Article ; Online: Green solid-liquid extraction of cactus (Opuntia ficus-indica) cladode dietary fibers. I- optimization, pilot-scale production, and characterization.
2023 Volume 670, Page(s) 115139
Abstract: In this research work, an optimization of an environment friendly extraction method of cactus (Opuntia ficus indica) cladode dietary fibers was conducted. For this purpose, a central composite experimental design with two factors (temperature and time) ... ...
| Abstract | In this research work, an optimization of an environment friendly extraction method of cactus (Opuntia ficus indica) cladode dietary fibers was conducted. For this purpose, a central composite experimental design with two factors (temperature and time) and five levels was established. The basic objective of this optimization was to maximize fiber yield using hot water as an extraction eco-solvent. The optimum extraction time (330 min) and temperature (100 °C) were determined with a constant medium agitation rate. Additionally, this study also aimed at establishing the validation of the statistical model to carry out the extrapolation of the extraction process at the pilot scale. The fibers extracted at the pilot scale showed yields (45.2 ± 0.01%) in agreement with those obtained through the optimization and validation lab-scale steps (44.97 ± 0.02). Fourier Transform Infrared (FTIR) spectroscopy, X-ray Diffraction (XRD) and Scanning electron microscopy (SEM) analysis were conducted to investigate the structure and microstructure of pilot scale-produced fibers. FTIR spectrum and XRD pattern were typical to lignocellulosic fibers results. Sharp and thin peaks characteristic of cellulose were detected. Pure and crystallized phases were recorded with a 45% crystallinity index. SEM analysis presented elongated and organized cells with a uniform structure comparable to cellulosic fibers microstructure. |
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| MeSH term(s) | Opuntia/chemistry ; Dietary Fiber/analysis ; Cellulose ; Plant Extracts/chemistry ; Microscopy, Electron, Scanning |
| Chemical Substances | Dietary Fiber ; Cellulose (9004-34-6) ; Plant Extracts |
| Language | English |
| Publishing date | 2023-04-04 |
| Publishing country | United States |
| Document type | Journal Article ; Research Support, Non-U.S. Gov't |
| ZDB-ID | 1110-1 |
| ISSN | 1096-0309 ; 0003-2697 |
| ISSN (online) | 1096-0309 |
| ISSN | 0003-2697 |
| DOI | 10.1016/j.ab.2023.115139 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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