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Aleksandar Ž. Kostić

Aleksandar Ž. Kostić
Faculty of Agriculture, University of Belgrade · Chair of Chemistry and Biochemistry; Institute for Food Technology and Biochemistry.

PhD - Chemistry

About

146
Publications
50,658
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Introduction
Aleksandar Ž. Kostić currently works as Associate Professor at the Chair of Chemistry and Biochemistry; Institute for Food Technology and Biochemistry., Faculty of Agriculture, University of Belgrade. Aleksandar does research in Analytical Chemistry of natural products (pollen, bioactive compounds in plant materials), Food Chemistry and Environmental Chemistry. He currently participates in two national scientific projects.
Additional affiliations
November 2016 - August 2019
Faculty of Agriculture, University of Belgrade
Position
  • Professor (Assistant)
April 2004 - November 2016
Faculty of Agriculture, University of Belgrade
Position
  • Professor (Assistant)
Education
September 1997 - December 2015
University of Belgrade, Faculty of Chemistry
Field of study
  • Chemistry

Publications

Publications (146)
Article
The fatty acid profile, its relation to botanical origin and nutritional characteristics of bee-collected pollen from Serbia was determined. Twenty different fatty acids were detected. Depending on the palynological origin, the fatty acid (FAs) composition varied greatly. Three groups of pollen samples can be differentiated on the basis of Categori...
Article
This study was aimed at investigating the phytochemical composition and antioxidant capacity of rhizomes, above-ground vegetative parts and flowers of three Iris species: Iris humilis, Iris pumila L. and Iris variegata L. UHPLC-Orbitrap MS analysis was used for determination of phytochemical profile. Also, total pigments, phenolics, flavonoids, sol...
Article
The aim of this work was to determine phenolic profile and antioxidant properties of methanolic (MEP) and ethanolic (EEP) extracts of monofloral bee-collected sunflower pollen from Serbia. In total, 37 different polyphenols (19 flavonol glycosides and 18 other polyphenols) were identified by UHPLC/MS-MS Orbitrap analysis. The different phenolic pro...
Article
Full-text available
Pollen is recognized as an excellent dietary supplement for human nutrition, which is why it can be found in different forms on the market (granules, capsules, tablets, pellets, and powders). But, the digestibility of pollen's nutrients is strongly affected by the presence of a pollen shell, which can decrease the bioavailability of nutrients by 50...
Chapter
Apart from traditional medicine use, the fruit of Lycium barbarum L., known as red goji berry or wolfberry, is recognized and consumed as a functional food. Beyond nutritional properties, goji berry exerts many biological activities and health-promoting effects due to wide-range phytochemicals. Rising global popularity and high demand have spread t...
Conference Paper
The aim of 1‐EuSPMF is to introduce recent achievements in the area of phytochemicals and their implementation in medicine and food. Lately, we have witnessed a growing interest of researchers in natural products and their health benefits.
Article
This study aimed to characterize mixtures of goat milk proteins and Agaricus blazei Murrill (ABM) extracts (aqueous, AE and polysaccharides, PE). The mixtures showed stable particles with ζ-potential more negative than -41.1 mV. The addition of AMB extracts to goat milk did not result in a significant particle size change, whereas their addition to...
Chapter
In recent years, there has been a growing interest in the application of nanoemulsions in the food and beverage industries due to their better stability compared with conventional emulsions, higher liquid droplet interface area, optical transparency, and nanoencapsulation of bioactive compounds. Phytocompounds such as phenolic compounds, vitamins,...
Article
Full-text available
The present work determined complete mineral profile of four different types of grains (spelt, soybean, maize, and buckwheat) grown under two growing systems – conventional and organic. The contents of 20 macro-, micro- and trace elements were analysed in the examined grains by inductively coupled plasma-optical emission spectrometry (ICP-OES). In...
