Biological activities of Sorbus aucuparia L. leaves extract was tested in our study. Antineurodegenerative activity was evaluated by acetylcholinesterase (AChE) and tyrosinase (TYR) inhibitory activity assays while antioxidant activity was by tested using four different assays. In all antioxidant test we noticed concentration dependent activity of ...

By Katarina Šavikin, Gordan Zdunić, Ana Alimpić, Dubravka Bigović, Dejan Pljevljakušić, Sonja Duletić-Laušević

Medicinal plant extracts have a broad antimicrobial activity, including antiviral effects. In our study, eleven dry extracts of ten different medicinal plants prepared with two solvents (5%, dimethyl sulfoxide (DMSO) and 30% ethanol in 5% DMSO) in different concentrations have been examined for anti-norovirus activity. The reduction of norovirus &g...

By Ivana Živković, Katarina Šavikin, Gordana Zdunić, Jelena Živković, Dubravka Bigović, Nebojša Menković, Dragoslav Radin

Different biological activities of Hypericum perforatum L. dry extract was tested in this study. Antioxidant activity was evaluated by four different assays. Antineurodegenerative activity was tested using acetylcholinesterase (AChE) and tyrosinase inhibitory activity assays. In all four antioxidant assays, concentration dependent manner was notice...

By Katarina Šavikin, Ana Alimpić, Gordana Zdunić, Jelena Živković, Teodora Janković, Nebojša Menković, Sonja Duletić-Laušević

During fruit processing, a large amount of solid residues such as seeds, remains underutilized. There is a need to find method for use of these by-products and to convert them into products with significant health, environmental and/or economic benefits. This study provides data about content of lipophilic antioxidants (carotenoids and tocols) and ...

By Jelena Živković, Katarina Šavikin

Potential of anti-age cosmetic line, day and night creams was evaluated using noninvasive measurements of the appropriate skin biophysical parameters in a 24-h in vivo study under occlusion. Thirty one healthy female volunteers were involved in the study. Electrical capacitance (EC), transepidermal water loss (TEWL), erythema index (EI) were evalua...

By Nada Čujić, Ana Žugić, Gordana Zdunić, Katarina Šavikin

Various conventional (maceration and heat-assisted extraction) and new alternative techniques (ultrasound-assisted extraction and microwave-assisted extraction) have been developed for the extraction of polyphenols compounds from different plant sources. Novel procedures have established with the aim to reduce the extraction time and solvent consum...

By Aleksandra Jovanović, Predrag Petrović, Verica Đorđević, Gordana Zdunić, Katarina Šavikin, Branko Bugarski

Nowdays, the use of products based on medicinal herbs (phytopreparates) are in scientific focus, both in prevention or in treatment of various diseases. Herbal products have been recognized as an excellent source of bioactive compounds which have positive effects on human health. Beside teas, as standard herbal products, phytopreparations are much ...

By Nada Ćujić, Svetlana Ibrić, Dubravka Bigović, Nebojša Noveski, Katarina Šavikin

In recent years, drug delivery systems are especially interesting because they allow therapeutic efficiency and reduce side effects. Conjugates of hyaluronic acid and chemotherapeutic agents, especially taxol, have been recognized as excellent solution for many therapeutic indications. The aim of conjugation of taxol with hyaluronic acid was the to...

By Nada Ćujić, Svetlana Ibrić, Dubravka Bigović, Nebojša Noveski, Katarina Šavikin

Veronica officinalis is plant species used in traditional medicine worldwide, but its effects have not been investigated so far. Consequently, the aim of this research was to identify dominant compound in V. officinalis extracts and to determine the effect of ultrasound and extraction temperature on the content of that compound and total phenolic c...

By Biljana Anđelković, Jelena Živković, Katarina Šavikin

Pumpkin has been used frequently as functional food or medicine. In recent years due to numerous pharmacological effects, pumpkin polysaccahrides attract increased attention from researchers. Different investigations showed their antidiabetic, antioxidant, hypolipidemic, antibacterial and antitussive effect. Since most of the studies with pumpkin p...

By Jelena Živković, Katarina Šavikin, Gordana Zdunić, Teodora Janković