Content of bioactive components in small and stone fruits as affected by cultivar specificities and growing conditions, and obtaining biologically valuable products by improved and newly developed technologies

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Content of bioactive components in small and stone fruits as affected by cultivar specificities and growing conditions, and obtaining biologically valuable products by improved and newly developed technologies (en)
Утицај сорте и услова гајења на садржај биоактивних компоненти јагодастог и коштичавог воћа и добијање биолошки вредних производа побољшаним и новим технологијама (sr)
Uticaj sorte i uslova gajenja na sadržaj bioaktivnih komponenti jagodastog i koštičavog voća i dobijanje biološki vrednih proizvoda poboljšanim i novim tehnologijama (sr_RS)
Authors

Publications

Comparative analysis of antioxidant activity of honey of different floral sources using recently developed polarographic and various spectrophotometric assays

Gorjanović, Stanislava Ž.; Alvarez-Suarez, Jose Miguel; Novaković, Miroslav; Pastor, Ferenc T.; Pezo, Lato; Battino, Maurizio; Suznjevic, Desanka Z.

(Academic Press Inc Elsevier Science, San Diego, 2013)

TY  - JOUR
AU  - Gorjanović, Stanislava Ž.
AU  - Alvarez-Suarez, Jose Miguel
AU  - Novaković, Miroslav
AU  - Pastor, Ferenc T.
AU  - Pezo, Lato
AU  - Battino, Maurizio
AU  - Suznjevic, Desanka Z.
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1357
AB  - Hydrogen peroxide scavenging (HPS) activity of honey of different floral sources and its constituents such as predominant honey flavonoids, phenolic acids, amino and organic acids, and carbohydrates have been assessed by direct current (DC) polarographic assay. The assay was based on decrease of anodic current of hydrogen peroxide complex, formed in alkaline solution, at the potential of mercury dissolution. High correlations between honey HPS activity, its total phenolic content (FC-GAE), antioxidant activity measured by four standard methods (DPPH, TEAC, FRAP and ORAC), and also the relative antioxidant capacity index, were obtained. Statistical evaluation by ANOVA and F-test further confirmed the assay validity. The results for individual compounds showed that HPS activity of honey reflects an integrated action of a wide range of constituents, both phenolics and non-phenolics. The polarographic assay applied is a fast, reliable and low cost alternative to spectrophotometric antioxidant assays commonly applied in analysis of honey and can serve as an indicator of honey quality.
PB  - Academic Press Inc Elsevier Science, San Diego
T2  - Journal of Food Composition and Analysis
T1  - Comparative analysis of antioxidant activity of honey of different floral sources using recently developed polarographic and various spectrophotometric assays
VL  - 30
IS  - 1
SP  - 13
EP  - 18
DO  - 10.1016/j.jfca.2012.12.004
ER  - 
@article{
author = "Gorjanović, Stanislava Ž. and Alvarez-Suarez, Jose Miguel and Novaković, Miroslav and Pastor, Ferenc T. and Pezo, Lato and Battino, Maurizio and Suznjevic, Desanka Z.",
year = "2013",
abstract = "Hydrogen peroxide scavenging (HPS) activity of honey of different floral sources and its constituents such as predominant honey flavonoids, phenolic acids, amino and organic acids, and carbohydrates have been assessed by direct current (DC) polarographic assay. The assay was based on decrease of anodic current of hydrogen peroxide complex, formed in alkaline solution, at the potential of mercury dissolution. High correlations between honey HPS activity, its total phenolic content (FC-GAE), antioxidant activity measured by four standard methods (DPPH, TEAC, FRAP and ORAC), and also the relative antioxidant capacity index, were obtained. Statistical evaluation by ANOVA and F-test further confirmed the assay validity. The results for individual compounds showed that HPS activity of honey reflects an integrated action of a wide range of constituents, both phenolics and non-phenolics. The polarographic assay applied is a fast, reliable and low cost alternative to spectrophotometric antioxidant assays commonly applied in analysis of honey and can serve as an indicator of honey quality.",
publisher = "Academic Press Inc Elsevier Science, San Diego",
journal = "Journal of Food Composition and Analysis",
title = "Comparative analysis of antioxidant activity of honey of different floral sources using recently developed polarographic and various spectrophotometric assays",
volume = "30",
number = "1",
pages = "13-18",
doi = "10.1016/j.jfca.2012.12.004"
}
Gorjanović, S. Ž., Alvarez-Suarez, J. M., Novaković, M., Pastor, F. T., Pezo, L., Battino, M.,& Suznjevic, D. Z.. (2013). Comparative analysis of antioxidant activity of honey of different floral sources using recently developed polarographic and various spectrophotometric assays. in Journal of Food Composition and Analysis
Academic Press Inc Elsevier Science, San Diego., 30(1), 13-18.
https://doi.org/10.1016/j.jfca.2012.12.004
Gorjanović SŽ, Alvarez-Suarez JM, Novaković M, Pastor FT, Pezo L, Battino M, Suznjevic DZ. Comparative analysis of antioxidant activity of honey of different floral sources using recently developed polarographic and various spectrophotometric assays. in Journal of Food Composition and Analysis. 2013;30(1):13-18.
doi:10.1016/j.jfca.2012.12.004 .
Gorjanović, Stanislava Ž., Alvarez-Suarez, Jose Miguel, Novaković, Miroslav, Pastor, Ferenc T., Pezo, Lato, Battino, Maurizio, Suznjevic, Desanka Z., "Comparative analysis of antioxidant activity of honey of different floral sources using recently developed polarographic and various spectrophotometric assays" in Journal of Food Composition and Analysis, 30, no. 1 (2013):13-18,
https://doi.org/10.1016/j.jfca.2012.12.004 . .
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Volatile compounds in medlar fruit (Mespilus germanica L.) at two ripening stages

