TY  - JOUR
AU  - Gorjanović, Stanislava
AU  - Pastor, Ferenc T.
AU  - Loupassaki, Sofia
AU  - Veljović, Mile
AU  - Vukosavljević, Predrag
AU  - Zlatanović, Snežana
AU  - Pezo, Lato
PY  - 2020
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/5405
AB  - Serbian aromatized wine "Bermet" from grapes grown on Fruska Gora Mountain has been in production since the 15th century. Ten commercial Bermets produced according to the traditional procedure by different manufacturers, and six prepared within the scope of this study were assessed for antioxidant (AO) activity using electrochemical, chemiluminescent and spectrophotometric AO assays. Direct current polarographic assay based on the decrease of anodic current of [hydrogen(peroxido)(1-)]hydroxidomercury(II) complex formation in alkaline H2O2 solution at potential of mercury oxidation, chemiluminescent H2O2 scavenging assay, as well as commonly used spectrophotometric assays (2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) based Trolox equivalent antioxidant capacity (TEAC), 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP)) were used. Total phenolic content (TPC) was determined by Folin-Ciocalteu assay. The results obtained were correlated using regression analysis, ANOVA and F-test. An integrated approach to AO capacity determination allowed a more comprehensive comparison between samples. The approach is based on the introduction of the relative antioxidant capacity index, calculated by assigning each AO assay equal weight, and by PCA analysis. In addition, the introduction of phenolic antioxidant coefficients, calculated as the ratio between individual AO capacity and TPC, enabled a better understanding of their relation.
PB  - Srpsko hemijsko društvo, Beograd
T2  - JOURNAL OF THE SERBIAN CHEMICAL SOCIETY
T1  - Serbian aromatized wine "Bermet": Electrochemical, chemiluminescent and spectrophotometric determination of antioxidant activity
EP  - 529
IS  - 4
SP  - 517
VL  - 85
DO  - 10.2298/JSC190404139G
ER  - 

@article{
author = "Gorjanović, Stanislava and Pastor, Ferenc T. and Loupassaki, Sofia and Veljović, Mile and Vukosavljević, Predrag and Zlatanović, Snežana and Pezo, Lato",
year = "2020",
abstract = "Serbian aromatized wine "Bermet" from grapes grown on Fruska Gora Mountain has been in production since the 15th century. Ten commercial Bermets produced according to the traditional procedure by different manufacturers, and six prepared within the scope of this study were assessed for antioxidant (AO) activity using electrochemical, chemiluminescent and spectrophotometric AO assays. Direct current polarographic assay based on the decrease of anodic current of [hydrogen(peroxido)(1-)]hydroxidomercury(II) complex formation in alkaline H2O2 solution at potential of mercury oxidation, chemiluminescent H2O2 scavenging assay, as well as commonly used spectrophotometric assays (2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) based Trolox equivalent antioxidant capacity (TEAC), 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP)) were used. Total phenolic content (TPC) was determined by Folin-Ciocalteu assay. The results obtained were correlated using regression analysis, ANOVA and F-test. An integrated approach to AO capacity determination allowed a more comprehensive comparison between samples. The approach is based on the introduction of the relative antioxidant capacity index, calculated by assigning each AO assay equal weight, and by PCA analysis. In addition, the introduction of phenolic antioxidant coefficients, calculated as the ratio between individual AO capacity and TPC, enabled a better understanding of their relation.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "JOURNAL OF THE SERBIAN CHEMICAL SOCIETY",
title = "Serbian aromatized wine "Bermet": Electrochemical, chemiluminescent and spectrophotometric determination of antioxidant activity",
pages = "529-517",
number = "4",
volume = "85",
doi = "10.2298/JSC190404139G"
}

Gorjanović, S., Pastor, F. T., Loupassaki, S., Veljović, M., Vukosavljević, P., Zlatanović, S.,& Pezo, L.. (2020). Serbian aromatized wine "Bermet": Electrochemical, chemiluminescent and spectrophotometric determination of antioxidant activity. in JOURNAL OF THE SERBIAN CHEMICAL SOCIETY
Srpsko hemijsko društvo, Beograd., 85(4), 517-529.
https://doi.org/10.2298/JSC190404139G

Gorjanović S, Pastor FT, Loupassaki S, Veljović M, Vukosavljević P, Zlatanović S, Pezo L. Serbian aromatized wine "Bermet": Electrochemical, chemiluminescent and spectrophotometric determination of antioxidant activity. in JOURNAL OF THE SERBIAN CHEMICAL SOCIETY. 2020;85(4):517-529.
doi:10.2298/JSC190404139G .

Gorjanović, Stanislava, Pastor, Ferenc T., Loupassaki, Sofia, Veljović, Mile, Vukosavljević, Predrag, Zlatanović, Snežana, Pezo, Lato, "Serbian aromatized wine "Bermet": Electrochemical, chemiluminescent and spectrophotometric determination of antioxidant activity" in JOURNAL OF THE SERBIAN CHEMICAL SOCIETY, 85, no. 4 (2020):517-529,
https://doi.org/10.2298/JSC190404139G . .

