Current perspective of sustainable surfactants based on renewable building blocks

Bhadani, Avinash; Kafle, Ananda; Ogura, Taku; Akamatsu, Masaaki; Sakai, Kenichi; Sakai, Hideki; Abe, Masahiko

doi:10.1016/j.cocis.2020.01.002

Cited by 85 publications

(58 citation statements)

References 76 publications

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“…e conventional surfactant manufacturing process is based on petrochemical sources or a mixture of petrochemical and renewable sources [67]. However, the need for renewable, sustainable, and biodegradable production of biosurfactant is increasing due to the depletion of petroleum and the environmental impact of petrochemical-based surfactants.…”

Section: Leather Waste In Biosurfactant Synthesis and Applicationmentioning

confidence: 99%

A Review on Utilization Routes of the Leather Industry Biomass

Ayele

Limeneh

Tesfaye

et al. 2021

Advances in Materials Science and Engineering

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The use of biomass to produce bioenergy and biomaterials is considered a sustainable alternative to depleting fossil fuel resources. The world tanneries consume 8–9 MT of skin and hide every year producing 1.4 MT of solid waste. Most of the solid biomass generated from tanneries is disposed of as waste in the environment using either landfilling or thermal incineration. Disposal of this waste into the environment affects the ecosystem, causing bad odor (air pollution) and has an antagonistic impact on the environment. Due to this, European Union legislation bans the landfilling of biomass. This study aims to comprehensively review the possible valorization routes of leather processing industry biomass into high-value biomaterials. Leather biomass (trimmings, shaving, splitting, and buffing dust) mainly contain 30%–35% collagen protein, which is produced by acid or alkali hydrolysis. The biopolymers obtained from leather industry biomass can be utilized in the production of several high-value materials. In addition, leather processing industry biomass also contains fat, which can be converted into a bio-surfactant, and other useful biomaterials. Keratin protein can also be extracted from the hair waste of hides and skins. The increased demand for biomaterials makes the using of leather industry biomass very attractive. From this study, it can be concluded that the conversions of leather processing industry waste to valuable biomaterial can protect the environment, generate additional income for leather industries, and pave way for sustainable and renewable biomaterials production.

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Section: Leather Waste In Biosurfactant Synthesis and Applicationmentioning

confidence: 99%

A Review on Utilization Routes of the Leather Industry Biomass

Ayele

Limeneh

Tesfaye

et al. 2021

Advances in Materials Science and Engineering

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“…A concern to look for new alternatives, focusing on ecofriendly [ 7 ] and biobased polymeric surfactants [ 8 ], is increasingly growing, while biodegradability and sustainability are requirements that led to the development of technologies involving microbial sources. In addition to high biodegradability, they should also be environmentally safe and easily produced.…”

Section: Introductionmentioning

confidence: 99%

Biosurfactants: Properties and Applications in Drug Delivery, Biotechnology and Ecotoxicology

et al. 2021

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Surfactants are amphiphilic compounds having hydrophilic and hydrophobic moieties in their structure. They can be of synthetic or of microbial origin, obtained respectively from chemical synthesis or from microorganisms’ activity. A new generation of ecofriendly surfactant molecules or biobased surfactants is increasingly growing, attributed to their versatility of applications. Surfactants can be used as drug delivery systems for a range of molecules given their capacity to create micelles which can promote the encapsulation of bioactives of pharmaceutical interest; besides, these assemblies can also show antimicrobial properties. The advantages of biosurfactants include their high biodegradability profile, low risk of toxicity, production from renewable sources, functionality under extreme pH and temperature conditions, and long-term physicochemical stability. The application potential of these types of polymers is related to their properties enabling them to be processed by emulsification, separation, solubilization, surface (interfacial) tension, and adsorption for the production of a range of drug delivery systems. Biosurfactants have been employed as a drug delivery system to improve the bioavailability of a good number of drugs that exhibit low aqueous solubility. The great potential of these molecules is related to their auto assembly and emulsification capacity. Biosurfactants produced from bacteria are of particular interest due to their antibacterial, antifungal, and antiviral properties with therapeutic and biomedical potential. In this review, we discuss recent advances and perspectives of biosurfactants with antimicrobial properties and how they can be used as structures to develop semisolid hydrogels for drug delivery, in environmental bioremediation, in biotechnology for the reduction of production costs and also their ecotoxicological impact as pesticide alternative.

