TY  - JOUR
AU  - Vujić, Bojan
AU  - Vidaković, Vera
AU  - Jadranin, Milka
AU  - Novaković, Irena
AU  - Trifunović, Snežana
AU  - Tešević, Vele
AU  - Mandić, Boris
PY  - 2020
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/3962
UR  - http://ibiss-r.rcub.bg.ac.rs/handle/123456789/3620
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3581
AB  - Helichrysum plicatum DC. is widely used in folk medicine in treating a variety of health disorders. The aim of this study was to examine the influence of different extraction solvents on the chemical composition, antioxidant potential, and antimicrobial activities of H. plicatum. Aerial parts were separately extracted with ethanol, dichloromethane, and sunflower oil. The oil extract (OE) was re-extracted with acetonitrile. A total of 142 compounds were tentatively identified in ethanolic (EE), dichloromethane (DCME), and acetonitrile (ACNE) extracts using HPLC-DAD/ESI-ToF-MS. The dominant compound class in all extracts were α-pyrones, alongside flavonoids in EE, terpenoids in DCME and ACNE, and phloroglucinols in DCME. The antioxidant potential of the extracts was assessed by the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH) assay. EE and DCME possessed the most potent radical scavenging capacity. Antimicrobial activity was investigated on eight bacterial, two yeast, and one fungal species. All extracts exhibited high antifungal and notable antibacterial activities compared to control substances, with DCME being the most potent. DCME exhibited stronger antimicrobial activity against P. aeruginosa than the standard chloramphenicol.
PB  - MDPI
T2  - Plants
T1  - Composition, Antioxidant Potential, and Antimicrobial Activity of Helichrysum plicatum DC. Various Extracts
VL  - 9
IS  - 3
SP  - 337
DO  - 10.3390/plants9030337
ER  - 

@article{
author = "Vujić, Bojan and Vidaković, Vera and Jadranin, Milka and Novaković, Irena and Trifunović, Snežana and Tešević, Vele and Mandić, Boris",
year = "2020",
abstract = "Helichrysum plicatum DC. is widely used in folk medicine in treating a variety of health disorders. The aim of this study was to examine the influence of different extraction solvents on the chemical composition, antioxidant potential, and antimicrobial activities of H. plicatum. Aerial parts were separately extracted with ethanol, dichloromethane, and sunflower oil. The oil extract (OE) was re-extracted with acetonitrile. A total of 142 compounds were tentatively identified in ethanolic (EE), dichloromethane (DCME), and acetonitrile (ACNE) extracts using HPLC-DAD/ESI-ToF-MS. The dominant compound class in all extracts were α-pyrones, alongside flavonoids in EE, terpenoids in DCME and ACNE, and phloroglucinols in DCME. The antioxidant potential of the extracts was assessed by the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH) assay. EE and DCME possessed the most potent radical scavenging capacity. Antimicrobial activity was investigated on eight bacterial, two yeast, and one fungal species. All extracts exhibited high antifungal and notable antibacterial activities compared to control substances, with DCME being the most potent. DCME exhibited stronger antimicrobial activity against P. aeruginosa than the standard chloramphenicol.",
publisher = "MDPI",
journal = "Plants",
title = "Composition, Antioxidant Potential, and Antimicrobial Activity of Helichrysum plicatum DC. Various Extracts",
volume = "9",
number = "3",
pages = "337",
doi = "10.3390/plants9030337"
}

Vujić, B., Vidaković, V., Jadranin, M., Novaković, I., Trifunović, S., Tešević, V.,& Mandić, B.. (2020). Composition, Antioxidant Potential, and Antimicrobial Activity of Helichrysum plicatum DC. Various Extracts. in Plants
MDPI., 9(3), 337.
https://doi.org/10.3390/plants9030337

Vujić B, Vidaković V, Jadranin M, Novaković I, Trifunović S, Tešević V, Mandić B. Composition, Antioxidant Potential, and Antimicrobial Activity of Helichrysum plicatum DC. Various Extracts. in Plants. 2020;9(3):337.
doi:10.3390/plants9030337 .

Vujić, Bojan, Vidaković, Vera, Jadranin, Milka, Novaković, Irena, Trifunović, Snežana, Tešević, Vele, Mandić, Boris, "Composition, Antioxidant Potential, and Antimicrobial Activity of Helichrysum plicatum DC. Various Extracts" in Plants, 9, no. 3 (2020):337,
https://doi.org/10.3390/plants9030337 . .

