Universidad de Zaragoza

Faculdad de Ciencias
Departamento de Química Analítica

Pedro Cernuna, 12
50009 Zaragoza
ESPAÑA

Telefone: + 34 976 761 177 / 290
Fax: + 34 976 761 292
Representante: Juan Cacho Palomar
Email: jcacho@posta.unizar.es


EQUIPA

Ana Cristina Lapeña Royo
Ana Escudero Carra
Carmelo Díaz Ara
Catalina Ortega Fernandez
Eva Mª Campo Sahagun
Idoya Jarauta
Jan Petka

Jorge Sánchez
Juan Cacho Palomar
Laura Culleré Varea
Margarita Aznar Ramos
Mª Jesús Ibarz
Natalia Ortíin Martínez
Purificación Hernandez Orte
Ricardo López Gómez
Vicente Ferreira González


COMPETÊNCIAS

Enologia - Análise sensorial
Enologia - Compostos de aroma
Enologia - Compostos fenólicos
Enologia - Madeiras
Enologia - Qualidade e diferenciação de vinhos
Derivados e subprodutos - Isolamento e caracterização de compostos de origem vitivinícola


PUBLICAÇÕES REPRESENTATIVAS

CACHO, J.; FERNANDEZ, M.R. (2002): Efectos sensoriales de la migración. Migración de componentes y residuos de envases en contacto con, Instituto Agroquímica y T. Alimentos. 101-126

ESCUDERO, A.; ASENSIO, E; FERREIRA, V.; CACHO, J. (2002): Sensory and chemical changes of young white wines stored under oxygen. An assessment of the role plyed by aldehydes and some other important odorants. Food Chemistry, 77:325-331

ESCUDERO, A.; LISARRI, P.; FERREIRA, V.; CACHO, J. (2002): Quantitative determination of methional in wines by gas-chromatography.flame photomeric detector analysis of amberlite XAD-4 Extracts. Quimica Analítica, 20:223-227

FERREIRA, V.; ORTÍN, N.; ESCUDERO, A.; LÓPEZ, R.; CACHO, J. (2002): Chemical characterization of the aroma of Grenache rose wines. Aroma Extract Dilution Analysis, quantitative determination and sensory reconstitution studies. J. Agric. Food Chem., 50:4048-4054

HERNÁNDEZ-ORTE, P.; CACHO, J.; FERREIRA, V. (2002): Relationship between the varietal amino acid profile of grapes and the wine aromatic composition. Experiments with model solutions and chemometric study. J. Agric. Food Chem., 50:2891-2899

LÓPEZ, R.; AZNAR, M.; CACHO, J.; FERREIRA, V. (2002): Quantitive determination of minor and trace volatile compounds from wine through the gas chromatography-ion trap mass spectrometric analysis of extracts obtained by solid-phase extraction. J. Chromatogr. A. 966:167-177

AZNAR, M.; LÓPEZ, R.; CACHO, J.; FERREIRA, V. (2001): Identification and quantification of impact odorants of aged red wines from rioja. GC-olfatometry, quantitive GC-MS ond odor evaluation of HPLC fractions. J. Agric. Food Chem., 49:2924-2929

FERREIRA, V.; AZNAR, M.; LÓPEZ, R.; CACHO, J. (2001): Quantitative Gas Chromatography-Olfatometry Carried out at Different Dilutions of an Extract. Key Differences in the Odor Profiles of Four High-Quality Spanish Aged Red Wines. J. Agric. Food Chem., 49:4818-4824

LOPEZ, R.; ESCUDERO, A.; CACHO, J.; FERREIRA, V. (2001): Determination of the varietal origin of single-variety red spanish wines through the GC-MS analysis of their active odorants. Am. J. Enol. Vitic.

LOPEZ, R.; SANCHEZ, I.; CACHO, J.; FERREIRA, V. (2001): Assesment of the role played by aroma compounds released from odorless precursors extracted from Tempranillo grapes on wine aroma. J.Food Science

ORTEGA, C.; LOPEZ, R.; CACHO, J.; FERREIRA, V. (2001): Fast analysis of important wine volatile compounds. Development and validation of a new method based on GC-FID analysis of dichloromethane microextracts. J. Chromatogr. A. 923:205-214

ORTEGA, C.; LOPEZ, R.; CACHO, J.; FERREIRA, V. (2001): Use of solid-liquid distribuiton coefficients to determine retention properties of porapak-Q resins. Determination of optimal conditions to isolate alkyl-methoxypyrazines and beta-damascenone from wine. J. Chromatogr. A. 931:31-39

CACHO, J.; FERREIRA, V.; LOPEZ, R. (2000): Molècules d´importance sensorial. ACE Revista de Enologia 17(53):6-12

ESCUDERO, A.; CACHO, J.; FERREIRA, V. (2000): Isolation and identification of odorants generated in wine during its oxidation gas chromatography.olfactometric study. Eur. Food Res. Technol. 211:105-110

FERREIRA, V.; ESCUDERO, A.; CACHO, J. (2000): Flavours and aromas formed during oxidative storage of wines: clues about their formation and some technological consequences. Italian Food of Beverage Technology 1-6

FERREIRA, V.; LOPEZ, R.; CACHO, J. (2000): Quantitative determiantion of the odorants of young red wines from different grape varieties. J. Sci. Food Agric. 80:1659-1667

FERREIRA, V.; ORTEGA, L.; ESCUDERO, A.; CACHO, J. (2000): A comparative study of the ability of different solvents and adsorbents to extract aroma compounds from alcoholic beverages. J. Chrom. Sci. 38:469-476

