Đekić, Ilija

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orcid::0000-0002-8132-8299
  • Đekić, Ilija (5)
Projects

Author's Bibliography

Challenges and potential for detecting and quantifying titanium dioxide in food

Đekić, Ilija; Lević, Steva; Šmigić, Nada; Bouleau, Arthur; Ilijević, Konstantin; Roganović, Jovana; Rakić, Vesna

(2024)

TY  - JOUR
AU  - Đekić, Ilija
AU  - Lević, Steva
AU  - Šmigić, Nada
AU  - Bouleau, Arthur
AU  - Ilijević, Konstantin
AU  - Roganović, Jovana
AU  - Rakić, Vesna
PY  - 2024
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/6459
AB  - Titanium dioxide (TiO2) is banned in some countries but its use is still permitted in others. The global food supply chain is therefore challenged with the need to use rapid and reliable testing methods to either detect the presence of TiO2 or to quantify its concentration. The goal of this study was to determine the feasibility of using color, texture profile analysis, Raman microscopy, and X-ray fluorescence (XRF) spectroscopy to detect and quantify TiO2 in fillings used in the pastry and confectionery industry. In this study, two types of fillings were investigated: vanilla based and chocolate based. All fillings were prepared in four different variations – without TiO2 and with three concentrations as follows: 0.25 g*kg-1, 0.5 g*kg-1, or 0.75 g*kg-1 TiO2 per sample. The methods were selected for their ability to analyze the samples in a short period of time. All of the methods showed moderate to high potential for detecting TiO2 in the samples. The results reveal how TiO2 affects the food matrix color and texture. Use of Raman microscopy confirms its detectability, although concentrations of TiO2 do not follow a pattern. X-ray fluorescence spectroscopy showed the greatest potential as it can not only detect TiO2 but can also quantify its concentration in the samples. The highest potential for quantifying the concentration of this food additive was achieved with XRF.
T2  - Journal of the Science of Food and Agriculture
T1  - Challenges and potential for detecting and quantifying titanium dioxide in food
VL  - n/a
DO  - 10.1002/jsfa.13356
ER  - 
@article{
author = "Đekić, Ilija and Lević, Steva and Šmigić, Nada and Bouleau, Arthur and Ilijević, Konstantin and Roganović, Jovana and Rakić, Vesna",
year = "2024",
abstract = "Titanium dioxide (TiO2) is banned in some countries but its use is still permitted in others. The global food supply chain is therefore challenged with the need to use rapid and reliable testing methods to either detect the presence of TiO2 or to quantify its concentration. The goal of this study was to determine the feasibility of using color, texture profile analysis, Raman microscopy, and X-ray fluorescence (XRF) spectroscopy to detect and quantify TiO2 in fillings used in the pastry and confectionery industry. In this study, two types of fillings were investigated: vanilla based and chocolate based. All fillings were prepared in four different variations – without TiO2 and with three concentrations as follows: 0.25 g*kg-1, 0.5 g*kg-1, or 0.75 g*kg-1 TiO2 per sample. The methods were selected for their ability to analyze the samples in a short period of time. All of the methods showed moderate to high potential for detecting TiO2 in the samples. The results reveal how TiO2 affects the food matrix color and texture. Use of Raman microscopy confirms its detectability, although concentrations of TiO2 do not follow a pattern. X-ray fluorescence spectroscopy showed the greatest potential as it can not only detect TiO2 but can also quantify its concentration in the samples. The highest potential for quantifying the concentration of this food additive was achieved with XRF.",
journal = "Journal of the Science of Food and Agriculture",
title = "Challenges and potential for detecting and quantifying titanium dioxide in food",
volume = "n/a",
doi = "10.1002/jsfa.13356"
}
Đekić, I., Lević, S., Šmigić, N., Bouleau, A., Ilijević, K., Roganović, J.,& Rakić, V.. (2024). Challenges and potential for detecting and quantifying titanium dioxide in food. in Journal of the Science of Food and Agriculture, n/a.
https://doi.org/10.1002/jsfa.13356
Đekić I, Lević S, Šmigić N, Bouleau A, Ilijević K, Roganović J, Rakić V. Challenges and potential for detecting and quantifying titanium dioxide in food. in Journal of the Science of Food and Agriculture. 2024;n/a.
doi:10.1002/jsfa.13356 .
Đekić, Ilija, Lević, Steva, Šmigić, Nada, Bouleau, Arthur, Ilijević, Konstantin, Roganović, Jovana, Rakić, Vesna, "Challenges and potential for detecting and quantifying titanium dioxide in food" in Journal of the Science of Food and Agriculture, n/a (2024),
https://doi.org/10.1002/jsfa.13356 . .

Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties

Miočinović, Jelena; Tomić, Nikola; Dojnov, Biljana; Tomašević, Igor; Stojanović, Sanja; Đekić, Ilija; Vujčić, Zoran

(Wiley, Hoboken, 2018)

TY  - JOUR
AU  - Miočinović, Jelena
AU  - Tomić, Nikola
AU  - Dojnov, Biljana
AU  - Tomašević, Igor
AU  - Stojanović, Sanja
AU  - Đekić, Ilija
AU  - Vujčić, Zoran
PY  - 2018
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/2080
AB  - BACKGROUND: The need to increase the daily intake of dietary fibres opens a new chapter in the research of functional foods enriched with fibres. The potential application of an innovative product - insoluble dietary fibres from triticale in yoghurts - was deployed by characterising their food application and evaluating physico-chemical, rheological and sensory properties and was the aim of this research. RESULTS: Detailed characterisations of these fibres are presented for the first time and showed very good hydration properties, optimal pH ( slightly acidic), optimal chemical composition, high antioxidant capacity which was proven by phenolics contents. Besides, these fibres showed negligible calorific value, with no phytates and high antioxidant capacity, mainly from ferulic acid. Therefore they could be successfully added to yoghurt. Enrichment of yoghurt having different milk fat content (1.5 and 2.8% w/w) with triticale insoluble fibre (1.5% and 3.0% w/w) significantly influenced the syneresis level, its apparent viscosity, yield stress and thixotropic behaviour. The overall sensory quality scores indicated that yoghurt enriched with 1.5% triticale insoluble fibres was recognised as 'excellent' and had enhanced antioxidant activity. CONCLUSIONS: Insoluble triticale fibre could therefore be used as a supplement to produce functional yoghurt. (c) 2017 Society of Chemical Industry
PB  - Wiley, Hoboken
T2  - Journal of the Science of Food and Agriculture
T1  - Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties
VL  - 98
IS  - 4
SP  - 1291
EP  - 1299
DO  - 10.1002/jsfa.8592
ER  - 
@article{
author = "Miočinović, Jelena and Tomić, Nikola and Dojnov, Biljana and Tomašević, Igor and Stojanović, Sanja and Đekić, Ilija and Vujčić, Zoran",
year = "2018",
abstract = "BACKGROUND: The need to increase the daily intake of dietary fibres opens a new chapter in the research of functional foods enriched with fibres. The potential application of an innovative product - insoluble dietary fibres from triticale in yoghurts - was deployed by characterising their food application and evaluating physico-chemical, rheological and sensory properties and was the aim of this research. RESULTS: Detailed characterisations of these fibres are presented for the first time and showed very good hydration properties, optimal pH ( slightly acidic), optimal chemical composition, high antioxidant capacity which was proven by phenolics contents. Besides, these fibres showed negligible calorific value, with no phytates and high antioxidant capacity, mainly from ferulic acid. Therefore they could be successfully added to yoghurt. Enrichment of yoghurt having different milk fat content (1.5 and 2.8% w/w) with triticale insoluble fibre (1.5% and 3.0% w/w) significantly influenced the syneresis level, its apparent viscosity, yield stress and thixotropic behaviour. The overall sensory quality scores indicated that yoghurt enriched with 1.5% triticale insoluble fibres was recognised as 'excellent' and had enhanced antioxidant activity. CONCLUSIONS: Insoluble triticale fibre could therefore be used as a supplement to produce functional yoghurt. (c) 2017 Society of Chemical Industry",
publisher = "Wiley, Hoboken",
journal = "Journal of the Science of Food and Agriculture",
title = "Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties",
volume = "98",
number = "4",
pages = "1291-1299",
doi = "10.1002/jsfa.8592"
}
Miočinović, J., Tomić, N., Dojnov, B., Tomašević, I., Stojanović, S., Đekić, I.,& Vujčić, Z.. (2018). Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties. in Journal of the Science of Food and Agriculture
Wiley, Hoboken., 98(4), 1291-1299.
https://doi.org/10.1002/jsfa.8592
Miočinović J, Tomić N, Dojnov B, Tomašević I, Stojanović S, Đekić I, Vujčić Z. Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties. in Journal of the Science of Food and Agriculture. 2018;98(4):1291-1299.
doi:10.1002/jsfa.8592 .
Miočinović, Jelena, Tomić, Nikola, Dojnov, Biljana, Tomašević, Igor, Stojanović, Sanja, Đekić, Ilija, Vujčić, Zoran, "Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties" in Journal of the Science of Food and Agriculture, 98, no. 4 (2018):1291-1299,
https://doi.org/10.1002/jsfa.8592 . .
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Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties

Miočinović, Jelena; Tomić, Nikola; Dojnov, Biljana; Tomašević, Igor; Stojanović, Sanja; Đekić, Ilija; Vujčić, Zoran

(Wiley, Hoboken, 2018)

TY  - JOUR
AU  - Miočinović, Jelena
AU  - Tomić, Nikola
AU  - Dojnov, Biljana
AU  - Tomašević, Igor
AU  - Stojanović, Sanja
AU  - Đekić, Ilija
AU  - Vujčić, Zoran
PY  - 2018
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3171
AB  - BACKGROUND: The need to increase the daily intake of dietary fibres opens a new chapter in the research of functional foods enriched with fibres. The potential application of an innovative product - insoluble dietary fibres from triticale in yoghurts - was deployed by characterising their food application and evaluating physico-chemical, rheological and sensory properties and was the aim of this research. RESULTS: Detailed characterisations of these fibres are presented for the first time and showed very good hydration properties, optimal pH ( slightly acidic), optimal chemical composition, high antioxidant capacity which was proven by phenolics contents. Besides, these fibres showed negligible calorific value, with no phytates and high antioxidant capacity, mainly from ferulic acid. Therefore they could be successfully added to yoghurt. Enrichment of yoghurt having different milk fat content (1.5 and 2.8% w/w) with triticale insoluble fibre (1.5% and 3.0% w/w) significantly influenced the syneresis level, its apparent viscosity, yield stress and thixotropic behaviour. The overall sensory quality scores indicated that yoghurt enriched with 1.5% triticale insoluble fibres was recognised as 'excellent' and had enhanced antioxidant activity. CONCLUSIONS: Insoluble triticale fibre could therefore be used as a supplement to produce functional yoghurt. (c) 2017 Society of Chemical Industry
PB  - Wiley, Hoboken
T2  - Journal of the Science of Food and Agriculture
T1  - Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties
VL  - 98
IS  - 4
SP  - 1291
EP  - 1299
DO  - 10.1002/jsfa.8592
ER  - 
@article{
author = "Miočinović, Jelena and Tomić, Nikola and Dojnov, Biljana and Tomašević, Igor and Stojanović, Sanja and Đekić, Ilija and Vujčić, Zoran",
year = "2018",
abstract = "BACKGROUND: The need to increase the daily intake of dietary fibres opens a new chapter in the research of functional foods enriched with fibres. The potential application of an innovative product - insoluble dietary fibres from triticale in yoghurts - was deployed by characterising their food application and evaluating physico-chemical, rheological and sensory properties and was the aim of this research. RESULTS: Detailed characterisations of these fibres are presented for the first time and showed very good hydration properties, optimal pH ( slightly acidic), optimal chemical composition, high antioxidant capacity which was proven by phenolics contents. Besides, these fibres showed negligible calorific value, with no phytates and high antioxidant capacity, mainly from ferulic acid. Therefore they could be successfully added to yoghurt. Enrichment of yoghurt having different milk fat content (1.5 and 2.8% w/w) with triticale insoluble fibre (1.5% and 3.0% w/w) significantly influenced the syneresis level, its apparent viscosity, yield stress and thixotropic behaviour. The overall sensory quality scores indicated that yoghurt enriched with 1.5% triticale insoluble fibres was recognised as 'excellent' and had enhanced antioxidant activity. CONCLUSIONS: Insoluble triticale fibre could therefore be used as a supplement to produce functional yoghurt. (c) 2017 Society of Chemical Industry",
publisher = "Wiley, Hoboken",
journal = "Journal of the Science of Food and Agriculture",
title = "Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties",
volume = "98",
number = "4",
pages = "1291-1299",
doi = "10.1002/jsfa.8592"
}
Miočinović, J., Tomić, N., Dojnov, B., Tomašević, I., Stojanović, S., Đekić, I.,& Vujčić, Z.. (2018). Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties. in Journal of the Science of Food and Agriculture
Wiley, Hoboken., 98(4), 1291-1299.
https://doi.org/10.1002/jsfa.8592
Miočinović J, Tomić N, Dojnov B, Tomašević I, Stojanović S, Đekić I, Vujčić Z. Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties. in Journal of the Science of Food and Agriculture. 2018;98(4):1291-1299.
doi:10.1002/jsfa.8592 .
Miočinović, Jelena, Tomić, Nikola, Dojnov, Biljana, Tomašević, Igor, Stojanović, Sanja, Đekić, Ilija, Vujčić, Zoran, "Application of new insoluble dietary fibres from triticale as supplement in yoghurt - effects on physico-chemical, rheological and quality properties" in Journal of the Science of Food and Agriculture, 98, no. 4 (2018):1291-1299,
https://doi.org/10.1002/jsfa.8592 . .
17
11
20
15

Enrichment of yoghurt with insoluble dietary fiber from triticale - A sensory perspective

Tomić, Nikola; Dojnov, Biljana; Miočinović, Jelena; Tomašević, Igor; Smigić, Nada; Đekić, Ilija; Vujčić, Zoran

(Elsevier Science Bv, Amsterdam, 2017)

TY  - JOUR
AU  - Tomić, Nikola
AU  - Dojnov, Biljana
AU  - Miočinović, Jelena
AU  - Tomašević, Igor
AU  - Smigić, Nada
AU  - Đekić, Ilija
AU  - Vujčić, Zoran
PY  - 2017
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/2451
AB  - Fortification of fermented dairy products with insoluble dietary fiber is an interesting way to increase consumers' fiber intake. The objective of this study was to evaluate the sensory characteristics and consumer acceptance of low-fat unsweetened yoghurt, fortified at levels of 15 and 30 g/kg, with insoluble triticale, wheat or oat fibers. The addition of insoluble triticale fiber resulted in yellowish-brown color, grainy flavor, and pronounced sandiness/grittiness of the fortified yoghurts. The products were classified into the 'very good' quality category, despite the lower quality scores given to the 30 g/kg fiber fortified yoghurts, caused primarily by a gritty/sandy texture and some bitterness. Three distinct consumer subgroups were revealed by the clustering analysis, one of which showed a preference for the triticale-yoghurts. Insoluble dietary fiber from triticale showed promising potential to be used as a fortifying ingredient in the production of fiber-enriched fermented dairy products such as yoghurt.
PB  - Elsevier Science Bv, Amsterdam
T2  - LWT -food Science and Technology ( Lebensmittel - Wissenschaft und Technologie)
T1  - Enrichment of yoghurt with insoluble dietary fiber from triticale - A sensory perspective
VL  - 80
SP  - 59
EP  - 66
DO  - 10.1016/j.lwt.2017.02.008
ER  - 
@article{
author = "Tomić, Nikola and Dojnov, Biljana and Miočinović, Jelena and Tomašević, Igor and Smigić, Nada and Đekić, Ilija and Vujčić, Zoran",
year = "2017",
abstract = "Fortification of fermented dairy products with insoluble dietary fiber is an interesting way to increase consumers' fiber intake. The objective of this study was to evaluate the sensory characteristics and consumer acceptance of low-fat unsweetened yoghurt, fortified at levels of 15 and 30 g/kg, with insoluble triticale, wheat or oat fibers. The addition of insoluble triticale fiber resulted in yellowish-brown color, grainy flavor, and pronounced sandiness/grittiness of the fortified yoghurts. The products were classified into the 'very good' quality category, despite the lower quality scores given to the 30 g/kg fiber fortified yoghurts, caused primarily by a gritty/sandy texture and some bitterness. Three distinct consumer subgroups were revealed by the clustering analysis, one of which showed a preference for the triticale-yoghurts. Insoluble dietary fiber from triticale showed promising potential to be used as a fortifying ingredient in the production of fiber-enriched fermented dairy products such as yoghurt.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "LWT -food Science and Technology ( Lebensmittel - Wissenschaft und Technologie)",
title = "Enrichment of yoghurt with insoluble dietary fiber from triticale - A sensory perspective",
volume = "80",
pages = "59-66",
doi = "10.1016/j.lwt.2017.02.008"
}
Tomić, N., Dojnov, B., Miočinović, J., Tomašević, I., Smigić, N., Đekić, I.,& Vujčić, Z.. (2017). Enrichment of yoghurt with insoluble dietary fiber from triticale - A sensory perspective. in LWT -food Science and Technology ( Lebensmittel - Wissenschaft und Technologie)
Elsevier Science Bv, Amsterdam., 80, 59-66.
https://doi.org/10.1016/j.lwt.2017.02.008
Tomić N, Dojnov B, Miočinović J, Tomašević I, Smigić N, Đekić I, Vujčić Z. Enrichment of yoghurt with insoluble dietary fiber from triticale - A sensory perspective. in LWT -food Science and Technology ( Lebensmittel - Wissenschaft und Technologie). 2017;80:59-66.
doi:10.1016/j.lwt.2017.02.008 .
Tomić, Nikola, Dojnov, Biljana, Miočinović, Jelena, Tomašević, Igor, Smigić, Nada, Đekić, Ilija, Vujčić, Zoran, "Enrichment of yoghurt with insoluble dietary fiber from triticale - A sensory perspective" in LWT -food Science and Technology ( Lebensmittel - Wissenschaft und Technologie), 80 (2017):59-66,
https://doi.org/10.1016/j.lwt.2017.02.008 . .
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Enrichment of yoghurt with insoluble dietary fiber from triticale – A sensory perspective

Tomić, Nikola; Dojnov, Biljana; Miočinović, Jelena; Tomašević, Igor; Smigić, Nada; Đekić, Ilija; Vujčić, Zoran

(Elsevier Science Bv, Amsterdam, 2017)

TY  - JOUR
AU  - Tomić, Nikola
AU  - Dojnov, Biljana
AU  - Miočinović, Jelena
AU  - Tomašević, Igor
AU  - Smigić, Nada
AU  - Đekić, Ilija
AU  - Vujčić, Zoran
PY  - 2017
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3091
AB  - Fortification of fermented dairy products with insoluble dietary fiber is an interesting way to increase consumers' fiber intake. The objective of this study was to evaluate the sensory characteristics and consumer acceptance of low-fat unsweetened yoghurt, fortified at levels of 15 and 30 g/kg, with insoluble triticale, wheat or oat fibers. The addition of insoluble triticale fiber resulted in yellowish-brown color, grainy flavor, and pronounced sandiness/grittiness of the fortified yoghurts. The products were classified into the 'very good' quality category, despite the lower quality scores given to the 30 g/kg fiber fortified yoghurts, caused primarily by a gritty/sandy texture and some bitterness. Three distinct consumer subgroups were revealed by the clustering analysis, one of which showed a preference for the triticale-yoghurts. Insoluble dietary fiber from triticale showed promising potential to be used as a fortifying ingredient in the production of fiber-enriched fermented dairy products such as yoghurt.
PB  - Elsevier Science Bv, Amsterdam
T2  - LWT - Food Science and Technology
T1  - Enrichment of yoghurt with insoluble dietary fiber from triticale – A sensory perspective
VL  - 80
SP  - 59
EP  - 66
DO  - 10.1016/j.lwt.2017.02.008
ER  - 
@article{
author = "Tomić, Nikola and Dojnov, Biljana and Miočinović, Jelena and Tomašević, Igor and Smigić, Nada and Đekić, Ilija and Vujčić, Zoran",
year = "2017",
abstract = "Fortification of fermented dairy products with insoluble dietary fiber is an interesting way to increase consumers' fiber intake. The objective of this study was to evaluate the sensory characteristics and consumer acceptance of low-fat unsweetened yoghurt, fortified at levels of 15 and 30 g/kg, with insoluble triticale, wheat or oat fibers. The addition of insoluble triticale fiber resulted in yellowish-brown color, grainy flavor, and pronounced sandiness/grittiness of the fortified yoghurts. The products were classified into the 'very good' quality category, despite the lower quality scores given to the 30 g/kg fiber fortified yoghurts, caused primarily by a gritty/sandy texture and some bitterness. Three distinct consumer subgroups were revealed by the clustering analysis, one of which showed a preference for the triticale-yoghurts. Insoluble dietary fiber from triticale showed promising potential to be used as a fortifying ingredient in the production of fiber-enriched fermented dairy products such as yoghurt.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "LWT - Food Science and Technology",
title = "Enrichment of yoghurt with insoluble dietary fiber from triticale – A sensory perspective",
volume = "80",
pages = "59-66",
doi = "10.1016/j.lwt.2017.02.008"
}
Tomić, N., Dojnov, B., Miočinović, J., Tomašević, I., Smigić, N., Đekić, I.,& Vujčić, Z.. (2017). Enrichment of yoghurt with insoluble dietary fiber from triticale – A sensory perspective. in LWT - Food Science and Technology
Elsevier Science Bv, Amsterdam., 80, 59-66.
https://doi.org/10.1016/j.lwt.2017.02.008
Tomić N, Dojnov B, Miočinović J, Tomašević I, Smigić N, Đekić I, Vujčić Z. Enrichment of yoghurt with insoluble dietary fiber from triticale – A sensory perspective. in LWT - Food Science and Technology. 2017;80:59-66.
doi:10.1016/j.lwt.2017.02.008 .
Tomić, Nikola, Dojnov, Biljana, Miočinović, Jelena, Tomašević, Igor, Smigić, Nada, Đekić, Ilija, Vujčić, Zoran, "Enrichment of yoghurt with insoluble dietary fiber from triticale – A sensory perspective" in LWT - Food Science and Technology, 80 (2017):59-66,
https://doi.org/10.1016/j.lwt.2017.02.008 . .
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