This study was aimed to compare the efficiency of silymarin extraction from Silybi mariani fructus using different extraction methods. Maceration, percolation, extraction in a water bath, and ultrasonicassisted extraction have been performed with 60% ethanol. Extracts were analyzed using UV/Vis and HPLC techniques. Our results showed that the highe...

By Sofija Đorđević, Teodora Janković, Milica Mihailović

Due to its high content of phenolics, black chokeberry has been proposed as a health-promoting material, especially use of chokeberry extract as a food or pharmaceuticals. Chokeberry extract was spray-dried using gum Arabic as a carrier. The optimal conditions for the efficient microencapsulation of chokeberry extract using spray-drying technique h...

By Nada Čujić-Nikolić, Nemanja Stanisavljević, Katarina Šavikin, Ana Kalaušević, Viktor Nedović, Dubravka Bigović, Teodora Janković

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

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

In the present study, methanolic extracts of three Veronica species, namely Veronica montana, Veronica beccabunga and Veronica polita, were analyzed for the total iridoids, total phenylethanoids and total phenolics contents. The results showed that iridoid glycosides are the major class of tested secondary metabolites in selected Veronica species. ...

By Jelena Živković, Teodora Janković, Zoran Maksimović

This paper describes the effects of altitude on the content of polyphenolic compounds in the wild berry fruits. Berries are known as a good source of polyphenols, which contribute to the high antioxidant activity. Epidemiological studies have shown a correlation between a high intake of polyphenolic compounds and reduced risk of cardiovascular dise...

By Nada Ćujić, Nebojša Menković, Katarina Šavikin, Slavoljub Tasić, Gordana Zdunić, Teodora Janković, Miodrag Jovančević