59 research outputs found
Uticaj varijeteta viÅ”nje na hemijske i senzorne karakteristike rakije viÅ”njevaÄe
The chemical and sensorial characteristics of cherry brandy produced from five cherry varieties (Oblacinska, Celery's 16, Rexle, Heiman's Ruby and Heiman's Conserve) grown in Serbia were studied. Gas chromatography and gas chromatography-mass spectrometry analysis of these distillates led to the identification of 32 components, including 20 esters, benzaldehyde, 6 terpenes and 5 acids. The ethyl esters of C(8)-C(18) acids were the most abundant in all samples. The benzaldehyde content was quantified by high performance liquid chromatography with UV detection. The average benzaldehyde concentration in the samples ranged between 2.1 and 24.1 mg L(-1). The total sensory scores of the cherry brandies ranged between 17.30 to 18.05, with the cherry brandy produced from the Celery's 16 variety receiving the highest score (18.05).Ispitivane su hemijske i senzorske karakteristike rakije viÅ”njevaÄe proizvedene iz pet varijeteta viÅ”nje (OblaÄinska, Celery's 16, Rexle, Heiman's Ruby i Heiman's Conserve) gajenih u Srbiji. Metodama gasne hromatografije i kombinacijom gasne hromatografije i masene spektrometrije u ekstrakatima identifikovana su 32 jedinjenja, 20 estara, benzaldehid, 6 terpena i 5 kiselina. Etil-estri C8-C18 kiselina su najobilniji u svim uzorcima. Sadržaj benzaldehida je odreÄivan metodom teÄne hromatografije uz UV detekciju. ProseÄna koliÄina benzaldehida u ispitivanim uzorcima bila je izmeÄu 2,1 i 24,1 mg L-1. Ocene senzorskog ispitivanja rakija viÅ”njevaÄa su u rasponu od 17,30 do 18,05, dok je najbolje ocenjena (18,05) rakija proizvedena od varijeteta Celery's 16
Volatile Constituents of Different Plant Parts and Populations of Malabaila aurea Boiss. from Montenegro
The volatile constituents of different plant parts and populations of Malabaila aurea Boiss. from Montenegro were obtained by simultaneous distillation-extraction and analyzed by GC-FID and GC-MS. A total of 12 samples were examined and 45 compounds were identified. The volatile content of different M. aurea populations was very similar, while the volatile fractions obtained from different plant parts showed significant qualitative and quantitative differences. The most abundant compounds found in stems & leaves were apiole (51.0-56.3%), myristicin (16.3-25.4%), and falcarinol (4.1-10.7%). The roots showed the same major components, but with different relative abundances: 30.9-49.1% of apiole, 12.9-34.7% of falcarinol, and 9.9-31.1% of myristicin. The volatile constituents of fruits & flowers were remarkably different, containing up to 71.2-80.5% octyl butyrate, 11.4-18.0% octanol, and 2.7-6.8% octyl hexanoate. The results were discussed as possible indication of relatedness of Malabaila aurea and Pastinaca sativa (parsnip)
Supplementary data for article: Andelkovic, B.; VujisiÄ, L. V.; VuÄkoviÄ, I. M.; TeÅ”eviÄ, V.; Vajs, V.; Godevac, D. Metabolomics Study of Populus Type Propolis. Journal of Pharmaceutical and Biomedical Analysis 2017, 135, 217ā226. https://doi.org/10.1016/j.jpba.2016.12.003
Supplementary material for: [https://doi.org/10.1016/j.jpba.2016.12.003]Related to published version: [http://cherry.chem.bg.ac.rs/handle/123456789/2386]Related to accepted version: [http://cherry.chem.bg.ac.rs/handle/123456789/3017
Supplementary data for article: NovakoviÄ, M. M.; StankoviÄ, M.; VuÄkoviÄ, I. M.; TodoroviÄ, N.; TrifunoviÄ, S. S.; TeÅ”eviÄ, V.; Vajs, V.; MilosavljeviÄ, S. M. Diarylheptanoids from Alnus Glutinosa Bark and Their Chemoprotective Effect on Human Lymphocytes DNA. Planta Medica 2013, 79 (6), 499ā505. https://doi.org/10.1055/s-0032-1328301
Supporting information for: [https://doi.org/10.1055/s-0032-1328301]Related to published version: [http://cherry.chem.bg.ac.rs/handle/123456789/1630
The subchronic effects of 3,4-methylendioxymethamphetamine on oxidative stress in rat brain
The aim of the present study was to evaluate the subchronic effects of 3,4-methylenedioxymethamphetamine on several oxidative stress markers: index of lipid peroxidation (ILP), superoxide dismutase (SOD) activity, superoxide radical (O2.-) levels, and reduced glutathione (GSH) levels in the frontal cortex, striatum and hippocampus of the rat. The study included 64 male Wistar rats (200-250 g). The animals were treated per os with of 5, 10, or 20 mg/kg of 3,4-methylenedioxymethamphetamine (MDMA) every day for 15 days. The subchronic administration of MDMA resulted in an increase in ILP, SOD and O2.-, and a decrease in GSH, from which we conclude that oxidative stress was induced in rat brain
