izr. prof. dr. Iztok Jože Košir
izr. prof. dr. Iztok Jože Košir
Katedra za živilstvo in prehrano
Predmeti:
- Živilska kemija
- Management kakovosti v živilstvu in prehrani
- Analiza in vrednotenje živil
Izbrana raziskovalna dejavnost
BATISTIČ, Luka, BOHINC, Tanja, NOVLJAN, Monica, INDIHAR, Eva, KOŠIR, Iztok Jože, ŠILC, Urban, HORVAT, Aleksander, TRDAN, Stanislav. Cabbage pest control with local inert dusts : do diatomaceous earth and wood ash have the highest potential?. Acta agriculturæ Scandinavica. Section B, Soil and plant science. Feb. 2025, vol. 75, no. 1, [article no.] 2466448, 22 str., ilustr. ISSN 0906-4710.
VUČAJNK, Filip, ŠPANIĆ, Valentina, TRDAN, Stanislav, KOŠIR, Iztok Jože, OCVIRK, Miha, VIDRIH, Matej. Performance of symmetric double flat fan nozzles against fusarium head blight in durum wheat. Agriculture. 2024, vol. 14, iss. 3, art. 343, 15 str. ISSN 2077-0472.
KRSTANOVIĆ, Vinko, MASTANJEVIĆ, Krešimir, KOŠIR, Iztok Jože, JURIĆ, Miroslav, HABSCHIED, Kristina. The influence of milling granulation on the proportion of fermentable and non-fermentable ingredients in mash obtained from mixed endosperm wheat. Applied sciences. 2024, vol. 14, iss. 14, art. 5985, str. 1-10, ilustr. ISSN 2076-3417. DOI: 10.3390/app14145985.
BATISTIČ, Luka, VUČAJNK, Filip, VIDRIH, Matej, HORVAT, Aleksander, KOŠIR, Iztok Jože, ŠILC, Urban, BOHINC, Tanja, TRDAN, Stanislav. Evaluating locally sourced inert dusts as insecticides against the cereal leaf beetle (Oulema melanopus [L.]; Coleoptera: Chrysomelidae) : a combined laboratory and field study. Cogent food & agriculture. 2024, vol. 10, no. 1, art. 2415393, 23 str., ilustr. ISSN 2331-1932.
CVETANOVIĆ KLJAKIĆ, Aleksandra, OCVIRK, Miha, RUTNIK, Ksenija, KOŠIR, Iztok Jože, PAVLIĆ, Branimir, MAŠKOVIĆ, Pavle Z., MAŠKOVIĆ, Jelena, TESLIĆ, Nemanja, STUPAR, Alena, UBA, Abdullahi Ibrahim, ZENGIN, Gökhan. Exploring the composition and potential uses of four hops varieties through different extraction techniques. Food chemistry. Jul. 2024, vol. 447, [article no.] 138910, str. 1-12, ilustr. ISSN 1873-7072. DOI: 10.1016/j.foodchem.2024.138910.
ERŽEN, Marjeta, KOŠIR, Iztok Jože, OCVIRK, Miha, KREFT, Samo, ČERENAK, Andreja. Vsebnost kanabinoidov v različnih fenotipih konoplje (Cannabis sativa L.) carmagnola selected in selekcije finola = Cannabinoids content in different hemp (Cannabis sativa L.) phenotypes of carmagnola selected and finola selection. Hmeljarski bilten. [Tiskana izd.]. 2024, št. 31, str. 107-117, ilustr. ISSN 0350-0756.
ODGORNIK MILOSAVLJEVIĆ, Matej, NOVLJAN, Monica, KOŠIR, Iztok Jože, HORVAT, Aleksander, ŠILC, Urban, ATHANASSIOU, Christos G., BOHINC, Tanja, VIDRIH, Matej, TRDAN, Stanislav, et al. Five invasive alien plant powders, Norway spruce (Picea abies [L.] H. Karst.) wood ash and diatomaceous earth against Sitophilus oryzae (L.) adults : are they closer to guns or roses?. Journal of Stored Products Research. [Print ed.]. 2024, vol. 105, art. 102245, 11 str. ISSN 0022-474X.
KOŠIR, Iztok Jože, ČEH, Barbara, ZUPANČIČ, Gregor Drago, PANJICKO, Mario. Mogućnosti iskorištenja ostataka od proizvodnje hmelja. V: ŠUBARIĆ, Drago (ur.). Neke mogućnosti iskorištenja nusproizvoda prehrambene industrije. Osijek: Prehrambeno-tehnološki fakultet. 2022, knj. 4, str. 245-264, ilustr. ISBN 978-953-7005-51-1, ISBN 978-953-7005-64-1, ISBN 978-953-7005-81-8.
KOŠIR, Iztok Jože, OCVIRK, Miha. Evolution of beer aroma. V: BORDIGA, Matteo (ur.), NOLLET, Leo M. L. (ur.). Food aroma evolution : during food processing, cooking, and aging. Boca Raton (FL); London; New York: CRC Press, Taylor & Francis Group, cop. 2020. Str. 353-363, ilustr. Food analysis & properties. ISBN 978-1-138-33824-1.