Article
Full-text available
The aim of the current research was to determine the content of (potentially) toxic elements and insecticide residues in monofloral sunflower bee-collected pollen. For micro- and trace elements determination Inductively Coupled Plasma Optical Emission (ICP-OES) analytical method was used while insecticide residue content was monitored by applying L...
Research Proposal
Full-text available
Impact of bee products on human health is being a subject of many investigations due to their high bioactivity. Several in vitro and in vivo studies have confirmed that bee products possess strong antioxidant, anti-inflammatory, possible anti-carcinogenic, as well as some additional health promoting properties. As a crossroad among plants, bees and...
Book
Full-text available
Bee Products and Their Applications in the Food and Pharmaceutical Industries focuses on the health benefits of selected bee products by looking more closely at their pharmacological potentials and therapeutic applications in coping with various diseases. The book explores some of these products, such as royal jelly, propolis and bee venom, which i...
Chapter
Full-text available
As a source of different antioxidants, bee pollen can be successfully applied in skin cosmetics production. Due to express both lipophilic and hydrophilic properties (mainly influenced by botanical origin), bee pollen can advance emulsions and improve miscibility/stability in the oil/water system, which is essential for preparing different skin cos...
Article
Full-text available
Athamanta turbith (L.) Brot. is the endemic flowering plant from the Apiaceae family originated from Ðetinja Canyon (Serbia). The aim of this study was to determine the content of selected plant bioactive compounds present in rhizome, vegetative shoot, and inflorescence. Extraction was performed in 80% methanol as a solvent with two different appro...
Article
The human immunodeficiency virus (HIV) is responsible for acquired immune deficiency syndrome (AIDS), one of the major pandemic diseases. Highly active antiretroviral therapy (HAART) is the standard HIV-treatment regimen that usually comprises a combination of three or more antiretroviral drugs. HIV reverse transcriptase inhibitors are the main HAA...
Article
Full-text available
The aim of this study was to examine the quality of real samples of drinking water, collected from the territory of the city of Požega and the surrounding rural areas. An analytical technique of inductively coupled plasma with optical emission spectrometry (ICP-OES) was used to determine the concentrations of macro- and microelements in water sampl...
Article
Product authentication is one of the most important food quality assurances. Considering the importance of consumption of berry fruits with proven health-beneficial properties, high sensory values and rich composition in bioactive substances, the aim of this study was to evaluate a straightforward and simple procedure for the protein fingerprinting...
Article
The current study aimed to phytochemically characterize (including a detailed phenolic profile) two endemic Balkan’s species (Hieracium waldsteinii and Onosma stellulata) and determine their possible application as a source of natural antioxidant and antimicrobial agents. The main phenolic compound in both species (in all examined parts) was chloro...
Article
Full-text available
Goji berries have long been used for their nutritional value and medicinal purposes in Asian countries. In the last two decades, goji berries have become popular around the world and are consumed as a functional food due to wide-range bioactive compounds with health-promoting properties. In addition, they are gaining increased research attention as...
Article
Full-text available
Vegetables are important contributors to a healthy diet, and their adequate daily intake can help prevent some of the major illnesses. The aim of the study was to examine the content of the major and trace elements in selected organically grown (OG) and conventionally grown (CG) vegetables (cabbage, kohlrabi, Brussels sprout, beetroot, carrot, pota...
Conference Paper
Full-text available
The skin is the largest human organ that has multiple roles. Due to its protective role, the skin is continuously exposed to various unfavorable factors, such as UV radiation, adverse climatic conditions, and toxicants. These effects can lead to oxidative stress and the formation of free radicals, which are the main factors for skin disorders such...
Conference Paper
Full-text available
Wild fruits are crucial for people in rural areas and unemployed youths by offering them the possibility to make new food products such as jelly, jam, preserves, marmalade, dry berries, juice, wine, syrup, sauce, and others. Blackthorn (Prunus spunosa L.) is one of the important wild plants with powerful health-promoting properties. It is a bush pl...