SALAFRANCA, J.; CACHO, J.; NERIN, C. (2000): Determination of volatile and semivolatile model contaminants in recycled figh impact polystherene from food contact applications comparision of purge and trap, coevaporation and total dissolution methods. J. Chromatography. A. 51:615-622

ESCUDERO, A.; HERNANDEZ, P.; CACHO, J.; FERREIRA, V. (1999): Clues about the role of methional as character impact odorant of some oxidized wines. J. Agric. Food Chem., 48:4268-4272

FERNANDEZ, P.; FERREIRA, V.; PEÑA, C.; ESCUDERO, A.; CACHO, J. (1999): Effects of maceration time and pectolic enzymes added during maceration on the phenolic composition. Food Sci. Techn. Int. 5:319-325

FERREIRA, V.; HERNANDEZ, P. ;ESCUDERO, A. ;LOPEZ, R. ;CACHO ,J. (1999): Semipreparative reversed-phase liquid chromatographic fractionation of aroma extracts from wine and other alcoholic beverages. J. Chromatogr. A. 864:77-88

GUITART, A.; HERNANDEZ, P.; FERREIRA, V.; PEÑA, C.; CACHO, J. (1999): Some observations about the correlation between the amino acid content of musts and wines of the Chardonnay variety and their fermentation aromas. Am. J. Enol. Vitic. 50:253-258

HERNANDEZ, P.; GUITART, A.; CACHO, J.(1999): Changes in the concentration of amino acids during the ripening of the vitis vinifera Tempranillo variety from the Denomination of Origin Somontano. Am. J. Enol. Vitic. 50(2):144-154

LOPEZ, R.; FERREIRA, V.; CACHO, J.(1999): Indentification of impact odorants of young red wines made with Merlot, Cabernet Sauvigon and Grenache grape varieties: a comparative study. J. Sci. Food Agric. 79:1461-1467

SALAFRANCA, J.; CACHO, J.; NERIN, C. (1999): Compositional analysis of recycled high density polyathyelene for food contact. Applications and several considerations about its use. Polymer Recycling. 4(1):13-26

SALAFRANCA, J.; CACHO, J.; NERIN, C. (1999): Considerations about the supercritical fluid extraction (SFE) feasibility on the determination of antioxidants and UV-stabilizers in virgin and recycled polyolefins. J. High Resol. Chromatography. 22(10):553-558

FERNANDEZ, P.; FERREIRA, V.; ESCUDERO, A.; CACHO, J. (1998): The role of hydroxycinnamic acids and flavanols in the oxidation and browning of white wines. J. Agric. Food Chem., 46:4937-4944

FERREIRA, V.; ARDANUY, M.; LÓPEZ, R.; CACHO, J. (1998): Relationship between flavour dilution values and odos unit values in hydroalcoholic solutions: role of volatility and a pratical rule for its estimation. J. Agric. Food Chem., 46:4341:4346

FERREIRA, V.; ESCUDERO, A.; LÓPEZ, R.; CACHO, J. (1998): Analytical characterization of the flavor of oxygen-spoiled wines through the gas chromatographic-ion. J. Sci. Food Agric.

FERREIRA, V.; ESCUDERO, A.; LÓPEZ, R.; CACHO, J. (1998): The spoilage of wines by oxygen: changes in the aroma profiles, isolation and identification of some key compounds.Journal of Chromatographic Science., 36

FERREIRA, V.; LÓPEZ, R.; ESCUDERO, A.; CACHO, J. (1998): Quantitive determination of trace and ultrace flavour active compounds in red wines through the gas chromatographic ion trap mass spectrometric analysis of microextracts. J. Chromatogr., 806:349-354

FERREIRA, V.; PEÑA, C.; LÓPEZ, R.; CRESPO, C.; CACHO, J. (1998): Concentration of small volumes of nonpolar solutions containing trace volatile compounds. J. Chromatogr., 824:195-203

GUITART, A.; HERNANDEZ, P.; CACHO, J. (1998): Effect of different clarification treatments on the amino acid content of chardonnay musts and wines. Am. J. Enol. Vitic., 824:195-203

HERNANDEZ, P.; GUITART, A.; CACHO, J. (1998): Effect of macerations time and the addition of enzymes on the aminoacid composition of must wines and its influence on wine aroma. Food Science and Technology International, 4(6):407-418

NERIN, C.; BATTLE, R.; CACHO, J. (1998): Design of a test for migration studies in vapour phase. Food additives and Contaminants, 15:94-92

NERIN, C.; BATTLE, R.; CACHO, J. (1998): Determination of pesticides in high water content samples by off-line supercritical fluid extraction-gas-chromatography-electro-capture-detection. J. Chromatogr. A. , 795:117-124

NERIN, C.; BATTLE, R.; CACHO, J. (1998): Migration of pesticides from recycled agricultural films to several selected food simulants.

NERIN, C.; DOMEÑO, C.; FERNANDEZ, P.; CACHO, J. (1998): Some considerations about the separation of polyaromatic hydrocarbons on a 2-(1-pyrenil)ethyl dimethylsilica-HPLC column. Quimica Analytica., 17

NERIN, C.; RUBIO, C.; SALAFRANCA, J.; CACHO, J. (1998): Determination of styrene in yogurt by an automatic purge-and-trap system coupled to gas chromatography-mass spectrometry. Food additives and Contaminants, 15:346-354

NERIN, C.; SALAFRANCA, J.; RUBIO, C.; CACHO, J. (1998): Multicomponent recycled plastics: considerations about their use in food in contact applications. Food additives and Contaminants, 15(7):842-845

NERIN, C.; TORNES , A.R.; BATLLE, R.; CACHO, J. (1998): Pesticides in recycled plastics. A new environmental challenge. Quimica Analytica, 17(4):177-184

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