TY  - JOUR
AU  - Petrović, Marija
AU  - Pastor, Ferenc T.
AU  - Durović, Sasa
AU  - Veljović, Sonja
AU  - Gorjanović, Stanislava
AU  - Sredojević, Milica
AU  - Vukosavljević, Predrag
PY  - 2020
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/5257
AB  - In this study, a novel green walnut liqueur (GWL) based on green walnuts, as the main ingredient, with the addition of fruits, aromatic plants, chocolate and honey, was produced at the pilot-scale. Antioxidant activity (AO) of the obtained GWL was determined using multiple AO assays in parallel, standard spectrophotometric (FC, DPPH and FRAP) and recently developed electrochemical ones, HydroxoPerhydroxoMercury(II) Complex and Mercury Reduction Antioxidant Power, and compared to similar commercial alcoholic beverages. Characterization of the GWL in terms of volatile and polyphenolic components was performed using SPE-GC-MS and HPLC-DAD-MS/MS, respectively. Sensory quality assessment was performed by experts in the field of sensory analysis of alcoholic beverages, using a scoring method. According to all AO assays applied, AO activity and total phenolics content of GWL were superior in comparison to commercial spirits considered. The volatile fraction of GWL was mainly composed of eugenol,alpha-terpineol and vanillin, while the most prevalent phenolic compounds were gallic (5.054 mg/L) and chlorogenic acid (1.307 mg/L) and flavonoids such as catechine (0.882 mg/L), quercetin (0.499 mg/L) and its sugar-conjugated derivatives, quercetin 3-O-glucoside (0.774 mg/L) and quercetin-3-O-rhamnoside (0.614 mg/L). Gallic acid is the major contributor to total AO activity, especially determined by DPPH and FRAP, followed by catechine, quercetin and chlorogenic acid. Among the terpenoids, contribution of eugenol to total AO activity is estimated as the highest. Excellent sensory quality (18.52 of maximum 20 scores) was ascribed to GWL. Consequently, the presence of bioactive compounds and high AO activity of GWL, in addition to high sensory quality score, indicates a high market potential for this high-value product.
PB  - Springer India, New Delhi
T2  - Journal of Food Science and Technology-Mysore
T1  - Evaluation of novel green walnut liqueur as a source of antioxidants: Multi-method approach
DO  - 10.1007/s13197-020-04726-6
ER  - 

@article{
author = "Petrović, Marija and Pastor, Ferenc T. and Durović, Sasa and Veljović, Sonja and Gorjanović, Stanislava and Sredojević, Milica and Vukosavljević, Predrag",
year = "2020",
abstract = "In this study, a novel green walnut liqueur (GWL) based on green walnuts, as the main ingredient, with the addition of fruits, aromatic plants, chocolate and honey, was produced at the pilot-scale. Antioxidant activity (AO) of the obtained GWL was determined using multiple AO assays in parallel, standard spectrophotometric (FC, DPPH and FRAP) and recently developed electrochemical ones, HydroxoPerhydroxoMercury(II) Complex and Mercury Reduction Antioxidant Power, and compared to similar commercial alcoholic beverages. Characterization of the GWL in terms of volatile and polyphenolic components was performed using SPE-GC-MS and HPLC-DAD-MS/MS, respectively. Sensory quality assessment was performed by experts in the field of sensory analysis of alcoholic beverages, using a scoring method. According to all AO assays applied, AO activity and total phenolics content of GWL were superior in comparison to commercial spirits considered. The volatile fraction of GWL was mainly composed of eugenol,alpha-terpineol and vanillin, while the most prevalent phenolic compounds were gallic (5.054 mg/L) and chlorogenic acid (1.307 mg/L) and flavonoids such as catechine (0.882 mg/L), quercetin (0.499 mg/L) and its sugar-conjugated derivatives, quercetin 3-O-glucoside (0.774 mg/L) and quercetin-3-O-rhamnoside (0.614 mg/L). Gallic acid is the major contributor to total AO activity, especially determined by DPPH and FRAP, followed by catechine, quercetin and chlorogenic acid. Among the terpenoids, contribution of eugenol to total AO activity is estimated as the highest. Excellent sensory quality (18.52 of maximum 20 scores) was ascribed to GWL. Consequently, the presence of bioactive compounds and high AO activity of GWL, in addition to high sensory quality score, indicates a high market potential for this high-value product.",
publisher = "Springer India, New Delhi",
journal = "Journal of Food Science and Technology-Mysore",
title = "Evaluation of novel green walnut liqueur as a source of antioxidants: Multi-method approach",
doi = "10.1007/s13197-020-04726-6"
}

Petrović, M., Pastor, F. T., Durović, S., Veljović, S., Gorjanović, S., Sredojević, M.,& Vukosavljević, P.. (2020). Evaluation of novel green walnut liqueur as a source of antioxidants: Multi-method approach. in Journal of Food Science and Technology-Mysore
Springer India, New Delhi..
https://doi.org/10.1007/s13197-020-04726-6

Petrović M, Pastor FT, Durović S, Veljović S, Gorjanović S, Sredojević M, Vukosavljević P. Evaluation of novel green walnut liqueur as a source of antioxidants: Multi-method approach. in Journal of Food Science and Technology-Mysore. 2020;.
doi:10.1007/s13197-020-04726-6 .