Veličković, Milovan M.; Radivojević, Dragan D.; Oparnica, Čedo Đ.; Nikićević, Ninoslav; Živković, Marijana; Đorđević, Neda O.; Vajs, Vlatka; Tešević, Vele

(Assoc Chemists & Chemical Engineers Of Serbia, Belgrade, 2013)

TY  - JOUR
AU  - Veličković, Milovan M.
AU  - Radivojević, Dragan D.
AU  - Oparnica, Čedo Đ.
AU  - Nikićević, Ninoslav
AU  - Živković, Marijana
AU  - Đorđević, Neda O.
AU  - Vajs, Vlatka
AU  - Tešević, Vele
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1164
AB  - Medlar is the fruit of Mespilus germanica L. in the family of Rosaceae. The fruit can be eaten only if "bletted" (softened by frost or longer storage). The effect of the maturation stages on the volatile compounds of the medlar fruit was investigated during two different stages. Volatile flavour substances were isolated from the minced pulp of unripe and full ripe medlar fruits by simultaneous steam distillation extraction (SDE) with methylene chloride as the extracting solvent. The concentrate was analyzed by GC-FID-MS. Hexanoic and hexadecanoic acids were the predominant acids, hexanal and (E)-2-hexenal were the predominant aldehydes, (Z)-3-hexenol and hexanol were the predominant alcohols, with p-cymene, terpinen-4-ol, and γ-terpinene (the terpenes responsible for the characteristic medlar flavour) being also present. The C6 aliphatic compounds, such as hexanal and (E)-2-hexenal, were observed as the major volatile constituents in the green stage. In contrast, hexanol and (Z)-3-hexenol were the main volatiles in ripe fruits.
AB  - Mušmula (Mespilus germanica L) je voće iz porodice ruža (Rosaceae). Zeleni plodovi mušmule nisu jestivi već treba da ugnile (omekšaju usled mraza ili tokom čuvanja) pre nego što se koriste u ishrani. Efekat procesa sazrevanja na isparljive komponente ploda mušmule ispitivan je u dve različite faze njegove zrelosti. Isparljiva jedinjenja su izolovana iz izmrvljene pulpe nezrelih i zrelih plodova mušmule pomoću simultane destilacije vodenom parom i ekstrakcije metilen-hloridom. Koncentrovani uzorak je analiziran kombinacijom metoda GC-FID-MS. Heksanska i palmitinska kiselina su najzastupljenije kiseline, heksanal i (E)-2-heksenal su najzastupljeniji aldehidi, (Z)-3-heksenol i heksanol su najzastupljeniji alkoholi i p-cimen, terpinen-4-ol i γ-terpinen, terpeni odgovorni za karakterističnu aromu ploda mušmule, takođe su prisutni. C6 alifatična jedinjenja, kao što su heksanal i (E)-2-heksenal su nađeni kao glavne isparljive komponente zelenih mušmula. Za razliku od njih, heksanol, (Z)-3-heksenol su glavne komponente zrelih plodova mušmule.
PB  - Assoc Chemists & Chemical Engineers Of Serbia, Belgrade
T2  - Hemijska industrija
T1  - Volatile compounds in medlar fruit (Mespilus germanica L.) at two ripening stages
T1  - Isparljiva jedinjenja iz ploda mušmule (Mespilus germanica L.) u dve faze zrenja
VL  - 67
IS  - 3
SP  - 437
EP  - 441
DO  - 10.2298/HEMIND120611085V
ER  - 
@article{
author = "Veličković, Milovan M. and Radivojević, Dragan D. and Oparnica, Čedo Đ. and Nikićević, Ninoslav and Živković, Marijana and Đorđević, Neda O. and Vajs, Vlatka and Tešević, Vele",
year = "2013",