Poster
Spring onions are a popular and very common vegetable in the human diet during the early spring months. In the Serbian markets there are an offer of green onion (Allium cepa) and spring garlic (A. sativum), while in better supplied markets the assortment also includes A. ursinum, popularly known as wild garlic, ramsons or bear’s garlic. In this pap...
Article
Full-text available
The aim of this study was to evaluate the content and profile of the phenolic compounds (PCs) and antioxidant properties of field-grown leaves, in vitro leaves and in vitro callus cultures of the blackberry 'Čačanska Bestrna' and blueberry 'Toro'. In vitro shoots of the selected genotypes were grown either on original Murashige and Skoog (MS) mediu...
Poster
Allium species are popular and very common vegetable in the human diet. In addition to giving the smell and taste of food, alliums are well known as plants with potential healing effects. Flavonoids from alliums have been demonstrated to have numerous phytotherapeutic effects on human health. In this paper, the content of total flavonoid in the edi...
Poster
The modern lifestyle imposes the need to discover and introduce foodstuffs that have nutritional and medicinal value into the food chain. The genus Allium includes a great number of species. The most studied species are onion, garlic and leek, for which there is evidence of beneficial effects on human health. Investigation of other, rare grown spec...
Article
Full-text available
“Bee pollen” is pollen collected from flowers by honey bees. It is used by the bees to nourish themselves, mainly by providing royal jelly and brood food, but it is also used for human nutrition. For the latter purpose, it is collected at the hive entrance as pellets that the bees bring to the hive. Bee pollen has diverse bioactivities, and thus ha...
Research Proposal
Full-text available
Dear colleagues, the first article in our Special Issue in Plants (IF= 3.93) has been published. I would like to call you once again to take participation in this SI. All informations about SI can be found on the following link: https://www.mdpi.com/journal/plants/special_issues/biofortification_nutrients Deadline for submission has been extended...
Article
Full-text available
The current study intended to determine, for the first time, phenolic and fatty acid profile, antioxidant and certain nutritional properties of monofloral bee-collected artichoke (Cynara scolymus) pollen. Based on UHPLC-DAD MS-MS analysis the main phenolics in extractable fraction were different flavonol glycosides (in particular Isorhamnetin-3-O-g...
Article
Full-text available
The objective of this study was to determine whether the addition of different pollen powder concentrations (0.5; 1.0 and 1.5 g/100 g) had an influence on techno-functional, textural and sensorial traits of frankfurters. Examining the techno-functional characteristics of pollen, a conclusion was reached that the higher the concentration, the higher...
Article
Full-text available
The aim of this research was phenolics and protein characterization and antioxidant properties evaluation of skimmed thermally treated goat’s milk powder enriched with different concentration of grape pomace seed extract (SE). The dominant phenolics in SE were phenolic acids, flavan–3-ols and procyanidins. Different electrophoretic techniques toget...
Article
Full-text available
Carotenoids represent a large group of mainly red, orange, and yellow natural metabolites mainly involved in regulation of many metabolic processes. Carotenoids are beneficial for human health. Current study describes the importance, chemical composition and functioning of carotenoids. It is well known that carotenoids support pigments acting in li...
Article
The objective of this study was to determine whether the addition of different pollen powder concentrations (0.0, 0.5, 1.0 and 1.5 g/100 g) to frankfurters had an influence on antioxidant potential and oxidative changes during storage, without detrimental effect on the quality of sausages. After cold storage of frankfurters, significant (P < 0.05)...
Conference Paper
Carotenoids play an essential role in human health and they affect the perception of taste and flavour which influence consumer preference. Carrot is one of the most important and consumed vegetables in the world, and a critical source of α-and β-carotene. Commonly grown carrot cultivars (Maestro, Bolero, Natuna and Naval) were obtained from Begeč...
Article
Free access to the article until July 08, 2021 at: https://authors.elsevier.com/a/1d5n2ACeY7wj8 This study evaluated whether inert feed enriched with Lb. paracasei subsp. paracasei BGHN14 may be used as a weaning diet for first feeding pike-perch larvae. Three experimental groups were weaned from the start of exogenous feeding: two groups were give...