Petrović, Marija, Pastor, Ferenc T., Durović, Sasa, Veljović, Sonja, Gorjanović, Stanislava, Sredojević, Milica, Vukosavljević, Predrag, "Evaluation of novel green walnut liqueur as a source of antioxidants: Multi-method approach" in Journal of Food Science and Technology-Mysore (2020),
https://doi.org/10.1007/s13197-020-04726-6 . .

TY  - JOUR
AU  - Stojicević, Aleksandra S.
AU  - Pastor, Ferenc T.
AU  - Gorjanović, Stanislava
AU  - Šolević-Knudsen, Tatjana
AU  - Antić, Mališa
PY  - 2020
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/5368
AB  - A direct current (DC) polarographic assay based on the decrease of anodic current of HydroxoPerhydroxoMercury (II) Complex (HPMC) formation in H2O2 solution in Clark Lubs (CL) buffer (pH 9.8) as working solution was previously applied to determine antioxidant (AO) capacity of water-soluble compounds. Here, the applicability of HPMC assay was extended into samples poorly soluble in water such as the essential oils and extracts of Lamiaceae and Apiaceae species obtained by ultrasound-assisted maceration (UAM) and Soxhlet extraction (SE) with 70 and 96% ethanol as well as individual compounds present. The influence of solvents miscible with water on HPMC anodic current was studied, and working solution was optimized. A modified HPMC method was applied to measure AO capacity of essential oils and extracts as well as compounds identified using gas chromatography-mass spectrometer (GC-MS) and gas chromatography with flame-ionization detection (GC-FID) (terpenoids and catechols) or known to be present (phenolic acids and flavonoids). A 1:1 mixture of CL buffer and ethanol was chosen as working solution. AO capacity of essential oils and extracts, established by modified HPMC assay, was in range of 1.2-2.0 and 9.2-38.4 (%/mL) while terpenoids and phenolics in range of 0.1-0.5 and 13.5-38.5 (%/mol), respectively. The superior AO capacity was ascribed to essential oils and extracts of Lamiaceae species and to extracts obtained with 70% ethanol. A higher AO capacity of extracts in comparison to essential oils was corroborated with a difference in phenolics and terpenoids capacity.
PB  - Wiley, Hoboken
T2  - Flavour and Fragrance Journal
T1  - Modification of DC polarographic antioxidant assay-Application to aromatic plants and their active principles
EP  - 226
IS  - 2
SP  - 219
VL  - 35
DO  - 10.1002/ffj.3555
ER  - 

@article{
author = "Stojicević, Aleksandra S. and Pastor, Ferenc T. and Gorjanović, Stanislava and Šolević-Knudsen, Tatjana and Antić, Mališa",
year = "2020",
abstract = "A direct current (DC) polarographic assay based on the decrease of anodic current of HydroxoPerhydroxoMercury (II) Complex (HPMC) formation in H2O2 solution in Clark Lubs (CL) buffer (pH 9.8) as working solution was previously applied to determine antioxidant (AO) capacity of water-soluble compounds. Here, the applicability of HPMC assay was extended into samples poorly soluble in water such as the essential oils and extracts of Lamiaceae and Apiaceae species obtained by ultrasound-assisted maceration (UAM) and Soxhlet extraction (SE) with 70 and 96% ethanol as well as individual compounds present. The influence of solvents miscible with water on HPMC anodic current was studied, and working solution was optimized. A modified HPMC method was applied to measure AO capacity of essential oils and extracts as well as compounds identified using gas chromatography-mass spectrometer (GC-MS) and gas chromatography with flame-ionization detection (GC-FID) (terpenoids and catechols) or known to be present (phenolic acids and flavonoids). A 1:1 mixture of CL buffer and ethanol was chosen as working solution. AO capacity of essential oils and extracts, established by modified HPMC assay, was in range of 1.2-2.0 and 9.2-38.4 (%/mL) while terpenoids and phenolics in range of 0.1-0.5 and 13.5-38.5 (%/mol), respectively. The superior AO capacity was ascribed to essential oils and extracts of Lamiaceae species and to extracts obtained with 70% ethanol. A higher AO capacity of extracts in comparison to essential oils was corroborated with a difference in phenolics and terpenoids capacity.",
publisher = "Wiley, Hoboken",
journal = "Flavour and Fragrance Journal",
title = "Modification of DC polarographic antioxidant assay-Application to aromatic plants and their active principles",
pages = "226-219",
number = "2",
volume = "35",
doi = "10.1002/ffj.3555"
}

Stojicević, A. S., Pastor, F. T., Gorjanović, S., Šolević-Knudsen, T.,& Antić, M.. (2020). Modification of DC polarographic antioxidant assay-Application to aromatic plants and their active principles. in Flavour and Fragrance Journal
Wiley, Hoboken., 35(2), 219-226.
https://doi.org/10.1002/ffj.3555

Stojicević AS, Pastor FT, Gorjanović S, Šolević-Knudsen T, Antić M. Modification of DC polarographic antioxidant assay-Application to aromatic plants and their active principles. in Flavour and Fragrance Journal. 2020;35(2):219-226.
doi:10.1002/ffj.3555 .