abstract = "Medlar is the fruit of Mespilus germanica L. in the family of Rosaceae. The fruit can be eaten only if "bletted" (softened by frost or longer storage). The effect of the maturation stages on the volatile compounds of the medlar fruit was investigated during two different stages. Volatile flavour substances were isolated from the minced pulp of unripe and full ripe medlar fruits by simultaneous steam distillation extraction (SDE) with methylene chloride as the extracting solvent. The concentrate was analyzed by GC-FID-MS. Hexanoic and hexadecanoic acids were the predominant acids, hexanal and (E)-2-hexenal were the predominant aldehydes, (Z)-3-hexenol and hexanol were the predominant alcohols, with p-cymene, terpinen-4-ol, and γ-terpinene (the terpenes responsible for the characteristic medlar flavour) being also present. The C6 aliphatic compounds, such as hexanal and (E)-2-hexenal, were observed as the major volatile constituents in the green stage. In contrast, hexanol and (Z)-3-hexenol were the main volatiles in ripe fruits., Mušmula (Mespilus germanica L) je voće iz porodice ruža (Rosaceae). Zeleni plodovi mušmule nisu jestivi već treba da ugnile (omekšaju usled mraza ili tokom čuvanja) pre nego što se koriste u ishrani. Efekat procesa sazrevanja na isparljive komponente ploda mušmule ispitivan je u dve različite faze njegove zrelosti. Isparljiva jedinjenja su izolovana iz izmrvljene pulpe nezrelih i zrelih plodova mušmule pomoću simultane destilacije vodenom parom i ekstrakcije metilen-hloridom. Koncentrovani uzorak je analiziran kombinacijom metoda GC-FID-MS. Heksanska i palmitinska kiselina su najzastupljenije kiseline, heksanal i (E)-2-heksenal su najzastupljeniji aldehidi, (Z)-3-heksenol i heksanol su najzastupljeniji alkoholi i p-cimen, terpinen-4-ol i γ-terpinen, terpeni odgovorni za karakterističnu aromu ploda mušmule, takođe su prisutni. C6 alifatična jedinjenja, kao što su heksanal i (E)-2-heksenal su nađeni kao glavne isparljive komponente zelenih mušmula. Za razliku od njih, heksanol, (Z)-3-heksenol su glavne komponente zrelih plodova mušmule.",
publisher = "Assoc Chemists & Chemical Engineers Of Serbia, Belgrade",
journal = "Hemijska industrija",
title = "Volatile compounds in medlar fruit (Mespilus germanica L.) at two ripening stages, Isparljiva jedinjenja iz ploda mušmule (Mespilus germanica L.) u dve faze zrenja",
volume = "67",
number = "3",
pages = "437-441",
doi = "10.2298/HEMIND120611085V"
}
Veličković, M. M., Radivojević, D. D., Oparnica, Č. Đ., Nikićević, N., Živković, M., Đorđević, N. O., Vajs, V.,& Tešević, V.. (2013). Volatile compounds in medlar fruit (Mespilus germanica L.) at two ripening stages. in Hemijska industrija
Assoc Chemists & Chemical Engineers Of Serbia, Belgrade., 67(3), 437-441.
https://doi.org/10.2298/HEMIND120611085V
Veličković MM, Radivojević DD, Oparnica ČĐ, Nikićević N, Živković M, Đorđević NO, Vajs V, Tešević V. Volatile compounds in medlar fruit (Mespilus germanica L.) at two ripening stages. in Hemijska industrija. 2013;67(3):437-441.
doi:10.2298/HEMIND120611085V .
Veličković, Milovan M., Radivojević, Dragan D., Oparnica, Čedo Đ., Nikićević, Ninoslav, Živković, Marijana, Đorđević, Neda O., Vajs, Vlatka, Tešević, Vele, "Volatile compounds in medlar fruit (Mespilus germanica L.) at two ripening stages" in Hemijska industrija, 67, no. 3 (2013):437-441,
https://doi.org/10.2298/HEMIND120611085V . .
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Electrochemical versus Spectrophotometric Assessment of Antioxidant Activity of Hop (Humulus lupulus L.) Products and Individual Compounds