Research Proposal
Full-text available
Dear colleagues, as Guest Editor in Plants (IF for 2020 = 2.762) I would like to invite you to take participation in our Special Issue in this journal entitled "Biofortification and Other ModernTechnologies as Tools for Plant-Based FoodImprovement". Any review and research article related to biofortification, encapsulation and other modern technol...
Article
Full-text available
In this study, the chemical profile of bee pollen (BP) and bee bread (BB) samples collected from the same beehive were analyzed by LC-MS/MS (liquid chromatography technique coupled with tandem mass spectrometry), providing the identification of 23 phenolic compounds and 42 free amino acids (FAAs). Rutin was the phenolic compound with the highest ra...
Article
The aim of research was to determine polyphenols bioaccessibility and antioxidant properties of thermally-treated skimmed goat milk enriched with sunflower bee-collected pollen through in vitro digestion. HPLC analysis confirmed that pollen-enriched milk contained flavonols as the main phenolic fraction (80.7-76.2%) followed by phenolic acids (14.2...
Article
The aim of the current study was to determine the content of several primary metabolites: total soluble sugars, starch and lipids, soluble sugars, fatty acids and triacylglycerols profile, and secondary metabolites: total phenolics and flavonoids, in the grains of soybean (Glycine max (L.) Merr.) cultivar ‘Kaća’. Additionally, grain antioxidant pro...
Article
Soybean soaking water whey (SWW) is obtained as the waste of soy milk production and mostly represents an environmental problem. The aim of this study was to assess the content of proteins and content and activity of trypsin inhibitors of fresh SWW, obtained during soy milk production. Two zones of Bowman-Birk trypsin inhibitors (BBI) were detected...
Article
Full-text available
In recent years, studies have often been devoted to the frequent on frequency , motives and consequences of consuming energy drinks by the student population at universities. These studies have been common in many countries. The aim of this study was to identify the patterns of energy drink consumption among college students of the Serbian Universi...
Article
Phenolic compounds and biopotential (antioxidant, cellular antioxidant and cytotoxic activity) of grape pomace (GP) skin, seed, stem and whole GP originating from indigenous red grape variety Prokupac were evaluated. The UHPLC-Orbitrap MS4 analysis showed the presence of 75 phenolic compounds (57 non-anthocyanins and 18 anthocyanins), among which c...
Research Proposal
Full-text available
Dear colleagues, I am pleased to invite you to participate in special issue in Phyton-International Journal of Experimental Botany (IF for 2019= 0.329). Informations about it can be found on the following link: https://www.techscience.com/phyton/special_detail/plant-bioactive Deadline for submission is December 8th 2021. I will be glad if you dec...
Article
Full-text available
COVID-19 has now been declared a pandemic by the World Health Organization (WHO), and people are under quarantine. During quarantine, continuously hearing or reading about the pandemic can have effects on different aspects of people’s lives. One of these very significant effects is on human nutrition. This study aimed to summarize the experiences o...
Article
Full-text available
The aim of this study was to examine nutritional (total lipid, carbohydrate, protein and ash content, fatty acids and protein profile) and techno-functional properties of monofloral bee-collected sunflower pollen (Helianthus annuus L.). The content of water, total protein, carbohydrate, lipid and ash was 24.99, 14.36, 82.01, 1.62 and 2.01 g/100g DW...
Chapter
Crocus sativus is a plant from Iridaceae family that blooms in the autumn and does not grow in the wild. The plant is mostly cultivated because of red flower stigmas that after drying make the highly valued saffron spice with the unique organoleptic attributes, also named as “red gold.” As the synthetic antioxidants became a matter of safety concer...