Stojicević, Aleksandra S., Pastor, Ferenc T., Gorjanović, Stanislava, Šolević-Knudsen, Tatjana, Antić, Mališa, "Modification of DC polarographic antioxidant assay-Application to aromatic plants and their active principles" in Flavour and Fragrance Journal, 35, no. 2 (2020):219-226,
https://doi.org/10.1002/ffj.3555 . .

TY  - JOUR
AU  - Gorjanović, Stanislava
AU  - Komes, Draženka
AU  - Laličić-Petronijević, Jovanka
AU  - Pastor, Ferenc T.
AU  - Belscak-Cvitanović, Ana
AU  - Veljović, Mile
AU  - Pezo, Lato
AU  - Suznjević, Desanka Z.
PY  - 2017
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4471
AB  - Antioxidant (AO) capacity of instant, espresso, filter and Turkish/Greek coffee brews, coffee substitutes (roasted chicory root, barley, pea, chickpea, carob and dried fig) and individual compounds (phenolic acids, flavonoids, methylxanthines, N-methyl pyridinium and HMW melanoidins) was assessed using DC polarographic assay based on decrease of anodic current originating from hydroxo-perhydroxo mercury complex formed in alkaline solutions of H2O2 at potential of mercury dissolution, as well as three spectrophotometric assays (DPPH, ABTS and FRAP). A large difference between applied assays ability to recognize various types of individual AOs was noticed. Only according to DC polarographic assay significant AO activity was ascribed to methylxanthines and N-methyl pyridinum. The total content of phenolics (TPC) present in complex samples was determined by FC assay. The highest TPC was ascribed to instant coffees and coffee substitutes while the lowest to decaffeinated filter coffee. Complex samples were grouped based on principal components analysis, phenolics AO coefficient, calculated as the ratio between AO capacity and TPC, and relative AO capacity index (RACI), calculated by assigning equal weight to all applied assays including FC. The highest values of RACI were ascribed to instant coffee brews, followed by substitutes while the lowest to the decaffeinated espresso coffee.
PB  - Springer India, New Delhi
T2  - Journal of Food Science and Technology-Mysore
T1  - Antioxidant efficiency of polyphenols from coffee and coffee substitutes-electrochemical versus spectrophotometric approach
EP  - 2331
IS  - 8
SP  - 2324
VL  - 54
DO  - 10.1007/s13197-017-2672-y
ER  - 

@article{
author = "Gorjanović, Stanislava and Komes, Draženka and Laličić-Petronijević, Jovanka and Pastor, Ferenc T. and Belscak-Cvitanović, Ana and Veljović, Mile and Pezo, Lato and Suznjević, Desanka Z.",
year = "2017",
abstract = "Antioxidant (AO) capacity of instant, espresso, filter and Turkish/Greek coffee brews, coffee substitutes (roasted chicory root, barley, pea, chickpea, carob and dried fig) and individual compounds (phenolic acids, flavonoids, methylxanthines, N-methyl pyridinium and HMW melanoidins) was assessed using DC polarographic assay based on decrease of anodic current originating from hydroxo-perhydroxo mercury complex formed in alkaline solutions of H2O2 at potential of mercury dissolution, as well as three spectrophotometric assays (DPPH, ABTS and FRAP). A large difference between applied assays ability to recognize various types of individual AOs was noticed. Only according to DC polarographic assay significant AO activity was ascribed to methylxanthines and N-methyl pyridinum. The total content of phenolics (TPC) present in complex samples was determined by FC assay. The highest TPC was ascribed to instant coffees and coffee substitutes while the lowest to decaffeinated filter coffee. Complex samples were grouped based on principal components analysis, phenolics AO coefficient, calculated as the ratio between AO capacity and TPC, and relative AO capacity index (RACI), calculated by assigning equal weight to all applied assays including FC. The highest values of RACI were ascribed to instant coffee brews, followed by substitutes while the lowest to the decaffeinated espresso coffee.",
publisher = "Springer India, New Delhi",
journal = "Journal of Food Science and Technology-Mysore",
title = "Antioxidant efficiency of polyphenols from coffee and coffee substitutes-electrochemical versus spectrophotometric approach",
pages = "2331-2324",
number = "8",
volume = "54",
doi = "10.1007/s13197-017-2672-y"
}

Gorjanović, S., Komes, D., Laličić-Petronijević, J., Pastor, F. T., Belscak-Cvitanović, A., Veljović, M., Pezo, L.,& Suznjević, D. Z.. (2017). Antioxidant efficiency of polyphenols from coffee and coffee substitutes-electrochemical versus spectrophotometric approach. in Journal of Food Science and Technology-Mysore
Springer India, New Delhi., 54(8), 2324-2331.
https://doi.org/10.1007/s13197-017-2672-y

Gorjanović S, Komes D, Laličić-Petronijević J, Pastor FT, Belscak-Cvitanović A, Veljović M, Pezo L, Suznjević DZ. Antioxidant efficiency of polyphenols from coffee and coffee substitutes-electrochemical versus spectrophotometric approach. in Journal of Food Science and Technology-Mysore. 2017;54(8):2324-2331.
doi:10.1007/s13197-017-2672-y .