Gorjanović, Stanislava; Pastor, Ferenc T.; Vasic, Radica; Novaković, Miroslav; Simonović, Mladen; Milić, Sonja; Suznjevic, Desanka

(American Chemical Society (ACS), 2013)

TY  - JOUR
AU  - Gorjanović, Stanislava
AU  - Pastor, Ferenc T.
AU  - Vasic, Radica
AU  - Novaković, Miroslav
AU  - Simonović, Mladen
AU  - Milić, Sonja
AU  - Suznjevic, Desanka
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1239
AB  - Antioxidant (AO) activity of extracts of hop cones (Serbian domestic varieties) and commercial hop products (Saaz, Spalter, Spalter select, and Magnum pellets) was determined by parallel application of recently developed direct current (DC) polarographic and widely used DPPH assay. Correlations between 2,2-diphenyl-1-picrylhydrazyl radical (DPPH) scavenging and total phenolics (TPC) determined by the Folin-Ciocalteu assay (FC) (0.99), and between H2O2 scavenging,: (HPS) and humulone content (H) determined by conductometric method (0.94), total resins (TR) (0.85), and hop storage index (HIS) (-0.90), were found statistically significant at p  LT  0.05 level while complete lack of HPS correlation with TPC and DPPH was observed. To obtain an insight into differences between results of AO assays applied, activity of individual compounds, prevalent hop phenolics, and bitter acids was determined. By far superior HPS activity of humulone was followed by catechin, quercetin, xanthohumol, lupulone, and rutin. In contrast, DPPH scavenging activity of phenolics (quercetin > catechin > rutin > xantohumol) was found substantially higher than activity of bitter acids. According to ferric reducing antioxidant power (FRAP) and scavenging of 2,2-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS), higher AO activity was ascribed to phenolics, while almost neglecting humulone. Besides reliability, low cost, and an easy-to-handle procedure, an ability to recognize humulone as the major contributor of hop AO activity could allow DC polarographic assay to be applied in analysis of various hop-derived products.
PB  - American Chemical Society (ACS)
T2  - Journal of Agricultural and Food Chemistry
T1  - Electrochemical versus Spectrophotometric Assessment of Antioxidant Activity of Hop (Humulus lupulus L.) Products and Individual Compounds
VL  - 61
IS  - 38
SP  - 9089
EP  - 9096
DO  - 10.1021/jf401718z
ER  - 
@article{
author = "Gorjanović, Stanislava and Pastor, Ferenc T. and Vasic, Radica and Novaković, Miroslav and Simonović, Mladen and Milić, Sonja and Suznjevic, Desanka",
year = "2013",
