Mostrar el registro sencillo del ítem
dc.contributor.author
Leiva, Graciela Edith
dc.contributor.author
Segatin, Natasa
dc.contributor.author
Mazzobre, Maria Florencia
dc.contributor.author
Abramovich, H.
dc.contributor.author
Abram, V.
dc.contributor.author
Vidrih, R.
dc.contributor.author
Buera, Maria del Pilar
dc.contributor.author
Poklar, Ulrih N
dc.date.available
2018-09-17T19:36:20Z
dc.date.issued
2015-12
dc.identifier.citation
Leiva, Graciela Edith; Segatin, Natasa; Mazzobre, Maria Florencia; Abramovich, H.; Abram, V.; et al.; Multi-analytical Approach to Oxidative Stability of Unrefined Argan, Chia, Rosa Mosqueta and Olive Oils; OMICS International; Nutrition & Food Science; 6; 1; 12-2015; 1-7
dc.identifier.issn
2155-9600
dc.identifier.uri
http://hdl.handle.net/11336/59961
dc.description.abstract
Fresh, unrefined argan (AR), chia (CH), rosa mosqueta (RM) and olive (OL) oils were evaluated for thermal stability with dielectric spectroscopy, differential scanning calorimetry, peroxide values (PV) and free fatty acids (FFAs). The dielectric constant (E´), dielectric loss (E´´), and melting temperature (Tm) of the oils correlated with degree of unsaturation, with the highest static dielectric constant (εs´) for CH oil (3.311), the most unsaturated. AR and CHoils showed the highest electrical conductivities at 500 Hz (505, 230 pS/m, respectively), and CH and RM oils the lowest Tm (-41.0, -36.6°C, respectively). All oils stored at 65°C for 432 hr showed minor changes in εs´. After 180°Cfor 28 h, εs´ and ε´´ increased from 5% to 7%. Initial PVs of these oils were <3.7 mmol O2/kg, and for highly unsaturated CH oil this increased to 221 mmol O2/kg after 65°C for 432 hr. At 180°C, the FFAs increased in all oils,except AR oil. Oxidation onset temperature of the oils correlated with PVs after 65°C for 432 h (r=-0.91) and with FFAs and εs´ after 180°C for 28 hr (r=-0.81, -0.83, respectively).
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
OMICS International
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
UNREFINED OIL
dc.subject
ARGAN
dc.subject
CHIA
dc.subject
ROSA MOSQUETA
dc.subject
OLIVE OIL
dc.subject
OXIDATIVE STABILITY
dc.subject
DIELECTRIC CONSTANT
dc.subject
DIFFERENTIAL SCANNING CALORIMETRY
dc.subject
PEROXIDE VALUE
dc.subject.classification
Otras Ciencias Químicas
dc.subject.classification
Ciencias Químicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Multi-analytical Approach to Oxidative Stability of Unrefined Argan, Chia, Rosa Mosqueta and Olive Oils
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-09-13T13:14:15Z
dc.journal.volume
6
dc.journal.number
1
dc.journal.pagination
1-7
dc.journal.pais
Reino Unido
dc.journal.ciudad
Inglaterra
dc.description.fil
Fil: Leiva, Graciela Edith. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Orgánica; Argentina
dc.description.fil
Fil: Segatin, Natasa. University of Ljubljana; Eslovenia
dc.description.fil
Fil: Mazzobre, Maria Florencia. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Industrias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Abramovich, H.. University of Ljubljana; Eslovenia
dc.description.fil
Fil: Abram, V.. University of Ljubljana; Eslovenia
dc.description.fil
Fil: Vidrih, R.. University of Ljubljana; Eslovenia
dc.description.fil
Fil: Buera, Maria del Pilar. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Orgánica; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Industrias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Poklar, Ulrih N. University of Ljubljana; Eslovenia
dc.journal.title
Nutrition & Food Science
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.4172/2155-9600.1000450
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.omicsonline.org/open-access/multianalytical-approach-to-oxidative-stability-of-unrefined-argan-chiarosa-mosqueta-and-olive-oils-2155-9600-1000450.php?aid=66516
Archivos asociados