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“…Scientific investigations on sustainable processes in nanoemulsion formulations as kinetically stable oil-water dispersions with droplet size 20–500 nm [ 1 , 2 , 3 ], and progress in technologies for eco-friendly and non-toxic materials became the driving forces for the growing interest in using surfactants with a more “green” nature [ 4 , 5 ]. Recently, this group of “greener” semi-synthetic materials has experienced significant development in Europe and North America as a result of increasing applications in personal care, pharmaceutics, and agrochemicals.…”

Section: Introductionmentioning

confidence: 99%

“…This “vegan” friendly product, classified as amphoteric or zwitterionic surfactant, has low skin and ocular irritation properties and is not affected by water hardness, producing excellent foam with good stability in soft and hard water [ 7 , 8 ]. The second approach consists of the application of completely natural bio-based products, involving sustainable fabrication of biosurfactant-secondary metabolites produced at the end of the exponential growth phase of microorganisms, as a more necessary biotechnological alternative [ 5 , 6 , 9 ]. Biosurfactants, also known as microbial surfactants, are generally considered less toxic and more biodegradable, exhibiting similar functionalities to synthetic analogues, while they can be obtained from renewable sources.…”

Section: Introductionmentioning

confidence: 99%

Design and Engineering of “Green” Nanoemulsions for Enhanced Topical Delivery of Bakuchiol Achieved in a Sustainable Manner: A Novel Eco-Friendly Approach to Bioretinol

Lewińska

Domżał-Kędzia

Maciejczyk

et al. 2021

IJMS

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In the present work, we establish novel “environmentally-friendly” oil-in-water nanoemulsions to enhance the transdermal delivery of bakuchiol, the so-called “bioretinol” obtained from powdered Psoralea corylifolia seeds via a sustainable process, i.e., using a supercritical fluid extraction approach with pure carbon dioxide (SC-CO2). According to Green Chemistry principles, five novel formulations were stabilized by “green” hybrid ionic surfactants such as coco-betaine—surfactin molecules obtained from coconut and fermented rapeseed meal. Preliminary optimization studies involving three dispersion stability tests, i.e., centrifugation, heating, and cooling cycles, indicated the most promising candidates for further physicochemical analysis. Finally, nanoemulsion colloidal characterization provided by scattering (dynamic and electrophoretic light scattering as well as backscattering), microscopic (transmission electron and confocal laser scanning microscopy), and spectroscopic (UV–Vis spectroscopy) methods revealed the most stable nanocarrier for transdermal biological investigation. In vitro, topical experiments provided on human skin cell line HaCaT keratinocytes and normal dermal NHDF fibroblasts indicated high cell viability upon treatment of the tested formulation with a final 0.02–0.2 mg/mL bakuchiol concentration. This excellent biocompatibility was confirmed by ex vivo and in vivo tests on animal and human skin tissue. The improved permeability and antiaging potential of the bakuchiol-encapsulated rich extract were observed, indicating that the obtained ecological nanoemulsions are competitive with commercial retinol formulations.

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Current perspective of sustainable surfactants based on renewable building blocks

Cited by 85 publications

References 76 publications

A Review on Utilization Routes of the Leather Industry Biomass

A Review on Utilization Routes of the Leather Industry Biomass

Biosurfactants: Properties and Applications in Drug Delivery, Biotechnology and Ecotoxicology

Design and Engineering of “Green” Nanoemulsions for Enhanced Topical Delivery of Bakuchiol Achieved in a Sustainable Manner: A Novel Eco-Friendly Approach to Bioretinol

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