Article
Full-text available
Water is of vital importance for the survival of humanity as it is widely used in all spheres of society such as household, agriculture, industry, and tourism. Bojana River represents a natural phenomenon due to its dual nature and peculiar characteristics. The aim of this study was to estimate the quality of the water samples collected at the Boja...
Article
Full-text available
The influence of simulated in vitro digestion on antioxidant potential of protein fractions of traditional Serbian white-brined cheeses was investigated. Water-soluble (WSF) and water-insoluble fractions (WINF) of three cow's and three ovine white-brined cheeses were fractionated. Total antioxidant capacity , reducing power and iron (II) chelating...
Article
Herbal drugs are a useful source of different bioactive compounds. Asteraceae species, as the most widespread vascular plants can be used both as food and as medicine due to the great diversity of recorded chemical components – different phenolic compounds, terpenes, carotenoids, vitamins, alkaloids, etc. The Balkan Peninsula is characterized by gr...
Article
Full-text available
The aim of this study was to determine fatty acid and soluble sugar profiles of the grape seed flour originated from non-fermented dried pomace of international and autochthonous grape varieties in order to estimate their potential nutritional value. The grape seed flours were obtained from the grapes harvested in technological maturity. It has bee...
Article
Quinoa is considered to be a “natural functional food” due to a lot of bioactive compounds that are beneficial for human health by helping prevent the risks of different diseases. The aim of this study was to test the health‐promoting characteristics of Puno and Titicaca quinoa seeds grown in Serbia by assessing their phenolic and flavonoid content...
Article
The aim of this study was to investigate the bioaccessibility of pesticide residues in blueberries (commercial and sample from controlled field trial) from Serbia, involving the presence of a complex food matrix and to assess the potential risk to human health. The presence of nine active substances (azoxystrobin, boscalid, fludioxonil, cyprodinil,...
Article
Convolvulus genus is a representative of the family of Convolvulaceae. Convolvulus plants are broadly distributed all over the world and has been used for many centuries as herbal medicine. Convolvulus genus contains various phytochemicals such as flavonoids, alkaloids, carbohydrates, phenolic compounds, mucilage, unsaturated sterols or terpenes, r...
Chapter
Pollen (floral or bee-collected) can be used as a good source of different nutrients including several important biogenic elements (minerals). The aim of this study was to determine content of selected biogenic elements (phosphorous, potassium, sulphur, calcium, magnesium, iron and zinc) in monofloral bee-collected pollen originated from sunflower...
Chapter
Full-text available
The aim of the paper was to produce a functional product and to determine the physico - chemical, microbiological and sensory properties of probiotic beverages produced from different mixtures of cow’s milk and soy milk. The ratios of cow’s milk and soy milk were 100:0%, 25:75%, 50:50%, 75:25% and 0:100%. The samples were fermented with probiotic b...
Chapter
Vegetables play an important role in human nutrition and their importance in diet is determined by its chemical composition. Numerous studies indicate a high degree of contamination of soil and plants produced in certain agro-ecological conditions, especially near urban and industrial areas. Accordingly, toxic and potentially toxic elements (alumin...
Article
Full-text available
The aim of this paper is to determine nutritive, functional, microbiological and sensory properties of probiotic beverages produced from different volume ratios of cow's milk and soy beverage (25:75, 50:50 and 75:25). Pure cow's milk and soy beverage served as control samples. Fermentation was performed at 43 °C by a combined culture consisting of...
Article
Full-text available
Members of the Prosopis genus are native to America, Africa and Asia, and have long been used in traditional medicine. The Prosopis species most commonly used for medicinal purposes are P. africana, P. alba, P. cineraria, P. farcta, P. glandulosa, P. juliflora, P. nigra, P. ruscifolia and P. spicigera, which are highly effective in asthma, birth/po...
Article
Full-text available
Nanotechnology is an emerging field of science, and nanotechnological concepts have been intensively studied for potential applications in the food industry. Nanoparticles (with dimensions ranging from one to several hundred nanometers) have specific characteristics and better functionality, thanks to their size and other physicochemical properties...