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Št. zadetkov: 6
Učenje matematičnih obrazcev z razumevanjem
Aljaž Juhart, Vida Manfreda Kolar
Magistrsko delo
Oznake: Algebra;geometrijski obrazci;geometrija;načini dojemanja;učenje z razumevanjem;
Magistrsko delo obravnava učenje matematičnih obrazcev z razumevanjem. Osredotoča se predvsem na obrazce pri merjenju veličin na geometrijskih objektih in različne načine dojemanja teh obrazcev med učenci devetega razreda osnovne šole. Pogostost učenja »na pamet« pri učencih ustvarja slabše miselne ...
Leto: 2025 Vir: Pedagoška fakulteta (UL PEF)
Biochemical and volatile compound variation in apple (Malus domestica) cultivars according to fruit size
Jan Juhart, Franci Štampar, Mariana Cecilia Grohar, Aljaž Medič
Izvirni znanstveni članek
Oznake: apple cultivars;aroma profile;fruit quality;fruit size;organic acids;phenolic compounds;sugars;volatile organic compounds;
Leto: 2025 Vir: Biotehniška fakulteta (UL BF)
Phytochemical composition of red-fleshed apple cultivar ‘Baya Marisa’ compared to traditional, white-fleshed apple cultivar ‘Golden Delicious’
Jan Juhart, Aljaž Medič, Robert Veberič, Metka Hudina, Jerneja Jakopič, Franci Štampar
Izvirni znanstveni članek
Oznake: jablana;Malus domestica;kemična sestava;biokemične lastnosti;sladkorji;organske kisline;askorbinska kislina;fenolne spojine;antocianini;HPLC;identifikacija;sugars;biochemical compounds;ascorbic acid;phenolic compounds;anthocyanins;HPLC-MS identification;
We analyzed the red-fleshed apple cultivar ‘Baya Marisa’ and compared it with the traditional, white-fleshed apple cultivar ‘Golden Delicious’. The objective of this study was to compare sugars, organic acids, and phenolic compounds of ‘Baya Marisa’ with the widely known and consumed white-fleshed a ...
Leto: 2022 Vir: Biotehniška fakulteta (UL BF)
Using HPLC-MS/MS to determine the loss of primary and secondary metabolites in the dehydration process of apple slices
Jan Juhart, Aljaž Medič, Jerneja Jakopič, Robert Veberič, Metka Hudina, Franci Štampar
Izvirni znanstveni članek
Oznake: Malus domestica;organic acids;sugars;phenolic compounds;dehydrated apple slices;processing;HPLC-MS identification;
The aim of this study was to compare peeled and unpeeled dehydrated apple slices of the red-fleshed ‘Baya Marisa’ and the white-fleshed ‘Golden Delicious’, to analyze the difference in the content of sugars, organic acids, and phenolic compounds during the heat process of dehydration, and to compare ...
Leto: 2023 Vir: Biotehniška fakulteta (UL BF)
Use of HPLC-MS to determine the loss of metabolites in apple juices under different storage conditions
Jan Juhart, Aljaž Medič, Jerneja Jakopič, Robert Veberič, Metka Hudina, Franci Štampar
Izvirni znanstveni članek
Oznake: Malus domestica;organic acids;sugars;phenolic compounds;pasteurized apple juice;storage;color;processing;HPLC-MS identification;
The focus of this experiment was to compare the color and metabolic profile of apple juice from the red-fleshed cultivar ‘Baya Marisa’ with the white-fleshed cultivar ‘Golden Delicious’. The changes in the phenolic compounds, organic acids, and sugar content during high-temperature short-time pasteu ...
Leto: 2023 Vir: Biotehniška fakulteta (UL BF)
Comparative analysis of enzymatic activity, phenolic and ascorbic acid stability and browning dynamic in white and red-fleshed apple (Malus domestica Borkh.) cultivars post-air exposure
Jan Juhart, Mariana Cecilia Grohar, Franci Štampar, Metka Hudina, Kristyna Simkova, Jerneja Jakopič, Aljaž Medič
Izvirni znanstveni članek
Oznake: enzyme activity;polyphenol oxidase;peroxidase;phenolic content;browning index;time degradation;
This study investigates enzymatic browning in several white- and red-fleshed apple cultivars by analyzing polyphenol oxidase (PPO) and peroxidase (POX) activities, total phenolic content (TPC), anthocyanins, ascorbic acid, and color changes during air exposure. Six white-fleshed cultivars (‘Topaz’, ...
Leto: 2025 Vir: Biotehniška fakulteta (UL BF)
Št. zadetkov: 6
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