TY  - JOUR
AU  - Vidaković, Vera
AU  - Novaković, Miroslav
AU  - Popovic, Zorica
AU  - Janković, Milan
AU  - Matić, Rada
AU  - Tešević, Vele
AU  - Bojovic, Srdjan
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2459
AB  - Diarylheptanoids are a group of secondary metabolites widely distributed in the Betulaceae family and characteristic for Alnus species. In this study, the chemotaxonomic power of diarylheptanoids, such as hirsutanonol-5-O-beta-d-glucopyranoside, rubranoside A, oregonin, platyphylloside, alnuside A and hirsutanonol, has been investigated in combination with principal component analysis (PCA) for differentiation of Alnus species. Concentrations of six diarylheptanoids in the bark extracts of two natural populations of Alnus glutinosa (black alder) and Alnus incana (gray alder) were determined by -ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). PCA clearly shows the separation of three groups. Populations I (A. glutinosa) and II (A. incana) both consisted of individuals of the corresponding species. Four individuals from both sampled populations formed a separate group (population III), which possibly represents a hybrid group. Accordingly, diarylheptanoids may serve in combination with PCA as chemotaxonomic markers at the species level, which may also reveal hybrid species.
PB  - Walter De Gruyter
T2  - Holzforschung
T1  - Significance of diarylheptanoids for chemotaxonomical distinguishing between Alnus glutinosa and Alnus incana
VL  - 72
IS  - 1
SP  - 9
EP  - 16
DO  - 10.1515/hf-2017-0074
ER  - 

@article{
author = "Vidaković, Vera and Novaković, Miroslav and Popovic, Zorica and Janković, Milan and Matić, Rada and Tešević, Vele and Bojovic, Srdjan",
year = "2018",
abstract = "Diarylheptanoids are a group of secondary metabolites widely distributed in the Betulaceae family and characteristic for Alnus species. In this study, the chemotaxonomic power of diarylheptanoids, such as hirsutanonol-5-O-beta-d-glucopyranoside, rubranoside A, oregonin, platyphylloside, alnuside A and hirsutanonol, has been investigated in combination with principal component analysis (PCA) for differentiation of Alnus species. Concentrations of six diarylheptanoids in the bark extracts of two natural populations of Alnus glutinosa (black alder) and Alnus incana (gray alder) were determined by -ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). PCA clearly shows the separation of three groups. Populations I (A. glutinosa) and II (A. incana) both consisted of individuals of the corresponding species. Four individuals from both sampled populations formed a separate group (population III), which possibly represents a hybrid group. Accordingly, diarylheptanoids may serve in combination with PCA as chemotaxonomic markers at the species level, which may also reveal hybrid species.",
publisher = "Walter De Gruyter",
journal = "Holzforschung",
title = "Significance of diarylheptanoids for chemotaxonomical distinguishing between Alnus glutinosa and Alnus incana",
volume = "72",
number = "1",
pages = "9-16",
doi = "10.1515/hf-2017-0074"
}

Vidaković, V., Novaković, M., Popovic, Z., Janković, M., Matić, R., Tešević, V.,& Bojovic, S.. (2018). Significance of diarylheptanoids for chemotaxonomical distinguishing between Alnus glutinosa and Alnus incana. in Holzforschung
Walter De Gruyter., 72(1), 9-16.
https://doi.org/10.1515/hf-2017-0074

Vidaković V, Novaković M, Popovic Z, Janković M, Matić R, Tešević V, Bojovic S. Significance of diarylheptanoids for chemotaxonomical distinguishing between Alnus glutinosa and Alnus incana. in Holzforschung. 2018;72(1):9-16.
doi:10.1515/hf-2017-0074 .

Vidaković, Vera, Novaković, Miroslav, Popovic, Zorica, Janković, Milan, Matić, Rada, Tešević, Vele, Bojovic, Srdjan, "Significance of diarylheptanoids for chemotaxonomical distinguishing between Alnus glutinosa and Alnus incana" in Holzforschung, 72, no. 1 (2018):9-16,
https://doi.org/10.1515/hf-2017-0074 . .

