prof. UPP dr hab.
PULS Professor – Associate Professor
Room: 36 - II FLOOR
Phone: 61-848-73-64
E-mail: aleksander.siger@up.poznan.pl
Accademic degrees:
2016 - D.SC. discipline: Food Technology and Nutrition, Poznań University of Life Sciences
2007 - Ph.D. discipline: Food Technology and Nutrition, Poznań University of Life Sciences
2000 - M.Sc. in Food Technology Engineering, August Cieszkowski Agricultural University in Poznań
Research interests:
Fats and oils chemistry and technology. Fats and oils modification and health implications. Cold-pressed oils. Influence of raw material and technological factors on the quality of edible fats. Bioactive compounds in oilseeds and edible oils. Researching the potential of using alternative raw material sources for producing food rich in bioactive compounds, including exploring new, unconventional raw materials and processing technologies. Optimization and validation of analytical procedures. Food analysis.
ORCIID: http://orcid.org/0000-0002-3681-153X
Selected publications:
Nogala-Kałucka M., Siger A.: Chapter3: Free radicals in biological and food systems. In: Frying of food. Oxidation, nutrient and non-nutrient antioxidants, biologically active compounds and high temperatures. CRC Press, Taylor & Francis, Boca Raton, FL, 2011, pp. 49-69.
Siger A., Czubiński J., Dwiecki K., Kachlicki P., Nogala-Kałucka M.: Identification and antioxidant activity of sinapic acid derivatives in Brassica napus L. seed meal extracts. European Journal of Lipid Science and Technology, 115, 10, 1130-1138, (2013)
Siger A., Kachlicki P., Czubiński J., Polcyn D., Dwiecki K., Nogala-Kałucka M.: Isolation and purification of plastochromanol-8 for HPLC quantitative determinations. European Journal of Lipid Science and Technology, 116, 413-422, (2014)
Siger A., Michalak M., Cegielska-Taras T., Szała L., Lembicz J., Nogala-Kałucka M.: Genotype and environment effects on tocopherol and plastochromanol-8 contents of winter oilseed rape doubled haploid lines derived from F1 plants of the cross between yellow and black seeds. Industrial Crops & Products, 65, 134-141, (2015)
Siger A., Kaczmarek A., Rudzińska M.: Antioxidant activity and phytochemical content of cold-pressed rapeseed oil obtained from roasted seeds. European Journal of Lipid Science and Technology, 117, 1225-1237, (2015)
Siger A., Michalak M.: The long-term storage of cold-pressed oil from roasted rapeseed: effects on antioxidant activity and levels of canolol and tocopherols. European Journal of Lipid Science and Technology, 118, 1030-1041, (2016)
Siger A., Gawrysiak-Witulska M., Bartkowiak-Broda I. Antioxidant (tocopherol and canolol) content in rapeseed oil obtained from roasted yellow‐seeded Brassica napus. Journal of the American Oil Chemists' Society, 94, 37-46, (2017)
Siger A., Dwiecki K., Borzyszkowski W., Turski M., Rudzińska M., Nogala-Kałucka M.: Physicochemical characteristics of the cold-pressed oil obtained from seeds of Fagus sylvatica L. Food Chemistry, 225, 239-245, (2017)
Siger A., Michalak M., Lembicz J., Nogala-Kałucka M., Cegielska-Taras T., Szała L.: Genotype-environment interaction on tocochromanol and plastochromanol-8 contents in seeds of doubled haploids obtained from F1 hybrid black × yellow seeds of winter oilseed rape (Brassica napus L.). Journal of the Science of Food and Agriculture, 98, 9, 3263-3270 (2018)
Siger A., Antkowiak W., Dwiecki K., Rokosik E., Rudzińska M.: Nutlets of Tilia cordata Mill. and Tilia platyphyllos Scop. – source of bioactive compounds. Food Chemistry, 346, 128888 (2021)
Siger A., Dwiecki K., Bąkowska E. Tocochromanols. In: Analytical Methods in the Determination of Bioactive Compounds and Elements in Food, Jeszka-Skowron M., Zgoła-Grześkowiak A., Grześkowiak T., Ramakrishna A., Eds., Food Bioactive Ingredients, Springer International Publishing: Cham, 2021, pp 121–161.
Siger A., Grygier A., Czubiński J.: Comprehensive characteristic of lipid fraction as a distinguishing factor of three lupin seed species. Journal of Food Composition and Analysis, 115, 104945 (2023)
Siger A., Górnaś P.: Free tocopherols and tocotrienols in 82 plant species’ oil: chemotaxonomic relation as demonstrated by PCA and HCA. Food Research International, 164, 112386, (2023)
Siger A., Michalak M., Bąkowska E., Dwiecki K., Nogala-Kałucka M., Grześ B., Piasecka-Kwiatkowska D.: The effect of the genotype-environment interaction on the concentration of carotenoids, tocochromanol, and phenolic compounds in seeds of Lupinus angustifolius breeding lines. Journal of Food Composition and Analysis, 123, 105511, (2023)