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Optimization of supercritical carbon dioxide pretreatment of Flaveria bidentis leaves prior extraction of sulfated flavonoids with subcritical water

Falletti, Paulina et al · Elsevier Science · 2024

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Flaveria bidentis is an invasive plant containing Sulfated Flavonoids (SFs) with therapeutic potential. The extraction of these compounds would add value to the biomass generated during weeding. This work reports the optimization of the pretreatment of F. bidentis leaves with supercritical CO2 (P-SC-CO2) prior extraction of these compounds using subcritical water extraction. The combined effect of different levels of the three factors on PSC-CO2, Time, Pressure and Depressurization rate, was investigated with Response Surface Method optimal pretreatment conditions were as follows: Time = 30 min, Pressure = 30 MPa and Depressurization rate = 2 kg CO2/h. Under these conditions, 72.45 ± 0.99 mg of totals SFs/100 g of leaves was recovered, practically doubling total SFs extraction yield in the absence of pretreatment. In addition, the structural damage caused by P-SC-CO2 on the leaves was detected using Scanning Electron Microscopy. Fil: Falletti, Paulina. Universidad Nacional de Córdoba. Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada; Argentina Fil: Barrera Vazquez, Maria Fernanda. Universidad Nacional de Córdoba. Facultad de Cs.exactas Físicas y Naturales. Departamento de Química Industrial y Aplicada; Argentina. Universidad Nacional de Córdoba. Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada; Argentina

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APA 7

Falletti, P. E. A. (2024). Optimization of supercritical carbon dioxide pretreatment of Flaveria bidentis leaves prior extraction of sulfated flavonoids with subcritical water. http://hdl.handle.net/11336/266824

MLA

Falletti, Paulina et al. "Optimization of supercritical carbon dioxide pretreatment of Flaveria bidentis leaves prior extraction of sulfated flavonoids with subcritical water." 2024. http://hdl.handle.net/11336/266824.

Chicago

Falletti, Paulina et al. 2024. "Optimization of supercritical carbon dioxide pretreatment of Flaveria bidentis leaves prior extraction of sulfated flavonoids with subcritical water.". http://hdl.handle.net/11336/266824.

Harvard

Falletti, P. E. A. 2024, Optimization of supercritical carbon dioxide pretreatment of Flaveria bidentis leaves prior extraction of sulfated flavonoids with subcritical water, Elsevier Science, available at: http://hdl.handle.net/11336/266824 [Accessed 9 Aug. 2026].

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Titolo
Optimization of supercritical carbon dioxide pretreatment of Flaveria bidentis leaves prior extraction of sulfated flavonoids with subcritical water
Autore / collaboratori
Falletti, Paulina et al
Editore
Elsevier Science
Anno di pubblicazione
2024
ISSN
0896-8446
ISSN
0896-8446
Lingua
Inglés

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