| Title: | Determination of volatile compounds in cider apple juices using a covalently bonded ionic liquid coating as the stationary phase in gas chromatography |
| Author(s): | Pello-Palma J; Gonzalez-Alvarez J; Gutierrez-Alvarez MD; Dapena de la Fuente E; Mangas-Alonso JJ; Mendez-Sanchez D; Gotor-Fernandez V; Arias-Abrodo P; |
| Address: | "Department of Physical and Analytical Chemistry, University of Oviedo, Avenida Julian Claveria 8, 33006, Oviedo, Spain. Department of Physical and Analytical Chemistry, University of Oviedo, Avenida Julian Claveria 8, 33006, Oviedo, Spain. gonzalezalvarezjaime@gmail.com. Servicio Regional de Investigacion y Desarrollo Agroalimentario (SERIDA), Carretera de Oviedo s/n, 33300, Villaviciosa, Spain. Department of Organic and Inorganic Chemistry, University of Oviedo, Avenida Julian Claveria 8, 33006, Oviedo, Spain. Department of Physical and Analytical Chemistry, University of Oviedo, Avenida Julian Claveria 8, 33006, Oviedo, Spain. piarab@uniovi.es" |
| DOI: | 10.1007/s00216-017-0250-9 |
| ISSN/ISBN: | 1618-2650 (Electronic) 1618-2642 (Linking) |
| Abstract: | "A chromatographic method for the separation of volatile compounds in Asturian cider apple juices has been developed. For this separation purpose, a monocationic imidazolium-based ionic liquid bearing a reactive terminal iodine atom was synthesized by a quaternization-anion exchange chemical sequence. Next, the gas chromatography (GC) stationary phase was prepared by covalently linking the imidazolium monolith to the reactive silanol groups of the inner capillary wall at 70 degrees C. This coated GC column exhibited good thermal stability (290 degrees C), as well as good efficiency (2000 plates/m) in the separation of volatile compounds from Asturian apple cider juices, and was characterized using the Abraham solvation parameter model. The intra-day and inter-day precision of the chromatographic method was evaluated, obtaining relative standard deviations from 3.7 to 12.9% and from 7.4 to 18.0%, respectively. Furthermore, recoveries from 82.5 to 122% were achieved. Graphical Abstract Covalent bonding of an ionic liquid to inner column wall led to a great improvement of the separation efficiencies of stationary phases in gas chromatography" |
| Keywords: | "Chromatography, Gas/*methods Food Analysis/*methods Fruit and Vegetable Juices/*analysis Ionic Liquids/*chemistry Liquid Phase Microextraction/*methods Malus/*chemistry Phase Transition Reproducibility of Results Sensitivity and Specificity Volatile Organ;" |
| Notes: | "MedlinePello-Palma, Jairo Gonzalez-Alvarez, Jaime Gutierrez-Alvarez, Maria Dolores Dapena de la Fuente, Enrique Mangas-Alonso, Juan Jose Mendez-Sanchez, Daniel Gotor-Fernandez, Vicente Arias-Abrodo, Pilar eng Evaluation Study Germany 2017/03/03 Anal Bioanal Chem. 2017 Apr; 409(11):3033-3041. doi: 10.1007/s00216-017-0250-9. Epub 2017 Mar 1" |
