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dc.contributor.author
Cantarelli, Miguel Angel
dc.contributor.author
Funes, Israel German Aristoteles
dc.contributor.author
Marchevsky, Eduardo Jorge
dc.contributor.author
Camiña, José Manuel
dc.date.available
2019-08-14T14:36:16Z
dc.date.issued
2009-12
dc.identifier.citation
Cantarelli, Miguel Angel; Funes, Israel German Aristoteles; Marchevsky, Eduardo Jorge; Camiña, José Manuel; Determination of oleic acid in sunflower seeds by infrared spectroscopy and multivariate calibration method; Elsevier Science; Talanta; 80; 2; 12-2009; 489-492
dc.identifier.issn
0039-9140
dc.identifier.uri
http://hdl.handle.net/11336/81595
dc.description.abstract
A method for the determination of oleic acid in sunflower seeds is proposed. One hundred samples of sunflower seeds were analyzed by near-infrared diffuse reflectance spectroscopy (NIRDRS). The direct measures were realized in ground and sifted seeds. The PLS multivariate calibration model was obtained using first derivate absorbance values as response matrix, while the oleic acid concentration matrix was obtained analyzing the seed samples by gas chromatography with a flame ionization detector (GC-FID). The NIRDRS-PLS model was validated externally using unknown samples of sunflower seeds. The accuracy and precision of the method was evaluated using GC as reference method. The following figures of merit (FOM) were obtained: LOD = 3.4% (w/w); LOQ = 11.3% (w/w); SEN = 8 × 10-5; SEL = 0.15; analytical sensibility (γ) = 1.5 and linear range (LR) = 18.1-89.2% (w/w). This method is useful for the fast determination of oleic acid in sunflower seeds and for quality control of raw materials.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Infrared Spectroscopy
dc.subject
Oleic Acid
dc.subject
Pls
dc.subject
Seed
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Sunflower
dc.subject.classification
Química Analítica
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Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Determination of oleic acid in sunflower seeds by infrared spectroscopy and multivariate calibration method
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-08-13T19:15:19Z
dc.journal.volume
80
dc.journal.number
2
dc.journal.pagination
489-492
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Cantarelli, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Funes, Israel German Aristoteles. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Gente de La Pampa S.A.; Argentina
dc.description.fil
Fil: Marchevsky, Eduardo Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
dc.description.fil
Fil: Camiña, José Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales; Argentina
dc.journal.title
Talanta
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0039914009005724
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.talanta.2009.07.004
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