TY  - JOUR
AU  - Vidaković, Vera
AU  - Stefanovic, Milena
AU  - Novaković, Miroslav
AU  - Jadranin, Milka
AU  - Popovic, Zorica
AU  - Matić, Rada
AU  - Tešević, Vele
AU  - Bojovic, Srdjan
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2377
AB  - The reliability of diarylheptanoids as chemotaxonomic markers at inter-and intraspecific levels has been investigated. Six diarylheptanoids were quantified in bark ethanol extracts of four Alnus spp. populations by ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The populations described here as locus classicus Alnus glutinosa (I) and locus classicus Alnus incana (III) are clearly differentiated. Compared to population I, individuals in population III have higher extract yields and hirsutanonol-5-O-beta-D-glucopyranoside content and lower contents of hirsutanonol, rubranoside A and oregonin. Individuals from neighboring populations of A. glutinosa (II) and A. incana (IV) share similar contents of hirsutanonol. All the studied populations exhibit a high intrapopulation variability of the selected diarylheptanoids; they have a heterogeneous chemotype and they partially overlap. The geographical proximity of populations II and IV increases their chemical similarity. Principal component analysis (PCA) clearly shows that the biggest dispersion of individuals lies within population IV. The reason for its heterogeneity might be its physical proximity to population II, i. e. the appearance of hybrids. Also, geometric morphometrics of leaves was performed as a screening criterion for spontaneous hybrids.
PB  - Walter De Gruyter
T2  - Holzforschung
T1  - Inter- and intraspecific variability of selected diarylheptanoid compounds and leaf morphometric traits in Alnus glutinosa and Alnus incana
VL  - 72
IS  - 12
SP  - 1031
EP  - 1041
DO  - 10.1515/hf-2018-0019
ER  - 

@article{
author = "Vidaković, Vera and Stefanovic, Milena and Novaković, Miroslav and Jadranin, Milka and Popovic, Zorica and Matić, Rada and Tešević, Vele and Bojovic, Srdjan",
year = "2018",
abstract = "The reliability of diarylheptanoids as chemotaxonomic markers at inter-and intraspecific levels has been investigated. Six diarylheptanoids were quantified in bark ethanol extracts of four Alnus spp. populations by ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The populations described here as locus classicus Alnus glutinosa (I) and locus classicus Alnus incana (III) are clearly differentiated. Compared to population I, individuals in population III have higher extract yields and hirsutanonol-5-O-beta-D-glucopyranoside content and lower contents of hirsutanonol, rubranoside A and oregonin. Individuals from neighboring populations of A. glutinosa (II) and A. incana (IV) share similar contents of hirsutanonol. All the studied populations exhibit a high intrapopulation variability of the selected diarylheptanoids; they have a heterogeneous chemotype and they partially overlap. The geographical proximity of populations II and IV increases their chemical similarity. Principal component analysis (PCA) clearly shows that the biggest dispersion of individuals lies within population IV. The reason for its heterogeneity might be its physical proximity to population II, i. e. the appearance of hybrids. Also, geometric morphometrics of leaves was performed as a screening criterion for spontaneous hybrids.",
publisher = "Walter De Gruyter",
journal = "Holzforschung",
title = "Inter- and intraspecific variability of selected diarylheptanoid compounds and leaf morphometric traits in Alnus glutinosa and Alnus incana",
volume = "72",
number = "12",
pages = "1031-1041",
doi = "10.1515/hf-2018-0019"
}

Vidaković, V., Stefanovic, M., Novaković, M., Jadranin, M., Popovic, Z., Matić, R., Tešević, V.,& Bojovic, S.. (2018). Inter- and intraspecific variability of selected diarylheptanoid compounds and leaf morphometric traits in Alnus glutinosa and Alnus incana. in Holzforschung
Walter De Gruyter., 72(12), 1031-1041.
https://doi.org/10.1515/hf-2018-0019

Vidaković V, Stefanovic M, Novaković M, Jadranin M, Popovic Z, Matić R, Tešević V, Bojovic S. Inter- and intraspecific variability of selected diarylheptanoid compounds and leaf morphometric traits in Alnus glutinosa and Alnus incana. in Holzforschung. 2018;72(12):1031-1041.
doi:10.1515/hf-2018-0019 .

Vidaković, Vera, Stefanovic, Milena, Novaković, Miroslav, Jadranin, Milka, Popovic, Zorica, Matić, Rada, Tešević, Vele, Bojovic, Srdjan, "Inter- and intraspecific variability of selected diarylheptanoid compounds and leaf morphometric traits in Alnus glutinosa and Alnus incana" in Holzforschung, 72, no. 12 (2018):1031-1041,
https://doi.org/10.1515/hf-2018-0019 . .

