dc.creator | Culzoni, Maria Julia | |
dc.creator | Schenone, Agustina Violeta | |
dc.creator | Llamas, Natalia Elizabeth | |
dc.creator | Garrido, Mariano Enrique | |
dc.creator | Di Nezio, Maria Susana | |
dc.creator | Fernández Band, Beatriz Susana | |
dc.creator | Goicoechea, Hector Casimiro | |
dc.date.accessioned | 2020-10-12T11:50:11Z | |
dc.date.accessioned | 2022-10-15T09:54:25Z | |
dc.date.available | 2020-10-12T11:50:11Z | |
dc.date.available | 2022-10-15T09:54:25Z | |
dc.date.created | 2020-10-12T11:50:11Z | |
dc.date.issued | 2009-09 | |
dc.identifier | Culzoni, Maria Julia; Schenone, Agustina Violeta; Llamas, Natalia Elizabeth; Garrido, Mariano Enrique; Di Nezio, Maria Susana; et al.; Fast chromatographic method for the determination of dyes in beverages by using high performance liquid chromatography-Diode array detection data and second order algorithms; Elsevier Science; Journal of Chromatography - A; 1216; 42; 9-2009; 7063-7070 | |
dc.identifier | 0021-9673 | |
dc.identifier | http://hdl.handle.net/11336/115723 | |
dc.identifier | CONICET Digital | |
dc.identifier | CONICET | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/4372730 | |
dc.description.abstract | A fast chromatographic methodology is presented for the analysis of three synthetic dyes in non-alcoholic beverages: amaranth (E123), sunset yellow FCF (E110) and tartrazine (E102). Seven soft drinks (purchased from a local supermarket) were homogenized, filtered and injected into the chromatographic system. Second order data were obtained by a rapid LC separation and DAD detection. A comparative study of the performance of two second order algorithms (MCR-ALS and U-PLS/RBL) applied to model the data, is presented. Interestingly, the data present time shift between different chromatograms and cannot be conveniently corrected to determine the above-mentioned dyes in beverage samples. This fact originates the lack of trilinearity that cannot be conveniently pre-processed and can hardly be modelled by using U-PLS/RBL algorithm. On the contrary, MCR-ALS has shown to be an excellent tool for modelling this kind of data allowing to reach acceptable figures of merit. Recovery values ranged between 97% and 105% when analyzing artificial and real samples were indicative of the good performance of the method. In contrast with the complete separation, which consumes 10 mL of methanol and 3 mL of 0.08 mol L-1 ammonium acetate, the proposed fast chromatography method requires only 0.46 mL of methanol and 1.54 mL of 0.08 mol L-1 ammonium acetate. Consequently, analysis time could be reduced up to 14.2% of the necessary time to perform the complete separation allowing saving both solvents and time, which are related to a reduction of both the costs per analysis and environmental impact. | |
dc.language | eng | |
dc.publisher | Elsevier Science | |
dc.relation | info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.chroma.2009.08.077 | |
dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | |
dc.rights | info:eu-repo/semantics/restrictedAccess | |
dc.subject | BEVERAGES SAMPLES | |
dc.subject | DYES | |
dc.subject | HPLC-DAD | |
dc.subject | MULTIVARIATE CURVE RESOLUTION ALTERNATING LEAST SQUARES | |
dc.subject | RESIDUAL BILINEARIZATION | |
dc.subject | SECOND ORDER ADVANTAGE | |
dc.title | Fast chromatographic method for the determination of dyes in beverages by using high performance liquid chromatography-Diode array detection data and second order algorithms | |
dc.type | info:eu-repo/semantics/article | |
dc.type | info:ar-repo/semantics/artículo | |
dc.type | info:eu-repo/semantics/publishedVersion | |