewable Resources for Lipopeptide Production -- 2.3 Research Needs and Future Directions to Sustainable BS Production in Submerged Bioprocesses -- 3 Solid-State Fermentation as a Sustainable Technology for Biosurfactant Production -- 3.1 The Use of Food and Agro-industrial Wastes for Biosurfactant Production by SSF -- 3.2 Challenges and Perspectives -- 4 Genetically Enhanced and Hyper-Producing Recombinant Strains -- 5 Biosurfactant Co-production -- 6 Final Considerations -- References -- Sustainable Production of Biosurfactants Using Waste Substrates -- 1 Introduction -- 2 Biosurfactant Production from Wastes -- 2.1 Rhamnolipids -- 2.2 Lipopeptides -- 2.3 Sophorolipids -- 2.4 Other Biosurfactants -- 3 Discussion -- 4 Conclusions and Future Directions -- References -- Characterization and Purification of Biosurfactants -- 1 Introduction -- 2 Properties of Biosurfactants -- 2.1 Critical Micelle Concentration (CMC) -- 2.2 Temperature and pH Tolerance -- 2.3 Biodegradability -- 2.4 Specificity -- 2.5 Emulsion Forming/Breaking -- 2.6 Antiadhesive Agents. , 3 Classification of Microbial Biosurfactant -- 3.1 Glycolipids -- 3.2 Lipopeptide -- 3.3 Neutral Lipids, Fatty Acids, and Phospholipids -- 4 Factors Affecting Biosurfactants -- 4.1 Carbon Source in Biosurfactant Production -- 4.2 Nitrogen Source in Biosurfactant Production -- 4.3 pH -- 4.4 Aeration and Agitation -- 4.5 Salinity -- 5 Characterization of Biosurfactant -- 5.1 Biochemical Assays -- 5.2 Thin-Layer Chromatography/Purified Biosurfactant Fractions -- 5.3 Product Analysis by Liquid Chromatography-Mass Spectrometry (LC-MS) -- 5.4 Fourier Transform Infrared Spectroscopy (FTIR) -- 5.5 Gas Chromatography-Mass Spectrometry (GC-MS) -- 5.6 Electrospray Ionization Mass Spectrometry (ESI-MS) -- 5.7 High-Performance Liquid Chromatography (HPLC) -- 6 Extraction and Purification of Biosurfactant -- 7 Purification -- 8 Conclusion -- References -- Biodegradation and Cytotoxic Effects of Biosurfactants -- 1 Introduction -- 2 Molecular Weight-Based Categorization of Biosurfactants -- 2.1 Low-Molecular-Weight Biosurfactants -- 2.1.1 Glycolipids -- 2.1.1.1 Rhamnolipids -- 2.1.1.2 Sophorolipids -- 2.1.1.3 Trehalolipids -- 2.1.2 Phospholipids -- 2.1.3 Lipopeptides -- 2.2 High-Molecular-Weight Biosurfactants -- 2.2.1 Lipopolysaccharides and Amphipathic Polysaccharides -- 2.2.2 Lipoproteins -- 3 Biological Properties of Biosurfactants -- 4 Role of Biosurfactants in Biodegradation -- 5 In vitro Cytotoxic Effects of Biosurfactants -- 5.1 Breast Cancer -- 5.2 Colon Cancer -- 5.3 Leukemia -- 5.4 Liver Cancer -- 5.5 Other Cancer Types -- 6 Conclusion -- 7 Challenges and Future Prospects of Biosurfactants -- References -- Comparison of Biodegradability, and Toxicity Effect of Biosurfactants with Synthetic Surfactants -- 1 Introduction -- 2 The Environmental Impact of Synthetic Surfactants -- 3 Cytotoxicity of Surfactants and Biosurfactants. , 4 Biodegradation of Biosurfactants -- 5 Synthetic Surfactants and Biosurfactants in the Cosmetic Industry -- 6 Biosurfactants Applied in the Food Industry -- 7 Future Directions -- 8 Conclusions -- References -- Surface Activity and Emulsification Properties of Saponins as Biosurfactants -- 1 Introduction -- 2 Structure Diversity and Properties -- 3 Surface Properties of Saponins -- 4 Critical Micelle Concentration -- 5 Saponins as Biosurfactants -- 6 Saponin-Stabilized Nanoemulsions -- 7 Conclusion -- References -- Part II: Biosurfactants: Current Industrial Applications -- Biosurfactants as Emulsifying Agents in Food Formulation -- 1 Introduction -- 2 Roles of Additives and Importance of Biosurfactants in the Food Sector -- 2.1 Roles of Additives in the Food Sector -- 2.1.1 Freshness Maintenance -- 2.1.2 Safety Maintenance -- 2.1.3 Improving the Appearance and Texture -- 2.1.4 Maintenance and Improvement of Nutritional Value -- 2.2 Importance of Emulsifiers and Surfactants in the Food Sector -- 3 Biosurfactants in Food Formulations as the Emulsifiers -- 3.1 Food Formulations as Enhanced by Biosurfactants -- 3.2 Evacuating Heavy Metals from Foods Using Biosurfactants -- 3.3 Sanitations of Food Processing Using Biosurfactants -- 3.4 Biosurfactants as Food Additives -- 4 Conclusion -- References -- Application of