ANELLI, Barbara, OCVIRK, Miha, KOŠIR, Iztok Jože, VIDRIH, Matej, BOHINC, Tanja, TRDAN, Stanislav. Environmental parameters and fertilisers as factors affecting the salicylic acid and total polyphenol contents in sport turfgrasses. Acta agriculturæ Scandinavica. Section B, Soil and plant science. 2022, vol. 72, no. 1, str. 81-91. ISSN 0906-4710. Repozitorij Univerze v Ljubljani – RUL, DOI: 10.1080/09064710.2021.1990390.
RUTNIK, Ksenija, OCVIRK, Miha, KOŠIR, Iztok Jože. Impact of hop freshness on dry hopped beer quality. Foods. 2022, vol. 11, iss. 9, art. 1310, str. 1-14, ilustr. ISSN 2304-8158. https://www.mdpi.com/2304-8158/11/9/1310, DOI: 10.3390/foods11091310.
RUTNIK, Ksenija, OCVIRK, Miha, KOŠIR, Iztok Jože. Changes in hop (Humulus lupulus L.) oil content and composition during long-term storage under different conditions. Foods. 2022, vol. 11, iss. 19, art. 3089, str. 1-20, ilustr. ISSN 2304-8158. https://www.mdpi.com/2304-8158/11/19/3089, Repozitorij Univerze v Ljubljani – RUL, DOI: 10.3390/foods11193089.
OCVIRK, Miha, RUTNIK, Ksenija, MEDVED, Zarja, KOŠIR, Iztok Jože. Vpliv hladnega hmeljenja piva na vsebnost polifenolov in grenčice. Hmeljarski bilten. [Tiskana izd.]. 2022, št. 29, str. 119-125. ISSN 0350-0756. Digitalna knjižnica Slovenije – dLib.si.
BIZAJ, Katja, ŠKERGET, Mojca, KOŠIR, Iztok Jože, KNEZ, Željko, et al. Hop (Humulus lupulus L.) essential oils and xanthohumol derived from extraction process using solvents of different polarity. Horticulturae. 2022, vol. 8, iss. 5, 12 str., ilustr. ISSN 2311-7524. Digitalna knjižnica Univerze v Mariboru – DKUM, DOI: 10.3390/horticulturae8050368.
projekt: P2-0046 Separation Processes and Production Design; financer: ARRS
projekt: J2-1725 Smart materials for bioapplications; financer: ARRS
KREMER, Dario, KOŠIR, Iztok Jože, POTOČNIK, Tanja, ROGULJ, Nikolina, NAČINOVIĆ, Karla, RANDIĆ, Marko, SREČEC, Siniša, JURIŠIĆ GRUBEŠIĆ, Renata. Phenolic compounds in two subspecies of Drypis spinosa L. (Caryophyllaceae) in Croatia. Acta botanica Croatica : an international joural of botany. 2021, vol. 80, no. 1, str. 43-47, ilustr. ISSN 0365-0588. DOI: 10.37427/botcro-2020-015.
VUČAJNK, Filip, TRDAN, Stanislav, KOŠIR, Iztok Jože, OCVIRK, Miha, ŠANTIĆ, Mihovil, ŽERJAV, Metka, ŠANTAVEC, Igor, BERNIK, Rajko, VIDRIH, Matej. The influence of the spraying pressure of an injector asymmetric double nozzle with variable flow on head fungicide coverage, yield, grain quality, and deoxynivalenol content in winter wheat. Agronomy. 2021, vol. 11, iss. 1, str. 1-16, 43, ilustr. ISSN 2073-4395. https://doi.org/10.3390/agronomy11010043, Repozitorij Univerze v Ljubljani – RUL, DOI: 10.3390/agronomy11010043.
KONDIĆ, Danijela, ČERENAK, Andreja, KOŠIR, Iztok Jože, OCVIRK, Miha, KRMPOT, Tanja, ĐURIĆ, Gordana. Morphological and biochemical characterization of wild hop (Humulus lupulus L.) populations from Banja Luka area (Bosnia and Herzegovina). Agronomy. 2021, vol. 11, iss. 2, str. 1-17, 239, ilustr. ISSN 2073-4395. DOI: 10.3390/agronomy11020239.
OCVIRK, Miha, KOČAR MLINARIČ, Nataša, RASPOR, Peter, KOŠIR, Iztok Jože. Impact of successive exploitation of a Saccharomyces pastorianus starter culture on saccharide uptake dynamics from wort. Food technology and biotechnology : journal of the Faculty of Food Technology and Biotechnology University of Zagreb. 2021, vol. 59, no. 1, str. 16-23, ilustr. ISSN 1330-9862. http://www.ftb.com.hr/images/pdfarticles/2021/January-March/FTB-59-16.pdf, http://www.ftb.com.hr/images/pdfarticles/2023/July-September/FTB-61-412.pdf, DOI: 10.17113/ftb.59.01.21.6899, DOI: 10.17113/ftb.59.01.21.6899_corrig.61(3).