abstract = "Antioxidant (AO) activity of extracts of hop cones (Serbian domestic varieties) and commercial hop products (Saaz, Spalter, Spalter select, and Magnum pellets) was determined by parallel application of recently developed direct current (DC) polarographic and widely used DPPH assay. Correlations between 2,2-diphenyl-1-picrylhydrazyl radical (DPPH) scavenging and total phenolics (TPC) determined by the Folin-Ciocalteu assay (FC) (0.99), and between H2O2 scavenging,: (HPS) and humulone content (H) determined by conductometric method (0.94), total resins (TR) (0.85), and hop storage index (HIS) (-0.90), were found statistically significant at p  LT  0.05 level while complete lack of HPS correlation with TPC and DPPH was observed. To obtain an insight into differences between results of AO assays applied, activity of individual compounds, prevalent hop phenolics, and bitter acids was determined. By far superior HPS activity of humulone was followed by catechin, quercetin, xanthohumol, lupulone, and rutin. In contrast, DPPH scavenging activity of phenolics (quercetin > catechin > rutin > xantohumol) was found substantially higher than activity of bitter acids. According to ferric reducing antioxidant power (FRAP) and scavenging of 2,2-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS), higher AO activity was ascribed to phenolics, while almost neglecting humulone. Besides reliability, low cost, and an easy-to-handle procedure, an ability to recognize humulone as the major contributor of hop AO activity could allow DC polarographic assay to be applied in analysis of various hop-derived products.",
publisher = "American Chemical Society (ACS)",
journal = "Journal of Agricultural and Food Chemistry",
title = "Electrochemical versus Spectrophotometric Assessment of Antioxidant Activity of Hop (Humulus lupulus L.) Products and Individual Compounds",
volume = "61",
number = "38",
pages = "9089-9096",
doi = "10.1021/jf401718z"
}
Gorjanović, S., Pastor, F. T., Vasic, R., Novaković, M., Simonović, M., Milić, S.,& Suznjevic, D.. (2013). Electrochemical versus Spectrophotometric Assessment of Antioxidant Activity of Hop (Humulus lupulus L.) Products and Individual Compounds. in Journal of Agricultural and Food Chemistry
American Chemical Society (ACS)., 61(38), 9089-9096.
https://doi.org/10.1021/jf401718z
Gorjanović S, Pastor FT, Vasic R, Novaković M, Simonović M, Milić S, Suznjevic D. Electrochemical versus Spectrophotometric Assessment of Antioxidant Activity of Hop (Humulus lupulus L.) Products and Individual Compounds. in Journal of Agricultural and Food Chemistry. 2013;61(38):9089-9096.
doi:10.1021/jf401718z .
Gorjanović, Stanislava, Pastor, Ferenc T., Vasic, Radica, Novaković, Miroslav, Simonović, Mladen, Milić, Sonja, Suznjevic, Desanka, "Electrochemical versus Spectrophotometric Assessment of Antioxidant Activity of Hop (Humulus lupulus L.) Products and Individual Compounds" in Journal of Agricultural and Food Chemistry, 61, no. 38 (2013):9089-9096,
https://doi.org/10.1021/jf401718z . .
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Changes of Hydrogen Peroxide and Radical-Scavenging Activity of Raspberry during Osmotic, Convective, and Freeze-Drying