Quantitative structure-toxicity relationship study of some natural and synthetic coumarins using retention parameters
Four lipophilicity descriptors (RM0, b, C0, PC1) for twelve coumarine derivatives were determined by reversed-phase thin-layer chromatography in order to analyze which descriptor best describes the lipophilicity of coumarines investigated. Moreover, possible chemical toxicity of coumarins, expressed as the probability of a compound to cause organ-specific health effects, was calculated using ACD/Tox Suite program. The quantitative relationships between toxicity and molecular descriptors, including experimentally determined lipophilicity descriptors obtained in current study, were investigated using partial least square regression. The best models were obtained for kidney and liver health effects. Quantitative structure-toxicity relationship models revealed the importance of electric polarization descriptors, size descriptors and lipophilicity descriptors. Obtained models were used for the selection of the structural features of the compounds that are significantly affecting their absorption, distribution, metabolism, excretion, and toxicity. [Acknowledgements. This work has been supported by the Ministry of Education and Science of Serbia, Grant 172017.
Supplementary data for article: VujisiÄ, L. V.; Makarov, S. E.; Curcic, B. P. M.; Ilic, B. S.; TeÅ”eviÄ, V.; GoÄevac, D.; VuÄkoviÄ, I. M.; Curcic, S. B.; MitiÄ, B. M. Composition of the Defensive Secretion in Three Species of European Millipedes. Journal of Chemical Ecology 2011, 37 (12), 1358ā1364. https://doi.org/10.1007/s10886-011-0040-3
Supplementary material for: [https://doi.org/10.1007/s10886-011-0040-3]Related to published version: [http://cherry.chem.bg.ac.rs/handle/123456789/1235
Supplementary data for the article: NovakoviÄ, M.; PeÅ”iÄ, M.; TrifunoviÄ, S.; VuÄkoviÄ, I.; TodoroviÄ, N.; Podolski-ReniÄ, A.; DiniÄ, J.; StojkoviÄ, S.; TeÅ”eviÄ, V.; Vajs, V.; et al. Diarylheptanoids from the Bark of Black Alder Inhibit the Growth of Sensitive and Multi-Drug Resistant Non-Small Cell Lung Carcinoma Cells. Phytochemistry 2014, 97, 46ā54. https://doi.org/10.1016/j.phytochem.2013.11.001
Supplementary material for: [https://doi.org/10.1016/j.phytochem.2013.11.001]Related to published version: [http://cherry.chem.bg.ac.rs/handle/123456789/1492
Volatile Constituents of Different Plant Parts and Populations of Malabaila aurea Boiss. from Montenegro
The volatile constituents of different plant parts and populations of Malabaila aurea Boiss. from Montenegro were obtained by simultaneous distillation-extraction and analyzed by GC-FID and GC-MS. A total of 12 samples were examined and 45 compounds were identified. The volatile content of different M. aurea populations was very similar, while the volatile fractions obtained from different plant parts showed significant qualitative and quantitative differences. The most abundant compounds found in stems & leaves were apiole (51.0-56.3%), myristicin (16.3-25.4%), and falcarinol (4.1-10.7%). The roots showed the same major components, but with different relative abundances: 30.9-49.1% of apiole, 12.9-34.7% of falcarinol, and 9.9-31.1% of myristicin. The volatile constituents of fruits & flowers were remarkably different, containing up to 71.2-80.5% octyl butyrate, 11.4-18.0% octanol, and 2.7-6.8% octyl hexanoate. The results were discussed as possible indication of relatedness of Malabaila aurea and Pastinaca sativa (parsnip)
Supplementary data for article: Andelkovic, B.; VujisiÄ, L. V.; VuÄkoviÄ, I. M.; TeÅ”eviÄ, V.; Vajs, V.; Godevac, D. Metabolomics Study of Populus Type Propolis. Journal of Pharmaceutical and Biomedical Analysis 2017, 135, 217ā226. https://doi.org/10.1016/j.jpba.2016.12.003
Supplementary material for: [https://doi.org/10.1016/j.jpba.2016.12.003]Related to published version: [http://cherry.chem.bg.ac.rs/handle/123456789/2386]Related to accepted version: [http://cherry.chem.bg.ac.rs/handle/123456789/3017
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