Gorjanović, Stanislava, Komes, Draženka, Laličić-Petronijević, Jovanka, Pastor, Ferenc T., Belscak-Cvitanović, Ana, Veljović, Mile, Pezo, Lato, Suznjević, Desanka Z., "Antioxidant efficiency of polyphenols from coffee and coffee substitutes-electrochemical versus spectrophotometric approach" in Journal of Food Science and Technology-Mysore, 54, no. 8 (2017):2324-2331,
https://doi.org/10.1007/s13197-017-2672-y . .

TY  - JOUR
AU  - Laličić-Petronijević, Jovanka
AU  - Komes, Draženka
AU  - Gorjanović, Stanislava
AU  - Belscak-Cvitanović, Ana
AU  - Pezo, Lato
AU  - Pastor, Ferenc T.
AU  - Ostojić, Sanja
AU  - Popov-Raljić, Jovanka
AU  - Suznjević, Desanka
PY  - 2016
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4194
AB  - Antioxidant (AO) capacity of chocolates with 27, 44 and 75 % cocoa was assessed after production and during twelve months of storage by direct current (DC) polarographic assay, based on the decrease of anodic current caused by the formation of hydroxo-perhydroxyl mercury(II) complex (HPMC) in alkaline solutions of hydrogen peroxide at potentials of mercury oxidation, and two spectrophotometric assays. Relative antioxidant capacity index (RACI) was calculated by taking the average value of the AO assay (the sample mass in all assays was identical). Oxidative stability of chocolate fat was determined by differential scanning calorimetry. Measured parameters and RACI were correlated mutually and with the content of total phenols (Folin-Ciocalteu assay), flavan-3-ols (vanillin and p-dimethylaminocinnamaldehyde assay) and proanthocyanidins (modified Bate-Smith assay). During storage, the studied functional and health-related characteristics remained unchanged. Amongst applied AO assays, the DC polarographic one, whose validity was confirmed by two-way ANOVA and F-test, correlated most significantly with oxidative stability (oxidation onset temperature and induction time). In addition, principal component analysis was applied to characterise chocolate types.
PB  - University of Zagreb
T2  - Food Technology and Biotechnology
T1  - Content of Total Phenolics, Flavan-3-Ols and Proanthocyanidins, Oxidative Stability and Antioxidant Capacity of Chocolate During Storage
EP  - 20
IS  - 1
SP  - 13
VL  - 54
DO  - 10.17113/ftb.54.01.16.4014
ER  - 

@article{
author = "Laličić-Petronijević, Jovanka and Komes, Draženka and Gorjanović, Stanislava and Belscak-Cvitanović, Ana and Pezo, Lato and Pastor, Ferenc T. and Ostojić, Sanja and Popov-Raljić, Jovanka and Suznjević, Desanka",
year = "2016",
abstract = "Antioxidant (AO) capacity of chocolates with 27, 44 and 75 % cocoa was assessed after production and during twelve months of storage by direct current (DC) polarographic assay, based on the decrease of anodic current caused by the formation of hydroxo-perhydroxyl mercury(II) complex (HPMC) in alkaline solutions of hydrogen peroxide at potentials of mercury oxidation, and two spectrophotometric assays. Relative antioxidant capacity index (RACI) was calculated by taking the average value of the AO assay (the sample mass in all assays was identical). Oxidative stability of chocolate fat was determined by differential scanning calorimetry. Measured parameters and RACI were correlated mutually and with the content of total phenols (Folin-Ciocalteu assay), flavan-3-ols (vanillin and p-dimethylaminocinnamaldehyde assay) and proanthocyanidins (modified Bate-Smith assay). During storage, the studied functional and health-related characteristics remained unchanged. Amongst applied AO assays, the DC polarographic one, whose validity was confirmed by two-way ANOVA and F-test, correlated most significantly with oxidative stability (oxidation onset temperature and induction time). In addition, principal component analysis was applied to characterise chocolate types.",
publisher = "University of Zagreb",
journal = "Food Technology and Biotechnology",
title = "Content of Total Phenolics, Flavan-3-Ols and Proanthocyanidins, Oxidative Stability and Antioxidant Capacity of Chocolate During Storage",
pages = "20-13",
number = "1",
volume = "54",
doi = "10.17113/ftb.54.01.16.4014"
}

Laličić-Petronijević, J., Komes, D., Gorjanović, S., Belscak-Cvitanović, A., Pezo, L., Pastor, F. T., Ostojić, S., Popov-Raljić, J.,& Suznjević, D.. (2016). Content of Total Phenolics, Flavan-3-Ols and Proanthocyanidins, Oxidative Stability and Antioxidant Capacity of Chocolate During Storage. in Food Technology and Biotechnology
University of Zagreb., 54(1), 13-20.
https://doi.org/10.17113/ftb.54.01.16.4014

Laličić-Petronijević J, Komes D, Gorjanović S, Belscak-Cvitanović A, Pezo L, Pastor FT, Ostojić S, Popov-Raljić J, Suznjević D. Content of Total Phenolics, Flavan-3-Ols and Proanthocyanidins, Oxidative Stability and Antioxidant Capacity of Chocolate During Storage. in Food Technology and Biotechnology. 2016;54(1):13-20.
doi:10.17113/ftb.54.01.16.4014 .