Novaković, Miroslav; Stevanović, Snežana M.; Gorjanović, Stanislava Ž.; Jovanovic, Predrag M.; Tešević, Vele; Jankovic, Miodrag A.; Suznjevic, Desanka Z.

(Wiley-Blackwell, Malden, 2011)

TY  - JOUR
AU  - Novaković, Miroslav
AU  - Stevanović, Snežana M.
AU  - Gorjanović, Stanislava Ž.
AU  - Jovanovic, Predrag M.
AU  - Tešević, Vele
AU  - Jankovic, Miodrag A.
AU  - Suznjevic, Desanka Z.
PY  - 2011
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/914
AB  - This study was conducted to investigate the influence of different drying treatments on antioxidant (AO) activity and phenolic content of raspberry (Rubus idaeus), cultivar Willamette. Whole raspberry fruits were dried convectively (air-drying), osmotically, and freeze-dried. Acetone-water extracts of fresh and dried raspberries were assessed for total phenolic content by standard Folin-Ciocalteau method. Two AO assays were applied, a recently developed direct current (DC) polarographic assay based on decrease of anodic oxidation current of hydrogen peroxide and widely used radical scavenge against the 1,1-diphenyl-2-picrylhydrazyl (DPPH). Strong correlation has been obtained between both AO assays and total phenolic content. In addition, some individual phenolic compounds present in raspberry have been assessed using DPPH and DC polarographic assay. Comparison and evaluation of drying methods has been based on preservation of AO activity and total phenolic content. Obtained results confirmed superiority of freeze-drying; convective drying caused slight changes while osmotic dehydration showed a significant decrease of phenolic compounds and AO activity. Practical Application Optimization of drying process could be based on surveying of AO activity.
PB  - Wiley-Blackwell, Malden
T2  - Journal of Food Science
T1  - Changes of Hydrogen Peroxide and Radical-Scavenging Activity of Raspberry during Osmotic, Convective, and Freeze-Drying
VL  - 76
IS  - 4
DO  - 10.1111/j.1750-3841.2011.02144.x
ER  - 
@article{
author = "Novaković, Miroslav and Stevanović, Snežana M. and Gorjanović, Stanislava Ž. and Jovanovic, Predrag M. and Tešević, Vele and Jankovic, Miodrag A. and Suznjevic, Desanka Z.",
year = "2011",
abstract = "This study was conducted to investigate the influence of different drying treatments on antioxidant (AO) activity and phenolic content of raspberry (Rubus idaeus), cultivar Willamette. Whole raspberry fruits were dried convectively (air-drying), osmotically, and freeze-dried. Acetone-water extracts of fresh and dried raspberries were assessed for total phenolic content by standard Folin-Ciocalteau method. Two AO assays were applied, a recently developed direct current (DC) polarographic assay based on decrease of anodic oxidation current of hydrogen peroxide and widely used radical scavenge against the 1,1-diphenyl-2-picrylhydrazyl (DPPH). Strong correlation has been obtained between both AO assays and total phenolic content. In addition, some individual phenolic compounds present in raspberry have been assessed using DPPH and DC polarographic assay. Comparison and evaluation of drying methods has been based on preservation of AO activity and total phenolic content. Obtained results confirmed superiority of freeze-drying; convective drying caused slight changes while osmotic dehydration showed a significant decrease of phenolic compounds and AO activity. Practical Application Optimization of drying process could be based on surveying of AO activity.",
publisher = "Wiley-Blackwell, Malden",
journal = "Journal of Food Science",
title = "Changes of Hydrogen Peroxide and Radical-Scavenging Activity of Raspberry during Osmotic, Convective, and Freeze-Drying",
volume = "76",
number = "4",
doi = "10.1111/j.1750-3841.2011.02144.x"
}
Novaković, M., Stevanović, S. M., Gorjanović, S. Ž., Jovanovic, P. M., Tešević, V., Jankovic, M. A.,& Suznjevic, D. Z.. (2011). Changes of Hydrogen Peroxide and Radical-Scavenging Activity of Raspberry during Osmotic, Convective, and Freeze-Drying. in Journal of Food Science
Wiley-Blackwell, Malden., 76(4).
https://doi.org/10.1111/j.1750-3841.2011.02144.x
Novaković M, Stevanović SM, Gorjanović SŽ, Jovanovic PM, Tešević V, Jankovic MA, Suznjevic DZ. Changes of Hydrogen Peroxide and Radical-Scavenging Activity of Raspberry during Osmotic, Convective, and Freeze-Drying. in Journal of Food Science. 2011;76(4).
doi:10.1111/j.1750-3841.2011.02144.x .
Novaković, Miroslav, Stevanović, Snežana M., Gorjanović, Stanislava Ž., Jovanovic, Predrag M., Tešević, Vele, Jankovic, Miodrag A., Suznjevic, Desanka Z., "Changes of Hydrogen Peroxide and Radical-Scavenging Activity of Raspberry during Osmotic, Convective, and Freeze-Drying" in Journal of Food Science, 76, no. 4 (2011),
https://doi.org/10.1111/j.1750-3841.2011.02144.x . .
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Cold-Pressed Pumpkin Seed Oil Antioxidant Activity as Determined by a DC Polarographic Assay Based on Hydrogen Peroxide Scavenge

Gorjanović, Stanislava Ž.; Rabrenovic, Biljana B.; Novaković, Miroslav; Dimic, Etelka B.; Basic, Zorica N.; Suznjevic, Desanka Z.

