University of Zagreb, Faculty of Agriculture

Ivana Tomaz, PhD

Departement of viticulture and enology
Office location: Jazbina 142
phone: +385 1 462 7977
e-mail: itomaz ( at )
Languages: croatian, english

Academic qualifications

  • 2012 - 2016: PhD
    Faculty of Science, University of Zagreb
    Optimisation of the sample preparation for analysis of polyphenolic compounds in the grape skin by high performance liquid chromatography

Employment and work experience

  • 2011 - : Faculty of Agriculture
    2011-2016 - Expert associate
    2016-today - Senior expert associate


Research interests

  • Development of the extraction and quantification method for the analysis of natural compounds contained in grapes and wines
  • Research of polyphenol compounds from grapes, leaves and wine
  • Research of volatile compounds contained in grapes, leaves and wine
  • Research of carotenoids obtained from grapes, leaves and wine



Title Funding Status
Vinogradarstvo i klimatske promjene na području Hrvatske Croatian science foundation in progress
Novi početak za stare hrvatske sorte vinove loze EU programi in progress


  • Preiner, D., Tomaz, I., Marković, Z., Stupić, D., Andabaka, Ž., Šikuten, I., Cenbauer, D., Maletić, E., Karoglan Kontić, J. (2017) Differences in chemical composition of 'Plavac mali' grape berries. Vitis, 56, 95-102. doi:10.5073/vitis.2017.56.95-102
  • Tomaz, I. Maslov L. (2016) Simultaneous Determination of Phenolic Compounds in Different Matrices using Phenyl-Hexyl Stationary Phase. Food analytical Methods, 19, 401-410. doi:10.1007/s12161-015-0206-7
  • Maslov, L., Tomaz, I., Mihaljević Žulj, M., Jeromel, A. (2016) Aroma characterization of predicate wines from Croatia. European food research and technology, 243, 263-274.
  • Tomaz, I., Maslov, L., Stupić, D., Preiner, D., Ašperger, D., Karoglan Kontić, J. (2016) Solid-liquid extraction of phenolics from red grape skins. Acta chimica Slovenica, 63, 287-297. doi:10.17344/acsi.2015.2181
  • Karoglan Kontić, J., Rendulić Jelušić, I., Tomaz, I., Preiner, D., Marković, Z., Stupić, D., Andabaka, Ž., Maletić, E. (2016) Polyphenolic Composition of the Berry Skin of Six Fungus-Resistant Red Grapevine Varieties. International Journal of Food Properties, 19, 1809-1824.
  • omaz, I. Maslov, L., Stupić, D., Preiner, D., Ašperger, D., Karoglan Kontić, J. (2015) Multi-response optimisation of ultrasound- assisted extraction for recovery of flavonoids from red grape skins using response surface methodology. Phytochemical analysis, 27, 13-22. doi:10.1002/pca.2582

Bibliography (CROSBI):

Google Scholar: