TY  - JOUR
AU  - Gašić, Uroš M.
AU  - Keckes, Silvio
AU  - Dabić Zagorac, Dragana
AU  - Trifković, Jelena
AU  - Milojković-Opsenica, Dušanka
AU  - Natić, Maja
AU  - Tešić, Živoslav Lj.
PY  - 2014
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/1446
AB  - A total of 58 polyfloral honey samples from different regions in Serbia were studied to determine their phenolic profile, total phenolic content and antioxidant capacity. UHPLC-LTQ OrbiTrap MS made possible the identification of 36 compounds: 24 flavonoids, two abscisic acids, and 10 phenolic acids and their derivatives. Quantification was done using 14 available standards. Data on phenolics and abscisic acids allowed the discrimination and classification of honeys in accordance to their geographical origin, using pattern recognition techniques, principal component analysis and partial least squares discriminant analysis. Samples originated from Vojvodina and Zlatibor region were clearly distinguished from those from the rest of Serbia because of the presence of dicaffeoylquinic acid, ellagic acid, caffeic acid phenethyl ester, and chlorogenic acid, among others. A good correlation (r = 0.865) was observed between total phenolic content and radical-scavenging activity. Total phenolic content ranged from 0.03 to 1.39 mg GAE/g and radical scavenging activity ranged from 1.31% to 25.61%. (C) 2013 Elsevier Ltd. All rights reserved.
PB  - Elsevier Sci Ltd, Oxford
T2  - Food Chemistry
T1  - Phenolic profile and antioxidant activity of Serbian polyfloral honeys
VL  - 145
SP  - 599
EP  - 607
DO  - 10.1016/j.foodchem.2013.08.088
ER  - 

@article{
author = "Gašić, Uroš M. and Keckes, Silvio and Dabić Zagorac, Dragana and Trifković, Jelena and Milojković-Opsenica, Dušanka and Natić, Maja and Tešić, Živoslav Lj.",
year = "2014",
abstract = "A total of 58 polyfloral honey samples from different regions in Serbia were studied to determine their phenolic profile, total phenolic content and antioxidant capacity. UHPLC-LTQ OrbiTrap MS made possible the identification of 36 compounds: 24 flavonoids, two abscisic acids, and 10 phenolic acids and their derivatives. Quantification was done using 14 available standards. Data on phenolics and abscisic acids allowed the discrimination and classification of honeys in accordance to their geographical origin, using pattern recognition techniques, principal component analysis and partial least squares discriminant analysis. Samples originated from Vojvodina and Zlatibor region were clearly distinguished from those from the rest of Serbia because of the presence of dicaffeoylquinic acid, ellagic acid, caffeic acid phenethyl ester, and chlorogenic acid, among others. A good correlation (r = 0.865) was observed between total phenolic content and radical-scavenging activity. Total phenolic content ranged from 0.03 to 1.39 mg GAE/g and radical scavenging activity ranged from 1.31% to 25.61%. (C) 2013 Elsevier Ltd. All rights reserved.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Food Chemistry",
title = "Phenolic profile and antioxidant activity of Serbian polyfloral honeys",
volume = "145",
pages = "599-607",
doi = "10.1016/j.foodchem.2013.08.088"
}

Gašić, U. M., Keckes, S., Dabić Zagorac, D., Trifković, J., Milojković-Opsenica, D., Natić, M.,& Tešić, Ž. Lj.. (2014). Phenolic profile and antioxidant activity of Serbian polyfloral honeys. in Food Chemistry
Elsevier Sci Ltd, Oxford., 145, 599-607.
https://doi.org/10.1016/j.foodchem.2013.08.088

Gašić UM, Keckes S, Dabić Zagorac D, Trifković J, Milojković-Opsenica D, Natić M, Tešić ŽL. Phenolic profile and antioxidant activity of Serbian polyfloral honeys. in Food Chemistry. 2014;145:599-607.
doi:10.1016/j.foodchem.2013.08.088 .

Gašić, Uroš M., Keckes, Silvio, Dabić Zagorac, Dragana, Trifković, Jelena, Milojković-Opsenica, Dušanka, Natić, Maja, Tešić, Živoslav Lj., "Phenolic profile and antioxidant activity of Serbian polyfloral honeys" in Food Chemistry, 145 (2014):599-607,
https://doi.org/10.1016/j.foodchem.2013.08.088 . .

TY  - JOUR
AU  - Keckes, Silvio
AU  - Gašić, Uroš M.
AU  - Ćirković-Veličković, Tanja
AU  - Milojković-Opsenica, Dušanka
AU  - Natić, Maja
AU  - Tešić, Živoslav Lj.
PY  - 2013
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/1582
AB  - Polyphenolic profiles of 44 unifloral Serbian honeys were analyzed using ultra-high-performance liquid chromatography (UHPLC) coupled with hybrid mass spectrometer which combines the Linear Trap Quadrupole (LTQ) and OrbiTrap mass analyzer. Rapid UHPLC method was developed in combination with a high sensitivity accurate mass scan and a simultaneous data dependent scan. The honey samples were of different botanical origin: acacia (Robinia pseudoacacia), sunflower (Helianthus annuus), linden (Tilia cordata), basil (Ocimum basilicum), buckwheat (Fagopyrum esculentum), oilseed rape (Brassica napus), and goldenrod (Solidago virgaurea). The presence of 43 compounds, mainly flavonoids, was proven in all honey samples by their characteristic mass spectra and fragmentation pattern. Relatively high amounts of chrysin, pinocembrin and galangin were identified in all honey extracts. p-Coumaric acid was not detected in basil, buckwheat and goldenrod honey extracts. A larger amount of gallic acid (max value 1.45 mg/kg) was found in the sunflower honey, while a larger amount of apigenin (0.97 mg/kg) was determined in the buckwheat honey in comparison with other honeys. The samples were classified according to the botanical origin using pattern recognition technique, Principal Component Analysis (PCA). The LTQ OrbiTrap technique was proven to be reliable for the unambiguous detection of phenolic acids, their derivatives, and flavonoid aglycones based on their molecular masses and fragmentation pattern.
PB  - Elsevier Sci Ltd, Oxford
T2  - Food Chemistry
T1  - The determination of phenolic profiles of Serbian unifloral honeys using ultra-high-performance liquid chromatography/high resolution accurate mass spectrometry
VL  - 138
IS  - 1
SP  - 32
EP  - 40
DO  - 10.1016/j.foodchem.2012.10.025
ER  - 

@article{
author = "Keckes, Silvio and Gašić, Uroš M. and Ćirković-Veličković, Tanja and Milojković-Opsenica, Dušanka and Natić, Maja and Tešić, Živoslav Lj.",
year = "2013",
abstract = "Polyphenolic profiles of 44 unifloral Serbian honeys were analyzed using ultra-high-performance liquid chromatography (UHPLC) coupled with hybrid mass spectrometer which combines the Linear Trap Quadrupole (LTQ) and OrbiTrap mass analyzer. Rapid UHPLC method was developed in combination with a high sensitivity accurate mass scan and a simultaneous data dependent scan. The honey samples were of different botanical origin: acacia (Robinia pseudoacacia), sunflower (Helianthus annuus), linden (Tilia cordata), basil (Ocimum basilicum), buckwheat (Fagopyrum esculentum), oilseed rape (Brassica napus), and goldenrod (Solidago virgaurea). The presence of 43 compounds, mainly flavonoids, was proven in all honey samples by their characteristic mass spectra and fragmentation pattern. Relatively high amounts of chrysin, pinocembrin and galangin were identified in all honey extracts. p-Coumaric acid was not detected in basil, buckwheat and goldenrod honey extracts. A larger amount of gallic acid (max value 1.45 mg/kg) was found in the sunflower honey, while a larger amount of apigenin (0.97 mg/kg) was determined in the buckwheat honey in comparison with other honeys. The samples were classified according to the botanical origin using pattern recognition technique, Principal Component Analysis (PCA). The LTQ OrbiTrap technique was proven to be reliable for the unambiguous detection of phenolic acids, their derivatives, and flavonoid aglycones based on their molecular masses and fragmentation pattern.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Food Chemistry",
title = "The determination of phenolic profiles of Serbian unifloral honeys using ultra-high-performance liquid chromatography/high resolution accurate mass spectrometry",
volume = "138",
number = "1",
pages = "32-40",
doi = "10.1016/j.foodchem.2012.10.025"
}

Keckes, S., Gašić, U. M., Ćirković-Veličković, T., Milojković-Opsenica, D., Natić, M.,& Tešić, Ž. Lj.. (2013). The determination of phenolic profiles of Serbian unifloral honeys using ultra-high-performance liquid chromatography/high resolution accurate mass spectrometry. in Food Chemistry
Elsevier Sci Ltd, Oxford., 138(1), 32-40.
https://doi.org/10.1016/j.foodchem.2012.10.025

Keckes S, Gašić UM, Ćirković-Veličković T, Milojković-Opsenica D, Natić M, Tešić ŽL. The determination of phenolic profiles of Serbian unifloral honeys using ultra-high-performance liquid chromatography/high resolution accurate mass spectrometry. in Food Chemistry. 2013;138(1):32-40.
doi:10.1016/j.foodchem.2012.10.025 .

Keckes, Silvio, Gašić, Uroš M., Ćirković-Veličković, Tanja, Milojković-Opsenica, Dušanka, Natić, Maja, Tešić, Živoslav Lj., "The determination of phenolic profiles of Serbian unifloral honeys using ultra-high-performance liquid chromatography/high resolution accurate mass spectrometry" in Food Chemistry, 138, no. 1 (2013):32-40,
https://doi.org/10.1016/j.foodchem.2012.10.025 . .

TY  - DATA
AU  - Keckes, Silvio
AU  - Gašić, Uroš M.
AU  - Ćirković-Veličković, Tanja
AU  - Milojković-Opsenica, Dušanka
AU  - Natić, Maja
AU  - Tešić, Živoslav Lj.
PY  - 2013
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3552
PB  - Elsevier Sci Ltd, Oxford
T2  - Food Chemistry
T1  - Supplementary data for article: Keckes, S.; Gašić, U. M.; Ćirković-Veličković, T.; Milojković-Opsenica, D.; Natić, M.; Tešić, Ž. L. The Determination of Phenolic Profiles of Serbian Unifloral Honeys Using Ultra-High-Performance Liquid Chromatography/High Resolution Accurate Mass Spectrometry. Food Chemistry 2013, 138 (1), 32–40. https://doi.org/10.1016/j.foodchem.2012.10.025
UR  - https://hdl.handle.net/21.15107/rcub_cherry_3552
ER  - 

@misc{
author = "Keckes, Silvio and Gašić, Uroš M. and Ćirković-Veličković, Tanja and Milojković-Opsenica, Dušanka and Natić, Maja and Tešić, Živoslav Lj.",
year = "2013",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Food Chemistry",
title = "Supplementary data for article: Keckes, S.; Gašić, U. M.; Ćirković-Veličković, T.; Milojković-Opsenica, D.; Natić, M.; Tešić, Ž. L. The Determination of Phenolic Profiles of Serbian Unifloral Honeys Using Ultra-High-Performance Liquid Chromatography/High Resolution Accurate Mass Spectrometry. Food Chemistry 2013, 138 (1), 32–40. https://doi.org/10.1016/j.foodchem.2012.10.025",
url = "https://hdl.handle.net/21.15107/rcub_cherry_3552"
}

Keckes, S., Gašić, U. M., Ćirković-Veličković, T., Milojković-Opsenica, D., Natić, M.,& Tešić, Ž. Lj.. (2013). Supplementary data for article: Keckes, S.; Gašić, U. M.; Ćirković-Veličković, T.; Milojković-Opsenica, D.; Natić, M.; Tešić, Ž. L. The Determination of Phenolic Profiles of Serbian Unifloral Honeys Using Ultra-High-Performance Liquid Chromatography/High Resolution Accurate Mass Spectrometry. Food Chemistry 2013, 138 (1), 32–40. https://doi.org/10.1016/j.foodchem.2012.10.025. in Food Chemistry
Elsevier Sci Ltd, Oxford..
https://hdl.handle.net/21.15107/rcub_cherry_3552

Keckes S, Gašić UM, Ćirković-Veličković T, Milojković-Opsenica D, Natić M, Tešić ŽL. Supplementary data for article: Keckes, S.; Gašić, U. M.; Ćirković-Veličković, T.; Milojković-Opsenica, D.; Natić, M.; Tešić, Ž. L. The Determination of Phenolic Profiles of Serbian Unifloral Honeys Using Ultra-High-Performance Liquid Chromatography/High Resolution Accurate Mass Spectrometry. Food Chemistry 2013, 138 (1), 32–40. https://doi.org/10.1016/j.foodchem.2012.10.025. in Food Chemistry. 2013;.
https://hdl.handle.net/21.15107/rcub_cherry_3552 .

Keckes, Silvio, Gašić, Uroš M., Ćirković-Veličković, Tanja, Milojković-Opsenica, Dušanka, Natić, Maja, Tešić, Živoslav Lj., "Supplementary data for article: Keckes, S.; Gašić, U. M.; Ćirković-Veličković, T.; Milojković-Opsenica, D.; Natić, M.; Tešić, Ž. L. The Determination of Phenolic Profiles of Serbian Unifloral Honeys Using Ultra-High-Performance Liquid Chromatography/High Resolution Accurate Mass Spectrometry. Food Chemistry 2013, 138 (1), 32–40. https://doi.org/10.1016/j.foodchem.2012.10.025" in Food Chemistry (2013),
https://hdl.handle.net/21.15107/rcub_cherry_3552 .