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Miao Y, To MH, Siddiqui MA, Wang H, Lodens S, Chopra SS, Kaur G, Roelants SLKW, Lin CSK. Sustainable biosurfactant production from secondary feedstock-recent advances, process optimization and perspectives. Front Chem 2024; 12:1327113. [PMID: 38312346 PMCID: PMC10834756 DOI: 10.3389/fchem.2024.1327113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 01/04/2024] [Indexed: 02/06/2024] Open
Abstract
Biosurfactants have garnered increased attention lately due to their superiority of their properties over fossil-derived counterparts. While the cost of production remains a significant hurdle to surpass synthetic surfactants, biosurfactants have been anticipated to gain a larger market share in the coming decades. Among these, glycolipids, a type of low-molecular-weight biosurfactant, stand out for their efficacy in reducing surface and interfacial tension, which made them highly sought-after for various surfactant-related applications. Glycolipids are composed of hydrophilic carbohydrate moieties linked to hydrophobic fatty acid chains through ester bonds that mainly include rhamnolipids, trehalose lipids, sophorolipids, and mannosylerythritol lipids. This review highlights the current landscape of glycolipids and covers specific glycolipid productivity and the diverse range of products found in the global market. Applications such as bioremediation, food processing, petroleum refining, biomedical uses, and increasing agriculture output have been discussed. Additionally, the latest advancements in production cost reduction for glycolipid and the challenges of utilizing second-generation feedstocks for sustainable production are also thoroughly examined. Overall, this review proposes a balance between environmental advantages, economic viability, and societal benefits through the optimized integration of secondary feedstocks in biosurfactant production.
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Affiliation(s)
- Yahui Miao
- School of Energy and Environment, City University of Hong Kong, Kowloon, China
| | - Ming Ho To
- School of Energy and Environment, City University of Hong Kong, Kowloon, China
| | - Muhammad Ahmar Siddiqui
- School of Energy and Environment, City University of Hong Kong, Kowloon, China
- Branch of Chinese National Engineering Research Center for Control and Treatment of Heavy Metal Pollution, The Hong Kong University of Science and Technology, Kowloon, China
| | - Huaimin Wang
- McKetta Department of Chemical Engineering, Cockrell School of Engineering, The University of Texas at Austin, Austin, United States
| | - Sofie Lodens
- Bio Base Europe Pilot Plant, Ghent, Belgium
- Centre for Industrial Biotechnology and Biocatalysis (InBio.be), Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Shauhrat S Chopra
- School of Energy and Environment, City University of Hong Kong, Kowloon, China
| | - Guneet Kaur
- School of Engineering, University of Guelph, Guelph, ON, Canada
| | - Sophie L K W Roelants
- Bio Base Europe Pilot Plant, Ghent, Belgium
- Centre for Industrial Biotechnology and Biocatalysis (InBio.be), Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Carol Sze Ki Lin
- School of Energy and Environment, City University of Hong Kong, Kowloon, China
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