TY  - JOUR
AU  - Novaković, Miroslav
AU  - Nikodinović-Runić, Jasmina
AU  - Veselinović, Jovana
AU  - Ilić-Tomić, Tatjana
AU  - Vidaković, Vera
AU  - Tešević, Vele
AU  - Milosavljević, Slobodan
PY  - 2017
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2237
AB  - Seven derivatives of pentacyclic triterpene acids (1-7) were isolated from the bark of Alnus viridis ssp. viridis using a combination of column chromatography and semipreparative HPLC. Compounds 1-3, 6, and 7 were determined to be new after spectroscopic data interpretation and were assigned as 27-hydroxyalphitolic acid derivatives (1-3), a 27-hydroxybetulinic acid derivative (6), and a 3-epi-maslinic acid derivative (7), respectively. Pentacyclic triterpenoids with a C-27 hydroxymethyl group have been found in species of the genus Alnus for the first time. These compounds were subjected to cytotoxicity testing against a number of canter cell lines. Also, selected pentacyclic triterpenoids were selected as potential inhibitors of topoisomerases I and Ha for an in silico investigation.
PB  - American Chemical Society (ACS)
T2  - Journal of Natural Products
T1  - Bioactive Pentacyclic Triterpene Ester Derivatives from Alnus viridis ssp viridis Bark
VL  - 80
IS  - 5
SP  - 1255
EP  - 1263
DO  - 10.1021/acs.jnatprod.6b00805
ER  - 

@article{
author = "Novaković, Miroslav and Nikodinović-Runić, Jasmina and Veselinović, Jovana and Ilić-Tomić, Tatjana and Vidaković, Vera and Tešević, Vele and Milosavljević, Slobodan",
year = "2017",
abstract = "Seven derivatives of pentacyclic triterpene acids (1-7) were isolated from the bark of Alnus viridis ssp. viridis using a combination of column chromatography and semipreparative HPLC. Compounds 1-3, 6, and 7 were determined to be new after spectroscopic data interpretation and were assigned as 27-hydroxyalphitolic acid derivatives (1-3), a 27-hydroxybetulinic acid derivative (6), and a 3-epi-maslinic acid derivative (7), respectively. Pentacyclic triterpenoids with a C-27 hydroxymethyl group have been found in species of the genus Alnus for the first time. These compounds were subjected to cytotoxicity testing against a number of canter cell lines. Also, selected pentacyclic triterpenoids were selected as potential inhibitors of topoisomerases I and Ha for an in silico investigation.",
publisher = "American Chemical Society (ACS)",
journal = "Journal of Natural Products",
title = "Bioactive Pentacyclic Triterpene Ester Derivatives from Alnus viridis ssp viridis Bark",
volume = "80",
number = "5",
pages = "1255-1263",
doi = "10.1021/acs.jnatprod.6b00805"
}

Novaković, M., Nikodinović-Runić, J., Veselinović, J., Ilić-Tomić, T., Vidaković, V., Tešević, V.,& Milosavljević, S.. (2017). Bioactive Pentacyclic Triterpene Ester Derivatives from Alnus viridis ssp viridis Bark. in Journal of Natural Products
American Chemical Society (ACS)., 80(5), 1255-1263.
https://doi.org/10.1021/acs.jnatprod.6b00805

Novaković M, Nikodinović-Runić J, Veselinović J, Ilić-Tomić T, Vidaković V, Tešević V, Milosavljević S. Bioactive Pentacyclic Triterpene Ester Derivatives from Alnus viridis ssp viridis Bark. in Journal of Natural Products. 2017;80(5):1255-1263.
doi:10.1021/acs.jnatprod.6b00805 .

Novaković, Miroslav, Nikodinović-Runić, Jasmina, Veselinović, Jovana, Ilić-Tomić, Tatjana, Vidaković, Vera, Tešević, Vele, Milosavljević, Slobodan, "Bioactive Pentacyclic Triterpene Ester Derivatives from Alnus viridis ssp viridis Bark" in Journal of Natural Products, 80, no. 5 (2017):1255-1263,
https://doi.org/10.1021/acs.jnatprod.6b00805 . .