Biosurfactants as Anti-Corrosive Agents -- 1 Introduction -- 2 An Introduction to Biosurfactants -- 3 Biosurfactants as Anti-Corrosive Agents for Corrosion -- 4 Biosurfactants as Biocides for Biocorrosion -- 5 Conclusion -- References -- Role of Biosurfactants in Nanoparticles Synthesis and their Stabilization -- 1 Introduction -- 1.1 Biosynthesis of Microbial Nanoparticles -- 2 Biosurfactants -- 2.1 Sources of Biosurfactants -- 2.2 Isolation and Selection of Biosurfactant-Producing Microbes -- 2.3 Use of Cheaper Substrates. , 3 Biosurfactants: Types, Structures, and Properties -- 3.1 Structure -- 3.2 Types -- 3.3 Properties -- 4 Advantages of Biosurfactants -- 5 Biological Synthesis of Nanoparticles -- 5.1 Biosurfactant-Mediated Nanoparticle Synthesis -- 5.2 Mechanism of Biosurfactant-Mediated Nanoparticle Synthesis -- 6 Role of Biosurfactants in Biosynthesis of Metallic Nanoparticles (Me-NPs) -- 7 Glycolipids Biosurfactants Produced Nanoparticles -- 7.1 Lipopeptides Biosurfactants Produced Nanoparticles -- 8 Chemical Surfactants and Nanoparticles -- 9 The Antimicrobial and Cellular Activity of Nanoparticles -- 10 Use of Lipoproteins and Lipopeptides in the Synthesis of Nanoparticles -- 11 Use of Glycolipopeptides, Glycopeptides, and Glycoproteins in the Formation of Nanoparticles -- 12 Conclusions and Future Perspective -- References -- New Trends in the Textile Industry: Utilization and Application of Biosurfactants -- 1 Textile Industry -- 2 Textile Effluent -- 2.1 Dye Toxicity -- 3 Conventional Treatment of Textile Industrial Effluents -- 4 Role of Biosurfactants in Promoting Environmental Sustainability -- 4.1 Application of Biosurfactant in the Textile Industry -- 5 Conclusion and Future Perspectives -- References -- Biosurfactants as an Eco-Friendly Technology in Heavy Metal Remediation -- 1 Environmental Contamination by Heavy Metals -- 2 Role of Biosurfactants in Metal Remediation -- 3 Mechanism of the Process of Heavy Metals Removal by Biosurfactants -- 4 Applications of the Process -- 5 Biosurfactants in Co-Contaminated Sites Remediation -- 6 Patents of Biosurfactants for Application in the Removal of Heavy Metals -- 7 Conclusion and Future Perspectives -- References -- Biosurfactants and Their Perspectives for Application in Drug Adsorption -- 1 Introduction -- 2 Characteristics of Biosurfactants. , 3 General Concepts of the Adsorption Technique in the Liquid Phase -- 4 Influence of Biosurfactants on Drug Adsorption -- 5 Conclusion and Future Perspectives -- References -- Role of Biosurfactants in Promoting Biodegradation in Waste Treatment -- 1 Introduction -- 2 Waste Management -- 2.1 Toxicity of Waste Containing Hazardous Pollutants -- 3 Bioremediation in Waste Management and Treatment -- 3.1 Land Treatment -- 3.2 Composting/Biopile -- 3.3 Bio-slurry Treatment -- 4 Microbial Degradation of Organic Pollutants Found in Waste -- 5 The Processes Involved in the Biodegradation of Hydrocarbons -- 5.1 Factors Affecting the Rate of Degradation -- 6 Role of Surfactants in the Degradation of Organic Pollutants -- 6.1 Classification and Properties of Surfactants -- 6.2 Toxicity of Surfactants and Biosurfactants -- 6.3 Types of Biosurfactants and Biosurfactant Producing Microorganisms -- 7 Conclusion -- References -- Role of Biosurfactants in Agriculture Management -- 1 Introduction -- 2 Unique Properties of Biosurfactants -- 3 Role of Biosurfactants in Biofilm Formation and Root Colonization -- 4 Potential of Biosurfactants as Antifungal Agents -- 5 Mechanism for Antimicrobial Action -- 6 Role of Biosurfactants in Nutrient Bioavailability in the Soil -- 7 Biosurfactants in Pesticide Degradation and Soil Rehabilitation -- 8 Conclusion and Future Prospects -- 9 Commercial Resources of Biosurfactants -- 10 Suggested Reviewers. -- References -- Biosurfactants and Their Benefits for Seeds -- 1 Introduction -- 2 Antimicrobial Properties -- 3 Stimulation of Plant Immunity -- 4 Bioremediation Properties -- 5 Non-phytotoxicity of Biosurfactants -- 6 Potent Plant Growth Promoter -- 7 Synergistic Action of Biosurfactants -- 8 Conclusion -- 9 Companies, Organizations, and Research Groups Working on the Topic -- References. , Role of Biosurfactants in Marine Sediment Remediation of Organic Pollutants.