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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Muñoz-Muñoz, Ana Celia Gutiérrez-Pulido, Humberto Cervantes-Martínez, Jesús Grenier, Adam Charles |
| Description | Country affiliation: Mexico Author Affiliation: Muñoz-Muñoz AC ( Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Av. Normalistas 800, 44270 Guadalajara, Jalisco, Mexico.) |
| Abstract | A solid-phase extraction procedure followed by analysis by high performance liquid chromatography (HPLC) with UV-vis photodiode array detection (DAD) is proposed to simultaneously determine 11 aging markers in tequila. The method showed good intraday (n=5) and interday (n=3) precision, RSD<1.6% in both cases, for each of the identified compounds. The calibration curves were linear at the tested ranges (R(2)>0.999). Good recoveries (84.2-108.5%) were obtained for 10 of the 11 compounds studied; and the LOD and LOQ ranged from 0.62 to 4.09 microg/mL and 1.9-12.4 microg/mL, respectively. The proposed methodology was applied to a set of 15 authentic tequila samples grouped by aging state (blanco, reposado and añejo). An ANOVA analysis combined with discriminant analysis with stepwise backward variable selection was used to differentiate between the various aging groups based on their oak related compounds content. |
| ISSN | 00219673 |
| Issue Number | 2 |
| Volume Number | 1213 |
| e-ISSN | 18733778 |
| Journal | Journal of Chromatography A |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2008-12-12 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Alcoholic Beverages Analysis Chromatography, High Pressure Liquid Methods Phenols Biological Markers Calibration Reproducibility Of Results Solid Phase Extraction Time Factors Journal Article Validation Studies Discipline Analytical Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Medicine Analytical Chemistry Biochemistry |
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