GOLUBOVIĆ, Jelena, HEATH, Ester, KOŠIR, Iztok Jože, OGRINC, Nives, POTOČNIK, Doris, STROJNIK, Lidija, HEATH, David John. Differences in the levels of the selected phytoestrogens and stable isotopes in organic vs. conventional hops and beer. Foods. 2021, vol. 10, no. 8, str. 1839-1- 1839-15. ISSN 2304-8158. DOI: 10.3390/foods10081839.
OCVIRK, Miha, RUTNIK, Ksenija, KOŠIR, Iztok Jože. Vpliv bakra na indeks staranja hmelja = Influence of copper content on hop storage index. Hmeljarski bilten. [Tiskana izd.]. 2021, 28, str. 26-33, ilustr. ISSN 0350-0756. Digitalna knjižnica Slovenije – dLib.si.
KREMER, Dario, ZOVKO KONČIĆ, Marijana, KOSALEC, Ivan, KOŠIR, Iztok Jože, POTOČNIK, Tanja, ČERENAK, Andreja, SREČEC, Siniša, DUNKIĆ, Valerija, VUKO, Elma. Phytochemical traits and biological activity of Eryngium amethystinum and E. alpinum (Apiaceae). Horticulturae. 2021, vol. 7, no. 10 (364), str. 1-16, ilustr. ISSN 2311-7524. https://www.mdpi.com/2311-7524/7/10/364, DOI: 10.3390/horticulturae7100364.
ERŽEN, Marjeta, KOŠIR, Iztok Jože, OCVIRK, Miha, KREFT, Samo, ČERENAK, Andreja. Metabolomic analysis of cannabinoid and essential oil profiles in different hemp (Cannabis sativa L.) phenotypes. Plants. 2021, vol. 10, no. 5, str. 1-14 (966). ISSN 2223-7747. https://www.mdpi.com/2223-7747/10/5/966, Repozitorij Univerze v Ljubljani – RUL, DOI: 10.3390/plants10050966.
BIZAJ, Katja, ŠKERGET, Mojca, KOŠIR, Iztok Jože, KNEZ, Željko. Sub- and supercritical extraction of slovenian hops (Humulus lupulus L.) aurora variety using different solvents. Plants. 3 June 2021, vol. 10, iss. 6, str. 1-17. ISSN 2223-7747. DOI: 10.3390/plants10061137.
OCVIRK, Miha, KOŠIR, Iztok Jože. Dynamics of isomerization of hop alpha-acids and transition of hop essential oil components in beer. Acta chimica slovenica. [Spletna izd.]. 2020, vol. 67, no. 3, str. 720-728, ilustr. ISSN 1580-3155. Digitalna knjižnica Slovenije – dLib.si, DOI: 10.17344/acsi.2020.5394.
KOLENC, Zala, POTOČNIK, Tanja, BREN, Urban, KOŠIR, Iztok Jože. Determination of camelina oil sterol composition and its application for authenticity studies. Acta chimica slovenica. [Spletna izd.]. 2020, vol. 67, no. 4, str. 1163-1171. ISSN 1580-3155. https://journals.matheo.si/index.php/ACSi/article/view/6059, Digitalna knjižnica Slovenije – dLib.si, DOI: 10.17344/acsi.2020.6059.
BOHINC, Tanja, HORVAT, Aleksander, OCVIRK, Miha, KOŠIR, Iztok Jože, RUTNIK, Ksenija, TRDAN, Stanislav. The first evidence of the insecticidal potential of plant powders from invasive alien plants against rice weevil under laboratory conditions. Applied sciences. 2020, vol. 10, iss. 21, art. 7828, 16 str., ilustr. ISSN 2076-3417. https://www.mdpi.com/2076-3417/10/21/7828, Repozitorij Univerze v Ljubljani – RUL, DOI: 10.3390/app10217828.
KOŠIR, Iztok Jože, KOČAR MLINARIČ, Nataša. Effect of substitutes for barley malt on chemical-physical and sensorial characteristics of beer = Vpliv nadomestkov ječmenovega slada na kemijsko-fizikalne in senzorične lastnosti piva. Hmeljarski bilten. [Tiskana izd.]. 2020, 27, str. 128-138, ilustr. ISSN 0350-0756. Digitalna knjižnica Slovenije – dLib.si.
LAZNIK, Žiga, KOŠIR, Iztok Jože, KOŠMELJ, Katarina, MUROVEC, Jana, JAGODIČ, Anamarija, TRDAN, Stanislav, KOCJAN AČKO, Darja, FLAJŠMAN, Marko. Effect of Cannabis sativa L. root, leaf and inflorescence ethanol extracts on the chemotrophic response of entomopathogenic nematodes. Plant and soil. [Print ed.]. 2020, vol. 455, iss. 1, str. 367-379. ISSN 0032-079X. DOI: 10.1007/s11104-020-04693-z.