Laličić-Petronijević, Jovanka, Komes, Draženka, Gorjanović, Stanislava, Belscak-Cvitanović, Ana, Pezo, Lato, Pastor, Ferenc T., Ostojić, Sanja, Popov-Raljić, Jovanka, Suznjević, Desanka, "Content of Total Phenolics, Flavan-3-Ols and Proanthocyanidins, Oxidative Stability and Antioxidant Capacity of Chocolate During Storage" in Food Technology and Biotechnology, 54, no. 1 (2016):13-20,
https://doi.org/10.17113/ftb.54.01.16.4014 . .

TY  - JOUR
AU  - Petrović, Marija
AU  - Suznjević, Desanka
AU  - Pastor, Ferenc T.
AU  - Veljović, Mile
AU  - Pezo, Lato
AU  - Antić, Mališa
AU  - Gorjanović, Stanislava
PY  - 2016
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4140
AB  - Antioxidant (AO) capacity of various medicinal plants extracts and phenolic compounds was assessed by the most widely used spectrophotometric assays such as ferric reducing antioxidant power (FRAP) and scavenging of 2,2-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS) and 2,2-diphenyl-1-picrylhydrazyl (DPPH). In addition, two direct current (DC) polarographic assays, one based on a decrease of anodic current of [Hg(O2H)(OH)]-HydroxoPerhydroxoMercury(II) Complex (HPMC) formation in alkaline solution of H2O2, at the potential of mercury dissolution and another recently developed Mercury Reduction Antioxidant Power (MRAP), based on a a decrease of cathodic current of Hg(II) reduction were employed. Percentage of both currents decrease was plotted versus the volume of gradually added complex samples or the amount of individual ones and the slopes of these plots were used to express AO capacity. Total phenolic content (TPC) of extracts was determined by Folin-Ciocalteu (FC) assay. Correlations between applied assays were calculated by regression analysis. Relative Antioxidant Capacity Index (RACI), calculated by assigning equal weight to all applied assays and Phenolic Antioxidant Coefficients (PAC), calculated as a ratio between particular AO capacity and TPC, were used to achieve more comprehensive comparison between analyzed samples, as well as applied assays.
PB  - Bentham Science Publ Ltd, Sharjah
T2  - Combinatorial Chemistry & High Throughput Screening
T1  - Antioxidant Capacity Determination of Complex Samples and Individual Phenolics - Multilateral Approach
EP  - 65
IS  - 1
SP  - 58
VL  - 19
DO  - 10.2174/1386207318666151102094227
ER  - 

@article{
author = "Petrović, Marija and Suznjević, Desanka and Pastor, Ferenc T. and Veljović, Mile and Pezo, Lato and Antić, Mališa and Gorjanović, Stanislava",
year = "2016",
abstract = "Antioxidant (AO) capacity of various medicinal plants extracts and phenolic compounds was assessed by the most widely used spectrophotometric assays such as ferric reducing antioxidant power (FRAP) and scavenging of 2,2-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS) and 2,2-diphenyl-1-picrylhydrazyl (DPPH). In addition, two direct current (DC) polarographic assays, one based on a decrease of anodic current of [Hg(O2H)(OH)]-HydroxoPerhydroxoMercury(II) Complex (HPMC) formation in alkaline solution of H2O2, at the potential of mercury dissolution and another recently developed Mercury Reduction Antioxidant Power (MRAP), based on a a decrease of cathodic current of Hg(II) reduction were employed. Percentage of both currents decrease was plotted versus the volume of gradually added complex samples or the amount of individual ones and the slopes of these plots were used to express AO capacity. Total phenolic content (TPC) of extracts was determined by Folin-Ciocalteu (FC) assay. Correlations between applied assays were calculated by regression analysis. Relative Antioxidant Capacity Index (RACI), calculated by assigning equal weight to all applied assays and Phenolic Antioxidant Coefficients (PAC), calculated as a ratio between particular AO capacity and TPC, were used to achieve more comprehensive comparison between analyzed samples, as well as applied assays.",
publisher = "Bentham Science Publ Ltd, Sharjah",
journal = "Combinatorial Chemistry & High Throughput Screening",
title = "Antioxidant Capacity Determination of Complex Samples and Individual Phenolics - Multilateral Approach",
pages = "65-58",
number = "1",
volume = "19",
doi = "10.2174/1386207318666151102094227"
}

Petrović, M., Suznjević, D., Pastor, F. T., Veljović, M., Pezo, L., Antić, M.,& Gorjanović, S.. (2016). Antioxidant Capacity Determination of Complex Samples and Individual Phenolics - Multilateral Approach. in Combinatorial Chemistry & High Throughput Screening
Bentham Science Publ Ltd, Sharjah., 19(1), 58-65.
https://doi.org/10.2174/1386207318666151102094227

Petrović M, Suznjević D, Pastor FT, Veljović M, Pezo L, Antić M, Gorjanović S. Antioxidant Capacity Determination of Complex Samples and Individual Phenolics - Multilateral Approach. in Combinatorial Chemistry & High Throughput Screening. 2016;19(1):58-65.
doi:10.2174/1386207318666151102094227 .

