Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Novica Ristić"'
Autor:
Nebojša Živić, Slaviša Milošević, Vidoslav Dekić, Biljana Dekić, Novica Ristić, Milenko Ristić, Ljiljana Sretić
Publikováno v:
Czech Journal of Food Sciences, Vol 37, Iss 5, Pp 351-358 (2019)
The content of phytochemicals, total phenolics, total flavonoids and antioxidant potential of extracts of Juniperus communis L. and Juniperus oxycedrus L. berries were determined. Ethanol, ethyl acetate and chloroform were used for the process of ext
Externí odkaz:
https://doaj.org/article/3643de22e9014985b3c9baa6b80b6c21
Autor:
Marko Z. Mladenović, Vidoslav Dekić, Biljana Dekić, Niko S. Radulović, Novica Ristić, Milenko N. Ristić
Publikováno v:
Phytochemical Analysis. 31:501-515
Introduction Minor plant constituents are difficult to identify due to the challenging isolation and acquiring of reliable spectral data. Essential oils abound in such minor constituents that might be of high importance for their (e.g. olfactory) pro
Publikováno v:
The University Thought: Publication in Natural Sciences, Vol 10, Iss 1, Pp 20-25 (2020)
The University Thought-Publication in Natural Sciences (2020) 10(1):20-25
The University Thought-Publication in Natural Sciences (2020) 10(1):20-25
Considering the facts that phenolic compounds have many pharmacological effects, as well that antioxidant effect of phenolic compounds has been proven in various experimental systems, aim of this research was to determine the content of total phenols
Autor:
Novica Ristić, Ljiljana Sretić, Vidoslav Dekić, Nebojša Živić, Slaviša Milošević, Biljana Dekić, Milenko N. Ristić
Publikováno v:
Czech Journal of Food Sciences. 37:351-358
Publikováno v:
Bulletin of Natural Sciences Research (2020) 10(2):12-16
Bulletin of Natural Sciences Research, Vol 10, Iss 2, Pp 12-16 (2020)
Bulletin of Natural Sciences Research, Vol 10, Iss 2, Pp 12-16 (2020)
This research involves the reaction of 4-chloro-3-nitrocoumarin and (4-methoxyphenyl)methanamine, whereby a novel coumarin derivative 4-[(4-methoxybenzyl) amino]-3-nitro-2H-chromen-2-one was obtained in good yield. The reaction was carried out in eth
Autor:
Marko V. Rodić, Niko S. Radulović, Dejan Gurešić, Novica Ristić, Biljana Dekić, Milenko N. Ristić, Vidoslav Dekić
Publikováno v:
Zeitschrift für Kristallographie-New Crystal Structures, Vol 235, Iss 1, Pp 225-227 (2019)
C16H12N2O4, triclinic, P1̄ (no. 2), a = 10.7105(5) Å, b = 11.2685(5) Å, c = 13.0145(6) Å, α = 99.292(4)°, β = 109.607(4)°, γ = 96.771(4)°, V = 1435.01(12) Å3, Z = 4, Rgt(F) = 0.0427, wRref(F2) = 0.1124, T = 295(2) K.
Autor:
Biljana Dekić, Milenko N. Ristić, Vidoslav Dekić, Niko S. Radulović, Dejan Gurešić, Novica Ristić, Marko V. Rodić
Publikováno v:
Zeitschrift für Kristallographie-New Crystal Structures, Vol 234, Iss 4, Pp 729-731 (2019)
C22H18O10Zn, triclinic, P1̄ (no. 2), a = 7.9616(3) Å, b = 9.5386(3) Å, c = 14.2569(4) Å, α = 81.713(3)°, β = 82.724(3)°, γ = 73.103(3)°, V = 1021.03(6) Å3, Z = 2, R gt(F) = 0.0223, wR ref(F 2) = 0.0603, T = 295(2) K.
Autor:
Vladimir Ranđelović, Marko Z. Mladenović, Novica Ristić, Vidoslav Dekić, Biljana Dekić, Niko S. Radulović, Milenko N. Ristić
Publikováno v:
Chemistry & Biodiversity. 16
Some carnation species (Dianthus spp., Caryophyllaceae) exhibit a strong resistance to drought stress that is connected with the increased surface wax formation. Wax composition is unknown for the majority of Dianthus spp. Herein, mass spectral and g
Autor:
Milenko N. Ristić, Novica Ristić, Biljana Dekić, Zorica Stojanović-Radić, Vidoslav Dekić, Niko S. Radulović
Publikováno v:
Chemistrybiodiversity. 16(1)
Nine unsymmetrical azines containing a coumarin moiety were prepared by the reaction of the hydrazone of 4-hydroxy-3-acetylcoumarin with differently substituted aromatic aldehydes. The azines were fully spectrally characterized, including a complete
Publikováno v:
The University Thought-Publication in Natural Sciences (2018) 8(2):27-32
The University Thought: Publication in Natural Sciences, Vol 8, Iss 2, Pp 27-32 (2018)
The University Thought: Publication in Natural Sciences, Vol 8, Iss 2, Pp 27-32 (2018)
Synthesis, spectral characterization, and evaluation of in vitro antioxidant activity of a new coumarin derivative, 4- ((1,3,4-thiadiazol-2-yl)amino)-3-nitro-2H-chromene-2-one, are described. The synthesis of the new product was performed in three re