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| RIJEČ UREDNIŠTVA |
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| Uredništvo HŠD-a | |
| 260 years of Croatian forestry (1765–2025)
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| IZVORNI ZNANSTVENI ČLANCI |
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| Željko Španjol, Ivana Gašparović, Damir Barčić, Ana Šujica, Martina Obradović, Mario Ančić, Mihaela Jankavić, Sanja Stevanović, Boris Dorbić | UDKps://doi.org/10.31298/sl.149.1-2.1 |
| Biological, ecological and spatial analysis of a monument of park architecture – Hellenbach castle park in Marija Bistrica
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| Esmera Kajtaz, Dženita Alibegić, Haris Nikšić, Željko Španjol, Boris Dorbić | UDKps://doi.org/10.31298/sl.149.1-2.2 |
| Variations in the total phenolic content and antioxidant activity of fresh houseleek leaves (Sempervivum tectorum L.) with regard to provenances from urban and rural environments : the area of Mostar, Bosnia and Herzegovina
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This research aimed to determine the antioxidant activity and total phenolic content of fresh leaves of Sempervivum tectorum concerning provenances from urban and rural environments. Fresh leaves of the houseleek plant material were collected on a sunny day in June 2024. The homogenized sample was then subjected to maceration extraction at room temperature using distilled water and aqueous solutions of 70% and 50% ethanol and 70% and 50% methanol. The total phenolic content was determined by the Folin-Ciocalteu method, and the antioxidant activity was evaluated by the DPPH scavenging method and expressed using the Trolox standard as an equivalent (µmol TE/g). Total phenolic content ranged from 42.91 ± 0.83 to 115.96 ± 0.48 mg GAE/g, depending on the type of solvent used and the origin of the plant material.
The highest values of antioxidant activity had the methanol extract with a value of 672.51 ± 2.47 µmol TE/g, and the lowest values had aqueous extracts of plant material of both origins. The houseleek samples from higher altitudes showed exceptional antioxidant activity with values from 672.51 ± 2.47 to 359.79 ± 3.97 µmol TE/g, while the samples collected at lower altitudes showed a lower ability to remove radicals according to the DPPH method with values from 366.86 ± 6.91 to 232.78 ± 4.55 µmol TE/g. Using multiple linear regression, it was shown that provenance (ß = -0.64; t = -3.167; 0.0016 < 0.05) and solvent (ß = 0.552; t = 2.734; 0.029 < 0.05) are significant predictors of the total phenolic content for the analyzed samples. Provenance (ß = 0.78; t = 4.55; 0.003 < 0.05) and solvent (ß = -0.422; t = 2.445; 0.044 < 0.05) are also significant predictors for the antioxidant activity results of the analyzed samples. The result of the t-test showed that there is a statistically significant difference (0.013 < 0.050) in antioxidant activity regarding the provenance of the plant material (urban/rural).
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| Biljana M. Nikolić, Jelena Božović, Dalibor Ballian, Saša Eremija, Zorica S. Mitić, Marija S. Marković, Nevena Čule | UDKps://doi.org/10.31298/sl.149.1-2.3 |
| Microelements variability in needles of natural populations of Picea omorika
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| Zümrüt Kurtulgu, Atinç Pirti | UDKps://doi.org/10.31298/sl.149.1-2.4 |
| A new approach for the classification of ground points from airborne LiDAR data in forested areas
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| Özdemir Şentürk, Mehmet Güvenç Negiz, Serkan Gülsoy | UDKps://doi.org/10.31298/sl.149.1-2.5 |
| Hierarchical model-based ecological classification and mapping of Gölhisar district
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| PREGLEDNI ČLANCI |
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| Ana Romana Armanda, Mario Bjeliš | UDKps://doi.org/10.31298/sl.149.1-2.6 |
| Overview of invasion and control management options of Cydalima perspectalis (Lepidoptera, Crambidae)
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| STRUČNI ČLANCI |
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| Damir Miškulin, Nives Salopek, Dalibor Babić, Matea Vuković, Tihana Otmačić | UDKps://doi.org/10.31298/sl.149.1-2.7 |
| Analysis of the success rate of rehabilitation of windthrows in state forests in the Medvednica nature park
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