Petrović, Marija, Suznjević, Desanka, Pastor, Ferenc T., Veljović, Mile, Pezo, Lato, Antić, Mališa, Gorjanović, Stanislava, "Antioxidant Capacity Determination of Complex Samples and Individual Phenolics - Multilateral Approach" in Combinatorial Chemistry & High Throughput Screening, 19, no. 1 (2016):58-65,
https://doi.org/10.2174/1386207318666151102094227 . .

TY  - JOUR
AU  - Suznjević, Desanka
AU  - Petrović, Marija
AU  - Pastor, Ferenc T.
AU  - Veljović, Mile
AU  - Zlatanović, Snežana
AU  - Antić, Mališa
AU  - Gorjanović, Stanislava
PY  - 2015
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/3843
AB  - Direct current (DC) polarographic antioxidant (AO) HPMC assay based on the decrease of anodic limiting current of [Hg(O2H)(OH)] (HydroxoPerhydroxoMercury(II) Complex-HPMC), formed in alkaline solution of H2O2, at potential of mercury oxidation, occurring upon AO addition, was validated and widely used recently. Here, a novel DC polarographic assay, MRAP (Mercury Reduction Antioxidant Power), based on the decrease of Hg2+ cathodic current with addition of AOs was applied. Percentage of this decrease was plotted versus the amount of various individual phenolics or the volume of medicinal plant extracts, and the slope obtained was used to express AO activity. A high correlation between MRAP and HPMC assays was found for individual compounds (r = 0.974) and real samples (r = 0.968). MRAP was shown to be effective in the determination of AO activity of both synthetic mixtures of individual AOs and real samples containing various AOs. Agreement between the decrease of Hg2+ cathodic current and HPMC anodic current lead to the assumption that Hg2+ reduction causes a decrease in concentration of Hg2+ available for HMPC complex formation, i.e. its anodic current decrease. The validity Of MRAP assay was also confirmed through good correlation with FRAP assay.
PB  - Electrochemical Soc Inc, Pennington
T2  - Journal of the Electrochemical Society
T1  - Reduction of Hg2+ by Individual Phenolics and Complex Samples and Its Application in Polarographic Antioxidant Assay
EP  - H433
IS  - 7
SP  - H428
VL  - 162
DO  - 10.1149/2.0141507jes
ER  - 

@article{
author = "Suznjević, Desanka and Petrović, Marija and Pastor, Ferenc T. and Veljović, Mile and Zlatanović, Snežana and Antić, Mališa and Gorjanović, Stanislava",
year = "2015",
abstract = "Direct current (DC) polarographic antioxidant (AO) HPMC assay based on the decrease of anodic limiting current of [Hg(O2H)(OH)] (HydroxoPerhydroxoMercury(II) Complex-HPMC), formed in alkaline solution of H2O2, at potential of mercury oxidation, occurring upon AO addition, was validated and widely used recently. Here, a novel DC polarographic assay, MRAP (Mercury Reduction Antioxidant Power), based on the decrease of Hg2+ cathodic current with addition of AOs was applied. Percentage of this decrease was plotted versus the amount of various individual phenolics or the volume of medicinal plant extracts, and the slope obtained was used to express AO activity. A high correlation between MRAP and HPMC assays was found for individual compounds (r = 0.974) and real samples (r = 0.968). MRAP was shown to be effective in the determination of AO activity of both synthetic mixtures of individual AOs and real samples containing various AOs. Agreement between the decrease of Hg2+ cathodic current and HPMC anodic current lead to the assumption that Hg2+ reduction causes a decrease in concentration of Hg2+ available for HMPC complex formation, i.e. its anodic current decrease. The validity Of MRAP assay was also confirmed through good correlation with FRAP assay.",
publisher = "Electrochemical Soc Inc, Pennington",
journal = "Journal of the Electrochemical Society",
title = "Reduction of Hg2+ by Individual Phenolics and Complex Samples and Its Application in Polarographic Antioxidant Assay",
pages = "H433-H428",
number = "7",
volume = "162",
doi = "10.1149/2.0141507jes"
}

Suznjević, D., Petrović, M., Pastor, F. T., Veljović, M., Zlatanović, S., Antić, M.,& Gorjanović, S.. (2015). Reduction of Hg2+ by Individual Phenolics and Complex Samples and Its Application in Polarographic Antioxidant Assay. in Journal of the Electrochemical Society
Electrochemical Soc Inc, Pennington., 162(7), H428-H433.
https://doi.org/10.1149/2.0141507jes

Suznjević D, Petrović M, Pastor FT, Veljović M, Zlatanović S, Antić M, Gorjanović S. Reduction of Hg2+ by Individual Phenolics and Complex Samples and Its Application in Polarographic Antioxidant Assay. in Journal of the Electrochemical Society. 2015;162(7):H428-H433.
doi:10.1149/2.0141507jes .

