1. Exploring innovative approaches in flavored ciders : physicochemical and antioxidative properties of cornelian cherry – apple ciderErika Jež, Marianna Mazur, Tatjana Radovanović Vukajlović, Mitja Martelanc, Bartłomiej Menażyk, Maja Pečarič, Jelena Topić, Melita Sternad Lemut, Guillaume Antalick, Branka Mozetič Vodopivec, Lorena Butinar, 2024, objavljeni povzetek znanstvenega prispevka na konferenci Ključne besede: Cornelian cherry, apple cider, antioxidative properties
Objavljeno v RUNG: 27.11.2024; Ogledov: 878; Prenosov: 1
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4. Nanoscopic roughness characterization of chitosan with buried graphene oxide for fuel cell applicationAhmed Kreta, Egon Pavlica, Mojca Božič, Gvido Bratina, 2023, objavljeni znanstveni prispevek na konferenci Ključne besede: AFM, chitosan, graphene oxide, fuel cells, membrane, roughness
Objavljeno v RUNG: 01.03.2023; Ogledov: 3024; Prenosov: 7
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5. Iron phosphide precatalyst for electrocatalytic degradation of rhodamine B dye and removal of Escherichia coli from simulated wastewaterTakwa Chouki, Manel Machreki, Jelena Topić, Lorena Butinar, Plamen Stefanov, Erika Jež, Jack S. Summers, Matjaž Valant, Aaron Fait, Saim Emin, 2022, izvirni znanstveni članek Ključne besede: železov fosfat, elektrokataliza, rodamin
Objavljeno v RUNG: 02.08.2022; Ogledov: 2858; Prenosov: 99
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7. Novel analytical approaches in quality and safety control in production of fermented beverages : dissertationJelena Topić, 2022, doktorska disertacija Opis: The exploitation of microorganisms for fermentation goes back centuries. Two types of fermentation are usually used in the winemaking process – alcoholic fermentation and malolactic fermentation. Nowadays, inoculated fermentations with the use of starter cultures are commonly used in order to produce wine with more consistent quality. However, wines can lack in flavour complexity, so scientists and the industry are constantly looking for new and improved starters that can be adapted to different types of wine.
In this work we focused on the development and implementation of novel analytical methods for wine quality control. In the course of method development native yeasts and lactic acid bacteria isolates were characterized for wine starter properties. We focused on the determination of biologically active compounds that determine wine quality and safety. Yeasts can influence wine colour through their adsorption capacity and synthesis of stable colour pigments pyranoanthocyanins and lactic acid bacteria can produce biogenic amines which can have adverse detrimental health effects on sensitive consumers when they are present in wines.
Ključne besede: Saccharomyces yeasts, non-Saccharomyces yeasts, pyranoanthocyanins, thermal-lens spectrometry, lactic acid bacteria, biogenic amines, thin layer chromatography, dissertations
Objavljeno v RUNG: 18.02.2022; Ogledov: 4653; Prenosov: 188
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8. Determination of biogenic amines formation by autochthonous lactic acid bacteria from ‘Refošk’ grapes using different analytical methodsJelena Topić, Lorena Butinar, Martina Bergant Marušič, Dorota Korte, Branka Mozetič Vodopivec, 2022, izvirni znanstveni članek Opis: Different analytical methods were tested and optimized for the determination of four biogenic amines (BA) histamine, putrescine, cadaverine and tyramine produced by grape-associated lactic acid bacteria (LAB). Autochthonous LAB were isolated from ‘Refošk’ grapes belonging to Slovenian-Italian Karst region as they represent a potential pool of beneficial LAB starter bacteria for improving the typicality and quality of wine. Six isolated strains were screened by multiplex PCR, of which four strains were positive for BA-forming genes (MKBT-49, MKBT-282, MKBT-568, MKBT-570). The production of BA was evaluated by thin-layer chromatography (TLC), high-performance liquid chromatography coupled to diode array detection (HPLC-DAD) and enzymatic method. The HPLC-DAD results showed that strain MKBT-49 (tyrdc+) had high tyramine production (386.6 ± 0.14 mg/L), which was confirmed by TLC. The ability to produce putrescine was confirmed in strain MKBT-282 by PCR, HPLC-DAD (16.4 ± 1.72 mg/L), and TLC. Histamine-producing ability was detected in strain MKBT-570, with a concentration below the limit of detection of the HPLC-DAD (<0.2 mg/L), while the other two methods were not sensitive enough for confirmation. This study shows that the production of BA can detected in native LAB and that relatively simple method such as TLC can be used effectively for the initial screening.
Ključne besede: grapes, wine-like matrices, biogenic amines, autochthonous lactic acid bacteria, analytical methods
Objavljeno v RUNG: 03.01.2022; Ogledov: 3315; Prenosov: 13
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9. Gregor Božič : Odprto za srečanja2019, radijska ali televizijska oddaja, podkast, intervju, novinarska konferenca Opis: Gregor Božič je režiser in soscenarist celovečerca Zgodbe iz kostanjevih gozdov, ki je na Festivalu slovenskega filma prejel rekordnih 11 vesen. V pogovoru govori o stvareh, ki jih ima rad: starih vaseh v Goriških brdih, Benečiji, starih sadnih sortah, kostanjih ... Kritično prečeše slovensko filmsko sceno in študij režije v Sloveniji.
Ključne besede: režiserji, Zgodbe iz kostanjevih gozdov, intervjuji
Objavljeno v RUNG: 05.11.2021; Ogledov: 2870; Prenosov: 10
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10. The influence of selected indigenous yeasts on Pinot Noir wine colour propertiesJelena Topić, Lorena Butinar, Guillaume Antalick, Melita Sternad Lemut, Mitja Martelanc, Alen Albreht, Dorota Korte, Branka Mozetič Vodopivec, 2021, izvirni znanstveni članek Ključne besede: Pinot Noir, wine colour, yeasts, non-Saccharomyces, sensory
Objavljeno v RUNG: 07.07.2021; Ogledov: 3609; Prenosov: 0
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