Polyphenols are a large group of plant secondary metabolites that can be employed as preservatives, antioxidants, and additives. Flavonoids, as an important group of polyphenols and natural antioxidants, may reduce oxidative stress in cardiovascular and neurodegenerative diseases, diabetes mellitus, asthma, and eye disorders. The objective of the p...

By Rabiea Ashowen Ahmoda, Andrea Pirković, Milena Milošević, Aleksandar Marinković, Aleksandra Jovanović

Vaccinium myrtillus fruits and leaves show significant economic importance due to their application in food, functional food, pharmaceutical, cosmetic, and healthcare products. Bilberry leaves contain valuable components, such as phenolic acids, flavonoids, procyanidins, anthocyanins, fatty acids, and dietary fibers. The mentioned compounds possess...

By Amjed Karkad, Muna Rajab Elferjane, Milena Milošević, Andrea Pirković, Diana Lupulović, Aleksandar Marinković, Aleksandra Jovanović

Risk based approach to assess structural integrity of pressure vessel in process industry is presented, taking into account EU PED 2014/68 and API 581, and using basic fracture mechanics parameters. Failure Assessment Diagram (FAD) is applied to assess likelihood of failure of two spherical storage tanks, one for vinyl chloride monomer (VCM), the o...

By Aleksandar Sedmak, Snežana Kirin, Igor Martić, Tamara Golubović

Amaranth belogs to the group of pseudocereals. This pseudocereal is rich in proteins and does not contain gluten. Therefore, it is suitable for people on a gluten-free diet. In recent years, the number of people suffering from celiac disease or who are allergic to gluten has been increasing every day. The aim of this paper was to examine how the pa...

By Vesna Gojković Cvjetković, Dragana Škuletić, Željka Marjanović-Balaban, Danijela Rajić, Milan Vukic, Milenko Smiljanić, Dragan Vujadinović

Brilliant Green dye is widely used in industries such as paper, textiles, rubber, and plastics, primarily for dyeing wood and silk. However, it poses serious health risks, including toxicity through skin and eye contact, ingestion, and inhalation, which can lead to organ damage if exposure is prolonged. Therefore, the removal of Brilliant Green dye...

By Nevena Ilić, Marija Milić, Slađana Davidović, Miona Miljković, Suzana Dimitrijević-Branković, Katarina Mihajlovski

Conductive polymer composites offer innovative solutions for real-time food quality monitoring by enabling direct interaction with spoilage indicators. In this study, polyaniline (PANI) doped with trifluoromethanesulfonic acid (TFMS) was synthesized via oxidative polymerization and incorporated into biopolymer matrices—polylactide (PLA) and p...

By Ivan Ristić, Marija Krstić, Darko Manjenčić, Senka Popović

The extraction of gallic acid from the pomegranate peel was carried out in a column with a diameter of 40 mm, in which pomegranate peel grains with a diameter of 2 mm were placed in a packed bed. The extraction fluid is recirculated through the system using a centrifugal pump. The fluids used in the extraction are: water, ethanol:water=50:50 and et...

By Darko Jaćimovski, Katarina Šućurović, Dunja Šijaković, Jelena Živković, Katarina Šavikin

This work investigates the process of forming metallic coatings of nickel on copper using electrolytic deposition. By focusing on the optimization of deposition parameters, such as current density, electrolyte temperature and deposition time, high-quality coatings can be achieved in terms of corrosion resistance, strength, adhesion and aesthetic ap...

By Stanko Spasojević, Milena Milovanović, Danijela Jovičić, Stana Stanišić, Zorica Ristić, Marija Mitrović, Bojana Lukić, Milorad Tomić

Occupational Health and Safety (OH&S) and other management systems are crucial in enhancing the operational activities of organizations in regional countries improving their public image and ensuring safety. Despite the evident advantages, the practical implementation and integration of these systems frequently present substantial challenges. T...

By Željko Đurić, Nataša Cvijanović, Mitar Perušić, Duško Kostić, Jelena Vuković, Nebojša Vasiljević

The Plavica deposit is located in the northwestern part of the Zletovo ore field, which belongs to the central part of the Kratovo-Zletovo volcanic area in the Republic of North Macedonia. Two mineralogical-geochemical ore zones have been formed in the deposit: upper one - oxide (secondary) with an Au content of 0.8 to 2 gr/t and lower one - sulfid...

By Goce Zlatkov, Katica Radinska, Sanja Gacova