Mostrar el registro sencillo del ítem
resumen
Resumen
A useful pectin-enriched fraction (PEF) extracted through high-power-ultrasound (HPUS) pretreatment and sodium carbonate was efficiently obtained from discarded carrots. Formerly, the effect of HPUS-power intensity and time (A: 40 min-2.08 W/cm2; B-E: 5–20 min ≈ 10 W/cm2) on carrot powder (CP) used for PEF-isolation, was investigated. Reducing carbohydrates-, cell-wall neutral sugars- (NS), uronic acids- (UA) of pectins, and protein releases increased
[ver mas...]
dc.contributor.author | Idrovo Encalada, Alondra Mariela | |
dc.contributor.author | Perez, Carolina Daiana | |
dc.contributor.author | Alzate Calderón, Paola | |
dc.contributor.author | Zukowski, Enzo | |
dc.contributor.author | Gerschenson, Lia Noemi | |
dc.contributor.author | Rojas, Ana Maria Luisa | |
dc.contributor.author | Fissore, Eliana Noemi | |
dc.date | info:eu-repo/date/embargoEnd/2020-03-18 | |
dc.date.accessioned | 2019-03-18T14:09:36Z | |
dc.date.available | 2019-03-18T14:09:36Z | |
dc.date.issued | 2019-03 | |
dc.identifier.issn | 0260-8774 | |
dc.identifier.other | https://doi.org/10.1016/j.jfoodeng.2019.03.007 | |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S0260877419300998 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/4636 | |
dc.description.abstract | A useful pectin-enriched fraction (PEF) extracted through high-power-ultrasound (HPUS) pretreatment and sodium carbonate was efficiently obtained from discarded carrots. Formerly, the effect of HPUS-power intensity and time (A: 40 min-2.08 W/cm2; B-E: 5–20 min ≈ 10 W/cm2) on carrot powder (CP) used for PEF-isolation, was investigated. Reducing carbohydrates-, cell-wall neutral sugars- (NS), uronic acids- (UA) of pectins, and protein releases increased with HPUS-energy. CP had antioxidant capacity, containing α- and β-carotene, lutein, α-tocopherol. Only HPUS B-E treatments (≈10 W/cm2) were capable to produce matrix disruption, promoting polymers' release. CP pretreated through selected E-treatment (20 min; ≈10 W/cm2) followed by 0.1M-Na2CO3 (1 h-stirring) extracted the whole pectin content of CP (UA = 14.0%). PEFs were orange, with co-extracted antioxidants. More substituted (1.27 NS/UA ratio) three lower molecular weights' components of HPUS-PEF produced higher Newtonian viscosity before shear-thinning, and calcium-crosslinked gels with lower elastic modulus (G’ = 12Pa). Sustainable HPUS/Na2CO3 method isolated efficiently an antioxidants-carrying PEF useful as functional food additive. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Elsevier | es_AR |
dc.rights | info:eu-repo/semantics/embargoedAccess | es_AR |
dc.source | Journal of Food Engineering Available online 11 March 2019 | es_AR |
dc.subject | Zanahoria | es_AR |
dc.subject | Carrots | eng |
dc.subject | Daucus Carota | es_AR |
dc.subject | Pectinas | es_AR |
dc.subject | Pectins | eng |
dc.subject | Antioxidantes | es_AR |
dc.subject | Antioxidants | eng |
dc.subject | Tratamiento con Ultrasonido | es_AR |
dc.subject | Ultrasonic Treatment | eng |
dc.subject | Carótenos | es_AR |
dc.subject | Carotenes | eng |
dc.title | High-power ultrasound pretreatment for efficient extraction of fractions enriched in pectins and antioxidants from discarded carrots (Daucus carota L.) | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/acceptedVersion | es_AR |
dc.description.origen | Instituto de Tecnología de Alimentos | es_AR |
dc.description.fil | Fil: Idrovo Encalada, Alondra Mariela. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Industrias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. | es_AR |
dc.description.fil | Fil: Perez, Carolina Daiana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Tecnología de Alimentos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Alzate Calderón, Paola. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Industrias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. | es_AR |
dc.description.fil | Fil: Zukowski, Enzo. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Industrias; Argentina. Agencia Nacional de Promoción Científica y Tecnológica, Argentina | es_AR |
dc.description.fil | Fil: Gerschenson, Lia Noemi. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Industrias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Rojas, Ana Maria Luisa. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Industrias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Fissore, Eliana Noemi. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Industrias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.subtype | cientifico |
Ficheros en el ítem
Este ítem aparece en la(s) siguiente(s) colección(ones)
common
-
Artículos científicos [185]