Suznjević, Desanka, Petrović, Marija, Pastor, Ferenc T., Veljović, Mile, Zlatanović, Snežana, Antić, Mališa, Gorjanović, Stanislava, "Reduction of Hg2+ by Individual Phenolics and Complex Samples and Its Application in Polarographic Antioxidant Assay" in Journal of the Electrochemical Society, 162, no. 7 (2015):H428-H433,
https://doi.org/10.1149/2.0141507jes . .

TY  - JOUR
AU  - Gorjanović, Stanislava
AU  - Novaković, Miroslav M.
AU  - Vukosavljević, Predrag
AU  - Pastor, Ferenc T.
AU  - Tešević, Vele
AU  - Sunjević, Desanka Z.
PY  - 2010
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2323
AB  - Total antioxidant (AO) activity of strong alcohol beverages such as wine and plum brandies, whiskeys, herbal and sweet fruit liqueurs have been assessed using a polarographic assay based on hydrogen peroxide scavenging (HPS). Rank of order of total AO activity, expressed as percentage of decrease of anodic oxidation current of hydrogen peroxide, was found analogous with total phenolic content estimated by Folin Ciocalteau (FC) assay and radical scavenging capacity against the stable free radical 1,1-dipheny1-2-picrylhydrazyl (DPPH). Application of the assay for surveying of a quarter century long maturation of plum brandy in oak barrel was demonstrated. In addition, influence of different storage conditions on preservation of AO activity of some herbal liqueurs was surveyed. Wide area of application of this simple, fast, low cost and reliable assay in analysis and quality monitoring of various strong alcohol beverages was confirmed.
PB  - Amer Chemical Soc, Washington
T2  - Journal of Agricultural and Food Chemistry
T1  - Polarographic Assay Based on Hydrogen Peroxide Scavenging in Determination of Antioxidant Activity of Strong Alcohol Beverages
EP  - 8406
IS  - 14
SP  - 8400
VL  - 58
DO  - 10.1021/jf101158j
ER  - 

@article{
author = "Gorjanović, Stanislava and Novaković, Miroslav M. and Vukosavljević, Predrag and Pastor, Ferenc T. and Tešević, Vele and Sunjević, Desanka Z.",
year = "2010",
abstract = "Total antioxidant (AO) activity of strong alcohol beverages such as wine and plum brandies, whiskeys, herbal and sweet fruit liqueurs have been assessed using a polarographic assay based on hydrogen peroxide scavenging (HPS). Rank of order of total AO activity, expressed as percentage of decrease of anodic oxidation current of hydrogen peroxide, was found analogous with total phenolic content estimated by Folin Ciocalteau (FC) assay and radical scavenging capacity against the stable free radical 1,1-dipheny1-2-picrylhydrazyl (DPPH). Application of the assay for surveying of a quarter century long maturation of plum brandy in oak barrel was demonstrated. In addition, influence of different storage conditions on preservation of AO activity of some herbal liqueurs was surveyed. Wide area of application of this simple, fast, low cost and reliable assay in analysis and quality monitoring of various strong alcohol beverages was confirmed.",
publisher = "Amer Chemical Soc, Washington",
journal = "Journal of Agricultural and Food Chemistry",
title = "Polarographic Assay Based on Hydrogen Peroxide Scavenging in Determination of Antioxidant Activity of Strong Alcohol Beverages",
pages = "8406-8400",
number = "14",
volume = "58",
doi = "10.1021/jf101158j"
}

Gorjanović, S., Novaković, M. M., Vukosavljević, P., Pastor, F. T., Tešević, V.,& Sunjević, D. Z.. (2010). Polarographic Assay Based on Hydrogen Peroxide Scavenging in Determination of Antioxidant Activity of Strong Alcohol Beverages. in Journal of Agricultural and Food Chemistry
Amer Chemical Soc, Washington., 58(14), 8400-8406.
https://doi.org/10.1021/jf101158j

Gorjanović S, Novaković MM, Vukosavljević P, Pastor FT, Tešević V, Sunjević DZ. Polarographic Assay Based on Hydrogen Peroxide Scavenging in Determination of Antioxidant Activity of Strong Alcohol Beverages. in Journal of Agricultural and Food Chemistry. 2010;58(14):8400-8406.
doi:10.1021/jf101158j .

Gorjanović, Stanislava, Novaković, Miroslav M., Vukosavljević, Predrag, Pastor, Ferenc T., Tešević, Vele, Sunjević, Desanka Z., "Polarographic Assay Based on Hydrogen Peroxide Scavenging in Determination of Antioxidant Activity of Strong Alcohol Beverages" in Journal of Agricultural and Food Chemistry, 58, no. 14 (2010):8400-8406,
https://doi.org/10.1021/jf101158j . .