(Springer, New York, 2011)

TY  - JOUR
AU  - Gorjanović, Stanislava Ž.
AU  - Rabrenovic, Biljana B.
AU  - Novaković, Miroslav
AU  - Dimic, Etelka B.
AU  - Basic, Zorica N.
AU  - Suznjevic, Desanka Z.
PY  - 2011
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/843
AB  - Antioxidant (AO) activity of cold pressed pumpkin (Cucurbita pepo L.) seed oil, produced from three naked and one hulled variety, was assessed using a DC polarographic assay based on a hydrogen peroxide scavenge (HPS). Results are expressed as the decrease of the anodic oxidation current of hydrogen peroxide obtained upon addition of methanolic extract of the investigated oils. Strict correlations of HPS and (1) radical scavenging capacity against the stable free radical 1,1-diphenyl-2-picrylhydrazyl (DPPH) (0.99), (2) the induction period estimated by a Rancimat test (0.99) and (3) total phenolic content estimated by Folin-Ciocalteu (FC) assay (0.99) were obtained. In addition, a significant correlation of HPS and the content of delta-tocopherol (0.87), squalene (0.67) and color CIE a* (-0.89) was found. Based on the results reported, the polarographic assay was found to be suitable for determination of AO activity as an indicator of the quality and oxidative stability of oil.
PB  - Springer, New York
T2  - Journal of the American Oil Chemists Society
T1  - Cold-Pressed Pumpkin Seed Oil Antioxidant Activity as Determined by a DC Polarographic Assay Based on Hydrogen Peroxide Scavenge
VL  - 88
IS  - 12
SP  - 1875
EP  - 1882
DO  - 10.1007/s11746-011-1863-3
ER  - 
@article{
author = "Gorjanović, Stanislava Ž. and Rabrenovic, Biljana B. and Novaković, Miroslav and Dimic, Etelka B. and Basic, Zorica N. and Suznjevic, Desanka Z.",
year = "2011",
abstract = "Antioxidant (AO) activity of cold pressed pumpkin (Cucurbita pepo L.) seed oil, produced from three naked and one hulled variety, was assessed using a DC polarographic assay based on a hydrogen peroxide scavenge (HPS). Results are expressed as the decrease of the anodic oxidation current of hydrogen peroxide obtained upon addition of methanolic extract of the investigated oils. Strict correlations of HPS and (1) radical scavenging capacity against the stable free radical 1,1-diphenyl-2-picrylhydrazyl (DPPH) (0.99), (2) the induction period estimated by a Rancimat test (0.99) and (3) total phenolic content estimated by Folin-Ciocalteu (FC) assay (0.99) were obtained. In addition, a significant correlation of HPS and the content of delta-tocopherol (0.87), squalene (0.67) and color CIE a* (-0.89) was found. Based on the results reported, the polarographic assay was found to be suitable for determination of AO activity as an indicator of the quality and oxidative stability of oil.",
publisher = "Springer, New York",
journal = "Journal of the American Oil Chemists Society",
title = "Cold-Pressed Pumpkin Seed Oil Antioxidant Activity as Determined by a DC Polarographic Assay Based on Hydrogen Peroxide Scavenge",
volume = "88",
number = "12",
pages = "1875-1882",
doi = "10.1007/s11746-011-1863-3"
}
Gorjanović, S. Ž., Rabrenovic, B. B., Novaković, M., Dimic, E. B., Basic, Z. N.,& Suznjevic, D. Z.. (2011). Cold-Pressed Pumpkin Seed Oil Antioxidant Activity as Determined by a DC Polarographic Assay Based on Hydrogen Peroxide Scavenge. in Journal of the American Oil Chemists Society
Springer, New York., 88(12), 1875-1882.
https://doi.org/10.1007/s11746-011-1863-3
Gorjanović SŽ, Rabrenovic BB, Novaković M, Dimic EB, Basic ZN, Suznjevic DZ. Cold-Pressed Pumpkin Seed Oil Antioxidant Activity as Determined by a DC Polarographic Assay Based on Hydrogen Peroxide Scavenge. in Journal of the American Oil Chemists Society. 2011;88(12):1875-1882.
doi:10.1007/s11746-011-1863-3 .
Gorjanović, Stanislava Ž., Rabrenovic, Biljana B., Novaković, Miroslav, Dimic, Etelka B., Basic, Zorica N., Suznjevic, Desanka Z., "Cold-Pressed Pumpkin Seed Oil Antioxidant Activity as Determined by a DC Polarographic Assay Based on Hydrogen Peroxide Scavenge" in Journal of the American Oil Chemists Society, 88, no. 12 (2011):1875-1882,
https://doi.org/10.1007/s11746-011-1863-3 . .
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