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Synergistic microwave and acidic deep eutectic solvent-based pretreatment of Theobroma cacao pod husk biomass for xylooligosaccharides production.
Yadav, Aditya; Sharma, Vishal; Tsai, Mei-Ling; Sharma, Diksha; Nargotra, Parushi; Chen, Chiu-Wen; Sun, Pei-Pei; Dong, Cheng-Di.
Affiliation
  • Yadav A; Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
  • Sharma V; Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
  • Tsai ML; Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
  • Sharma D; Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
  • Nargotra P; Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
  • Chen CW; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan; Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
  • Sun PP; Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
  • Dong CD; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan; Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan. Electronic address: cddong@nkust.edu.tw.
Bioresour Technol ; 400: 130702, 2024 May.
Article in En | MEDLINE | ID: mdl-38615968
ABSTRACT
The bioconversion of lignocellulosic biomass into novel bioproducts is crucial for sustainable biorefineries, providing an integrated solution for circular economy objectives. The current study investigated a novel microwave-assisted acidic deep eutectic solvent (DES) pretreatment of waste cocoa pod husk (CPH) biomass to extract xylooligosaccharides (XOS). The sequential DES (choline chloride/citric acid, molar ratio 11) and microwave (450W) pretreatment of CPH biomass was effective in 67.3% xylan removal with a 52% XOS yield from total xylan. Among different XOS of varying degrees of polymerization, a higher xylobiose content corresponding to 69.3% of the total XOS (68.22 mg/g CPH) from liquid fraction was observed. Enzymatic hydrolysis of residual xylan from pretreated CPH biomass with low commercial xylanase (10 IU/g) concentration yielded 24.2% XOS. The MW-ChCl/citric acid synergistic pretreatment approach holds great promise for developing a cost-effective and environmentally friendly method contributing to the sustainable production of XOS from agricultural waste streams.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Oligosaccharides / Cacao / Biomass / Deep Eutectic Solvents / Glucuronates / Microwaves Language: En Journal: Bioresour Technol Journal subject: ENGENHARIA BIOMEDICA Year: 2024 Document type: Article Affiliation country: Taiwan
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Oligosaccharides / Cacao / Biomass / Deep Eutectic Solvents / Glucuronates / Microwaves Language: En Journal: Bioresour Technol Journal subject: ENGENHARIA BIOMEDICA Year: 2024 Document type: Article Affiliation country: Taiwan